怎么把androidapk版本降低,android apk安装提示解析出现问题

细细看，清单文件中先加权限
android.permission.REQUEST_INSTALL_PACKAGES
1保证已有外部读写权限：
2
implementation ‘com.yanzhenjie:permission:2.0.3’
3
安装apk相关代码

File file = ...;AndPermission.with(this) .install() .file(file) .start();

https://yanzhenjie.com/AndPermission/cn/install/

https://github.com/yanzhenjie/AndPermission