Fallback to default display if initial one is detached
Test: atest WindowContextTests
Fixes: 285630617
Change-Id: I196bab294c182230edda54241f7b725f44f05570
(cherry picked from commit 7d860098f5c585c96ce29b199b36f7c82b938249)
Merged-In: I196bab294c182230edda54241f7b725f44f05570
diff --git a/core/java/android/window/WindowProviderService.java b/core/java/android/window/WindowProviderService.java
index f2ae973..611da3c 100644
--- a/core/java/android/window/WindowProviderService.java
+++ b/core/java/android/window/WindowProviderService.java
@@ -34,6 +34,7 @@
import android.hardware.display.DisplayManager;
import android.os.Bundle;
import android.os.IBinder;
+import android.util.Log;
import android.view.Display;
import android.view.WindowManager;
import android.view.WindowManager.LayoutParams.WindowType;
@@ -52,6 +53,8 @@
@UiContext
public abstract class WindowProviderService extends Service implements WindowProvider {
+ private static final String TAG = WindowProviderService.class.getSimpleName();
+
private final Bundle mOptions;
private final WindowTokenClient mWindowToken = new WindowTokenClient();
private final WindowContextController mController = new WindowContextController(mWindowToken);
@@ -194,8 +197,16 @@
public final Context createServiceBaseContext(ActivityThread mainThread,
LoadedApk packageInfo) {
final Context context = super.createServiceBaseContext(mainThread, packageInfo);
- final Display display = context.getSystemService(DisplayManager.class)
- .getDisplay(getInitialDisplayId());
+ final DisplayManager displayManager = context.getSystemService(DisplayManager.class);
+ final int initialDisplayId = getInitialDisplayId();
+ Display display = displayManager.getDisplay(initialDisplayId);
+ // Fallback to use the default display if the initial display to start WindowProviderService
+ // is detached.
+ if (display == null) {
+ Log.e(TAG, "Display with id " + initialDisplayId + " not found, falling back to "
+ + "DEFAULT_DISPLAY");
+ display = displayManager.getDisplay(DEFAULT_DISPLAY);
+ }
return context.createTokenContext(mWindowToken, display);
}