攝即是空

private SharedPreferences settings;

private static final String data = "DATA";

private static final String nameField = "NAME";

private static final String phoneField = "PHONE";

private static final String sexField = "SEX";

public void readData(){

settings = getSharedPreferences(data,0);

name.setText(settings.getString(nameField, ""));

phone.setText(settings.getString(phoneField, ""));

sex.setText(settings.getString(sexField, ""));

}

public void saveData(){

settings = getSharedPreferences(data,0);

settings.edit()

.putString(nameField, name.getText().toString())

.putString(phoneField, phone.getText().toString())

.putString(sexField, sex.getText().toString())

.commit();

}