[Android] Shell: Implement Material 3 theming support

.github/scripts/BuildAndRunHostApp.ps1

@@ -232,6 +232,28 @@ if ($Category) {
 if ($Platform -eq "android") {
     Write-Info "Clearing Android logcat buffer before test..."
     & adb -s $DeviceUdid logcat -c
+
+    # Dismiss any ANR dialogs that may have appeared during build/deploy.
+    # The emulator can sit idle during long builds, causing SystemUI ANR.
+    Write-Info "Dismissing any system dialogs before test..."
+    & adb -s $DeviceUdid shell am broadcast -a android.intent.action.CLOSE_SYSTEM_DIALOGS 2>$null
+    & adb -s $DeviceUdid shell input keyevent KEYCODE_ENTER 2>$null
+    & adb -s $DeviceUdid shell input keyevent KEYCODE_BACK 2>$null
+    Start-Sleep -Seconds 1
+    & adb -s $DeviceUdid shell input keyevent KEYCODE_WAKEUP 2>$null
+    & adb -s $DeviceUdid shell input keyevent KEYCODE_MENU 2>$null
+    Start-Sleep -Seconds 1
+
+    # Check for lingering ANR dialogs via window dump
+    $windowDump = & adb -s $DeviceUdid shell dumpsys window 2>$null | Select-String "Application Not Responding|ANR"
+    if ($windowDump) {
+        Write-Warn "ANR dialog detected — force-dismissing..."
+        & adb -s $DeviceUdid shell input keyevent KEYCODE_HOME 2>$null
+        Start-Sleep -Seconds 2
+        & adb -s $DeviceUdid shell am broadcast -a android.intent.action.CLOSE_SYSTEM_DIALOGS 2>$null
+        & adb -s $DeviceUdid shell input keyevent KEYCODE_BACK 2>$null
+        Start-Sleep -Seconds 1
+    }
 }
 
 # Capture test start time for iOS logs

.github/scripts/Review-PR.ps1

@@ -131,12 +131,14 @@ if (-not $ghVersion) {
 }
 Write-Host "  ✅ GitHub CLI: $ghVersion" -ForegroundColor Green
 
-# Check Copilot CLI
-$copilotVersion = copilot --version 2>$null
-if (-not $copilotVersion) {
+# Check Copilot CLI - use Get-Command (reliable) then get version with merged streams
+$copilotCmd = Get-Command copilot -ErrorAction SilentlyContinue
+if (-not $copilotCmd) {
     Write-Error "Copilot CLI is not installed. Install with: npm install -g @github/copilot"
     exit 1
 }
+$copilotVersion = (& copilot --version 2>&1 | Out-String).Trim()
+if (-not $copilotVersion) { $copilotVersion = $copilotCmd.Source }
 Write-Host "  ✅ Copilot CLI: $copilotVersion" -ForegroundColor Green
 
 # Check PR exists

.github/scripts/shared/Build-AndDeploy.ps1

@@ -85,19 +85,56 @@ if ($Platform -eq "android") {
     Write-Info "Build command: dotnet build $($buildArgs -join ' ')"
 
     $buildStartTime = Get-Date
+    $maxAttempts = 2
+    $buildExitCode = 1
+
+    for ($attempt = 1; $attempt -le $maxAttempts; $attempt++) {
+        if ($attempt -gt 1) {
+            Write-Warn "Retrying build/deploy (attempt $attempt of $maxAttempts)..."
+
+            # Uninstall any MAUI test packages to clear bad state
+            $installedPkg = & adb shell pm list packages 2>$null | Select-String "maui" | ForEach-Object { ($_ -replace "package:", "").Trim() }
+            if ($installedPkg) {
+                foreach ($pkg in $installedPkg) {
+                    Write-Info "Uninstalling $pkg before retry..."
+                    & adb uninstall $pkg 2>$null
+                }
+            }
+
+            # Restart ADB server to recover from broken pipe / transient errors
+            Write-Info "Restarting ADB server..."
+            & adb kill-server 2>$null
+            Start-Sleep -Seconds 2
+            & adb start-server
+            Start-Sleep -Seconds 2
+            & adb wait-for-device
+            Start-Sleep -Seconds 3
+        }
+
+        & dotnet build @buildArgs
+        $buildExitCode = $LASTEXITCODE
+
+        if ($buildExitCode -eq 0) {
+            break
+        }
+
+        if ($attempt -lt $maxAttempts) {
+            Write-Warn "Build/deploy failed (attempt $attempt). ADB0010/broken-pipe errors are transient on API 30 — will retry."
+        }
+    }
 
