<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="ht...

<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http...

<?xml version="1.0" encoding="utf-8"?> <androidx.percentlayout.widget.Pe...

遇到第一个问题Android net::ERR_CLEARTEXT_NOT_PERMITTED无法加载url 针对这个问题，我看了一下共有三种解...

1xml内容 <?xml version="1.0" encoding="utf-8"?> <androidx.constraintlayout...

private void sedRwq1() { new Thread(new Runnable(){ public void run() { ...