Taking a “screenshot” of a specific layout in Android

Question

I have two main issues which are closely linked. I am looking at these problems from a programmatic point of view.

(1) - I wish to take a screenshot of the

Answer 1

EDIT : after seeing OP's comment

You dont need to think about new activities at all.. Say you are in Activity right now.. Layout A is the main layout for the activity, Layout B and C are two child layouts inside Layout A. Like this,

 Layout A -> Parent
 |
  -------Layout B
 |
  -------Layout C

Now if you want to take screenshot of C only

1) in onCreate() of activity

 LinearLayout myCLayout = (LinearLayout)this.findViewbyId(R.id.my_c_layout);
 ViewTreeObserver vto   =  myCLayout.getViewTreeObserver();
 vto.addOnGlobalLayoutListener(new OnGlobalLayoutListener() {
   @Override
   public void onGlobalLayout() {
      //fully drawn, no need of listener anymore
      myCLayout.getViewTreeObserver().removeGlobalOnLayoutListener(this);
      getDrawingBitmap();
   }
 });

where getDrawingBitmap() is a function..to take your screenshot..

public void getDrawingBitmap(){
    LinearLayout myCLayout = (LinearLayout)this.findViewbyId(R.id.my_c_layout);
    Bitmap b = myCLayout.getDrawingCache();

    File file = saveBitmapAsFile(b);
}

EDIT: For ScrollView

I never tried it.. But I think you can do this..

1) first override scrollView, and override onMeasure function..

public class MyScrollView extends ScrollView{
    public MyScrollView(Context context, AttributeSet attrs) {
         super(context, attrs);
    }

    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec){
        super.onMeasure(widthMeasureSpec, yourFullScrollViewHeight));
    }
}

and use MyScrollView in your layout.. here yourFullScrollViewHeight is the height of all scrollView content you need to take screenshot of.. I never tried this.. But it might work..