ExpandableSelector is an Android library created to show a list of Button/ImageButton widgets inside a animated container which can be collapsed or expanded.
"vcard-androidParser" is an android library for developers who wish to get ez-vcard working for android devices or simply it can be used to parse vcf or vcard files in android
Usually you don't care how big the deployed APK is. However, if you are using metered connection and remote ADB, it would be good idea to build possibly smallest APK file.
Uglyfier for Android is a gradle script which will shrink all image resources in your application during build. It will look ugly, but image files will be 10 times smaller. Ninepatch (9-patch) PNGs are fully supported, with transparency preserved!