Android/Java: Shared Preferences

Constants

private SharedPreferences sharedPreferences;
private SharedPreferences.Editor editorSharedPreferences;
private String KEY="KEY";

@Override
protected void onCreate(Bundle savedInstanceState) {
 // TODO
 sharedPreferences = getSharedPreferences(KEY, Context.MODE_PRIVATE);
 editorSharedPreferences = sharedPreferences.edit();
}

Save Shared Preference

editorSharedPreferences.putString(KEY,"TEXT");
editorSharedPreferences.apply();

Get Shared Preference

if (sharedPreferences.contains(KEY)) {
 String text = sharedPreferences.getString(KEY, "");
 // TODO
}

Delete Shared Preference

editorSharedPreferences.remove(KEY);
editorSharedPreferences.commit();

Screenshots

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