Add (back) receiver to disable camera.
Bug: 10411981
Change-Id: Icff31d2da466746ef6b00d4be32e92067cebd1f1
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index a8ffe43..e7da0be 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -337,6 +337,13 @@
</intent-filter>
</activity>
<service android:name="com.android.gallery3d.app.BatchService" />
+
+ <receiver android:name="com.android.camera.DisableCameraReceiver">
+ <intent-filter>
+ <action android:name="android.intent.action.BOOT_COMPLETED" />
+ </intent-filter>
+ </receiver>
+
<service android:name="com.android.camera.MediaSaveService" />
</application>
</manifest>
diff --git a/src/com/android/camera/DisableCameraReceiver.java b/src/com/android/camera/DisableCameraReceiver.java
new file mode 100644
index 0000000..d51d6b9
--- /dev/null
+++ b/src/com/android/camera/DisableCameraReceiver.java
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2012 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.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.hardware.Camera.CameraInfo;
+import android.util.Log;
+
+// We want to disable camera-related activities if there is no camera. This
+// receiver runs when BOOT_COMPLETED intent is received. After running once
+// this receiver will be disabled, so it will not run again.
+public class DisableCameraReceiver extends BroadcastReceiver {
+ private static final String TAG = "G:DisableCameraReceiver";
+ private static final boolean CHECK_BACK_CAMERA_ONLY = true;
+ private static final String ACTIVITIES[] = {
+ "com.android.camera.CameraLauncher",
+ };
+
+ @Override
+ public void onReceive(Context context, Intent intent) {
+ // Disable camera-related activities if there is no camera.
+ boolean needCameraActivity = CHECK_BACK_CAMERA_ONLY
+ ? hasBackCamera()
+ : hasCamera();
+
+ if (!needCameraActivity) {
+ Log.i(TAG, "disable all camera activities");
+ for (int i = 0; i < ACTIVITIES.length; i++) {
+ disableComponent(context, ACTIVITIES[i]);
+ }
+ }
+
+ // Disable this receiver so it won't run again.
+ disableComponent(context, "com.android.camera.DisableCameraReceiver");
+ }
+
+ private boolean hasCamera() {
+ int n = android.hardware.Camera.getNumberOfCameras();
+ Log.i(TAG, "number of camera: " + n);
+ return (n > 0);
+ }
+
+ private boolean hasBackCamera() {
+ int n = android.hardware.Camera.getNumberOfCameras();
+ CameraInfo info = new CameraInfo();
+ for (int i = 0; i < n; i++) {
+ android.hardware.Camera.getCameraInfo(i, info);
+ if (info.facing == CameraInfo.CAMERA_FACING_BACK) {
+ Log.i(TAG, "back camera found: " + i);
+ return true;
+ }
+ }
+ Log.i(TAG, "no back camera");
+ return false;
+ }
+
+ private void disableComponent(Context context, String klass) {
+ ComponentName name = new ComponentName(context, klass);
+ PackageManager pm = context.getPackageManager();
+
+ // We need the DONT_KILL_APP flag, otherwise we will be killed
+ // immediately because we are in the same app.
+ pm.setComponentEnabledSetting(name,
+ PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
+ PackageManager.DONT_KILL_APP);
+ }
+}
diff --git a/src/com/android/gallery3d/util/GalleryUtils.java b/src/com/android/gallery3d/util/GalleryUtils.java
index 9245e2c..c25a2fc 100644
--- a/src/com/android/gallery3d/util/GalleryUtils.java
+++ b/src/com/android/gallery3d/util/GalleryUtils.java
@@ -238,9 +238,7 @@
ComponentName name = new ComponentName(context, CAMERA_LAUNCHER_NAME);
int state = pm.getComponentEnabledSetting(name);
sCameraAvailableInitialized = true;
- sCameraAvailable =
- (state == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT)
- || (state == PackageManager.COMPONENT_ENABLED_STATE_ENABLED);
+ sCameraAvailable = (state == PackageManager.COMPONENT_ENABLED_STATE_ENABLED);
return sCameraAvailable;
}