Gallery2: Try to open existing camera

Do not just open Camera2, just open any existing cam
Also get rid of context parameter as it's unused

(Reference: BugReports 13-20160506-12 Line #5)

Change-Id: I120a1561aeceda2fc23721aa2ff4d68710fab76c
diff --git a/src/com/android/camera/CameraActivity.java b/src/com/android/camera/CameraActivity.java
index b74af47..9462aed 100644
--- a/src/com/android/camera/CameraActivity.java
+++ b/src/com/android/camera/CameraActivity.java
@@ -15,6 +15,7 @@
  */
 package com.android.camera;
 
+import com.android.gallery3d.util.GalleryUtils;
 import com.android.gallery3d.util.IntentHelper;
 
 import android.app.Activity;
@@ -26,13 +27,16 @@
     @Override
     public void onCreate(Bundle icicle) {
         super.onCreate(icicle);
-        Intent intent = IntentHelper.getCameraIntent(CameraActivity.this);
-        // Since this is being launched from a homescreen shorcut,
-        // it's already in a new task. Start Camera activity and
-        // reset the task to its initial state if needed.
-        intent.setFlags(Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
-        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-        startActivity(intent);
+
+        if (GalleryUtils.isCameraAvailable(CameraActivity.this)) {
+            Intent intent = IntentHelper.getCameraIntent();
+            // Since this is being launched from a homescreen shorcut,
+            // it's already in a new task. Start Camera activity and
+            // reset the task to its initial state if needed.
+            intent.setFlags(Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
+            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+            startActivity(intent);
+        }
         finish();
     }
 }
diff --git a/src/com/android/gallery3d/app/Gallery.java b/src/com/android/gallery3d/app/Gallery.java
index fd9097d..df3c0f9 100644
--- a/src/com/android/gallery3d/app/Gallery.java
+++ b/src/com/android/gallery3d/app/Gallery.java
@@ -26,7 +26,7 @@
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        Intent intent = IntentHelper.getGalleryIntent(Gallery.this);
+        Intent intent = IntentHelper.getGalleryIntent();
         // Since this is being launched from a homescreen shortcut,
         // it's already in a new task. Start Gallery activity and
         // reset the task to its initial state if needed.
diff --git a/src/com/android/gallery3d/util/GalleryUtils.java b/src/com/android/gallery3d/util/GalleryUtils.java
index ee355b4..c62442d 100644
--- a/src/com/android/gallery3d/util/GalleryUtils.java
+++ b/src/com/android/gallery3d/util/GalleryUtils.java
@@ -239,7 +239,7 @@
     public static boolean isCameraAvailable(Context context) {
         if (sCameraAvailableInitialized) return sCameraAvailable;
         PackageManager pm = context.getPackageManager();
-        Intent cameraIntent = IntentHelper.getCameraIntent(context);
+        Intent cameraIntent = IntentHelper.getCameraIntent();
         List<ResolveInfo> apps = pm.queryIntentActivities(cameraIntent, 0);
         sCameraAvailableInitialized = true;
         sCameraAvailable = !apps.isEmpty();
diff --git a/src_pd/com/android/gallery3d/util/IntentHelper.java b/src_pd/com/android/gallery3d/util/IntentHelper.java
index 8aebfc1..d0fb59a 100644
--- a/src_pd/com/android/gallery3d/util/IntentHelper.java
+++ b/src_pd/com/android/gallery3d/util/IntentHelper.java
@@ -15,17 +15,16 @@
  */
 package com.android.gallery3d.util;
 
-import android.content.Context;
 import android.content.Intent;
+import android.provider.MediaStore;
 
 public class IntentHelper {
 
-    public static Intent getCameraIntent(Context context) {
-        return new Intent(Intent.ACTION_MAIN)
-            .setClassName("com.android.camera2", "com.android.camera.CameraLauncher");
+    public static Intent getCameraIntent() {
+        return new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA);
     }
 
-    public static Intent getGalleryIntent(Context context) {
+    public static Intent getGalleryIntent() {
         return new Intent(Intent.ACTION_MAIN)
             .setClassName("com.android.gallery3d", "com.android.gallery3d.app.GalleryActivity");
     }