hi am trying to launch the default calculator app the name of the package change according to the the android custom rom used so am trying to start it based on this code
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
<category android:name="android.intent.category.APP_CALCULATOR" />
</intent-filter>
how can i use the activity starter to do it ?
thank you in advance