finally! <ImageView (…) android:adjustViewBounds=”true” /> the adjustViewbounds attribute did the trick: Set this to true if you want the ImageView to adjust its bounds to preserve the aspect ratio of its drawable. i stumbled upon it here. thanks for your help!
There are several ways you can do it. Option 1: Create different perfect images for different dpi and place them in related drawable folder. Then set android:background=”https://stackoverflow.com/questions/16135984/@drawable/your_image” Option 2: Add a single large image. Use FrameLayout. As a first child add an ImageView. Set the following in your ImageView. android:src=”https://stackoverflow.com/questions/16135984/@drawable/your_image” android:scaleType = “centerCrop”
Here’s a graphical illustration of the difference between CENTER_INSIDE and FIT_CENTER. Image used (100 × 100): Small image view (75 × 50): CENTER_INSIDE: FIT_CENTER: Both CENTER_INSIDE and FIT_CENTER shrink the image. Large image view (300 × 200): CENTER_INSIDE: FIT_CENTER: CENTER_INSIDE does not enlarge the image, FIT_CENTER does. The Android robot is reproduced or modified from … Read more
You are looking for: .fit().centerCrop() What these mean: fit – wait until the ImageView has been measured and resize the image to exactly match its size. centerCrop – scale the image honoring the aspect ratio until it fills the size. Crop either the top and bottom or left and right so it matches the size … Read more
In your build.gradle(Module:app), add android-gif-drawable as a dependency by adding the following code: allprojects { repositories { mavenCentral() } } dependencies { compile ‘pl.droidsonroids.gif:android-gif-drawable:1.2.+’ } UPDATE: As of Android Gradle Plugin 3.0.0, the new command for compiling is implementation, so the above line might have to be changed to: dependencies { implementation ‘pl.droidsonroids.gif:android-gif-drawable:1.2.17’ } Then … Read more
mImageView.setRotation(angle) with API>=11
May not be answer for this specific question, but if someone is, like me, searching for answer how to fit image in ImageView with bounded size (for example, maxWidth) while preserving Aspect Ratio and then get rid of excessive space occupied by ImageView, then the simplest solution is to use the following properties in XML: … Read more
android.view.ViewGroup.MarginLayoutParams has a method setMargins(left, top, right, bottom). Direct subclasses are: FrameLayout.LayoutParams, LinearLayout.LayoutParams and RelativeLayout.LayoutParams. Using e.g. LinearLayout: LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT); lp.setMargins(left, top, right, bottom); imageView.setLayoutParams(lp); MarginLayoutParams This sets the margins in pixels. To scale it use context.getResources().getDisplayMetrics().density DisplayMetrics
UPDATE I’ve just given TouchImageView a new update. It now includes Double Tap Zoom and Fling in addition to Panning and Pinch Zoom. The code below is very dated. You can check out the github project to get the latest code. USAGE Place TouchImageView.java in your project. It can then be used the same as … Read more
You can just basically revert your code using some other built in methods. byte[] decodedString = Base64.decode(encodedImage, Base64.DEFAULT); Bitmap decodedByte = BitmapFactory.decodeByteArray(decodedString, 0, decodedString.length);