Description: According to the Android 5 specification float button backward compatible with 2.x, it is worth learning
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Carbon-master
.............\.gitignore
.............\.idea
.............\.....\.name
.............\.....\compiler.xml
.............\.....\copyright
.............\.....\.........\profiles_settings.xml
.............\.....\encodings.xml
.............\.....\gradle.xml
.............\.....\misc.xml
.............\.....\modules.xml
.............\.....\scopes
.............\.....\......\scope_settings.xml
.............\.....\vcs.xml
.............\LICENSE
.............\README.md
.............\build.gradle
.............\carbon.pom
.............\carbon
.............\......\.gitignore
.............\......\build.gradle
.............\......\maven-push.gradle
.............\......\proguard-rules.pro
.............\......\src
.............\......\...\main
.............\......\...\....\AndroidManifest.xml
.............\......\...\....\assets
.............\......\...\....\......\Roboto-Black.ttf
.............\......\...\....\......\Roboto-BlackItalic.ttf
.............\......\...\....\......\Roboto-Bold.ttf
.............\......\...\....\......\Roboto-BoldItalic.ttf
.............\......\...\....\......\Roboto-Italic.ttf
.............\......\...\....\......\Roboto-Light.ttf
.............\......\...\....\......\Roboto-LightItalic.ttf
.............\......\...\....\......\Roboto-Medium.ttf
.............\......\...\....\......\Roboto-MediumItalic.ttf
.............\......\...\....\......\Roboto-Regular.ttf
.............\......\...\....\......\Roboto-Thin.ttf
.............\......\...\....\......\Roboto-ThinItalic.ttf
.............\......\...\....\......\RobotoCondensed-Bold.ttf
.............\......\...\....\......\RobotoCondensed-BoldItalic.ttf
.............\......\...\....\......\RobotoCondensed-Italic.ttf
.............\......\...\....\......\RobotoCondensed-Light.ttf
.............\......\...\....\......\RobotoCondensed-LightItalic.ttf
.............\......\...\....\......\RobotoCondensed-Regular.ttf
.............\......\...\....\java
.............\......\...\....\....\carbon
.............\......\...\....\....\......\Carbon.java
.............\......\...\....\....\......\GestureDetector.java
.............\......\...\....\....\......\OnGestureAdapter.java
.............\......\...\....\....\......\OnGestureListener.java
.............\......\...\....\....\......\animation
.............\......\...\....\....\......\.........\AnimUtils.java
.............\......\...\....\....\......\.........\ElevationStateAnimator.java
.............\......\...\....\....\......\.........\RippleStateAnimator.java
.............\......\...\....\....\......\.........\StateAnimator.java
.............\......\...\....\....\......\beta
.............\......\...\....\....\......\....\AnimatedLayout.java
.............\......\...\....\....\......\....\BottomSheet.java
.............\......\...\....\....\......\....\DefaultAnimationListener.java
.............\......\...\....\....\......\....\EditText.java
.............\......\...\....\....\......\....\LayoutAnimation.java
.............\......\...\....\....\......\....\RootView.java
.............\......\...\....\....\......\....\SaveState.java
.............\......\...\....\....\......\....\SaveStateActivity.java
.............\......\...\....\....\......\....\ToggleButton.java
.............\......\...\....\....\......\....\ValidatedEditText.java
.............\......\...\....\....\......\....\ValueAnimation.java
.............\......\...\....\....\......\....\Window.java
.............\......\...\....\....\......\drawable
.............\......\...\....\....\......\........\CheckableDrawable.java
.............\......\...\....\....\......\........\CircularProgressDrawable.java
.............\......\...\....\....\......\........\ControlCheckedColorStateList.java
.............\......\...\....\....\......\........\CornersDrawable.java
.............\......\...\....\....\......\........\EdgeEffect.java
.............\......\...\....\....\......\........\EmptyDrawable.java
.............\......\...\....\....\......\........\ProgressBarDrawable.java
.............\......\...\....\....\......\........\ProgressDrawable.java
.............\......\...\....\..