Tutorial 11 -Shared Preferences

 

This is Sample Project Which you can improve UI design & Coding skills .

LoginActivity

SharedPreferences sharedPreferences;

private static final String SHARED_PREF_NAME = "mypref";
private static final String KEY_NAME = "email";

SharedPreferences.Editor editor = sharedPreferences.edit();
editor.putString(KEY_NAME,mEmail.getText().toString());
editor.apply();

String email = sharedPreferences.getString(KEY_NAME,null);

if (email != null){
    Intent intent = new Intent(LoginActivity.this,HomeActivity.class);
    startActivity(intent);
}

HomeActivity

SharedPreferences sharedPreferences;

private static final String SHARED_PREF_NAME = "mypref";
private static final String KEY_NAME = "email";

sharedPreferences = getSharedPreferences(SHARED_PREF_NAME,MODE_PRIVATE);

String email = sharedPreferences.getString(KEY_NAME,null);

Logoutbutton

SharedPreferences.Editor editor = sharedPreferences.edit();
editor.clear();
editor.commit();