diff --git a/apps/.i18n/native-source.json b/apps/.i18n/native-source.json
index a74331c68e05..cc0da61335f8 100644
--- a/apps/.i18n/native-source.json
+++ b/apps/.i18n/native-source.json
@@ -155,7 +155,7 @@
     },
     {
       "kind": "ui-state-text",
-      "line": 180,
+      "line": 182,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/MainViewModel.kt",
       "source": "Searching…",
       "surface": "android",
@@ -163,7 +163,7 @@
     },
     {
       "kind": "ui-state-text",
-      "line": 283,
+      "line": 285,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/MainViewModel.kt",
       "source": "Mic off",
       "surface": "android",
@@ -171,7 +171,7 @@
     },
     {
       "kind": "ui-state-text",
-      "line": 297,
+      "line": 299,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/MainViewModel.kt",
       "source": "Off",
       "surface": "android",
@@ -475,7 +475,7 @@
     },
     {
       "kind": "conditional-branch",
-      "line": 47,
+      "line": 45,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/CanvasSettingsScreen.kt",
       "source": "Home canvas",
       "surface": "android",
@@ -483,7 +483,7 @@
     },
     {
       "kind": "conditional-branch",
-      "line": 47,
+      "line": 45,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/CanvasSettingsScreen.kt",
       "source": "Live page",
       "surface": "android",
@@ -491,7 +491,7 @@
     },
     {
       "kind": "ui-named-argument",
-      "line": 58,
+      "line": 56,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/CanvasSettingsScreen.kt",
       "source": "Canvas",
       "surface": "android",
@@ -499,7 +499,7 @@
     },
     {
       "kind": "ui-named-argument",
-      "line": 59,
+      "line": 57,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/CanvasSettingsScreen.kt",
       "source": "Current screen output and interactive app surface.",
       "surface": "android",
@@ -507,7 +507,7 @@
     },
     {
       "kind": "conditional-branch",
-      "line": 66,
+      "line": 64,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/CanvasSettingsScreen.kt",
       "source": "Offline",
       "surface": "android",
@@ -515,7 +515,7 @@
     },
     {
       "kind": "conditional-branch",
-      "line": 66,
+      "line": 64,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/CanvasSettingsScreen.kt",
       "source": "Online",
       "surface": "android",
@@ -523,7 +523,7 @@
     },
     {
       "kind": "conditional-branch",
-      "line": 68,
+      "line": 66,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/CanvasSettingsScreen.kt",
       "source": "Ready",
       "surface": "android",
@@ -531,7 +531,7 @@
     },
     {
       "kind": "conditional-branch",
-      "line": 68,
+      "line": 66,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/CanvasSettingsScreen.kt",
       "source": "Standby",
       "surface": "android",
@@ -539,7 +539,7 @@
     },
     {
       "kind": "conditional-branch",
-      "line": 73,
+      "line": 71,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/CanvasSettingsScreen.kt",
       "source": "Refresh Screen",
       "surface": "android",
@@ -547,23 +547,31 @@
     },
     {
       "kind": "conditional-branch",
-      "line": 73,
+      "line": 71,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/CanvasSettingsScreen.kt",
       "source": "Refreshing",
       "surface": "android",
       "id": "native.android.2a870631873082b6"
     },
     {
-      "kind": "ui-named-argument",
-      "line": 79,
+      "kind": "conditional-branch",
+      "line": 77,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/CanvasSettingsScreen.kt",
-      "source": "Reconnect",
+      "source": "Open Screen",
       "surface": "android",
-      "id": "native.android.ec3669686494575b"
+      "id": "native.android.7b8f4a7869855aea"
     },
     {
       "kind": "conditional-branch",
-      "line": 130,
+      "line": 77,
+      "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/CanvasSettingsScreen.kt",
+      "source": "Reconnect",
+      "surface": "android",
+      "id": "native.android.0e24c627e6384ecc"
+    },
+    {
+      "kind": "conditional-branch",
+      "line": 122,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/CanvasSettingsScreen.kt",
       "source": "Connect the gateway",
       "surface": "android",
@@ -571,7 +579,7 @@
     },
     {
       "kind": "conditional-branch",
-      "line": 130,
+      "line": 122,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/CanvasSettingsScreen.kt",
       "source": "Screen surface ready",
       "surface": "android",
@@ -579,20 +587,20 @@
     },
     {
       "kind": "conditional-branch",
-      "line": 136,
-      "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/CanvasSettingsScreen.kt",
-      "source": "Canvas output appears here when OpenClaw opens an app surface.",
-      "surface": "android",
-      "id": "native.android.53dcd29a9bdd99c0"
-    },
-    {
-      "kind": "conditional-branch",
-      "line": 136,
+      "line": 128,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/CanvasSettingsScreen.kt",
       "source": "Canvas output needs an active gateway connection.",
       "surface": "android",
       "id": "native.android.3b37959b1d369a28"
     },
+    {
+      "kind": "conditional-branch",
+      "line": 128,
+      "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/CanvasSettingsScreen.kt",
+      "source": "Open the current Canvas surface to inspect or interact with it.",
+      "surface": "android",
+      "id": "native.android.cd92e0961b0bf500"
+    },
     {
       "kind": "ui-named-argument",
       "line": 47,
@@ -4371,7 +4379,15 @@
     },
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       "kind": "ui-named-argument",
-      "line": 438,
+      "line": 345,
+      "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/ShellScreen.kt",
+      "source": "Close Canvas",
+      "surface": "android",
+      "id": "native.android.30d8b822fa68d6c4"
+    },
+    {
+      "kind": "ui-named-argument",
+      "line": 488,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/ShellScreen.kt",
       "source": "Overview",
       "surface": "android",
@@ -4379,7 +4395,7 @@
     },
     {
       "kind": "ui-named-argument",
-      "line": 483,
+      "line": 533,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/ShellScreen.kt",
       "source": "No recent sessions",
       "surface": "android",
@@ -4387,7 +4403,7 @@
     },
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       "kind": "ui-named-argument",
-      "line": 484,
+      "line": 534,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/ShellScreen.kt",
       "source": "Start a chat and your active OpenClaw conversations will appear here.",
       "surface": "android",
@@ -4395,7 +4411,7 @@
     },
     {
       "kind": "ui-named-argument",
-      "line": 485,
+      "line": 535,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/ShellScreen.kt",
       "source": "Start Chat",
       "surface": "android",
@@ -4403,7 +4419,7 @@
     },
     {
       "kind": "ui-named-argument",
-      "line": 531,
+      "line": 581,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/ShellScreen.kt",
       "source": "OpenClaw",
       "surface": "android",
@@ -4411,7 +4427,7 @@
     },
     {
       "kind": "ui-named-argument",
-      "line": 539,
+      "line": 589,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/ShellScreen.kt",
       "source": "Search",
       "surface": "android",
@@ -4419,7 +4435,7 @@
     },
     {
       "kind": "ui-named-argument",
-      "line": 591,
+      "line": 641,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/ShellScreen.kt",
       "source": "ACTIVE AGENT",
       "surface": "android",
@@ -4427,7 +4443,7 @@
     },
     {
       "kind": "ui-named-argument",
-      "line": 600,
+      "line": 650,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/ShellScreen.kt",
       "source": "View",
       "surface": "android",
@@ -4435,7 +4451,7 @@
     },
     {
       "kind": "conditional-branch",
-      "line": 603,
+      "line": 653,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/ShellScreen.kt",
       "source": "$pendingRunCount active",
       "surface": "android",
@@ -4443,7 +4459,7 @@
     },
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       "kind": "conditional-branch",
-      "line": 603,
+      "line": 653,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/ShellScreen.kt",
       "source": "Idle",
       "surface": "android",
@@ -4451,7 +4467,7 @@
     },
     {
       "kind": "ui-named-argument",
-      "line": 603,
+      "line": 653,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/ShellScreen.kt",
       "source": "Runs",
       "surface": "android",
@@ -4459,7 +4475,7 @@
     },
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       "kind": "conditional-branch",
-      "line": 604,
+      "line": 654,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/ShellScreen.kt",
       "source": "$sessionCount recent",
       "surface": "android",
@@ -4467,7 +4483,7 @@
     },
     {
       "kind": "ui-named-argument",
-      "line": 604,
+      "line": 654,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/ShellScreen.kt",
       "source": "Sessions",
       "surface": "android",
@@ -4475,7 +4491,7 @@
     },
     {
       "kind": "ui-named-argument",
-      "line": 605,
+      "line": 655,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/ShellScreen.kt",
       "source": "Cron",
       "surface": "android",
@@ -4483,7 +4499,7 @@
     },
     {
       "kind": "ui-named-argument",
-      "line": 608,
+      "line": 658,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/ShellScreen.kt",
       "source": "Chat",
       "surface": "android",
@@ -4491,7 +4507,7 @@
     },
     {
       "kind": "ui-named-argument",
-      "line": 612,
+      "line": 662,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/ShellScreen.kt",
       "source": "Reconnect gateway",
       "surface": "android",
@@ -4499,7 +4515,7 @@
     },
     {
       "kind": "ui-named-argument",
-      "line": 760,
+      "line": 810,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/ShellScreen.kt",
       "source": "Open ${card.title}",
       "surface": "android",
@@ -4507,7 +4523,7 @@
     },
     {
       "kind": "ui-named-argument",
-      "line": 828,
+      "line": 878,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/ShellScreen.kt",
       "source": "Talk",
       "surface": "android",
@@ -4515,7 +4531,7 @@
     },
     {
       "kind": "ui-named-argument",
-      "line": 829,
+      "line": 879,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/ShellScreen.kt",
       "source": "Open Talk",
       "surface": "android",
@@ -4523,7 +4539,7 @@
     },
     {
       "kind": "ui-named-argument",
-      "line": 831,
+      "line": 881,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/ShellScreen.kt",
       "source": "Talk settings",
       "surface": "android",
@@ -4531,7 +4547,7 @@
     },
     {
       "kind": "ui-named-argument",
-      "line": 839,
+      "line": 889,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/ShellScreen.kt",
       "source": "Recent Sessions",
       "surface": "android",
@@ -4539,7 +4555,7 @@
     },
     {
       "kind": "ui-named-argument",
-      "line": 849,
+      "line": 899,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/ShellScreen.kt",
       "source": "View all",
       "surface": "android",
@@ -4547,7 +4563,7 @@
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-      "line": 988,
+      "line": 1038,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/ShellScreen.kt",
       "source": "$onlineNodes/$nodeCount",
       "surface": "android",
@@ -4555,7 +4571,7 @@
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@@ -4563,7 +4579,7 @@
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@@ -4571,7 +4587,7 @@
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-      "line": 1027,
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       "surface": "android",
@@ -4579,7 +4595,7 @@
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@@ -4587,7 +4603,7 @@
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-      "line": 1079,
+      "line": 1129,
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       "surface": "android",
@@ -4595,7 +4611,7 @@
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-      "line": 1200,
+      "line": 1250,
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       "source": "Needs attention",
       "surface": "android",
@@ -4603,7 +4619,7 @@
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-      "line": 1265,
+      "line": 1315,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/ShellScreen.kt",
       "source": "Open ${row.title}",
       "surface": "android",
@@ -4611,7 +4627,7 @@
     },
     {
       "kind": "ui-named-argument",
-      "line": 1373,
+      "line": 1423,
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       "source": "Open session",
       "surface": "android",
@@ -4619,7 +4635,7 @@
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+      "line": 1538,
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       "source": "Back",
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@@ -4627,7 +4643,7 @@
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+      "line": 1541,
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       "surface": "android",
@@ -4635,7 +4651,7 @@
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@@ -4643,7 +4659,7 @@
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@@ -4651,7 +4667,7 @@
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@@ -4659,7 +4675,7 @@
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@@ -4667,7 +4683,7 @@
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@@ -4675,7 +4691,7 @@
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@@ -4683,7 +4699,7 @@
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@@ -4691,7 +4707,7 @@
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@@ -4699,7 +4715,7 @@
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@@ -4707,7 +4723,7 @@
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@@ -4723,7 +4739,7 @@
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@@ -4747,7 +4763,7 @@
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@@ -4755,7 +4771,7 @@
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@@ -4763,7 +4779,7 @@
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@@ -4771,7 +4787,7 @@
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@@ -4779,7 +4795,7 @@
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@@ -4787,7 +4803,7 @@
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@@ -4795,7 +4811,7 @@
     },
     {
       "kind": "conditional-branch",
-      "line": 1648,
+      "line": 1698,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/ShellScreen.kt",
       "source": "1 held",
       "surface": "android",
@@ -4803,7 +4819,7 @@
     },
     {
       "kind": "conditional-branch",
-      "line": 1649,
+      "line": 1699,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/ShellScreen.kt",
       "source": "$applied applied",
       "surface": "android",
@@ -4811,7 +4827,7 @@
     },
     {
       "kind": "conditional-branch",
-      "line": 1649,
+      "line": 1699,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/ShellScreen.kt",
       "source": "1 applied",
       "surface": "android",
@@ -4819,7 +4835,7 @@
     },
     {
       "kind": "ui-named-argument",
-      "line": 1830,
+      "line": 1880,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/ShellScreen.kt",
       "source": "OpenClaw mobile",
       "surface": "android",
@@ -4827,7 +4843,7 @@
     },
     {
       "kind": "ui-named-argument",
-      "line": 1834,
+      "line": 1884,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/ShellScreen.kt",
       "source": "Open profile",
       "surface": "android",
@@ -4835,7 +4851,7 @@
     },
     {
       "kind": "conditional-branch",
-      "line": 1919,
+      "line": 1969,
       "path": "apps/android/app/src/main/java/ai/openclaw/app/ui/ShellScreen.kt",
       "source": "Main session",
       "surface": "android",
diff --git a/apps/android/app/build.gradle.kts b/apps/android/app/build.gradle.kts
index 73be1f4ff133..72708e516057 100644
--- a/apps/android/app/build.gradle.kts
+++ b/apps/android/app/build.gradle.kts
@@ -88,6 +88,7 @@ android {
     applicationId = "ai.openclaw.app"
     minSdk = 31
     targetSdk = 36
+    testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
     versionCode = openClawAndroidVersionCode
     versionName = openClawAndroidVersionName
     ndk {
@@ -289,6 +290,10 @@ dependencies {
   testImplementation(libs.mockwebserver)
   testImplementation(libs.robolectric)
   testRuntimeOnly(libs.junit.vintage.engine)
+
+  androidTestImplementation(libs.androidx.test.ext.junit)
+  androidTestImplementation(libs.androidx.test.runner)
+  androidTestImplementation(libs.androidx.uiautomator)
 }
 
