I'm trying to create the following design in my app. Design Mockup Its an overlay on top of the main UI. Trying to create this using a layout on top of the main UI with its background as a tran...

I am trying to use Android's PorterDuff to draw a shadow that will only appear where there is something below it (not where the background image is transparent) and I am having great difficulty get...

Based on the images and PorterDuffModes in this page I downloaded images, initially even though they are png they had light and dark gray rectangles which were not transparent and removed them. A...

I'm trying to create a custom View which works simple: there is a Bitmap which is revealed by arc path - from 0deg to 360deg. Degrees are changing with some FPS. So I made a custom View with overr...

I notice that other puzzle apps from the google play store can go up to as many as 400 separate movable puzzle pieces I have been attempting to learn how to at least take an image that will repres...

I'm trying to blend two images together with Android, using a Multiply-like blending mode. // Prepare ------------------------------- // Create source images Bitmap img1 = ... Bitmap img2 = ... ...

Having a rich UI application in which I want to show image with complex shape like this Now what I want is to crop my image as per Mask image, Actually image is coming dynamic and can be importe...

I'd like to add a ColorFilter to ImageView. Currently I'm using: ImageView iv = (ImageView)findViewById(resIdOfImageToFilter); iv.setColorFilter(Color.RED, PorterDuff.Mode.SRC_ATOP); I've check...

I am trying to achieve an effect similar to this one: What I am doing now: public MaskedTextView(Context context, AttributeSet attrs) { super(context, attrs); p = new Paint(Paint.ANTI_ALIAS_...

I'm trying to implement poor-man's blending modes for CSS, in anticipation of browsers rolling out support. (The CSS preprocessor I'm using is Stylus, which isn't important to the discussion.) I've...

I was playing around with Bitmaps masking and occasionally found an interesting issue when trying to draw ALPHA_8 bitmap mask with PorterDuff.Mode.DST_IN Paint. It just doesn't work, at least on An...

I want to create the crop bitmap functionality and have referred Android: Free Croping of Image but this sets the bitmap in another imageView.Now I know I can set the cropped bitmap in the canvas b...

I have the following layout: <LinearLayout android:id="@+id/myButton" android:layout_width="@dimen/logo_radius" android:layout_height="match_parent" android:background="@drawable/myShape"&...

I made this Custom Drawable that should clip any Drawable in circle. But with my implementation, the drawable passed is being the output in the original form not in the circular form. public class...

The popular game Words with Friends draws letter tiles at the game board as a single entity - You can see a yellow linear gradient applied to all letter tiles in the following screenshot and also ...

What's the difference between those two implementations? DrawableCompat.setTintMode(wrappedDrawable, Mode.SRC_ATOP); DrawableCompat.setTint(wrappedDrawable, color); and drawable.setColorFilter(...

There are some predefined blending modes described here: https://developer.android.com/reference/android/graphics/PorterDuff.Mode.html Is there a possibility to use some other custom modes? (for d...

I have a Path that crosses over itself and I want to change the color of the areas that are gone over more than once. Like below: So I set up my paint. highlighterPaint = new Paint(); highlig...

My app lets the user edit an image. The image is edited in "slices": The user selects a portion of the big image to edit (1), the user edits it (2, 3), and then when the user finishes, the edited s...

I would like to know what PorterDuff.Mode means in android graphics. I know that it is a transfer mode. I also know, that it has attributes such as DST_IN, Multiply etc.

I am trying to do something very simple (see above). I want all of the pixels of a canvas to be a solid color, except for the the pixels that fill a centered circle. I have read hundreds stack ov...

Is it possible in android to set up a view in a way that it applies some color filter to everything below that's visible in its bounds? Like in this example: Just a simple rectangular view that...

I want to draw on a bitmap using another bitmap as mask. The mask is a black bitmap with a transparent object in it. I want this transparent part to be filled with an arbitrary color and added to m...

I am doing a small project for college and wondering if someone can tell me how I would go about doing a scratch card app. This app should have one image overlaying another. The one on top should a...

I'm trying to solve a problem with android ColorFilters. Documentation is very poor, so the main method is trying different variants. The problem: There is a Bitmap. Some pixels have alpha=255, o...