Android开发：通过动画实现Activity滑动效果

 package com.example.firstapp;

    
  
    
 import android.os.Bundle;
    
 import android.view.View;
    
 import android.view.animation.Animation;
    
 import android.view.animation.TranslateAnimation;
    
 import android.widget.LinearLayout;
    
 import android.widget.RelativeLayout;
    
  
    
 import androidx.appcompat.app.AppCompatActivity;
    
  
    
 /** * @author Administrator
    
  */
    
 public class MainActivity extends AppCompatActivity {