 tasks.withType<Test>().configureEach {
diff --git a/apps/android/app/src/androidTest/java/ai/openclaw/app/ui/CanvasHostLifecycleTest.kt b/apps/android/app/src/androidTest/java/ai/openclaw/app/ui/CanvasHostLifecycleTest.kt
new file mode 100644
index 000000000000..f27c8a824641
--- /dev/null
+++ b/apps/android/app/src/androidTest/java/ai/openclaw/app/ui/CanvasHostLifecycleTest.kt
@@ -0,0 +1,203 @@
+package ai.openclaw.app.ui
+
+import ai.openclaw.app.node.CanvasController
+import android.content.pm.ActivityInfo
+import android.os.SystemClock
+import android.view.View
+import androidx.test.core.app.ActivityScenario
+import androidx.test.ext.junit.rules.ActivityScenarioRule
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.uiautomator.UiDevice
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertNotEquals
+import org.junit.Assert.assertNotNull
+import org.junit.Assert.assertNull
+import org.junit.Assert.assertTrue
+import org.junit.Before
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+class CanvasHostLifecycleTest {
+  @get:Rule
+  val activityRule = ActivityScenarioRule(CanvasLifecycleTestActivity::class.java)
+
+  @Before
+  fun resetMetrics() {
+    CanvasLifecycleTestMetrics.reset()
+  }
+
+  @Test
+  fun hiddenHostRetainsOneWebViewWithoutBlockingShellInput() {
+    activityRule.scenario.onActivity { activity ->
+      assertEquals(CanvasController.PresentationState.Unmounted, activity.controller.presentationState.value)
+      assertNull(activity.host)
+    }
+
+    val presentElapsedMs = activityRule.scenario.readActivity { activity -> activity.presentSlowPage() }
+
+    assertTrue(
+      "present waited for the remote page: ${presentElapsedMs}ms",
+      presentElapsedMs < canvasLifecycleSlowPageDelayMs / 2,
+    )
+    assertTrue("slow page never finished", activityRule.scenario.waitForPageFinished())
+
+    val firstWebView =
+      activityRule.scenario.readActivity { activity ->
+        val host = checkNotNull(activity.host)
+        assertEquals(1, host.childCount)
+        assertEquals(CanvasController.PresentationState.Visible, activity.controller.presentationState.value)
+        val webView = checkNotNull(activity.currentWebView())
+        activity.hideCanvas()
+        assertEquals(CanvasController.PresentationState.Hidden, activity.controller.presentationState.value)
+        webView
+      }
+    assertTrue(
+      "hidden host remained visible",
+      activityRule.scenario.waitUntilActivity { activity -> activity.host?.visibility == View.INVISIBLE },
+    )
+
+    val device = UiDevice.getInstance(InstrumentationRegistry.getInstrumentation())
+    assertTrue(device.click(device.displayWidth / 2, device.displayHeight / 2))
+    device.waitForIdle()
+
+    activityRule.scenario.onActivity { activity ->
+      assertEquals(1, activity.underlayClickCount)
+      repeat(3) {
+        activity.presentFastPage()
+        activity.hideCanvas()
+      }
+      assertEquals(1, activity.host?.childCount)
+      assertTrue(firstWebView === activity.currentWebView())
+    }
+  }
+
+  @Test
+  fun stalePageCompletionCannotReshowCanvasAfterHide() {
+    activityRule.scenario.onActivity { activity -> activity.presentSlowPage() }
+    assertTrue(
+      "Canvas host was not attached",
+      activityRule.scenario.waitUntilActivity { activity -> activity.currentWebView() != null },
+    )
+    activityRule.scenario.onActivity { activity -> activity.hideCanvas() }
+    assertTrue(
+      "hidden host remained visible",
+      activityRule.scenario.waitUntilActivity { activity -> activity.host?.visibility == View.INVISIBLE },
+    )
+
+    assertTrue("slow page never finished", activityRule.scenario.waitForPageFinished())
+    activityRule.scenario.onActivity { activity ->
+      assertEquals(CanvasController.PresentationState.Hidden, activity.controller.presentationState.value)
+      assertEquals(View.INVISIBLE, checkNotNull(activity.host).visibility)
+      assertNotNull(activity.currentWebView())
+    }
+  }
+
+  @Test
+  fun rendererTerminationForgetsFailedPageAndNextShowRecreatesIt() {
+    activityRule.scenario.onActivity { activity -> activity.presentFastPage() }
+    assertTrue("initial page never finished", activityRule.scenario.waitForPageFinished())
+
+    val firstWebView =
+      activityRule.scenario.readActivity { activity ->
+        assertNotNull(activity.controller.currentUrl())
+        checkNotNull(activity.currentWebView())
+      }
+    val terminated =
+      activityRule.scenario.readActivity { activity ->
+        activity.currentWebView()?.webViewRenderProcess?.terminate() == true
+      }
+    assertTrue("WebView renderer did not terminate", terminated)
+    assertTrue(
+      "renderer loss did not clear the invalid WebView",
+      activityRule.scenario.waitUntilActivity { activity -> activity.currentWebView() == null },
+    )
+
+    activityRule.scenario.onActivity { activity ->
+      assertEquals(CanvasController.PresentationState.Hidden, activity.controller.presentationState.value)
+      assertNull(activity.controller.currentUrl())
+      assertEquals(0, activity.host?.childCount)
+      activity.showCanvas()
+    }
+    assertTrue(
+      "next show did not create a replacement WebView",
+      activityRule.scenario.waitUntilActivity { activity -> activity.currentWebView() != null },
+    )
+    assertTrue("replacement scaffold never finished", activityRule.scenario.waitForPageFinished())
+    activityRule.scenario.onActivity { activity ->
+      assertEquals(CanvasController.PresentationState.Visible, activity.controller.presentationState.value)
+      assertEquals(1, activity.host?.childCount)
+      assertNotEquals(firstWebView, activity.currentWebView())
+    }
+  }
+
+  @Test
+  fun configurationChangesKeepTheSameHostAndWebView() {
+    activityRule.scenario.onActivity { activity -> activity.presentFastPage() }
+    assertTrue("initial page never finished", activityRule.scenario.waitForPageFinished())
+    val firstHost = activityRule.scenario.readActivity { activity -> checkNotNull(activity.host) }
+    val firstWebView = activityRule.scenario.readActivity { activity -> checkNotNull(activity.currentWebView()) }
+
+    activityRule.scenario.onActivity { activity ->
+      activity.requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE
+    }
+    UiDevice.getInstance(InstrumentationRegistry.getInstrumentation()).waitForIdle()
+
+    activityRule.scenario.onActivity { activity ->
+      assertTrue(firstHost === activity.host)
+      assertTrue(firstWebView === activity.currentWebView())
+      activity.requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_PORTRAIT
+    }
+  }
+}
+
+@RunWith(AndroidJUnit4::class)
+class CanvasHostReleaseTest {
+  @Before
+  fun resetMetrics() {
+    CanvasLifecycleTestMetrics.reset()
+  }
+
+  @Test
+  fun activityTeardownReleasesTheHostAndWebView() {
+    ActivityScenario.launch(CanvasLifecycleTestActivity::class.java).use { scenario ->
+      scenario.onActivity { activity -> activity.presentFastPage() }
+    }
+
+    assertTrue(
+      "AndroidView onRelease was not called",
+      waitUntil { CanvasLifecycleTestMetrics.hostReleaseCount.get() == 1 },
+    )
+    assertEquals(1, CanvasLifecycleTestMetrics.webViewDestroyCount.get())
+  }
+}
+
+private inline fun <T> ActivityScenario<CanvasLifecycleTestActivity>.readActivity(crossinline block: (CanvasLifecycleTestActivity) -> T): T {
+  var result: Result<T>? = null
+  onActivity { activity -> result = runCatching { block(activity) } }
+  return checkNotNull(result).getOrThrow()
+}
+
+private fun ActivityScenario<CanvasLifecycleTestActivity>.waitForPageFinished(): Boolean = waitUntilActivity { activity -> activity.currentWebView()?.progress == 100 }
+
+private inline fun ActivityScenario<CanvasLifecycleTestActivity>.waitUntilActivity(
+  timeoutMs: Long = 5_000L,
+  crossinline predicate: (CanvasLifecycleTestActivity) -> Boolean,
+): Boolean =
+  waitUntil(timeoutMs) {
+    readActivity(predicate)
+  }
+
+private fun waitUntil(
+  timeoutMs: Long = 5_000L,
+  predicate: () -> Boolean,
+): Boolean {
+  val deadline = SystemClock.elapsedRealtime() + timeoutMs
+  while (SystemClock.elapsedRealtime() < deadline) {
+    if (predicate()) return true
+    SystemClock.sleep(20)
+  }
+  return predicate()
+}
diff --git a/apps/android/app/src/debug/AndroidManifest.xml b/apps/android/app/src/debug/AndroidManifest.xml
index 2eccec1b6307..8398d3086ca7 100644
--- a/apps/android/app/src/debug/AndroidManifest.xml
+++ b/apps/android/app/src/debug/AndroidManifest.xml
@@ -7,6 +7,11 @@
     <uses-permission android:name="${applicationId}.permission.RUN_VOICE_E2E" />
 
