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Commit c4bcacb9 authored by Jeff Sharkey's avatar Jeff Sharkey
Browse files

Show notification while PRE_BOOT receivers run. 

Awhile back, we switched to running PRE_BOOT receivers after the user
is unlocked.  Since these receivers include providers like Contacts
and MediaStore that can take a long time to upgrade, it may result in
apps like Dialer or Photos appearing to hang, so we need to help the
user understand that the system is still upgrading in the background.

Bug: 28164677
Change-Id: I18448534b6067f8508b1ffb2d43c106c02c265a0
parent b59b5a67

services/core/java/com/android/server/am/PreBootBroadcaster.java

+49 −0
Original line number Diff line number Diff line
@@ -19,17 +19,23 @@ package com.android.server.am; 
import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY;



import android.app.AppOpsManager;

import android.app.Notification;

import android.app.NotificationManager;

import android.content.ComponentName;

import android.content.Context;

import android.content.IIntentReceiver;

import android.content.Intent;

import android.content.pm.ResolveInfo;

import android.os.Bundle;

import android.os.Handler;

import android.os.Message;

import android.os.Process;

import android.os.UserHandle;

import android.util.Slog;



import com.android.internal.R;

import com.android.internal.util.ProgressReporter;

import com.android.server.UiThread;



import java.util.List;
@@ -61,16 +67,20 @@ public abstract class PreBootBroadcaster extends IIntentReceiver.Stub { 


        mTargets = mService.mContext.getPackageManager().queryBroadcastReceiversAsUser(mIntent,

                MATCH_SYSTEM_ONLY, UserHandle.of(userId));



        mHandler.obtainMessage(MSG_SHOW).sendToTarget();

    }



    public void sendNext() {

        if (mIndex >= mTargets.size()) {

            mHandler.obtainMessage(MSG_HIDE).sendToTarget();

            onFinished();

            return;

        }



        if (!mService.isUserRunning(mUserId, 0)) {

            Slog.i(TAG, "User " + mUserId + " is no longer running; skipping remaining receivers");

            mHandler.obtainMessage(MSG_HIDE).sendToTarget();

            onFinished();

            return;

        }
@@ -100,5 +110,44 @@ public abstract class PreBootBroadcaster extends IIntentReceiver.Stub { 
        sendNext();

    }



    private static final int MSG_SHOW = 1;

    private static final int MSG_HIDE = 2;



    private Handler mHandler = new Handler(UiThread.get().getLooper(), null, true) {

        @Override

        public void handleMessage(Message msg) {

            final Context context = mService.mContext;

            final NotificationManager notifManager = context

                    .getSystemService(NotificationManager.class);



            switch (msg.what) {

                case MSG_SHOW:

                    final CharSequence title = context

                            .getText(R.string.android_upgrading_notification_title);

                    final CharSequence message = context

                            .getText(R.string.android_upgrading_notification_body);

                    final Notification notif = new Notification.Builder(mService.mContext)

                            .setSmallIcon(R.drawable.stat_sys_adb)

                            .setWhen(0)

                            .setOngoing(true)

                            .setTicker(title)

                            .setDefaults(0)

                            .setPriority(Notification.PRIORITY_MAX)

                            .setColor(context.getColor(

                                    com.android.internal.R.color.system_notification_accent_color))

                            .setContentTitle(title)

                            .setContentText(message)

                            .setVisibility(Notification.VISIBILITY_PUBLIC)

                            .build();

                    notifManager.notifyAsUser(TAG, 0, notif, UserHandle.of(mUserId));

                    break;



                case MSG_HIDE:

                    notifManager.cancelAsUser(TAG, 0, UserHandle.of(mUserId));

                    break;

            }

        }

    };



    public abstract void onFinished();

}