Sharedpreferences With Switch Button

I have a project, i want to save state of switch button on sharedpreferences. but it not working. Switch button always off when i switch activity or close app and reopen. what wron

Solution 1:

You need to retrieve the values from shared preferences and then set the button state in onCreate method

SharedPreferencespreferences= getPreferences(MODE_PRIVATE);
booleantgpref= preferences.getBoolean("tgpref", true);  //default is trueif (tgpref = true) //if (tgpref) may be enough, not sure
{
  tg.setChecked(true);
}
else
{
  tg.setChecked(false);
}

Solution 2:

the onCheckedChanged-method in the end will never be called and therefore your states are not going to be saved.

The reason for this is, that you are declaring a new listener for every switch. call

saveinSp("sw1", isChecked);

in the listener of switch one or set your class as listener for the switches and handle all changes there:

switch.setOnCheckedChangedListener(this);