     <application>
+        <activity
+            android:name=".ui.CanvasLifecycleTestActivity"
+            android:configChanges="orientation|screenSize|screenLayout|smallestScreenSize|uiMode|density|keyboard|keyboardHidden|navigation"
+            android:exported="false"
+            android:theme="@android:style/Theme.Material.Light.NoActionBar" />
         <receiver
             android:name=".VoiceE2eReceiver"
             android:permission="${applicationId}.permission.RUN_VOICE_E2E"
diff --git a/apps/android/app/src/debug/java/ai/openclaw/app/ui/CanvasLifecycleTestActivity.kt b/apps/android/app/src/debug/java/ai/openclaw/app/ui/CanvasLifecycleTestActivity.kt
new file mode 100644
index 000000000000..4dfa386ae27d
--- /dev/null
+++ b/apps/android/app/src/debug/java/ai/openclaw/app/ui/CanvasLifecycleTestActivity.kt
@@ -0,0 +1,129 @@
+package ai.openclaw.app.ui
+
+import ai.openclaw.app.node.CanvasController
+import android.os.Bundle
+import android.os.SystemClock
+import android.util.Base64
+import android.webkit.WebView
+import android.widget.Button
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.viewinterop.AndroidView
+import java.util.concurrent.atomic.AtomicInteger
+
+const val canvasLifecycleSlowPageDelayMs = 2_000L
+
+class CanvasLifecycleTestActivity : ComponentActivity() {
+  val controller = CanvasController()
+
+  internal var host: CanvasHostView? = null
+    internal set
+
+  var underlayClickCount: Int = 0
+    private set
+
+  override fun onCreate(savedInstanceState: Bundle?) {
+    super.onCreate(savedInstanceState)
+    setContent {
+      CanvasLifecycleTestContent(
+        activity = this,
+        onUnderlayClick = { underlayClickCount += 1 },
+      )
+    }
+  }
+
+  fun presentSlowPage(): Long = presentHtml(slowPageHtml)
+
+  fun presentFastPage(): Long = presentHtml("<html><body>ready</body></html>")
+
+  fun hideCanvas() {
+    controller.hide()
+  }
+
+  fun showCanvas() {
+    controller.show()
+  }
+
+  fun currentWebView(): WebView? = host?.currentWebView
+
+  private fun presentHtml(html: String): Long {
+    val startedAt = SystemClock.elapsedRealtime()
+    val encoded = Base64.encodeToString(html.toByteArray(Charsets.UTF_8), Base64.NO_WRAP)
+    controller.navigate("data:text/html;base64,$encoded")
+    controller.show()
+    return SystemClock.elapsedRealtime() - startedAt
+  }
+}
+
+@Composable
+private fun CanvasLifecycleTestContent(
+  activity: CanvasLifecycleTestActivity,
+  onUnderlayClick: () -> Unit,
+) {
+  val state by activity.controller.presentationState.collectAsState()
+  Box(modifier = Modifier.fillMaxSize()) {
+    AndroidView(
+      factory = { context ->
+        Button(context).apply {
+          setOnClickListener { onUnderlayClick() }
+        }
+      },
+      modifier = Modifier.fillMaxSize(),
+    )
+    if (state != CanvasController.PresentationState.Unmounted) {
+      AndroidView(
+        factory = { context ->
+          CanvasHostView(
+            context = context,
+            controller = activity.controller,
+            isTrustedPage = { false },
+            onA2uiMessage = {},
+          ).also { host ->
+            activity.host = host
+            host.updateVisible(state == CanvasController.PresentationState.Visible)
+          }
+        },
+        update = { host ->
+          host.updateVisible(state == CanvasController.PresentationState.Visible)
+        },
+        modifier = Modifier.fillMaxSize(),
+        onRelease = { host ->
+          val hadWebView = host.currentWebView != null
+          host.release()
+          if (activity.host === host) activity.host = null
+          CanvasLifecycleTestMetrics.hostReleaseCount.incrementAndGet()
+          if (hadWebView) CanvasLifecycleTestMetrics.webViewDestroyCount.incrementAndGet()
+        },
+      )
+    }
+  }
+}
+
+object CanvasLifecycleTestMetrics {
+  val hostReleaseCount = AtomicInteger()
+  val webViewDestroyCount = AtomicInteger()
+
+  fun reset() {
+    hostReleaseCount.set(0)
+    webViewDestroyCount.set(0)
+  }
+}
+
+private val slowPageHtml =
+  """
+  <html>
+    <body>
+      <script>
+        const deadline = Date.now() + $canvasLifecycleSlowPageDelayMs;
+        while (Date.now() < deadline) {}
+      </script>
+      ready
+    </body>
+  </html>
+  """.trimIndent()
diff --git a/apps/android/app/src/main/java/ai/openclaw/app/MainViewModel.kt b/apps/android/app/src/main/java/ai/openclaw/app/MainViewModel.kt
index 6eeac1e336b5..b41a7ee0ee6e 100644
--- a/apps/android/app/src/main/java/ai/openclaw/app/MainViewModel.kt
+++ b/apps/android/app/src/main/java/ai/openclaw/app/MainViewModel.kt
@@ -172,6 +172,8 @@ class MainViewModel(
       .stateIn(viewModelScope, SharingStarted.Eagerly, false)
 
