private voidautoInstallApk(File file){

Logger.d("开始安装");

Logger.d(file.getPath());

if(FileUtil.getExtension(file.getPath()).equals("apk")){

Logger.d("正在安装");

finalIntent install =newIntent();

install.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

install.setAction(Intent.ACTION_VIEW);

Uri uri =null;

if(Build.VERSION.SDK_INT>= Build.VERSION_CODES.N) {

install.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);

uri = FileProvider.getUriForFile(Core.getApplicationContext(),"com.nbhero.jiebo.fileprovider", file);//通过FileProvider创建一个content类型的Uri

}else{

uri = Uri.fromFile(file)；

}

install.setDataAndType(uri,"application/vnd.android.package-archive");

Log.e("zlz", Environment.getExternalStorageDirectory().getPath() );

Core.getApplicationContext().startActivity(install);

}

}

---

创建 provider

android:name="android.support.v4.content.FileProvider"

android:authorities="com.nbhero.jiebo.fileprovider"

android:grantUriPermissions="true"

android:exported="false">

android:name="android.support.FILE_PROVIDER_PATHS"

android:resource="@xml/file_paths"/>

---

添加 xml