CircleProgessView
It's a progressbar UI component that looks similar to the android L progress bar (material design).
Dependency
compile 'com.hannesdorfmann:circleprogressview:1.0.2'
Usage
In XML:
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:app="http://schemas.android.com/apk/res-auto"
>
<com.hannesdorfmann.CircleProgressView
android:layout_width="60dp"
android:layout_height="60dp"
app:cpvColor="@color/blue"
app:cpvCircleAnimDuration="4000"
app:cpvSweepAnimDuration="800"
app:cpvStrokeWidth="2dp"
/>
</FrameLayout>
You can also set the look in the theme:
<style name="SpecialTheme" parent="android:Theme.Holo.Light.DarkActionBar">
<item name="cpvColor">#12AAFF</item>
<item name="cpvStrokeWidth">3dp</item>
<item name="cpvCircleAnimDuration">1500</item>
<item name="cpvSweepAnimDuration">500</item>
</style>