1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License 15 */ 16 17 package com.android.systemui.util.leak; 18 19 import static com.android.systemui.Dependency.LEAK_REPORT_EMAIL_NAME; 20 21 import android.annotation.Nullable; 22 import android.app.Notification; 23 import android.app.NotificationChannel; 24 import android.app.NotificationManager; 25 import android.app.PendingIntent; 26 import android.content.ClipData; 27 import android.content.Context; 28 import android.content.Intent; 29 import android.net.Uri; 30 import android.os.Debug; 31 import android.os.SystemProperties; 32 import android.os.UserHandle; 33 import android.util.Log; 34 35 import androidx.core.content.FileProvider; 36 37 import com.android.systemui.dagger.SysUISingleton; 38 39 import com.google.android.collect.Lists; 40 41 import java.io.File; 42 import java.io.FileOutputStream; 43 import java.io.IOException; 44 import java.io.PrintWriter; 45 import java.util.ArrayList; 46 47 import javax.inject.Inject; 48 import javax.inject.Named; 49 50 /** 51 * Dumps data to debug leaks and posts a notification to share the data. 52 */ 53 @SysUISingleton 54 public class LeakReporter { 55 56 static final String TAG = "LeakReporter"; 57 58 public static final String FILEPROVIDER_AUTHORITY = "com.android.systemui.fileprovider"; 59 60 static final String LEAK_DIR = "leak"; 61 static final String LEAK_HPROF = "leak.hprof"; 62 static final String LEAK_DUMP = "leak.dump"; 63 64 private final Context mContext; 65 private final LeakDetector mLeakDetector; 66 private final String mLeakReportEmail; 67 68 @Inject LeakReporter(Context context, LeakDetector leakDetector, @Nullable @Named(LEAK_REPORT_EMAIL_NAME) String leakReportEmail)69 public LeakReporter(Context context, LeakDetector leakDetector, 70 @Nullable @Named(LEAK_REPORT_EMAIL_NAME) String leakReportEmail) { 71 mContext = context; 72 mLeakDetector = leakDetector; 73 mLeakReportEmail = leakReportEmail; 74 } 75 dumpLeak(int garbageCount)76 public void dumpLeak(int garbageCount) { 77 try { 78 File leakDir = new File(mContext.getCacheDir(), LEAK_DIR); 79 leakDir.mkdir(); 80 81 File hprofFile = new File(leakDir, LEAK_HPROF); 82 Debug.dumpHprofData(hprofFile.getAbsolutePath()); 83 84 File dumpFile = new File(leakDir, LEAK_DUMP); 85 try (FileOutputStream fos = new FileOutputStream(dumpFile)) { 86 PrintWriter w = new PrintWriter(fos); 87 w.print("Build: "); w.println(SystemProperties.get("ro.build.description")); 88 w.println(); 89 w.flush(); 90 mLeakDetector.dump(fos.getFD(), w, new String[0]); 91 w.close(); 92 } 93 94 NotificationManager notiMan = mContext.getSystemService(NotificationManager.class); 95 96 NotificationChannel channel = new NotificationChannel("leak", "Leak Alerts", 97 NotificationManager.IMPORTANCE_HIGH); 98 channel.enableVibration(true); 99 100 notiMan.createNotificationChannel(channel); 101 Notification.Builder builder = new Notification.Builder(mContext, channel.getId()) 102 .setAutoCancel(true) 103 .setShowWhen(true) 104 .setContentTitle("Memory Leak Detected") 105 .setContentText(String.format( 106 "SystemUI has detected %d leaked objects. Tap to send", garbageCount)) 107 .setSmallIcon(com.android.internal.R.drawable.stat_sys_adb) 108 .setContentIntent(PendingIntent.getActivityAsUser( 109 mContext, 110 0, 111 getIntent(hprofFile, dumpFile), 112 PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_IMMUTABLE, 113 null, 114 UserHandle.CURRENT)); 115 notiMan.notify(TAG, 0, builder.build()); 116 } catch (IOException e) { 117 Log.e(TAG, "Couldn't dump heap for leak", e); 118 } 119 } 120 getIntent(File hprofFile, File dumpFile)121 private Intent getIntent(File hprofFile, File dumpFile) { 122 Uri dumpUri = FileProvider.getUriForFile(mContext, FILEPROVIDER_AUTHORITY, dumpFile); 123 Uri hprofUri = FileProvider.getUriForFile(mContext, FILEPROVIDER_AUTHORITY, hprofFile); 124 125 Intent intent = new Intent(Intent.ACTION_SEND_MULTIPLE); 126 String mimeType = "application/vnd.android.leakreport"; 127 128 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 129 intent.addCategory(Intent.CATEGORY_DEFAULT); 130 intent.setType(mimeType); 131 132 final String subject = "SystemUI leak report"; 133 intent.putExtra(Intent.EXTRA_SUBJECT, subject); 134 135 // EXTRA_TEXT should be an ArrayList, but some clients are expecting a single String. 136 // So, to avoid an exception on Intent.migrateExtraStreamToClipData(), we need to manually 137 // create the ClipData object with the attachments URIs. 138 final StringBuilder messageBody = new StringBuilder("Build info: ") 139 .append(SystemProperties.get("ro.build.description")); 140 intent.putExtra(Intent.EXTRA_TEXT, messageBody.toString()); 141 final ClipData clipData = new ClipData(null, new String[] { mimeType }, 142 new ClipData.Item(null, null, null, dumpUri)); 143 final ArrayList<Uri> attachments = Lists.newArrayList(dumpUri); 144 145 clipData.addItem(new ClipData.Item(null, null, null, hprofUri)); 146 attachments.add(hprofUri); 147 148 intent.setClipData(clipData); 149 intent.putParcelableArrayListExtra(Intent.EXTRA_STREAM, attachments); 150 151 String leakReportEmail = mLeakReportEmail; 152 if (leakReportEmail != null) { 153 intent.putExtra(Intent.EXTRA_EMAIL, new String[] { leakReportEmail }); 154 } 155 156 return intent; 157 } 158 } 159