gradle file: compile 'com.android.support:appcompat-v7:25.2.0' compile 'com.android.support:design:25.2.0' layout.xml <android.support.design.widget.FloatingActionButton android :layout_width= "wrap_content" android :src= "@android:drawable/ic_media_play" android :elevation= "6dp" android :background= "@color/colorAccent" android :layout_margin= "16dp" app :pressedTranslationZ= "12dp" android :layout_height= "wrap_content" /> Theme.AppCompat class extend AppCompatActivity