Michael Kolb | 8872c23 | 2013-01-29 10:33:22 -0800 | [diff] [blame] | 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 | |
| 17 | package com.android.camera; |
| 18 | |
| 19 | import android.content.BroadcastReceiver; |
| 20 | import android.content.Context; |
| 21 | import android.content.Intent; |
| 22 | |
| 23 | /** |
| 24 | * {@code CameraButtonIntentReceiver} is invoked when the camera button is |
| 25 | * long-pressed. |
| 26 | * |
| 27 | * It is declared in {@code AndroidManifest.xml} to receive the |
| 28 | * {@code android.intent.action.CAMERA_BUTTON} intent. |
| 29 | * |
| 30 | * After making sure we can use the camera hardware, it starts the Camera |
| 31 | * activity. |
| 32 | */ |
| 33 | public class CameraButtonIntentReceiver extends BroadcastReceiver { |
| 34 | |
| 35 | @Override |
| 36 | public void onReceive(Context context, Intent intent) { |
| 37 | // Try to get the camera hardware |
| 38 | CameraHolder holder = CameraHolder.instance(); |
| 39 | ComboPreferences pref = new ComboPreferences(context); |
| 40 | int cameraId = CameraSettings.readPreferredCameraId(pref); |
| 41 | if (holder.tryOpen(cameraId) == null) return; |
| 42 | |
| 43 | // We are going to launch the camera, so hold the camera for later use |
| 44 | holder.keep(); |
| 45 | holder.release(); |
| 46 | Intent i = new Intent(Intent.ACTION_MAIN); |
| 47 | i.setClass(context, CameraActivity.class); |
| 48 | i.addCategory(Intent.CATEGORY_LAUNCHER); |
| 49 | i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK |
| 50 | | Intent.FLAG_ACTIVITY_CLEAR_TOP); |
| 51 | context.startActivity(i); |
| 52 | } |
| 53 | } |