Imageview Drawing catch not come as needed

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Mobile

Android

Bitmap

I have image view inside frame layout ,i put random sticker on image view at run time but when i save image bitmap using frame layout drawing-catch then image save but with unnecessary black part comes in saved image.
http://i.stack.imgur.com/vWwfl.jpg[^]
http://i.stack.imgur.com/OIhdp.jpg[^]
http://i.stack.imgur.com/zJVK2.jpg[^]

i want bitmap without this black part.Please help.Here is my layout and code.

<FrameLayout
    android:id="@+id/fl_effect_view"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_below="@+id/rl_title"
    android:layout_marginBottom="83dp" >

    <ImageView
        android:id="@+id/im_gselected_image"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
         >
    </ImageView>
</FrameLayout>

Here is code that i use to create bitmap.

FrameLayout fl=(FrameLayout) findViewById(R.id.fl_effect_view);
f1.setDrawingCacheEnabled(true);
Bitmap b=Bitmap.createBitmap(f1.getDrawingCache());
f1.setDrawingCacheEnabled(false);