   val canvasCurrentUrl: StateFlow<String?> = runtimeState(initial = null) { it.canvas.currentUrl }
+  val canvasPresentationState: StateFlow<CanvasController.PresentationState> =
+    runtimeState(initial = CanvasController.PresentationState.Unmounted) { it.canvas.presentationState }
   val canvasA2uiHydrated: StateFlow<Boolean> = runtimeState(initial = false) { it.canvasA2uiHydrated }
   val canvasRehydratePending: StateFlow<Boolean> = runtimeState(initial = false) { it.canvasRehydratePending }
   val canvasRehydrateErrorText: StateFlow<String?> = runtimeState(initial = null) { it.canvasRehydrateErrorText }
@@ -740,6 +742,14 @@ class MainViewModel(
     ensureRuntime().requestCanvasRehydrate(source = source, force = true)
   }
 
+  fun showCanvas() {
+    ensureRuntime().canvas.show()
+  }
+
+  fun hideCanvas() {
+    runtimeRef.value?.canvas?.hide()
+  }
+
   fun refreshHomeCanvasOverviewIfConnected() {
     ensureRuntime().refreshHomeCanvasOverviewIfConnected()
   }
diff --git a/apps/android/app/src/main/java/ai/openclaw/app/node/A2UIHandler.kt b/apps/android/app/src/main/java/ai/openclaw/app/node/A2UIHandler.kt
index 25b73a6dd903..a818e2dab1f5 100644
--- a/apps/android/app/src/main/java/ai/openclaw/app/node/A2UIHandler.kt
+++ b/apps/android/app/src/main/java/ai/openclaw/app/node/A2UIHandler.kt
@@ -16,11 +16,15 @@ class A2UIHandler(
   fun isTrustedCanvasActionUrl(rawUrl: String?): Boolean = CanvasActionTrust.isTrustedCanvasActionUrl(rawUrl)
 
   suspend fun ensureA2uiReady(): Boolean {
-    if (canvas.currentUrl()?.trim() == CanvasActionTrust.localA2uiAssetUrl && isA2uiReady()) {
+    val alreadyOnA2uiHost = canvas.currentUrl()?.trim() == CanvasActionTrust.localA2uiAssetUrl
+    if (!canvas.showAndAwaitHost()) return false
+    if (!alreadyOnA2uiHost) {
+      canvas.showLocalA2ui()
+    }
+    if (alreadyOnA2uiHost && isA2uiReady()) {
       return true
     }
 
-    canvas.showLocalA2ui()
     // The bundled A2UI host bootstraps asynchronously after navigation; poll briefly before failing the command.
     repeat(50) {
       if (isA2uiReady()) return true
diff --git a/apps/android/app/src/main/java/ai/openclaw/app/node/CanvasController.kt b/apps/android/app/src/main/java/ai/openclaw/app/node/CanvasController.kt
index 58def93ea727..d450153c2025 100644
--- a/apps/android/app/src/main/java/ai/openclaw/app/node/CanvasController.kt
+++ b/apps/android/app/src/main/java/ai/openclaw/app/node/CanvasController.kt
@@ -13,8 +13,10 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.suspendCancellableCoroutine
 import kotlinx.coroutines.withContext
+import kotlinx.coroutines.withTimeoutOrNull
 import kotlinx.serialization.json.Json
 import kotlinx.serialization.json.JsonElement
 import kotlinx.serialization.json.JsonObject
@@ -27,6 +29,12 @@ import kotlin.coroutines.resume
  * Owns the Android WebView canvas surface used by canvas and A2UI commands.
  */
 class CanvasController {
+  enum class PresentationState {
+    Unmounted,
+    Hidden,
+    Visible,
+  }
+
   enum class SnapshotFormat(
     val rawValue: String,
   ) {
@@ -47,6 +55,9 @@ class CanvasController {
   @Volatile private var homeCanvasStateJson: String? = null
   private val _currentUrl = MutableStateFlow<String?>(null)
   val currentUrl: StateFlow<String?> = _currentUrl.asStateFlow()
+  private val _presentationState = MutableStateFlow(PresentationState.Unmounted)
+  val presentationState: StateFlow<PresentationState> = _presentationState.asStateFlow()
+  private val hostAttachedState = MutableStateFlow(false)
 
   private val scaffoldAssetUrl = CanvasActionTrust.scaffoldAssetUrl
   private val localA2uiAssetUrl = CanvasActionTrust.localA2uiAssetUrl
@@ -67,19 +78,61 @@ class CanvasController {
   /** Attaches the active WebView and replays state that may have arrived before the view existed. */
   fun attach(webView: WebView) {
     this.webView = webView
+    hostAttachedState.value = true
     // Replay persisted state because WebView attachment can happen after gateway events arrive.
     reload()
     applyDebugStatus()
     applyHomeCanvasState()
   }
 
-  /** Detaches only the currently attached WebView instance. */
-  fun detach(webView: WebView) {
-    if (this.webView === webView) {
-      this.webView = null
+  /** Releases the shell-owned host when its UI owner permanently leaves composition. */
+  fun releaseHost() {
+    webView = null
+    hostAttachedState.value = false
+    _presentationState.value = PresentationState.Unmounted
+  }
+
+  /** Invalid renderer processes cannot be reused; retain the host but require a new child. */
+  fun onRenderProcessGone(webView: WebView) {
+    if (this.webView !== webView) return
+    this.webView = null
+    // Do not replay the page that terminated its renderer into the replacement WebView.
+    url = null
+    _currentUrl.value = null
+    hostAttachedState.value = false
+    _presentationState.value = PresentationState.Hidden
+  }
+
+  fun show() {
+    _presentationState.value = PresentationState.Visible
+  }
+
+  fun hide() {
+    if (_presentationState.value != PresentationState.Unmounted) {
+      _presentationState.value = PresentationState.Hidden
     }
   }
 
