android 8.0安装apk需要请求未知来源权限
//xml配置
<uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES"/>
/**
* 检测版本8.0
*/
public void checkOreo() {
if (SdkVersionUtils.hasOreo()) {//8.0
//判断是否可以直接安装
boolean canInstall = getPackageManager().canRequestPackageInstalls();
if (canInstall) {
//安装apk
installApk();
} else {
//rxpermissions请求权限
mRxPermissions
.request(Manifest.permission.REQUEST_INSTALL_PACKAGES)
.subscribe(granted -> {
if (granted) {
//安装apk
installApk();
} else if (shouldShowRequestPermissionRationale(Manifest.permission.REQUEST_INSTALL_PACKAGES)) {
//引导用户去打开权限
Intent intent = new Intent(Settings.ACTION_MANAGE_UNKNOWN_APP_SOURCES);
startActivityForResult(intent, GET_UNKNOWN_APP_SOURCES);
} else {
Intent intent = new Intent(Settings.ACTION_MANAGE_UNKNOWN_APP_SOURCES);
startActivityForResult(intent, GET_UNKNOWN_APP_SOURCES);
}
});
}
} else {
//安装apk
installApk()
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
switch (requestCode) {
case GET_UNKNOWN_APP_SOURCES:
checkOreo();
break;
}
}