The SDK and Android Studio both ship with the “Draw 9-patch” tool (“draw9patch” in the SDK tools folder) which is a simple editor. Here is a nicer one which is also open source. It has a simple but clever default image. The official documentation has improved over the years. In summary, nine patch images’ most … Read more
This is quite an old question, but I think still relevant, so here’s my answer: Simplest Method lencinhaus answer is correct. It works, but it can be done in an even simpler way: Just add another background to it. The example below uses the standard Button background for a more homogeneous look-and-feel: <Spinner android:id=”@+id/my_spinner” android:layout_width=”wrap_content” … Read more
You can set the spinners background color in xml like this: android:background=”YOUR_HEX_COLOR_CODE” and if you use the drop down menu with you spinner you can set its background color like this: android:popupBackground=”YOUR_HEX_COLOR_CODE”
getNinePatchChunk works just fine. It returned null because you were giving Bitmap a “source” ninepatch. It needs a “compiled” ninepatch image. There are two types of ninepatch file formats in the Android world (“source” and “compiled”). The source version is where you add the 1px transparency border everywhere– when you compile your app into a … Read more