ProgressService.java revision ac5e6eee61916fc3fa1a25ed4ef7ae92a1c9323c 
1/*
2 * Copyright (C) 2013 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.example.notificationshowcase;
18
19import android.app.IntentService;
20import android.app.NotificationManager;
21import android.app.PendingIntent;
22import android.content.Context;
23import android.content.Intent;
24import android.os.Handler;
25import android.util.Log;
26
27public class ProgressService extends IntentService {
28
29    private static final String TAG = "ProgressService";
30
31    private static final String ACTION_PROGRESS = "progress";
32    private static final String ACTION_SILENT = "silent";
33
34    private static ProgressService.UpdateRunnable mUpdateRunnable;
35
36    private Handler mHandler;
37
38    public ProgressService() {
39        super(TAG);
40    }
41    public ProgressService(String name) {
42        super(name);
43    }
44
45    class UpdateRunnable implements Runnable {
46
47        private final int mId;
48        private final long mWhen;
49        private int mProgress;
50
51        UpdateRunnable(int id, long when, int progress) {
52            mId = NotificationService.NOTIFICATION_ID + id;
53            mWhen = when;
54            mProgress = progress;
55        }
56
57        @Override
58        public void run() {
59            NotificationManager noMa = (NotificationManager)
60                    getSystemService(Context.NOTIFICATION_SERVICE);
61            if (mUpdateRunnable != null) {
62                Log.v(TAG, "id: " + mId + " when: " + mWhen + " progress: " + mProgress);
63                noMa.notify(mId, NotificationService.makeUploadNotification(
64                        ProgressService.this, mProgress, mWhen));
65                mProgress += 2;
66                if (mProgress <= 100) {
67                    mHandler.postDelayed(mUpdateRunnable, 100);
68                }
69            } else {
70                noMa.cancel(mId);
71                Log.d(TAG, "mUpdateRunnable is null ");
72            }
73        }
74    }
75
76    @Override
77    public int onStartCommand(Intent intent, int flags, int startId) {
78        mHandler = new Handler();
79        return super.onStartCommand(intent, flags, startId);
80    }
81
82
83    @Override
84    protected void onHandleIntent(Intent intent) {
85        Log.d(TAG, "onHandleIntent " + intent.getAction());
86        if (ACTION_PROGRESS.equals(intent.getAction())) {
87            final int id = intent.getIntExtra("id", 0);
88            final long when = intent.getLongExtra("when", 0L);
89            int progress = intent.getIntExtra("progress", 0);
90            mUpdateRunnable = new UpdateRunnable(id, when, progress);
91            mHandler.postDelayed(mUpdateRunnable, 1000);
92        } else if (ACTION_SILENT.equals(intent.getAction())) {
93            Log.d(TAG, "cancelling ");
94            if (mUpdateRunnable != null) {
95                mUpdateRunnable = null;
96            }
97        }
98    }
99
100    public static void startProgressUpdater(Context context, int id, long when, int progress) {
101        Intent progressIntent = new Intent(context, ProgressService.class);
102        progressIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
103        progressIntent.setAction(ACTION_PROGRESS);
104        progressIntent.putExtra("id", id);
105        progressIntent.putExtra("when", when);
106        progressIntent.putExtra("progress", progress);
107        context.startService(progressIntent);
108    }
109
110    public static PendingIntent getSilencePendingIntent(Context context) {
111        Log.d(TAG, "getSilencePendingIntent ");
112        Intent silenceIntent = new Intent(context, ProgressService.class);
113        silenceIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
114        silenceIntent.setAction(ACTION_SILENT);
115        PendingIntent pi = PendingIntent.getService(
116                context, 0, silenceIntent, PendingIntent.FLAG_UPDATE_CURRENT);
117        return pi;
118    }
119}
120