63、具有过渡动画效果的布局Layout

<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/root_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">
    <android.support.design.widget.FloatingActionButton
        android:id="@+id/fab_btn"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="bottom|right"
        android:layout_margin="10dp"
        android:src="@drawable/ic_launcher"
        app:fabSize="normal"/>
</FrameLayout>

 1 import android.os.Bundle;
 2 import android.support.design.widget.FloatingActionButton;
 3 import android.support.design.widget.Snackbar;
 4 import android.support.v7.app.AppCompatActivity;
 5 import android.view.View;
 6 import android.widget.FrameLayout;
 7  
 9 public class MainActivity2 extends AppCompatActivity {
11     private FloatingActionButton fab_btn = null;
12     private FrameLayout root_layout = null;
13 
14     @Override
15     protected void onCreate(Bundle savedInstanceState) {
16         super.onCreate(savedInstanceState);
17         setContentView(R.layout.activity_main2);
18 
19         root_layout = (FrameLayout) this.findViewById(R.id.root_layout);
20         fab_btn = (FloatingActionButton) this.findViewById(R.id.fab_btn);
21         fab_btn.setOnClickListener(new View.OnClickListener() {
22             @Override
23             public void onClick(View v) {
24                 Snackbar.make(root_layout, "我出来了", Snackbar.LENGTH_LONG)
25                         .setAction("知道了", new View.OnClickListener() {
26                     @Override
27                     public void onClick(View v) {
28 
29                     }
30                 }).show();
32             }
33         });
35     }
37 }

 1 <android.support.design.widget.CoordinatorLayout
 2     xmlns:android="http://schemas.android.com/apk/res/android"
 3     xmlns:app="http://schemas.android.com/apk/res-auto"
 4     android:id="@+id/root_layout"
 5     android:layout_width="match_parent"
 6     android:layout_height="match_parent"
 7     android:orientation="vertical">
 8     <android.support.design.widget.FloatingActionButton
 9         android:id="@+id/fab_btn"
10         android:layout_width="wrap_content"
11         android:layout_height="wrap_content"
12         android:layout_gravity="bottom|right"
13         android:layout_margin="10dp"
14         android:src="@drawable/ic_launcher"
15         app:fabSize="normal"/>
16 </android.support.design.widget.CoordinatorLayout>

 1 package com.example.com.designdemo;
 2 
 3 import android.os.Bundle;
 4 import android.support.design.widget.CoordinatorLayout;
 5 import android.support.design.widget.FloatingActionButton;
 6 import android.support.design.widget.Snackbar;
 7 import android.support.v7.app.AppCompatActivity;
 8 import android.view.View;
 9 
10 
11 public class MainActivity2 extends AppCompatActivity {
13     private FloatingActionButton fab_btn = null;
14     private CoordinatorLayout root_layout = null;
15 
16     @Override
17     protected void onCreate(Bundle savedInstanceState) {
18         super.onCreate(savedInstanceState);
19         setContentView(R.layout.activity_main2);
20 
21         root_layout = (CoordinatorLayout) this.findViewById(R.id.root_layout);
22         fab_btn = (FloatingActionButton) this.findViewById(R.id.fab_btn);
23         fab_btn.setOnClickListener(new View.OnClickListener() {
24             @Override
25             public void onClick(View v) {
26                 Snackbar.make(root_layout, "我出来了", Snackbar.LENGTH_LONG)
27                         .setAction("知道了", new View.OnClickListener() {
28                             @Override
29                             public void onClick(View v) {
31                             }
32                         }).show();
34             }
35         });
37     }
39 }