Shared preferences for creating one time activity

Question

I have three activities A, B and C where A and B are forms and after filling and saving the form data in database (SQLite). I am using intent from A to B and then B to C. What I want is that every time I open my app I want C as my home screen and not A and B anymore.

I guess shared preferences would work for this, but I cannot find a good example to give me a starting place.

Answer 1

Setting values in Preference:

// MY_PREFS_NAME - a static String variable like: 
//public static final String MY_PREFS_NAME = "MyPrefsFile";
SharedPreferences.Editor editor = getSharedPreferences(MY_PREFS_NAME, MODE_PRIVATE).edit();
 editor.putString("name", "Elena");
 editor.putInt("idName", 12);
 editor.apply();

Retrieve data from preference:

SharedPreferences prefs = getSharedPreferences(MY_PREFS_NAME, MODE_PRIVATE); 
String name = prefs.getString("name", "No name defined");//"No name defined" is the default value.
int idName = prefs.getInt("idName", 0); //0 is the default value.

More info:

Using Shared Preferences

Shared Preferences