How to Install / Uninstall .apk file application programmatically on Android?

Are you want to install / Uninstall .apk file application programmatically on Android?

Install / Uninstall .apk file application programmatically on Android steps

For Installation:

To Installation .apk application programmatically on Android, use following code

  Intent intent = new Intent(Intent.ACTION_VIEW);
         intent.setDataAndType(Uri.fromFile(new File