android common intent

Methods.java

// uninstall a package
Intent uninstallIntent = new Intent(Intent.ACTION_DELETE);
uninstallIntent.setData(Uri.parse("package:com.example.app"));
startActivity(uninstallIntent);


// install a package
Intent installIntent = new Intent(Intent.ACTION_INSTALL_PACKAGE);
Uri uri = Uri.parse("file://" + Environment.getExternalStorageDirectory() + "/download/test.apk");
installIntent.setData(uri);
startActivity(installIntent);