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();

}

});