Android install / uninstall APK by Intent

使用此方法，會有提示視窗

參考連結

Install APK using Intent

Intent intent = new Intent(Intent.ACTION_VIEW);
intent.setDataAndType(apkUri, "application/vnd.android.package-archive");
startActivity(intent);

Uninstall APK using Intent:

Intent intent = new Intent(Intent.ACTION_DELETE, Uri.fromParts("package",
getPackageManager().getPackageArchiveInfo(apkUri.getPath(), 0).packageName,null));
startActivity(intent);