Activity出場動畫

1.

android:launchMode="singleInstance" 修改啓動模式

3.

//這裏返回結果的函數會影響啓動頁面，同時也會導致應用莫名報錯，導致向右滑動
ActivityCompat.requestPermissions(this, PERMISSIONS_STORAGE, REQUEST_blue);

 

2.

ActivityOptionsCompat optionsCompat = ActivityOptionsCompat.makeCustomAnimation(this,R.anim.in,R.anim.out);
Intent intent = new Intent(this, cls);
intent.putExtra(KEY_TITLE,title);
intent.putExtra(KEY_IS_CONTINUOUS,isContinuousScan);
ActivityCompat.startActivityForResult(this,intent,REQUEST_CODE_SCAN,optionsCompat.toBundle());

 

R.anim.in.xml

<?xml version="1.0" encoding="utf-8"?>
<alpha xmlns:android="http://schemas.android.com/apk/res/android"
       android:fromAlpha="0.2"
       android:toAlpha="1.0"
       android:duration="200" />