+  /**
+   * Requests presentation and waits only for the shell host to accept it.
+   * Remote page loading remains asynchronous and must not delay invoke completion.
+   */
+  suspend fun showAndAwaitHost(): Boolean {
+    val previousState = _presentationState.value
+    show()
+    if (hostAttachedState.value) return true
+    val attached =
+      withTimeoutOrNull(hostAttachTimeoutMs) {
+        hostAttachedState.first { it }
+        true
+      } ?: hostAttachedState.value
+    if (!attached && _presentationState.value == PresentationState.Visible) {
+      // A failed foreground handoff must not leave a pending overlay for the next Activity.
+      _presentationState.value = previousState
+    }
+    return attached
+  }
+
   /** Navigates the canvas to a remote URL or back to the bundled scaffold for blank/root input. */
   fun navigate(url: String) {
     this.url = CanvasNavigationPolicy.normalize(url).ifBlank { null }
@@ -243,6 +296,8 @@ class CanvasController {
     }
 
   companion object {
+    private const val hostAttachTimeoutMs = 5_000L
+
     /**
      * Parsed canvas.snapshot options used by invoke dispatch.
      */
diff --git a/apps/android/app/src/main/java/ai/openclaw/app/node/InvokeDispatcher.kt b/apps/android/app/src/main/java/ai/openclaw/app/node/InvokeDispatcher.kt
index f3fae39b162a..48a22eb60103 100644
--- a/apps/android/app/src/main/java/ai/openclaw/app/node/InvokeDispatcher.kt
+++ b/apps/android/app/src/main/java/ai/openclaw/app/node/InvokeDispatcher.kt
@@ -14,6 +14,8 @@ import ai.openclaw.app.protocol.OpenClawNotificationsCommand
 import ai.openclaw.app.protocol.OpenClawSmsCommand
 import ai.openclaw.app.protocol.OpenClawSystemCommand
 import ai.openclaw.app.protocol.OpenClawTalkCommand
+import kotlinx.coroutines.sync.Mutex
+import kotlinx.coroutines.sync.withLock
 
 /** Runtime state for SMS search, split so permission prompts are not reported as hard unavailability. */
 internal enum class SmsSearchAvailabilityReason {
@@ -92,6 +94,8 @@ class InvokeDispatcher(
   private val motionActivityAvailable: () -> Boolean,
   private val motionPedometerAvailable: () -> Boolean,
 ) {
+  private val canvasCommandMutex = Mutex()
+
   /** Dispatches one gateway node.invoke command after foreground and availability gates pass. */
   suspend fun handleInvoke(
     command: String,
@@ -112,19 +116,40 @@ class InvokeDispatcher(
     }
     availabilityError(spec.availability)?.let { return it }
 
+    if (command.startsWith(OpenClawCanvasCommand.NamespacePrefix)) {
+      // GatewaySession may deliver invokes concurrently. Canvas presentation, navigation, and
+      // A2UI evaluation share one WebView and must observe command arrival order.
+      return canvasCommandMutex.withLock { dispatchInvoke(command, paramsJson) }
+    }
+    return dispatchInvoke(command, paramsJson)
+  }
+
+  private suspend fun dispatchInvoke(
+    command: String,
+    paramsJson: String?,
+  ): GatewaySession.InvokeResult {
     // Command strings come from OpenClawProtocolConstants; the registry above owns advertised availability.
     return when (command) {
       // Canvas commands
       OpenClawCanvasCommand.Present.rawValue -> {
         val url = CanvasController.parseNavigateUrl(paramsJson)
-        canvas.navigate(url)
+        withCanvasAvailable {
+          check(canvas.showAndAwaitHost()) { "canvas host unavailable" }
+          canvas.navigate(url)
+          GatewaySession.InvokeResult.ok(null)
+        }
+      }
+      OpenClawCanvasCommand.Hide.rawValue -> {
+        canvas.hide()
         GatewaySession.InvokeResult.ok(null)
       }
-      OpenClawCanvasCommand.Hide.rawValue -> GatewaySession.InvokeResult.ok(null)
       OpenClawCanvasCommand.Navigate.rawValue -> {
         val url = CanvasController.parseNavigateUrl(paramsJson)
-        canvas.navigate(url)
-        GatewaySession.InvokeResult.ok(null)
+        withCanvasAvailable {
+          check(canvas.showAndAwaitHost()) { "canvas host unavailable" }
+          canvas.navigate(url)
+          GatewaySession.InvokeResult.ok(null)
+        }
       }
       OpenClawCanvasCommand.Eval.rawValue -> {
         val js =
diff --git a/apps/android/app/src/main/java/ai/openclaw/app/ui/CanvasScreen.kt b/apps/android/app/src/main/java/ai/openclaw/app/ui/CanvasScreen.kt
index 0d9cbdaf9482..23084bd7c10a 100644
--- a/apps/android/app/src/main/java/ai/openclaw/app/ui/CanvasScreen.kt
+++ b/apps/android/app/src/main/java/ai/openclaw/app/ui/CanvasScreen.kt
@@ -1,12 +1,16 @@
 package ai.openclaw.app.ui
 
 import ai.openclaw.app.MainViewModel
+import ai.openclaw.app.node.CanvasController
 import ai.openclaw.app.node.CanvasNavigationPolicy
 import android.annotation.SuppressLint
+import android.content.Context
 import android.net.Uri
 import android.util.Log
 import android.view.View
+import android.view.ViewGroup
 import android.webkit.ConsoleMessage
+import android.webkit.RenderProcessGoneDetail
 import android.webkit.WebChromeClient
 import android.webkit.WebResourceError
 import android.webkit.WebResourceRequest
@@ -14,11 +18,9 @@ import android.webkit.WebResourceResponse
 import android.webkit.WebSettings
 import android.webkit.WebView
 import android.webkit.WebViewClient
+import android.widget.FrameLayout
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.DisposableEffect
-import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.viewinterop.AndroidView
 import androidx.webkit.JavaScriptReplyProxy
 import androidx.webkit.WebMessageCompat
@@ -37,28 +39,69 @@ fun CanvasScreen(
   visible: Boolean,
   modifier: Modifier = Modifier,
 ) {
-  val context = LocalContext.current
-  val isDebuggable = (context.applicationInfo.flags and android.content.pm.ApplicationInfo.FLAG_DEBUGGABLE) != 0
-  val webViewRef = remember { arrayOfNulls<WebView>(1) }
-  val currentPageUrlRef = remember { AtomicReference<String?>(null) }
-
-  DisposableEffect(viewModel) {
-    onDispose {
-      val webView = webViewRef[0] ?: return@onDispose
-      viewModel.canvas.detach(webView)
-      if (WebViewFeature.isFeatureSupported(WebViewFeature.WEB_MESSAGE_LISTENER)) {
-        WebViewCompat.removeWebMessageListener(webView, CanvasA2UIActionBridge.interfaceName)
+  AndroidView(
+    modifier = modifier,
+    factory = { context ->
+      CanvasHostView(
+        context = context,
+        controller = viewModel.canvas,
+        isTrustedPage = viewModel::isTrustedCanvasActionUrl,
+        onA2uiMessage = viewModel::handleCanvasA2UIActionFromWebView,
+      ).apply {
+        updateVisible(visible)
       }
-      webView.stopLoading()
-      webView.destroy()
-      webViewRef[0] = null
+    },
+    update = { host -> host.updateVisible(visible) },
+    onRelease = CanvasHostView::release,
+  )
+}
+
+/**
+ * Retained shell host whose WebView child can be replaced after renderer death.
+ *
+ * Compose creates this host directly; XML inflation cannot supply its controller and callbacks.
+ */
+@SuppressLint("SetJavaScriptEnabled", "ViewConstructor")
+@Suppress("DEPRECATION")
+internal class CanvasHostView(
+  context: Context,
+  private val controller: CanvasController,
+  private val isTrustedPage: (String?) -> Boolean,
+  private val onA2uiMessage: (String) -> Unit,
+) : FrameLayout(context) {
+  internal var currentWebView: WebView? = null
+    private set
+
+  private val isDebuggable =
+    (context.applicationInfo.flags and android.content.pm.ApplicationInfo.FLAG_DEBUGGABLE) != 0
+  private val currentPageUrlRef = AtomicReference<String?>(null)
+
+  init {
+    visibility = View.INVISIBLE
+  }
+
+  fun updateVisible(visible: Boolean) {
+    if (visible) {
+      val webView = currentWebView ?: createWebView()
+      visibility = View.VISIBLE
+      webView.visibility = View.VISIBLE
+      webView.onResume()
+      return
+    }
+    visibility = View.INVISIBLE
+    currentWebView?.let { webView ->
+      webView.visibility = View.INVISIBLE
+      webView.onPause()
     }
   }
 
