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Commit e78a70ba authored by Tony Wickham's avatar Tony Wickham
Browse files

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
parent 5bd9ba2a

src/com/android/launcher3/Launcher.java

+42 −0
Original line number Diff line number Diff line
@@ -60,6 +60,10 @@ import android.animation.AnimatorSet; 
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 @@ public class Launcher extends StatefulActivity<LauncherState> implements Launche 
                    .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);

src/com/android/launcher3/config/FeatureFlags.java

+3 −0
Original line number Diff line number Diff line
@@ -218,6 +218,9 @@ public final class FeatureFlags { 
    public static final BooleanFlag ENABLE_ENFORCED_ROUNDED_CORNERS = new DeviceFlag(

            "ENABLE_ENFORCED_ROUNDED_CORNERS", true, "Enforce rounded corners on all App Widgets");



    public static final BooleanFlag NOTIFY_CRASHES = getDebugFlag("NOTIFY_CRASHES", false,

            "Sends a notification whenever launcher encounters an uncaught exception.");



    public static void initialize(Context context) {

        synchronized (sDebugFlags) {

            for (DebugFlag flag : sDebugFlags) {