High imitation Xiaomi Mall splash animation

Source code introduction

This is a high imitation of the Xiaomi Mall splash interface. The animation effects are exactly the same as those of the Xiaomi Mall. It is only for learning and communication use. Please do not use it for other purposes.
Source code running screenshot

Source code snippet:

 package com.example.testsplashview; 
  
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.os.Bundle;
 import android.os.Handler;
 import android.support.v4.app.Fragment;
 import android.support.v4.app.FragmentActivity;
 import android.support.v4.app.FragmentManager;
 import android.support.v4.app.FragmentTransaction;
 import android.support.v4.content.LocalBroadcastManager;
 import android.widget.Toast; 
  
 public   class WelcomeActivity extends FragmentActivity
 {
 private   static   final   long EXIT_DURATION_BETWEEN_BACKKEY_PRESSED = 1000L;
 private   int mBackKeyPressedCount;
 private Fragment[] mFragments;
 private BroadcastReceiver mPageShowReceiver = new BroadcastReceiver() { 
      
 @Override  
 public   void onReceive(Context context, Intent paramIntent) {
               String str = paramIntent.getAction();
 if ( "page0_animation_done" .equals(str)){
                  Intent intent = new Intent();
                  intent.setClass(getApplicationContext(), MainActivity. class );
                  startActivity(intent);
 finish();
 }
 if ( "page1_animation_done" .equals(str))
                getSupportFragmentManager().beginTransaction().remove(page1).commitAllowingStateLoss();
 if ( "page2_animation_done" .equals(str))
                getSupportFragmentManager().beginTransaction().remove(page2).commitAllowingStateLoss();
 if ( "page3_animation_done" .equals(str))
                getSupportFragmentManager().beginTransaction().remove(page3).commitAllowingStateLoss();
 if ( "page4_animation_done" .equals(str))
                getSupportFragmentManager().beginTransaction().remove(page4).commitAllowingStateLoss();
 }
 };
 private BaseInShowPage page0;
 private BaseInShowPage page1;
 private BaseInShowPage page2;
 private BaseInShowPage page3;
 private BaseInShowPage page4;
 @Override  
 public   void onBackPressed()
 {
    mBackKeyPressedCount = ( 1 + mBackKeyPressedCount);
 if (mBackKeyPressedCount == 2 ){
 finish();
 } else {
 new Handler().postDelayed( new Runnable() { 
          
 @Override  
 public   void run() {
            mBackKeyPressedCount = 0 ;
 }
      }, EXIT_DURATION_BETWEEN_BACKKEY_PRESSED);
 }
 }
 @Override  
 protected   void onCreate(Bundle paramBundle)
 {
 super .onCreate(paramBundle);
    setContentView(R.layout.welcome_fragment);
    IntentFilter localIntentFilter = new IntentFilter();
    localIntentFilter.addAction( "page0_animation_done" );
    localIntentFilter.addAction( "page1_animation_done" );
    localIntentFilter.addAction( "page2_animation_done" );
    localIntentFilter.addAction( "page3_animation_done" );
    localIntentFilter.addAction( "page4_animation_done" );
    LocalBroadcastManager.getInstance( this ).registerReceiver(mPageShowReceiver, localIntentFilter);
 if (paramBundle != null )
 return ;
 page4 = new Page4();
 page3 = new Page3();
 page2 = new Page2();
 page1 = new Page1();
 page0 = new Page0();
    Fragment[] arrayOfFragment = new Fragment[ 5 ];
    arrayOfFragment[ 0 ] = page0;
    arrayOfFragment[ 1 ] = page4;
    arrayOfFragment[ 2 ] = page3;
    arrayOfFragment[ 3 ] = page2;
    arrayOfFragment[ 4 ] = page1;
    mFragments = arrayOfFragment;
 for ( int i = 0 ; i < mFragments.length; i++)
      getSupportFragmentManager().beginTransaction().add(R.id.fragmentview, mFragments[i]).addToBackStack( null ).commit();
 }
 @Override  
 protected   void onDestroy()
 {
 super .onDestroy();
    LocalBroadcastManager.getInstance( this ).unregisterReceiver(mPageShowReceiver);
 }
 }