-  AndroidView(
-    modifier = modifier,
-    factory = {
-      val webView = WebView(context)
+  fun release() {
+    controller.releaseHost()
+    currentWebView?.let(::destroyWebView)
+  }
+
+  private fun createWebView(): WebView =
+    WebView(context).also { webView ->
       val webSettings = webView.settings
       webSettings.setAllowContentAccess(false)
       webSettings.setAllowFileAccess(false)
@@ -73,7 +116,7 @@ fun CanvasScreen(
       webSettings.builtInZoomControls = false
       webSettings.displayZoomControls = false
       webSettings.setSupportZoom(false)
-      webView.visibility = if (visible) View.VISIBLE else View.INVISIBLE
+      webView.visibility = View.INVISIBLE
       // targetSdk 33+ ignores Force Dark APIs, so only opt out through the supported
       // algorithmic darkening flag when this WebView implementation exposes it.
       if (WebViewFeature.isFeatureSupported(WebViewFeature.ALGORITHMIC_DARKENING)) {
@@ -93,7 +136,7 @@ fun CanvasScreen(
             request: WebResourceRequest,
           ): Boolean {
             if (!request.isForMainFrame) return false
-            return blockUnsafeCanvasNavigation(viewModel, currentPageUrlRef, request.url.toString())
+            return blockUnsafeCanvasNavigation(controller, currentPageUrlRef, request.url.toString())
           }
 
           override fun shouldInterceptRequest(
@@ -109,7 +152,7 @@ fun CanvasScreen(
             // shouldOverrideUrlLoading excludes POST navigations and their redirects. WebView does
             // not expose those redirect targets, so non-GET main-frame loads fail closed here.
             currentPageUrlRef.set(null)
-            view.post { viewModel.canvas.navigate("") }
+            view.post { controller.navigate("") }
             return blockedCanvasResponse()
           }
 
@@ -150,12 +193,12 @@ fun CanvasScreen(
             if (isDebuggable) {
               Log.d("OpenClawWebView", "onPageFinished: $url")
             }
-            viewModel.canvas.onPageFinished()
+            controller.onPageFinished()
           }
 
           override fun onRenderProcessGone(
             view: WebView,
-            detail: android.webkit.RenderProcessGoneDetail,
+            detail: RenderProcessGoneDetail,
           ): Boolean {
             if (isDebuggable) {
               Log.e(
@@ -163,6 +206,11 @@ fun CanvasScreen(
                 "onRenderProcessGone didCrash=${detail.didCrash()} priorityAtExit=${detail.rendererPriorityAtExit()}",
               )
             }
+            if (view === currentWebView) {
+              controller.onRenderProcessGone(view)
+              destroyWebView(view)
+              visibility = View.INVISIBLE
+            }
             return true
           }
         }
@@ -183,10 +231,9 @@ fun CanvasScreen(
       // dispatch still requires the live URL to be an app-owned bundled page.
       val bridge =
         CanvasA2UIActionBridge(
-          isTrustedPage = { viewModel.isTrustedCanvasActionUrl(currentPageUrlRef.get()) },
-        ) { payload ->
-          viewModel.handleCanvasA2UIActionFromWebView(payload)
-        }
+          isTrustedPage = { isTrustedPage(currentPageUrlRef.get()) },
+          onMessage = onA2uiMessage,
+        )
       if (WebViewFeature.isFeatureSupported(WebViewFeature.WEB_MESSAGE_LISTENER)) {
         WebViewCompat.addWebMessageListener(
           webView,
@@ -197,32 +244,38 @@ fun CanvasScreen(
       } else if (isDebuggable) {
         Log.w("OpenClawWebView", "WebMessageListener unsupported; canvas actions disabled")
       }
-      viewModel.canvas.attach(webView)
-      webViewRef[0] = webView
-      webView
-    },
-    update = { webView ->
-      webView.visibility = if (visible) View.VISIBLE else View.INVISIBLE
-      if (visible) {
-        webView.resumeTimers()
-        webView.onResume()
-      } else {
-        webView.onPause()
-        webView.pauseTimers()
-      }
-    },
-  )
+      addView(
+        webView,
+        ViewGroup.LayoutParams(
+          ViewGroup.LayoutParams.MATCH_PARENT,
+          ViewGroup.LayoutParams.MATCH_PARENT,
+        ),
+      )
+      currentWebView = webView
+      controller.attach(webView)
+    }
+
+  private fun destroyWebView(webView: WebView) {
+    if (currentWebView !== webView) return
+    if (WebViewFeature.isFeatureSupported(WebViewFeature.WEB_MESSAGE_LISTENER)) {
+      WebViewCompat.removeWebMessageListener(webView, CanvasA2UIActionBridge.interfaceName)
+    }
+    removeView(webView)
+    webView.stopLoading()
+    webView.destroy()
+    currentWebView = null
+  }
 }
 
 private fun blockUnsafeCanvasNavigation(
-  viewModel: MainViewModel,
+  controller: CanvasController,
   currentPageUrlRef: AtomicReference<String?>,
   rawUrl: String,
 ): Boolean {
   val url = rawUrl.trim()
   if (!CanvasNavigationPolicy.shouldBlock(url)) return false
   currentPageUrlRef.set(null)
-  viewModel.canvas.navigate("")
+  controller.navigate("")
   return true
 }
 
diff --git a/apps/android/app/src/main/java/ai/openclaw/app/ui/CanvasSettingsScreen.kt b/apps/android/app/src/main/java/ai/openclaw/app/ui/CanvasSettingsScreen.kt
index 35b713e313dc..2ecfb96d7701 100644
--- a/apps/android/app/src/main/java/ai/openclaw/app/ui/CanvasSettingsScreen.kt
+++ b/apps/android/app/src/main/java/ai/openclaw/app/ui/CanvasSettingsScreen.kt
@@ -12,7 +12,6 @@ import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.PaddingValues
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.shape.RoundedCornerShape
@@ -31,7 +30,7 @@ import androidx.compose.ui.draw.clip
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
 
-/** Settings detail surface for live canvas status, refresh, and embedded preview. */
+/** Settings detail surface for live canvas status, refresh, and presentation. */
 @Composable
 internal fun CanvasSettingsScreen(
   viewModel: MainViewModel,
@@ -43,12 +42,11 @@ internal fun CanvasSettingsScreen(
   val rehydratePending by viewModel.canvasRehydratePending.collectAsState()
   val rehydrateErrorText by viewModel.canvasRehydrateErrorText.collectAsState()
   val hasLivePage = currentUrl?.isNotBlank() == true
-  val showCanvasSurface = isConnected
   val canvasLabel = if (hasLivePage) "Live page" else "Home canvas"
 
