SharedPreference数据存储
@Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); //获取一个SharedPreferences对象 SharedPreferences sp = getSharedPreferences("dataInfo", 0); String user = sp.getString("user", ""); String password = sp.getString("password", ""); ((EditText)findViewById(R.id.user)).setText(user); ((EditText)findViewById(R.id.password)).setText(password); }@Overrideprotected void onStop() {super.onStop();SharedPreferences sp = getSharedPreferences("dataInfo", 0);sp.edit().putString("user", ((EditText)findViewById(R.id.user)).getText().toString()).putString("password", ((EditText)findViewById(R.id.password)).getText().toString()).commit();}