diff --git a/WallpaperPicker/res/layout/actionbar_set_wallpaper.xml b/WallpaperPicker/res/layout/actionbar_set_wallpaper.xml
index 1622742..2a0188a 100644
--- a/WallpaperPicker/res/layout/actionbar_set_wallpaper.xml
+++ b/WallpaperPicker/res/layout/actionbar_set_wallpaper.xml
@@ -20,6 +20,7 @@
 
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     style="?android:actionButtonStyle"
+    android:id="@+id/set_wallpaper_button"
     android:layout_width="match_parent"
     android:layout_height="match_parent" >
     <TextView style="?android:actionBarTabTextStyle"
diff --git a/WallpaperPicker/src/com/android/launcher3/WallpaperCropActivity.java b/WallpaperPicker/src/com/android/launcher3/WallpaperCropActivity.java
index ee7b819..23fbe73 100644
--- a/WallpaperPicker/src/com/android/launcher3/WallpaperCropActivity.java
+++ b/WallpaperPicker/src/com/android/launcher3/WallpaperCropActivity.java
@@ -75,6 +75,7 @@
 
     protected CropView mCropView;
     protected Uri mUri;
+    private View mSetWallpaperButton;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -111,10 +112,12 @@
                         cropImageAndSetWallpaper(imageUri, null, finishActivityWhenDone);
                     }
                 });
+        mSetWallpaperButton = findViewById(R.id.set_wallpaper_button);
 
         // Load image in background
         final BitmapRegionTileSource.UriBitmapSource bitmapSource =
                 new BitmapRegionTileSource.UriBitmapSource(this, imageUri, 1024);
+        mSetWallpaperButton.setVisibility(View.INVISIBLE);
         Runnable onLoad = new Runnable() {
             public void run() {
                 if (bitmapSource.getLoadingState() != BitmapSource.State.LOADED) {
@@ -122,6 +125,8 @@
                             getString(R.string.wallpaper_load_fail),
                             Toast.LENGTH_LONG).show();
                     finish();
+                } else {
+                    mSetWallpaperButton.setVisibility(View.VISIBLE);
                 }
             }
         };
@@ -271,6 +276,9 @@
             }
         } catch (IOException e) {
             Log.w(LOGTAG, "Getting exif data failed", e);
+        } catch (NullPointerException e) {
+            // Sometimes the ExifInterface has an internal NPE if Exif data isn't valid
+            Log.w(LOGTAG, "Getting exif data failed", e);
         } finally {
             Utils.closeSilently(bis);
             Utils.closeSilently(is);
diff --git a/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java b/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java
index c54e477..aa43def 100644
--- a/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java
+++ b/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java
@@ -90,6 +90,7 @@
     private static final String DEFAULT_WALLPAPER_THUMBNAIL_FILENAME = "default_thumb2.jpg";
 
     private View mSelectedTile;
+    private View mSetWallpaperButton;
     private boolean mIgnoreNextTap;
     private OnClickListener mThumbnailOnClickListener;
 
@@ -146,11 +147,13 @@
                 onLoad = null;
             } else {
                 mFirstClick = false;
+                a.mSetWallpaperButton.setVisibility(View.INVISIBLE);
                 onLoad = new Runnable() {
                     public void run() {
                         if (mBitmapSource != null &&
                                 mBitmapSource.getLoadingState() == BitmapSource.State.LOADED) {
                             a.selectTile(mView);
+                            a.mSetWallpaperButton.setVisibility(View.VISIBLE);
                         } else {
                             ViewGroup parent = (ViewGroup) mView.getParent();
                             if (parent != null) {
@@ -466,6 +469,7 @@
                         }
                     }
                 });
+        mSetWallpaperButton = findViewById(R.id.set_wallpaper_button);
 
         // CAB for deleting items
         mActionModeCallback = new ActionMode.Callback() {
diff --git a/WallpaperPicker/src/com/android/photos/BitmapRegionTileSource.java b/WallpaperPicker/src/com/android/photos/BitmapRegionTileSource.java
index cdc5cdc..764156d 100644
--- a/WallpaperPicker/src/com/android/photos/BitmapRegionTileSource.java
+++ b/WallpaperPicker/src/com/android/photos/BitmapRegionTileSource.java
@@ -245,6 +245,9 @@
             try {
                 ei.readExif(mPath);
                 return true;
+            } catch (NullPointerException e) {
+                Log.w("BitmapRegionTileSource", "reading exif failed", e);
+                return false;
             } catch (IOException e) {
                 Log.w("BitmapRegionTileSource", "getting decoder failed", e);
                 return false;
@@ -311,6 +314,9 @@
             } catch (IOException e) {
                 Log.e("BitmapRegionTileSource", "Failed to load URI " + mUri, e);
                 return false;
+            } catch (NullPointerException e) {
+                Log.e("BitmapRegionTileSource", "Failed to read EXIF for URI " + mUri, e);
+                return false;
             } finally {
                 Utils.closeSilently(is);
             }
diff --git a/res/values-be/strings.xml b/res/values-be/strings.xml
index 2465534..2015158 100644
--- a/res/values-be/strings.xml
+++ b/res/values-be/strings.xml
@@ -26,6 +26,27 @@
     <!-- no translation found for uid_name (7820867637514617527) -->
     <skip />
     <string name="folder_name" msgid="7371454440695724752"></string>
+    <!-- no translation found for wallpaper_instructions (563973358787555519) -->
+    <skip />
+    <!-- no translation found for image_load_fail (2821429163328561136) -->
+    <skip />
+    <!-- no translation found for wallpaper_load_fail (1261270681127096352) -->
+    <skip />
+    <!-- no translation found for number_of_items_selected:zero (7464587177007785408) -->
+    <!-- no translation found for number_of_items_selected:one (142482526010824029) -->
+    <!-- no translation found for number_of_items_selected:other (1418352074806573570) -->
+    <!-- no translation found for wallpaper_accessibility_name (1655953108132967972) -->
+    <skip />
+    <!-- no translation found for announce_selection (8338254712932127413) -->
+    <skip />
+    <!-- no translation found for wallpaper_delete (8095005658756613921) -->
+    <skip />
+    <!-- no translation found for pick_image (1272073934062909527) -->
+    <skip />
+    <!-- no translation found for pick_wallpaper (8179698221502010609) -->
+    <skip />
+    <!-- no translation found for crop_wallpaper (8334345984491368009) -->
+    <skip />
     <!-- no translation found for activity_not_found (8071924732094499514) -->
     <skip />
     <!-- no translation found for widgets_tab_label (2921133187116603919) -->
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 50bbe51..709f4cf 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -2522,7 +2522,8 @@
         String packageName = componentName.getPackageName();
         Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS,
                 Uri.fromParts("package", packageName, null));
-        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
+        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK |
+                Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
         startActivitySafely(null, intent, "startApplicationDetailsActivity");
     }
 
@@ -2877,7 +2878,7 @@
                 mWorkspaceBackgroundDrawable : null);
     }
 
-    void updateWallpaperVisibility(boolean visible) {
+    protected void changeWallpaperVisiblity(boolean visible) {
         int wpflags = visible ? WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER : 0;
         int curflags = getWindow().getAttributes().flags
                 & WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;