   LaunchedEffect(isConnected) {
     if (isConnected) {
-      // Refresh once when the gateway comes online so the settings preview is
+      // Refresh once when the gateway comes online so current Canvas status is
       // populated before the user manually asks for a rehydrate.
       viewModel.refreshHomeCanvasOverviewIfConnected()
     }
@@ -76,8 +74,8 @@ internal fun CanvasSettingsScreen(
         modifier = Modifier.weight(1f),
       )
       ClawSecondaryButton(
-        text = "Reconnect",
-        onClick = viewModel::refreshGatewayConnection,
+        text = if (isConnected) "Open Screen" else "Reconnect",
+        onClick = if (isConnected) viewModel::showCanvas else viewModel::refreshGatewayConnection,
         modifier = Modifier.weight(1f),
       )
     }
@@ -90,18 +88,12 @@ internal fun CanvasSettingsScreen(
       Column(verticalArrangement = Arrangement.spacedBy(8.dp)) {
         Text(text = canvasLabel, style = ClawTheme.type.section, color = ClawTheme.colors.text, maxLines = 1, overflow = TextOverflow.Ellipsis)
         Surface(
-          modifier = Modifier.fillMaxWidth().height(520.dp).clip(RoundedCornerShape(ClawTheme.radii.panel)),
+          modifier = Modifier.fillMaxWidth().clip(RoundedCornerShape(ClawTheme.radii.panel)),
           shape = RoundedCornerShape(ClawTheme.radii.panel),
           color = ClawTheme.colors.canvas,
           border = BorderStroke(1.dp, ClawTheme.colors.border),
         ) {
-          Box {
-            if (showCanvasSurface) {
-              CanvasScreen(viewModel = viewModel, visible = true, modifier = Modifier.fillMaxWidth().height(520.dp))
-            } else {
-              CanvasStandbyPanel(isConnected = isConnected)
-            }
-          }
+          CanvasStandbyPanel(isConnected = isConnected)
         }
       }
     }
@@ -111,7 +103,7 @@ internal fun CanvasSettingsScreen(
 @Composable
 private fun CanvasStandbyPanel(isConnected: Boolean) {
   Column(
-    modifier = Modifier.fillMaxWidth().height(520.dp).padding(horizontal = 24.dp),
+    modifier = Modifier.fillMaxWidth().padding(horizontal = 24.dp, vertical = 48.dp),
     horizontalAlignment = Alignment.CenterHorizontally,
     verticalArrangement = Arrangement.Center,
   ) {
@@ -133,7 +125,7 @@ private fun CanvasStandbyPanel(isConnected: Boolean) {
       modifier = Modifier.padding(top = 18.dp),
     )
     Text(
-      text = if (isConnected) "Canvas output appears here when OpenClaw opens an app surface." else "Canvas output needs an active gateway connection.",
+      text = if (isConnected) "Open the current Canvas surface to inspect or interact with it." else "Canvas output needs an active gateway connection.",
       style = ClawTheme.type.body,
       color = ClawTheme.colors.textMuted,
       modifier = Modifier.padding(top = 6.dp),
diff --git a/apps/android/app/src/main/java/ai/openclaw/app/ui/ShellScreen.kt b/apps/android/app/src/main/java/ai/openclaw/app/ui/ShellScreen.kt
index 888756241443..080911703278 100644
--- a/apps/android/app/src/main/java/ai/openclaw/app/ui/ShellScreen.kt
+++ b/apps/android/app/src/main/java/ai/openclaw/app/ui/ShellScreen.kt
@@ -16,10 +16,12 @@ import ai.openclaw.app.NodeRuntime
 import ai.openclaw.app.R
 import ai.openclaw.app.chat.ChatSessionEntry
 import ai.openclaw.app.currentAppLanguage
+import ai.openclaw.app.node.CanvasController
 import ai.openclaw.app.ui.chat.ChatScreen
 import ai.openclaw.app.ui.design.ClawBottomNav
 import ai.openclaw.app.ui.design.ClawDesignTheme
 import ai.openclaw.app.ui.design.ClawEmptyState
+import ai.openclaw.app.ui.design.ClawIconButton
 import ai.openclaw.app.ui.design.ClawNavItem
 import ai.openclaw.app.ui.design.ClawPanel
 import ai.openclaw.app.ui.design.ClawPlainIconButton
@@ -52,6 +54,7 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.safeDrawing
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.layout.windowInsetsPadding
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.shape.CircleShape
 import androidx.compose.foundation.shape.RoundedCornerShape
@@ -61,6 +64,7 @@ import androidx.compose.material.icons.automirrored.filled.ExitToApp
 import androidx.compose.material.icons.automirrored.filled.KeyboardArrowRight
 import androidx.compose.material.icons.automirrored.filled.ScreenShare
 import androidx.compose.material.icons.filled.ArrowDropDown
+import androidx.compose.material.icons.filled.Close
 import androidx.compose.material.icons.filled.Cloud
 import androidx.compose.material.icons.filled.Favorite
 import androidx.compose.material.icons.filled.GraphicEq
@@ -156,9 +160,16 @@ fun ShellScreen(
     val requestedHomeDestination by viewModel.requestedHomeDestination.collectAsState()
     val pendingTrust by viewModel.pendingGatewayTrust.collectAsState()
     val runtimeInitialized by viewModel.runtimeInitialized.collectAsState()
+    val canvasPresentationState by viewModel.canvasPresentationState.collectAsState()
+    val canvasVisible = canvasPresentationState == CanvasController.PresentationState.Visible
 
     LaunchedEffect(requestedHomeDestination) {
       val destination = requestedHomeDestination ?: return@LaunchedEffect
+      if (destination == HomeDestination.Screen) {
+        viewModel.showCanvas()
+        viewModel.clearRequestedHomeDestination()
+        return@LaunchedEffect
+      }
       // HomeDestination is a one-shot command from launch intents and settings
       // actions; consume it after translating to local shell state.
       nav.selectTab(
@@ -166,7 +177,7 @@ fun ShellScreen(
           HomeDestination.Connect -> Tab.Overview
           HomeDestination.Chat -> Tab.Chat
           HomeDestination.Voice -> Tab.Voice
-          HomeDestination.Screen -> Tab.Chat
+          HomeDestination.Screen -> Tab.Overview
           HomeDestination.Settings -> Tab.Settings
         },
       )
@@ -191,7 +202,8 @@ fun ShellScreen(
 
     val density = LocalDensity.current
     val keyboardVisible = WindowInsets.ime.getBottom(density) > 0
-    val showBottomNav = shellBottomNavVisible(keyboardVisible = keyboardVisible, commandOpen = commandOpen)
+    val showBottomNav =
+      shellBottomNavVisible(keyboardVisible = keyboardVisible, commandOpen = commandOpen) && !canvasVisible
 
     Scaffold(
       modifier = modifier.fillMaxSize(),
@@ -290,6 +302,14 @@ fun ShellScreen(
           )
         }
 
+        if (canvasPresentationState != CanvasController.PresentationState.Unmounted) {
+          CanvasOverlay(
+            viewModel = viewModel,
+            visible = canvasVisible,
+            onClose = viewModel::hideCanvas,
+          )
+        }
+
         pendingTrust?.let { prompt ->
           // Gateway certificate trust is modal across the shell so navigation
           // cannot hide a changed TLS identity prompt.
@@ -304,6 +324,36 @@ fun ShellScreen(
   }
 }
 
+@Composable
+private fun CanvasOverlay(
+  viewModel: MainViewModel,
+  visible: Boolean,
+  onClose: () -> Unit,
+) {
+  BackHandler(enabled = visible, onBack = onClose)
+  val overlayColor = if (visible) ClawTheme.colors.canvas else Color.Transparent
+  Box(modifier = Modifier.fillMaxSize().background(overlayColor)) {
+    // The shell owns system-bar avoidance; arbitrary Canvas pages cannot know Android insets.
+    CanvasScreen(
+      viewModel = viewModel,
+      visible = visible,
+      modifier = Modifier.fillMaxSize().windowInsetsPadding(WindowInsets.safeDrawing),
+    )
+    if (visible) {
+      ClawIconButton(
+        icon = Icons.Default.Close,
+        contentDescription = "Close Canvas",
+        onClick = onClose,
+        modifier =
+          Modifier
+            .align(Alignment.TopEnd)
+            .windowInsetsPadding(WindowInsets.safeDrawing.only(WindowInsetsSides.Top + WindowInsetsSides.Horizontal))
+            .padding(top = 12.dp, end = 12.dp),
+      )
+    }
+  }
+}
+
 /** Modal trust decision for first-seen or changed gateway TLS fingerprints. */
 @Composable
 private fun GatewayTrustDialog(
diff --git a/apps/android/app/src/test/java/ai/openclaw/app/node/CanvasControllerPresentationTest.kt b/apps/android/app/src/test/java/ai/openclaw/app/node/CanvasControllerPresentationTest.kt
new file mode 100644
index 000000000000..2c098659243f
--- /dev/null
+++ b/apps/android/app/src/test/java/ai/openclaw/app/node/CanvasControllerPresentationTest.kt
@@ -0,0 +1,38 @@
+package ai.openclaw.app.node
+
+import kotlinx.coroutines.test.runTest
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertFalse
+import org.junit.Test
+
+class CanvasControllerPresentationTest {
+  @Test
+  fun presentationStateKeepsTheHostUnmountedUntilFirstShow() {
+    val controller = CanvasController()
+
+    controller.hide()
+    assertEquals(CanvasController.PresentationState.Unmounted, controller.presentationState.value)
+
+    controller.show()
+    assertEquals(CanvasController.PresentationState.Visible, controller.presentationState.value)
+
+    controller.hide()
+    assertEquals(CanvasController.PresentationState.Hidden, controller.presentationState.value)
+
+    controller.show()
+    assertEquals(CanvasController.PresentationState.Visible, controller.presentationState.value)
+
+    controller.releaseHost()
+    assertEquals(CanvasController.PresentationState.Unmounted, controller.presentationState.value)
+  }
+
+  @Test
+  fun failedHostHandoffRestoresThePreviousPresentationState() =
+    runTest {
+      val controller = CanvasController()
+
+      assertFalse(controller.showAndAwaitHost())
+
+      assertEquals(CanvasController.PresentationState.Unmounted, controller.presentationState.value)
+    }
+}
diff --git a/apps/android/app/src/test/java/ai/openclaw/app/node/InvokeDispatcherTest.kt b/apps/android/app/src/test/java/ai/openclaw/app/node/InvokeDispatcherTest.kt
index d391b8600801..34432fbac236 100644
--- a/apps/android/app/src/test/java/ai/openclaw/app/node/InvokeDispatcherTest.kt
+++ b/apps/android/app/src/test/java/ai/openclaw/app/node/InvokeDispatcherTest.kt
@@ -4,6 +4,7 @@ import ai.openclaw.app.gateway.DeviceIdentityStore
 import ai.openclaw.app.gateway.GatewaySession
 import ai.openclaw.app.protocol.OpenClawCallLogCommand
 import ai.openclaw.app.protocol.OpenClawCameraCommand
+import ai.openclaw.app.protocol.OpenClawCanvasCommand
 import ai.openclaw.app.protocol.OpenClawDeviceCommand
 import ai.openclaw.app.protocol.OpenClawLocationCommand
 import ai.openclaw.app.protocol.OpenClawMotionCommand
@@ -12,6 +13,7 @@ import ai.openclaw.app.protocol.OpenClawSmsCommand
 import ai.openclaw.app.protocol.OpenClawTalkCommand
 import android.content.Context
 import android.content.pm.PackageManager
+import android.webkit.WebView
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.test.runTest
 import kotlinx.serialization.json.Json
@@ -275,6 +277,58 @@ class InvokeDispatcherTest {
       assertEquals(listOf("start", "stop", "cancel"), talk.calls)
     }
 
