The floating button is suspended on the interface. When the screen is swiped, the button will not move with the screen. It is a control provided in the Design Support library. This control can help us easily realize the floating button effect.
Implementation of FloatingActionButton
Let's implement a published floating button.
Since you need to use floatingActionButton, import it first. You can refer to this article:
"Getting Started with Android Basics" Floating Button - Nuggets
Prepare an icon and place it in the drawable directory.
Modify the activity_main.xml code as follows:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:app="http://schemas.android.com/apk/res-auto">
<FrameLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<com.getbase.floatingactionbutton.FloatingActionButton
android:id="@+id/fab"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="bottom|end"
app:fab_size="normal"
android:src="@drawable/publish" />
</FrameLayout>
</LinearLayout>MainActivity code:
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
fab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Toast.makeText(MainActivity.this, "点击了按钮", Toast.LENGTH_SHORT).show();
}
});
}
}The effect is as follows:
