Rotating Image on A canvas in android

Question

I want to Rotate Image according to a specific angle in android ,some thing like a compass...

I have this code...it works on drawPath() but i want to replace the pat

Answer 1

This is the only one that worked for me with no problem.

    private Bitmap rotateBitmap(Bitmap bitmap, int rotationAngleDegree){

        int w = bitmap.getWidth();
        int h = bitmap.getHeight();

        int

 newW=w, newH=h;
    if (rotationAngleDegree==90 || rotationAngleDegree==270){
        newW = h;
        newH = w;
    }
    Bitmap rotatedBitmap = Bitmap.createBitmap(newW,newH, bitmap.getConfig());
    Canvas canvas = new Canvas(rotatedBitmap);

    Rect rect = new Rect(0,0,newW, newH);
    Matrix matrix = new Matrix();
    float px = rect.exactCenterX();
    float py = rect.exactCenterY();
    matrix.postTranslate(-bitmap.getWidth()/2, -bitmap.getHeight()/2);
    matrix.postRotate(rotationAngleDegree);
    matrix.postTranslate(px, py);
    canvas.drawBitmap(bitmap, matrix, new Paint( Paint.ANTI_ALIAS_FLAG | Paint.DITHER_FLAG | Paint.FILTER_BITMAP_FLAG ));
    matrix.reset();

    return rotatedBitmap;
}