Android app A opens app B

question

 在应用A中该如何开启应用B中的activity

method

如果应用B的包名是:com.whitecat.demo;想开启的B的activity是MainActivity
那么在应用B中加入如下代码:
startActivity(new Intent().setComponent(new ComponentName("com.whitecat.demo","com.whitecat.demo.MainActivity");

Add android:exported="true after Android.Manifest.xml android:name=".MainActivity" of application A:

<activity
      android:name=".MainActivity"
      android:exported="true">

written in the last words

 给自己立了一个flag:八月底练成马甲线,需要加油了~~~

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Origin blog.csdn.net/weixin_43911199/article/details/126259580