CameraButtonIntentReceiver.java revision 3f3c857e3f34650c15d764810335024654b0fcc3 
1/*
2 * Copyright (C) 2007 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.camera;
18
19import android.content.BroadcastReceiver;
20import android.content.Context;
21import android.content.Intent;
22
23public class CameraButtonIntentReceiver extends BroadcastReceiver {
24    public CameraButtonIntentReceiver() {
25    }
26
27    @Override
28    public void onReceive(Context context, Intent intent) {
29        // Try to get the camera hardware
30        try {
31            CameraHolder holder = CameraHolder.instance();
32            android.hardware.Camera device = holder.open();
33            holder.keep();
34            holder.release();
35        } catch (CameraHardwareException e) {
36            // ignore the event if camera hardware cannot be connected
37            return;
38        }
39        Intent i = new Intent(Intent.ACTION_MAIN);
40        i.setClass(context, Camera.class);
41        i.addCategory("android.intent.category.LAUNCHER");
42        i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
43        context.startActivity(i);
44    }
45}
46