From The Activity onCreate:

paintLayout = (RelativeLayout) findViewById(R.id.paintLayout);
        paint = (RelativeLayout) findViewById(R.id.paint);
        final ImageView imageviewPaint = (ImageView) findViewById(R.id.imageViewPaint);

        upperTab = (RelativeLayout) findViewById(R.id.UpperTabPaint);
        optionsTab = (RelativeLayout) findViewById(R.id.OptionsTab);
        new Handler().postDelayed(new Runnable() {

            @Override
            public void run() {
                int a = upperTab.getLayoutParams().height;
                int b = optionsTab.getLayoutParams().height;
                Display display = getWindowManager().getDefaultDisplay();
                width = display.getWidth(); // ia widthu si heightu la layoutu pe care se va desena...
                height = (display.getHeight()) - (a + b);
                LogService.log("in run delayed", "+++++++++++++++++++WIDTH/HEight: " + width + "||" + height);
                myView = new CustomImage(PaintActivity.this);
                paint.addView(myView); // se pune pe layoutu d desenat View-u (CustomImage.java)
                String imagePath = (String) getIntent().getExtras().get("sel" + "ectedImagePath");// se ia locatia pozei
                LogService.log("PaintActivity", "Imagepath: " + imagePath);
                try {
                    fis = new FileInputStream(imagePath);
                } catch (FileNotFoundException e) {
                    e.printStackTrace();
                }
                try {
                    mBitmap = loadBitmap(fis.getFD());// se incarca bitmapu
                    targetConfig = mBitmap.getConfig();// se ia configuratia pozei
                    int picWidth = mBitmap.getWidth();
                    float picHeight = mBitmap.getHeight();
                    float ratio = picWidth / (float) width;
                    int newheight = (int) (picHeight / ratio);

                    bitmap = getResizedBitmap(mBitmap, newheight, width, targetConfig);// rescaleaza bitmapu
                    LogService.log("-----bitmap", "bitmap= " + bitmap.getConfig());
                    LogService.log("-----mBitmap", "mBitmap= " + mBitmap.getConfig());
                } catch (IOException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
                try {
                    LogService.log("PaintActivity", "Bitmap = " + mBitmap);
                    bitmapgol = Bitmap.createBitmap(width, height, targetConfig);// creaza bitmap gol
                    imageviewPaint.setImageBitmap(bitmap);// se pune pe ImageView imaginea de background
                    myView.setBitmap(bitmapgol, targetConfig); // se pune bitmapu gol pe View-ul meu (CustomImage)
                    paint.bringToFront();
                    paintLayout.bringChildToFront(paint);
                } catch (Exception e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
                mPaint = new Paint();
                mPaint.setAntiAlias(true);
                mPaint.setDither(true);
                mPaint.setColor(0xFF000000);
                mPaint.setStyle(Paint.Style.STROKE);
                mPaint.setStrokeJoin(Paint.Join.ROUND);
                mPaint.setStrokeCap(Paint.Cap.ROUND);
                mPaint.setStrokeWidth(50);
                myView.setPaint(mPaint);

            }
        }, 50);


The xml:

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >

    <RelativeLayout
        android:id="@+id/UpperTabPaint"
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:layout_alignParentLeft="true"
        android:layout_alignParentTop="true"
        android:background="@color/flock_blue" >

        <ImageButton
            android:id="@+id/backDrawBtn"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentLeft="true"
            android:layout_alignParentTop="true"
            android:layout_marginLeft="10dp"
            android:layout_marginTop="15dp"
            android:background="#0000"
            android:src="@drawable/backdraw" />

        <ImageButton
            android:id="@+id/chooser2"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentRight="true"
            android:layout_alignParentTop="true"
            android:layout_marginRight="20dp"
            android:layout_marginTop="10dp"
            android:background="#0000"
            android:src="@drawable/chooser" />
    </RelativeLayout>

    <RelativeLayout
        android:id="@+id/OptionsTab"
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:layout_alignParentBottom="true"
        android:layout_alignParentLeft="true"
        android:background="@color/flock_blue" >

        <TextView
            android:id="@+id/drtools"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentLeft="true"
            android:layout_centerVertical="true"
            android:text="@string/drawtool"
            android:textColor="@color/white"
            android:textSize="20dp" />

        <ImageButton
            android:id="@+id/textBtn"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:layout_alignParentBottom="true"
            android:layout_toRightOf="@+id/drtools"
            android:background="#0000"
            android:src="@drawable/text" />

        <ImageButton
            android:id="@+id/penBtn"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:layout_alignParentBottom="true"
            android:layout_toRightOf="@+id/textBtn"
            android:background="#0000"
            android:src="@drawable/pen" />

        <ImageButton
            android:id="@+id/objBtn"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:layout_alignParentTop="true"
            android:layout_marginBottom="1dp"
            android:layout_toRightOf="@+id/penBtn"
            android:background="#0000"
            android:src="@drawable/obj" />

        <ImageButton
            android:id="@+id/eraseBtn"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:layout_alignParentTop="true"
            android:layout_toRightOf="@+id/objBtn"
            android:background="#0000"
            android:src="@drawable/erase" />




        <Button
            android:id="@+id/cancelBtn"
            android:layout_width="45dp"
            android:layout_height="wrap_content"
            android:layout_alignParentBottom="true"
            android:layout_alignParentRight="true"
            android:layout_alignParentTop="true"
            android:background="@drawable/button_selector"
            android:text="@string/cancel" />



        <Button
            android:id="@+id/saveBtn"
            android:layout_width="45dp"
            android:layout_height="wrap_content"
            android:layout_alignParentBottom="true"
            android:layout_alignParentTop="true"
            android:layout_toLeftOf="@+id/cancelBtn"
            android:background="@drawable/button_selector"
            android:text="@string/save" />



        <Button
            android:id="@+id/sendBtn"
            android:layout_width="45dp"
            android:layout_height="wrap_content"
            android:layout_alignParentBottom="true"
            android:layout_alignParentTop="true"
            android:layout_toLeftOf="@+id/saveBtn"
            android:background="@drawable/button_selector"
            android:text="@string/send" />

        <SeekBar
            android:id="@+id/brushsizeBar"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_centerVertical="true"
            android:layout_toLeftOf="@id/sendBtn"
            android:layout_toRightOf="@+id/brushsizeTV" />

        <ImageButton
            android:id="@+id/button1"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:layout_alignParentBottom="true"
            android:layout_toRightOf="@+id/eraseBtn"
            android:background="#0000"
            android:src="@drawable/colorpicker" />

        <TextView
            android:id="@+id/brushsizeTV"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerVertical="true"
            android:layout_toRightOf="@+id/button1"
            android:text="@string/brsize"
            android:textColor="@color/white"
            android:textSize="20dp" />
    </RelativeLayout>

    <RelativeLayout
        android:id="@+id/paintLayout"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:layout_above="@+id/OptionsTab"
        android:layout_alignParentLeft="true"
        android:layout_alignParentRight="true"
        android:layout_below="@+id/UpperTabPaint"
        android:layout_centerHorizontal="true"
        android:background="@color/digg_blue" >

        <ImageView
            android:id="@+id/imageViewPaint"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_alignParentTop="true"
            android:layout_centerHorizontal="true"
            android:src="@drawable/loading" />

        <RelativeLayout
            android:id="@+id/paint"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_above="@+id/OptionsTab"
            android:layout_alignParentLeft="true"
            android:layout_alignParentRight="true"
            android:layout_below="@+id/UpperTabPaint"
            android:layout_centerHorizontal="true" >
        </RelativeLayout>
    </RelativeLayout>

</RelativeLayout>