jmhend
/ gist:5999958
Created
July 15, 2013 13:32
Two methods from CircleImageView.java, which aims to display a circular image, with a white border and some shadow. Calling Canvas.saveLayer() on line 56 makes the CircleImageView display properly, but causes lots of UI lag (such as scrolling when the CircleImageView is in a ListView, or when a DrawerLayout is opened/closed on top of a View cont…
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| @Override | |
| protected void onSizeChanged(int w, int h, int oldw, int oldh) { | |
| super.onSizeChanged(w, h, oldw, oldh); | |
| if (mRectFRound == null) { | |
| return; | |
| } | |
| mRectFRound.set(0, 0, w, h); | |
| mRectFRound.set(0, 0, w, h); |
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| // MyApplication.java | |
| public class MyApplication extends Application { | |
| private MyApplication sInstance; | |
| @Override | |
| public void onCreate(Bundle savedInstanceState) { | |
| super.onCreate(savedInstanceState); | |
| init(this); |
jmhend
/ gist:5896838
Last active
December 19, 2015 04:28
Prevent notifying each of the ArrayAdapter's DataSetObservers on every single add(T object) call to the ArrayAdapter's dataset. Use similar logic for remove() calls.
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| public class BetterArrayAdapter<T> extends ArrayAdapter<T> { | |
| //... | |
| @Override | |
| public void addAll(Collection<? extends T> collection) { | |
| // Firmware is at least API 11, when ArrayAdapter#addAll() was introduced. | |
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) { |