Fix 5337207: Out of memory adding Title to video clip

- Add "largeHeap" to Manifest.
- Remove background drawables if they are unused in the paticular layout.
- Drop project thumbnails cache after the activity is paused.

Change-Id: I720616e3397a712f0b0f476e1ff1f58ccfbf7c9a

1 files changed, 1 insertions, 3 deletions

diff --git a/src/com/android/videoeditor/ProjectsActivity.java b/src/com/android/videoeditor/ProjectsActivity.java
index e776928..ad8ec70 100644
--- a/src/com/android/videoeditor/ProjectsActivity.java
+++ b/src/com/android/videoeditor/ProjectsActivity.java
@@ -160,9 +160,7 @@ public class ProjectsActivity extends NoSearchActivity {
     public void onPause() {
         super.onPause();
         ApiService.unregisterListener(mProjectsLoadedListener);
-        if (mAdapter != null) {
-            mAdapter.clear();
-        }
+        mAdapter = null;
         mGridView.setAdapter(null);
     }