SystemUIService.java revision dc2ddd7e3e1b6a4f3ecc24a0a05d17a4e89cef28 
1/*
2 * Copyright (C) 2010 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.systemui;
18
19import android.app.Service;
20import android.content.Intent;
21import android.os.Build;
22import android.os.IBinder;
23import android.os.Process;
24import android.os.SystemProperties;
25import android.util.Slog;
26
27import java.io.FileDescriptor;
28import java.io.PrintWriter;
29
30import com.android.internal.os.BinderInternal;
31
32public class SystemUIService extends Service {
33
34    @Override
35    public void onCreate() {
36        super.onCreate();
37        ((SystemUIApplication) getApplication()).startServicesIfNeeded();
38
39        // For debugging RescueParty
40        if (Build.IS_DEBUGGABLE && SystemProperties.getBoolean("debug.crash_sysui", false)) {
41            throw new RuntimeException();
42        }
43
44        if (Build.IS_DEBUGGABLE) {
45            // b/71353150 - looking for leaked binder proxies
46            BinderInternal.nSetBinderProxyCountEnabled(true);
47            BinderInternal.nSetBinderProxyCountWatermarks(1000,900);
48            BinderInternal.setBinderProxyCountCallback(
49                    new BinderInternal.BinderProxyLimitListener() {
50                        @Override
51                        public void onLimitReached(int uid) {
52                            Slog.w(SystemUIApplication.TAG,
53                                    "uid " + uid + " sent too many Binder proxies to uid "
54                                    + Process.myUid());
55                        }
56                    }, Dependency.get(Dependency.MAIN_HANDLER));
57        }
58    }
59
60    @Override
61    public IBinder onBind(Intent intent) {
62        return null;
63    }
64
65    @Override
66    protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
67        SystemUI[] services = ((SystemUIApplication) getApplication()).getServices();
68        if (args == null || args.length == 0) {
69            for (SystemUI ui: services) {
70                pw.println("dumping service: " + ui.getClass().getName());
71                ui.dump(fd, pw, args);
72            }
73        } else {
74            String svc = args[0];
75            for (SystemUI ui: services) {
76                String name = ui.getClass().getName();
77                if (name.endsWith(svc)) {
78                    ui.dump(fd, pw, args);
79                }
80            }
81        }
82    }
83}
84
85