floatingactionbutton

FloatingActionButton

findViewById(R.id.remove_fab).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Snackbar.make(view,"FAB",Snackbar.LENGTH_LONG)
.setAction("cancel", new View.OnClickListener() {
@Override
public void onClick(View v) {
//这里的单击事件代表点击消除Action后的响应事件
}
})
.show();
}
});

findViewById(R.id.remove_fab).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Snackbar.make(view,"Hello",Snackbar.LENGTH_SHORT).show();
}
});

xml

<android.support.design.widget.CoordinatorLayout 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"
android:fitsSystemWindows="true"
tools:context="com.example.ztt.floatingactionbutton.MainActivity">

<android.support.design.widget.FloatingActionButton
android:id="@+id/remove_fab"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="bottom|end"
android:layout_marginBottom="16dp"
android:layout_marginEnd="16dp"
android:layout_marginRight="16dp"
android:src="@drawable/ic_add_white_24dp" />

</android.support.design.widget.CoordinatorLayout>

compile 'com.android.support:design:22.2.1'