Make CropImage support fullscreen extra.

b2022570. When returning from a full-screen activity to a non-full-screen one, screen jumps a little and scroll bars are partially off screen. This is a work-around to prevent the issue.
diff --git a/src/com/android/camera/Camera.java b/src/com/android/camera/Camera.java
index 1db7862..5d53a72 100644
--- a/src/com/android/camera/Camera.java
+++ b/src/com/android/camera/Camera.java
@@ -908,6 +908,7 @@
             } else {
                 newExtras.putBoolean("return-data", true);
             }
+            newExtras.putBoolean(MediaStore.EXTRA_FULL_SCREEN, true);
 
             Intent cropIntent = new Intent();
             cropIntent.setClass(Camera.this, CropImage.class);
diff --git a/src/com/android/camera/CropImage.java b/src/com/android/camera/CropImage.java
index 118adce..32a0dff 100644
--- a/src/com/android/camera/CropImage.java
+++ b/src/com/android/camera/CropImage.java
@@ -42,6 +42,7 @@
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.Window;
+import android.view.WindowManager;
 import android.widget.Toast;
 
 import java.io.File;
@@ -124,6 +125,11 @@
             mDoFaceDetection = extras.containsKey("noFaceDetection")
                     ? !extras.getBoolean("noFaceDetection")
                     : true;
+
+            if (intent.getBooleanExtra(MediaStore.EXTRA_FULL_SCREEN, true)) {
+                getWindow().addFlags(
+                        WindowManager.LayoutParams.FLAG_FULLSCREEN);
+            }
         }
 
         if (mBitmap == null) {
diff --git a/src/com/android/camera/ImageGallery.java b/src/com/android/camera/ImageGallery.java
index 95b2ff8..795fcc2 100644
--- a/src/com/android/camera/ImageGallery.java
+++ b/src/com/android/camera/ImageGallery.java
@@ -296,6 +296,7 @@
             if (cropValue.equals("circle")) {
                 newExtras.putString("circleCrop", "true");
             }
+            newExtras.putBoolean(MediaStore.EXTRA_FULL_SCREEN, true);
 
             Intent cropIntent = new Intent();
             cropIntent.setData(img.fullSizeImageUri());
diff --git a/src/com/android/camera/MenuHelper.java b/src/com/android/camera/MenuHelper.java
index 6c0c58d..d475ad8 100644
--- a/src/com/android/camera/MenuHelper.java
+++ b/src/com/android/camera/MenuHelper.java
@@ -555,6 +555,7 @@
                 Intent cropIntent = new Intent();
                 cropIntent.setClass(activity, CropImage.class);
                 cropIntent.setData(u);
+                cropIntent.putExtra(MediaStore.EXTRA_FULL_SCREEN, true);
                 activity.startActivityForResult(cropIntent,
                         RESULT_COMMON_MENU_CROP);
             }
diff --git a/src/com/android/camera/Wallpaper.java b/src/com/android/camera/Wallpaper.java
index 0b053ce..972bacf 100644
--- a/src/com/android/camera/Wallpaper.java
+++ b/src/com/android/camera/Wallpaper.java
@@ -143,6 +143,7 @@
             intent.setClassName("com.android.camera",
                                 "com.android.camera.CropImage");
             intent.setData(imageToUse);
+            intent.putExtra(MediaStore.EXTRA_FULL_SCREEN, true);
             formatIntent(intent);
             startActivityForResult(intent, CROP_DONE);
         } else {