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| public class MainActivity extends Activity { | |
| @Override | |
| protected void onCreate(Bundle savedInstanceState) { | |
| super.onCreate(savedInstanceState); | |
| setContentView(R.layout.layoutfab); | |
| //Outline | |
| int size = getResources().getDimensionPixelSize(R.dimen.fab_size); | |
| Outline outline = new Outline(); | |
| outline.setOval(0, 0, size, size); | |
| findViewById(R.id.fab).setOutline(outline); | |
| } | |
| } |
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| <selector xmlns:android="http://schemas.android.com/apk/res/android"> | |
| <item | |
| android:state_enabled="true" | |
| android:state_pressed="true"> | |
| <objectAnimator | |
| android:duration="@android:integer/config_shortAnimTime" | |
| android:propertyName="translationZ" | |
| android:valueFrom="@dimen/button_elevation" | |
| android:valueTo="@dimen/button_press_elevation" | |
| android:valueType="floatType" /> | |
| </item> | |
| <item> | |
| <objectAnimator | |
| android:duration="@android:integer/config_shortAnimTime" | |
| android:propertyName="translationZ" | |
| android:valueFrom="@dimen/button_press_elevation" | |
| android:valueTo="@dimen/button_elevation" | |
| android:valueType="floatType" /> | |
| </item> | |
| </selector> |
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| <resources> | |
| <dimen name="fab_size">56dp</dimen> | |
| <dimen name="button_elevation">2dp</dimen> | |
| <dimen name="button_press_elevation">4dp</dimen> | |
| </resources> |
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| <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" | |
| xmlns:tools="http://schemas.android.com/tools" | |
| android:layout_width="match_parent" | |
| android:layout_height="match_parent" | |
| tools:context=".MainActivity"> | |
| <ImageButton | |
| android:id="@+id/fab" | |
| android:layout_alignParentRight="true" | |
| android:layout_alignParentBottom="true" | |
| android:layout_width="@dimen/fab_size" | |
| android:layout_height="@dimen/fab_size" | |
| android:layout_gravity="bottom|right" | |
| android:layout_marginRight="16dp" | |
| android:layout_marginBottom="16dp" | |
| android:background="@drawable/ripple" | |
| android:stateListAnimator="@anim/anim" | |
| android:src="@drawable/ic_action_add" | |
| android:elevation="4dp" | |
| /> | |
| </RelativeLayout> |
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| <ripple xmlns:android="http://schemas.android.com/apk/res/android" android:color="?android:colorControlHighlight"> | |
| <item> | |
| <shape android:shape="oval"> | |
| <solid android:color="?android:colorAccent" /> | |
| </shape> | |
| </item> | |
| </ripple> |
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