DumpHeapActivity.java revision b9a5e4ad30c9add140fd13491419ae66e947809d 
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
17package com.android.internal.app;
18
19import android.app.Activity;
20import android.app.AlertDialog;
21import android.content.ClipData;
22import android.content.DialogInterface;
23import android.content.Intent;
24import android.net.Uri;
25import android.os.Bundle;
26import android.util.DebugUtils;
27
28/**
29 * This activity is displayed when the system has collected a heap dump from
30 * a large process and the user has selected to share it.
31 */
32public class DumpHeapActivity extends Activity {
33    /** The process we are reporting */
34    public static final String KEY_PROCESS = "process";
35    /** The size limit the process reached */
36    public static final String KEY_SIZE = "size";
37
38    // Broadcast action to determine when to delete the current dump heap data.
39    public static final String ACTION_DELETE_DUMPHEAP = "com.android.server.am.DELETE_DUMPHEAP";
40
41    // Extra for above: delay delete of data, since the user is in the process of sharing it.
42    public static final String EXTRA_DELAY_DELETE = "delay_delete";
43
44    static final public Uri JAVA_URI = Uri.parse("content://com.android.server.heapdump/java");
45
46    String mProcess;
47    long mSize;
48    AlertDialog mDialog;
49    boolean mHandled = false;
50
51    @Override
52    protected void onCreate(Bundle savedInstanceState) {
53        super.onCreate(savedInstanceState);
54
55        mProcess = getIntent().getStringExtra(KEY_PROCESS);
56        mSize = getIntent().getLongExtra(KEY_SIZE, 0);
57        AlertDialog.Builder b = new AlertDialog.Builder(this,
58                android.R.style.Theme_Material_Light_Dialog_Alert);
59        b.setTitle(com.android.internal.R.string.dump_heap_title);
60        b.setMessage(getString(com.android.internal.R.string.dump_heap_text,
61                mProcess, DebugUtils.sizeValueToString(mSize, null)));
62        b.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
63            @Override
64            public void onClick(DialogInterface dialog, int which) {
65                mHandled = true;
66                sendBroadcast(new Intent(ACTION_DELETE_DUMPHEAP));
67                finish();
68            }
69        });
70        b.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
71            @Override
72            public void onClick(DialogInterface dialog, int which) {
73                mHandled = true;
74                Intent broadcast = new Intent(ACTION_DELETE_DUMPHEAP);
75                broadcast.putExtra(EXTRA_DELAY_DELETE, true);
76                sendBroadcast(broadcast);
77                Intent intent = new Intent(Intent.ACTION_SEND);
78                ClipData clip = ClipData.newUri(getContentResolver(), "Heap Dump", JAVA_URI);
79                intent.setClipData(clip);
80                intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
81                intent.setType(clip.getDescription().getMimeType(0));
82                intent.putExtra(Intent.EXTRA_STREAM, JAVA_URI);
83                startActivity(Intent.createChooser(intent,
84                        getText(com.android.internal.R.string.dump_heap_title)));
85                finish();
86        }
87        });
88        mDialog = b.show();
89    }
90
91    @Override
92    protected void onStop() {
93        super.onStop();
94        if (!isChangingConfigurations()) {
95            if (!mHandled) {
96                sendBroadcast(new Intent(ACTION_DELETE_DUMPHEAP));
97            }
98        }
99    }
100
101    @Override
102    protected void onDestroy() {
103        super.onDestroy();
104        mDialog.dismiss();
105    }
106}
107