How to install/uninstall app with PackageInstaller?

How to install/uninstall app with PackageInstaller? Reference: http://android.amberfog.com/?p=98 ============================== String fileName = Environment.getExternalStorageDirectory() + "/myApp.apk"; Intent intent = new Intent(Intent.ACTION_VIEW); intent.setDataAndType(Uri.fromFile(new File(fileName)), "application/vnd.android.package-archive"); startActivity(intent); ============================== Uri packageURI = Uri.parse("package:com.android.myapp"); Intent uninstallIntent = new Intent(Intent.ACTION_DELETE, packageURI); startActivity(uninstallIntent); ============================== int result = Settings.Secure.getInt(getContentResolver(), Settings.Secure.INSTALL_NON_MARKET_APPS, 0); if (result == 0) { // show some dialog here // ... // and may be show application settings dialog manually Intent intent = new Intent(); intent.setAction(Settings.ACTION_APPLICATION_SETTINGS); startActivity(intent); } ==============================