Add it in your root build.gradle at the end of repositories: allprojects { repositories { //... maven { url 'https://jitpack.io' } } } Add the dependency dependencies { implementation 'com.github.TimScriptov:apkparser:Tag' } Read AndroidManifest.xml val parser = ManifestParser(File("path")) val name = parser.getApplicationName() final ManifestParser parser = new ManifestParser(new File("path")); final String name = parser.getApplicationName(); Update AndroidManifest.xml val parser = ManifestParser(File("path")) parser.setApplicationName("com.mypackage.MyApp") final ManifestParser parser = new ManifestParser(new File("path")); parser.setApplicationName("com.mypackage.MyApp");