commit e78a70ba836c821f49b722d041a72b712bec75eb
author Tony Wickham <twickham@google.com> Mon Mar 29 16:45:59 2021 -0700
committer Tony Wickham <twickham@google.com> Mon Apr 05 15:18:12 2021 -0700
tree 0531f102d2464c45db0228ba2c0ececd6a756389
parent 5bd9ba2a80f912ede68bc3ad34fbd095d7fbc213

Send a notification when there's an uncaught exception

Guarded by FeatureFlag.NOTIFIY_CRASHES and IS_DEBUG_DEVICE

Test: Add a crash in the code, ensure a notification is posted
and can share the stack trace

Change-Id: I828cca3a99debf62f492960eb3cdc699cc0d7f9a

src/com/android/launcher3/Launcher.java

diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index f7cf66b..f4ffa1f 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -60,6 +60,10 @@
 import android.animation.ObjectAnimator;
 import android.animation.ValueAnimator;
 import android.annotation.TargetApi;
+import android.app.Notification;
+import android.app.NotificationChannel;
+import android.app.NotificationManager;
+import android.app.PendingIntent;
 import android.appwidget.AppWidgetHostView;
 import android.appwidget.AppWidgetManager;
 import android.content.ActivityNotFoundException;
@@ -373,6 +377,44 @@
                     .build());
         }
 
+        if (Utilities.IS_DEBUG_DEVICE && FeatureFlags.NOTIFY_CRASHES.get()) {
+            final String notificationChannelId = "com.android.launcher3.Debug";
+            final String notificationChannelName = "Debug";
+            final String notificationTag = "Debug";
+            final int notificationId = 0;
+
+            NotificationManager notificationManager = getSystemService(NotificationManager.class);
+            notificationManager.createNotificationChannel(new NotificationChannel(
+                    notificationChannelId, notificationChannelName,
+                    NotificationManager.IMPORTANCE_HIGH));
+
+            Thread.currentThread().setUncaughtExceptionHandler((thread, throwable) -> {
+                String stackTrace = Log.getStackTraceString(throwable);
+
+                Intent shareIntent = new Intent(Intent.ACTION_SEND);
+                shareIntent.setType("text/plain");
+                shareIntent.putExtra(Intent.EXTRA_TEXT, stackTrace);
+                shareIntent = Intent.createChooser(shareIntent, null);
+                PendingIntent sharePendingIntent = PendingIntent.getActivity(
+                        this, 0, shareIntent, PendingIntent.FLAG_UPDATE_CURRENT
+                );
+
+                Notification notification = new Notification.Builder(this, notificationChannelId)
+                        .setSmallIcon(android.R.drawable.ic_menu_close_clear_cancel)
+                        .setContentTitle("Launcher crash detected!")
+                        .setStyle(new Notification.BigTextStyle().bigText(stackTrace))
+                        .addAction(android.R.drawable.ic_menu_share, "Share", sharePendingIntent)
+                        .build();
+                notificationManager.notify(notificationTag, notificationId, notification);
+
+                Thread.UncaughtExceptionHandler defaultUncaughtExceptionHandler =
+                        Thread.getDefaultUncaughtExceptionHandler();
+                if (defaultUncaughtExceptionHandler != null) {
+                    defaultUncaughtExceptionHandler.uncaughtException(thread, throwable);
+                }
+            });
+        }
+
         super.onCreate(savedInstanceState);
 
         LauncherAppState app = LauncherAppState.getInstance(this);