imageview

I'm trying to add a photo from galery to a ImageView but I get this error: java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=1, result=-1, data=Intent { dat=content://media/external/images/media/1 }} to activity {hotMetter.pack/hotMetter.pack.GetPhoto}: java.lang.NullPointerException This is my code: Intent intent = new Intent(); intent.setType("image/*"); intent.setAction(Intent.ACTION_GET_CONTENT); startActivityForResult(Intent.createChooser(intent,"Select Picture"), SELECT_PICTURE); } Bitmap bitmap=null; public void onActivityResult(int requestCode, int

Given ImageView image = R.findViewById(R.id.imageView); image.setImageBitmap(someBitmap); Is it possible to retrieve the bitmap? Bitmap bitmap = ((BitmapDrawable)image.getDrawable()).getBitmap(); Sarwar Erfan This will get you a Bitmap from the ImageView . Though, it is not the same bitmap object that you've set. It is a new one. imageView.buildDrawingCache(); Bitmap bitmap = imageView.getDrawingCache(); === EDIT === imageView.setDrawingCacheEnabled(true); imageView.measure(MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED), MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED));

I created a CircularImageView with this question: Create circular image view in android Download project on GitHub 1) This is the CircularImageView class : public class CircularImageView extends ImageView { public CircularImageView(Context context) { super(context); } public CircularImageView(Context context, AttributeSet attrs) { super(context, attrs); } public CircularImageView(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); } @Override protected void onDraw(Canvas canvas) { Drawable drawable = getDrawable(); if (drawable == null) { return; } if

Need to set tint for an image view... I am using it the following way: imageView.setColorFilter(R.color.blue,android.graphics.PorterDuff.Mode.MULTIPLY); But it doesn't change... Hardik You can change the tint, quite easily in code via: imageView.setColorFilter(Color.argb(255, 255, 255, 255)); // White Tint If you want color tint then imageView.setColorFilter(ContextCompat.getColor(context, R.color.COLOR_YOUR_COLOR), android.graphics.PorterDuff.Mode.MULTIPLY); For Vector Drawable imageView.setColorFilter(ContextCompat.getColor(context, R.color.COLOR_YOUR_COLOR), android.graphics.PorterDuff.Mode