android sharedpreferences
// load file
SharedPreferences sharedPref = getSharedPreferences(PREFERENCES_FILENAME, MODE_PRIVATE);
// read value
String value = sharedPref.getString(PREFERENCE_KEY, null);
// write value
sharedPref.edit()
.putString(PREFERENCE_KEY, value)
.apply();android save int
public void saveInt(int val, String key){
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(mainActivity);
SharedPreferences.Editor editor = prefs.edit();
editor.putInt(key, val);
editor.apply();
}
public int getInt(String key){
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(mainActivity);
int val = prefs.getInt(key, 0);
return val;
}android sharedpreferences
SharedPreferences sharedPref = getSharedPreferences("name", Context.MODE_PRIVATE);
SharedPreferences.Editor editor = sharedPref.edit();
editor.putString("key", "Value");
editor.commit();refresh sharedpreferences going back java
getPreferenceScreen().getSharedPreferences().registerOnSharedPreferenceChangeListener(this);Copyright © 2021 Codeinu
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