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Diffstat (limited to 'src/com/android/camera/CameraButtonIntentReceiver.java')
-rw-r--r-- | src/com/android/camera/CameraButtonIntentReceiver.java | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/src/com/android/camera/CameraButtonIntentReceiver.java b/src/com/android/camera/CameraButtonIntentReceiver.java new file mode 100644 index 000000000..a65942d57 --- /dev/null +++ b/src/com/android/camera/CameraButtonIntentReceiver.java @@ -0,0 +1,53 @@ +/* + * Copyright (C) 2007 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.android.camera; + +import android.content.BroadcastReceiver; +import android.content.Context; +import android.content.Intent; + +/** + * {@code CameraButtonIntentReceiver} is invoked when the camera button is + * long-pressed. + * + * It is declared in {@code AndroidManifest.xml} to receive the + * {@code android.intent.action.CAMERA_BUTTON} intent. + * + * After making sure we can use the camera hardware, it starts the Camera + * activity. + */ +public class CameraButtonIntentReceiver extends BroadcastReceiver { + + @Override + public void onReceive(Context context, Intent intent) { + // Try to get the camera hardware + CameraHolder holder = CameraHolder.instance(); + ComboPreferences pref = new ComboPreferences(context); + int cameraId = CameraSettings.readPreferredCameraId(pref); + if (holder.tryOpen(cameraId) == null) return; + + // We are going to launch the camera, so hold the camera for later use + holder.keep(); + holder.release(); + Intent i = new Intent(Intent.ACTION_MAIN); + i.setClass(context, CameraActivity.class); + i.addCategory(Intent.CATEGORY_LAUNCHER); + i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK + | Intent.FLAG_ACTIVITY_CLEAR_TOP); + context.startActivity(i); + } +} |