-    # Build and deploy in one step (Run target handles both)
-    & dotnet build @buildArgs
-
-    $buildExitCode = $LASTEXITCODE
     $buildDuration = (Get-Date) - $buildStartTime
 
     if ($buildExitCode -ne 0) {
-        Write-Error "Build/deploy failed with exit code $buildExitCode"
+        Write-Error "Build/deploy failed after $maxAttempts attempts with exit code $buildExitCode"
         exit $buildExitCode
     }
 
-    Write-Success "Build and deploy completed in $($buildDuration.TotalSeconds) seconds"
+    if ($attempt -gt 1) {
+        Write-Success "Build and deploy succeeded on attempt $attempt in $($buildDuration.TotalSeconds) seconds"
+    } else {
+        Write-Success "Build and deploy completed in $($buildDuration.TotalSeconds) seconds"
+    }
 
     #endregion
 

.github/scripts/shared/Start-Emulator.ps1

@@ -65,7 +65,8 @@ if ($Platform -eq "android") {
     # Check if DeviceUdid is an AVD name (not an emulator-XXXX format)
     if ($DeviceUdid -and $DeviceUdid -notmatch "^emulator-\d+$") {
         # DeviceUdid is likely an AVD name - check if it's in the AVD list
-        $avdList = emulator -list-avds 2>$null
+        # Force array output - single AVD returns a string which breaks -contains
+        [string[]]$avdList = @(emulator -list-avds 2>$null)
         if ($avdList -contains $DeviceUdid) {
             Write-Info "DeviceUdid '$DeviceUdid' is an AVD name. Will boot this emulator..."
             $selectedAvd = $DeviceUdid
@@ -103,7 +104,8 @@ if ($Platform -eq "android") {
 
             # Get list of available AVDs (if not already set from parameter)
             if (-not $selectedAvd) {
-                $avdList = emulator -list-avds 2>$null
+                # Force array output - single AVD returns a string which breaks indexing
+                [string[]]$avdList = @(emulator -list-avds 2>$null)
 
                 if (-not $avdList -or $avdList.Count -eq 0) {
                     Write-Error "No Android emulators found. Please create an Android Virtual Device (AVD) using Android Studio."
@@ -119,7 +121,7 @@ if ($Platform -eq "android") {
                 # Selection priority:
                 # 1. API 34 device (matches CI provisioning)
                 # 2. API 30 Nexus device
-                # 3. Any API 30 device
+                # 3. Any API 30 device (matches names like "Emulator_30", "API_30_xxx", etc.)
                 # 4. Any Nexus device
                 # 5. First available device
 
@@ -132,16 +134,16 @@ if ($Platform -eq "android") {
 
                 # Try to find API 30 Nexus device
                 if (-not $selectedAvd) {
-                    $api30Nexus = $avdList | Where-Object { $_ -match "API.*30" -and $_ -match "Nexus" } | Select-Object -First 1
+                    $api30Nexus = $avdList | Where-Object { $_ -match "30" -and $_ -match "Nexus" } | Select-Object -First 1
                     if ($api30Nexus) {
                         $selectedAvd = $api30Nexus
                         Write-Info "Selected API 30 Nexus device: $selectedAvd"
                     }
                 }
 
-                # Try to find any API 30 device
+                # Try to find any API 30 device (match "30" anywhere in name)
                 if (-not $selectedAvd) {
-                    $api30Device = $avdList | Where-Object { $_ -match "API.*30" } | Select-Object -First 1
+                    $api30Device = $avdList | Where-Object { $_ -match "30" } | Select-Object -First 1
                     if ($api30Device) {
                         $selectedAvd = $api30Device
                         Write-Info "Selected API 30 device: $selectedAvd"