+  @Test
+  fun handleInvoke_presentAndHideDriveTheShellOwnedCanvasState() =
+    runTest {
+      val appContext = RuntimeEnvironment.getApplication()
+      val canvas = CanvasController()
+      val webView = WebView(appContext)
+      canvas.attach(webView)
+      val dispatcher = newDispatcher(canvas = canvas)
+
+      val present =
+        dispatcher.handleInvoke(
+          OpenClawCanvasCommand.Present.rawValue,
+          """{"url":"https://example.com/canvas"}""",
+        )
+
+      assertNull(present.error)
+      assertEquals("https://example.com/canvas", canvas.currentUrl())
+      assertEquals(CanvasController.PresentationState.Visible, canvas.presentationState.value)
+
+      val hide = dispatcher.handleInvoke(OpenClawCanvasCommand.Hide.rawValue, null)
+
+      assertNull(hide.error)
+      assertEquals(CanvasController.PresentationState.Hidden, canvas.presentationState.value)
+      canvas.releaseHost()
+      webView.destroy()
+    }
+
+  @Test
+  fun handleInvoke_rejectsBackgroundCanvasPresentationBeforeMountingAHost() =
+    runTest {
+      val canvas = CanvasController()
+      val result =
+        newDispatcher(isForeground = false, canvas = canvas)
+          .handleInvoke(OpenClawCanvasCommand.Present.rawValue, """{"url":"https://example.com"}""")
+
+      assertEquals("NODE_BACKGROUND_UNAVAILABLE", result.error?.code)
+      assertEquals(CanvasController.PresentationState.Unmounted, canvas.presentationState.value)
+    }
+
+  @Test
+  fun handleInvoke_doesNotCommitNavigationWhenTheShellHostCannotAttach() =
+    runTest {
+      val canvas = CanvasController()
+      val result =
+        newDispatcher(canvas = canvas)
+          .handleInvoke(OpenClawCanvasCommand.Present.rawValue, """{"url":"https://example.com"}""")
+
+      assertEquals("NODE_BACKGROUND_UNAVAILABLE", result.error?.code)
+      assertNull(canvas.currentUrl())
+      assertEquals(CanvasController.PresentationState.Unmounted, canvas.presentationState.value)
+    }
+
   private fun newDispatcher(
     isForeground: Boolean = true,
     cameraEnabled: Boolean = false,
@@ -290,10 +344,10 @@ class InvokeDispatcherTest {
     motionActivityAvailable: Boolean = false,
     motionPedometerAvailable: Boolean = false,
     talkHandler: TalkHandler = InvokeDispatcherFakeTalkHandler(),
+    canvas: CanvasController = CanvasController(),
   ): InvokeDispatcher {
     val appContext = RuntimeEnvironment.getApplication()
     shadowOf(appContext.packageManager).setSystemFeature(PackageManager.FEATURE_TELEPHONY, smsTelephonyAvailable)
-    val canvas = CanvasController()
     return InvokeDispatcher(
       canvas = canvas,
       cameraHandler = newCameraHandler(appContext),
diff --git a/apps/android/gradle/libs.versions.toml b/apps/android/gradle/libs.versions.toml
index 7fda068b3697..93a16eec80f4 100644
--- a/apps/android/gradle/libs.versions.toml
+++ b/apps/android/gradle/libs.versions.toml
@@ -10,6 +10,7 @@ androidx-exifinterface = "1.4.2"
 androidx-lifecycle = "2.11.0"
 androidx-security = "1.1.0"
 androidx-test-ext = "1.3.0"
+androidx-test-runner = "1.7.0"
 androidx-uiautomator = "2.4.0"
 androidx-webkit = "1.15.0"
 bcprov = "1.84"
@@ -51,6 +52,7 @@ androidx-room-compiler = { module = "androidx.room:room-compiler", version.ref =
 androidx-room-runtime = { module = "androidx.room:room-runtime", version.ref = "room" }
 androidx-security-crypto = { module = "androidx.security:security-crypto", version.ref = "androidx-security" }
 androidx-test-ext-junit = { module = "androidx.test.ext:junit", version.ref = "androidx-test-ext" }
+androidx-test-runner = { module = "androidx.test:runner", version.ref = "androidx-test-runner" }
 androidx-uiautomator = { module = "androidx.test.uiautomator:uiautomator", version.ref = "androidx-uiautomator" }
 androidx-webkit = { module = "androidx.webkit:webkit", version.ref = "androidx-webkit" }
 bcprov = { module = "org.bouncycastle:bcprov-jdk18on", version.ref = "bcprov" }
diff --git a/src/gateway/android-node.capabilities.live.test.ts b/src/gateway/android-node.capabilities.live.test.ts
index 5f6c50b6c6a3..4847e5b89279 100644
--- a/src/gateway/android-node.capabilities.live.test.ts
+++ b/src/gateway/android-node.capabilities.live.test.ts
@@ -104,6 +104,36 @@ function assertObjectPayload(command: string, payload: unknown): Record<string,
   return obj;
 }
 
+const VALID_A2UI_JSONL = [
+  JSON.stringify({
+    surfaceUpdate: {
+      surfaceId: "main",
+      components: [
+        {
+          id: "root",
+          component: { Column: { children: { explicitList: ["text"] } } },
+        },
+        {
+          id: "text",
+          component: {
+            Text: {
+              text: { literalString: "Android Canvas live test" },
+              usageHint: "body",
+            },
+          },
+        },
+      ],
+    },
+  }),
+  JSON.stringify({ beginRendering: { surfaceId: "main", root: "root" } }),
+].join("\n");
+
+function assertA2uiPushPayload(command: string, payload: unknown) {
+  const obj = assertObjectPayload(command, payload);
+  expect(obj.ok).toBe(true);
+  expect(readStringArray(obj.surfaces)).toContain("main");
+}
+
 const COMMAND_PROFILES: Record<string, CommandProfile> = {
   "canvas.present": {
     buildParams: () => ({ url: "about:blank" }),
@@ -140,14 +170,20 @@ const COMMAND_PROFILES: Record<string, CommandProfile> = {
     },
   },
   "canvas.a2ui.push": {
-    buildParams: () => ({ jsonl: '{"beginRendering":{}}\n' }),
+    buildParams: () => ({ jsonl: VALID_A2UI_JSONL }),
     timeoutMs: 30_000,
     outcome: "success",
+    onSuccess: (payload) => {
+      assertA2uiPushPayload("canvas.a2ui.push", payload);
+    },
   },
   "canvas.a2ui.pushJSONL": {
-    buildParams: () => ({ jsonl: '{"beginRendering":{}}\n' }),
+    buildParams: () => ({ jsonl: VALID_A2UI_JSONL }),
     timeoutMs: 30_000,
     outcome: "success",
+    onSuccess: (payload) => {
+      assertA2uiPushPayload("canvas.a2ui.pushJSONL", payload);
+    },
   },
   "canvas.a2ui.reset": {
     buildParams: () => ({}),