Android Material风格的应用(四)--FloatActionButton

添加 FloatActionButton和SnackBar

activity_main.xml

CoordinatorLayout

FloatActionButton

<android.support.design.widget.FloatingActionButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/fab"
android:layout_gravity="right|bottom"
android:layout_marginBottom="@dimen/md_keylines"
android:layout_marginRight="@dimen/md_keylines"
android:src="@drawable/ic_add"/>

MainActivity.java

Snackbar

FloatingActionButton fab = (FloatingActionButton)findViewById(R.id.fab);
fab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Snackbar.make(v,"This is Snackbar!!",Snackbar.LENGTH_LONG).show();
}
});