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      1 /*
      2  * Copyright (C) 2015 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.internal.app;
     18 
     19 import android.app.Activity;
     20 import android.app.ActivityManager;
     21 import android.app.AlertDialog;
     22 import android.content.ActivityNotFoundException;
     23 import android.content.ClipData;
     24 import android.content.DialogInterface;
     25 import android.content.Intent;
     26 import android.net.Uri;
     27 import android.os.Bundle;
     28 import android.util.DebugUtils;
     29 import android.util.Slog;
     30 
     31 /**
     32  * This activity is displayed when the system has collected a heap dump from
     33  * a large process and the user has selected to share it.
     34  */
     35 public class DumpHeapActivity extends Activity {
     36     /** The process we are reporting */
     37     public static final String KEY_PROCESS = "process";
     38     /** The size limit the process reached */
     39     public static final String KEY_SIZE = "size";
     40     /** Optional name of package to directly launch */
     41     public static final String KEY_DIRECT_LAUNCH = "direct_launch";
     42 
     43     // Broadcast action to determine when to delete the current dump heap data.
     44     public static final String ACTION_DELETE_DUMPHEAP = "com.android.server.am.DELETE_DUMPHEAP";
     45 
     46     // Extra for above: delay delete of data, since the user is in the process of sharing it.
     47     public static final String EXTRA_DELAY_DELETE = "delay_delete";
     48 
     49     static final public Uri JAVA_URI = Uri.parse("content://com.android.server.heapdump/java");
     50 
     51     String mProcess;
     52     long mSize;
     53     AlertDialog mDialog;
     54     boolean mHandled = false;
     55 
     56     @Override
     57     protected void onCreate(Bundle savedInstanceState) {
     58         super.onCreate(savedInstanceState);
     59 
     60         mProcess = getIntent().getStringExtra(KEY_PROCESS);
     61         mSize = getIntent().getLongExtra(KEY_SIZE, 0);
     62 
     63         String directLaunch = getIntent().getStringExtra(KEY_DIRECT_LAUNCH);
     64         if (directLaunch != null) {
     65             Intent intent = new Intent(ActivityManager.ACTION_REPORT_HEAP_LIMIT);
     66             intent.setPackage(directLaunch);
     67             ClipData clip = ClipData.newUri(getContentResolver(), "Heap Dump", JAVA_URI);
     68             intent.setClipData(clip);
     69             intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
     70             intent.setType(clip.getDescription().getMimeType(0));
     71             intent.putExtra(Intent.EXTRA_STREAM, JAVA_URI);
     72             try {
     73                 startActivity(intent);
     74                 scheduleDelete();
     75                 mHandled = true;
     76                 finish();
     77                 return;
     78             } catch (ActivityNotFoundException e) {
     79                 Slog.i("DumpHeapActivity", "Unable to direct launch to " + directLaunch
     80                         + ": " + e.getMessage());
     81             }
     82         }
     83 
     84         AlertDialog.Builder b = new AlertDialog.Builder(this,
     85                 android.R.style.Theme_Material_Light_Dialog_Alert);
     86         b.setTitle(com.android.internal.R.string.dump_heap_title);
     87         b.setMessage(getString(com.android.internal.R.string.dump_heap_text,
     88                 mProcess, DebugUtils.sizeValueToString(mSize, null)));
     89         b.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
     90             @Override
     91             public void onClick(DialogInterface dialog, int which) {
     92                 mHandled = true;
     93                 sendBroadcast(new Intent(ACTION_DELETE_DUMPHEAP));
     94                 finish();
     95             }
     96         });
     97         b.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
     98             @Override
     99             public void onClick(DialogInterface dialog, int which) {
    100                 mHandled = true;
    101                 scheduleDelete();
    102                 Intent intent = new Intent(Intent.ACTION_SEND);
    103                 ClipData clip = ClipData.newUri(getContentResolver(), "Heap Dump", JAVA_URI);
    104                 intent.setClipData(clip);
    105                 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
    106                 intent.setType(clip.getDescription().getMimeType(0));
    107                 intent.putExtra(Intent.EXTRA_STREAM, JAVA_URI);
    108                 startActivity(Intent.createChooser(intent,
    109                         getText(com.android.internal.R.string.dump_heap_title)));
    110                 finish();
    111         }
    112         });
    113         mDialog = b.show();
    114     }
    115 
    116     void scheduleDelete() {
    117         Intent broadcast = new Intent(ACTION_DELETE_DUMPHEAP);
    118         broadcast.putExtra(EXTRA_DELAY_DELETE, true);
    119         sendBroadcast(broadcast);
    120     }
    121 
    122     @Override
    123     protected void onStop() {
    124         super.onStop();
    125         if (!isChangingConfigurations()) {
    126             if (!mHandled) {
    127                 sendBroadcast(new Intent(ACTION_DELETE_DUMPHEAP));
    128             }
    129         }
    130     }
    131 
    132     @Override
    133     protected void onDestroy() {
    134         super.onDestroy();
    135         mDialog.dismiss();
    136     }
    137 }
    138