我正在从用户那里获取 IP、端口和设备名称设置,并在初始化对象时使用它们。但是,当我进行设置时,这些设置不会在应用程序中更新,直到我重新启动应用程序。
这是我的设置文件-
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
addPreferencesFromResource(R.layout.settings);
SharedPreferences sp = getPreferenceScreen().getSharedPreferences();
EditTextPreference editTextPrefLAN = (EditTextPreference) findPreference("prefABCLan");
editTextPrefLAN
.setSummary(sp.getString("prefABCLan", "Set your LAN IP"));
EditTextPreference editTextPrefPort = (EditTextPreference) findPreference("prefABCPort");
editTextPrefPort
.setSummary(sp.getString("prefABCPort", "Set your port"));
EditTextPreference editTextPrefDeviceName = (EditTextPreference) findPreference("prefABCDeviceName");
editTextPrefDeviceName
.setSummary(sp.getString("prefABCDeviceName", "Set your device name"));
/*EditTextPreference editTextPrefScopeIP = (EditTextPreference) findPreference("prefScopeIP");
editTextPrefScopeIP
.setSummary(sp.getString("prefScopeIP", "Set your Scope IP"));
EditTextPreference editTextPrefScopeLogin = (EditTextPreference) findPreference("prefScopeLogin");
*/
}
protected void onResume() {
super.onResume();
getPreferenceScreen().getSharedPreferences()
.registerOnSharedPreferenceChangeListener(this);
}
protected void onStop() {
super.onStop();
getPreferenceScreen().getSharedPreferences()
.registerOnSharedPreferenceChangeListener(this);
}
protected void onPause() {
super.onPause();
getPreferenceScreen().getSharedPreferences()
.unregisterOnSharedPreferenceChangeListener(this);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.actionbar, menu);
return true;
}
public void onSharedPreferenceChanged(SharedPreferences sharedPreferences,
String key) {
Preference pref = findPreference(key);
if (pref instanceof EditTextPreference) {
EditTextPreference etp = (EditTextPreference) pref;
pref.setSummary(etp.getText());
}
}
我的代码中有什么需要做的吗?