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我想用PreferenceScreen
我的應用程序設置,但我想表明,該首下ToollBar
。
toolbar.xml代碼:如何設置工具欄,PreferenceScreen在android系統
<android.support.v7.widget.Toolbar
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="@+id/toolbar"
app:theme="@style/ThemeOverlay.AppCompat.ActionBar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:minHeight="?attr/actionBarSize"
app:navigationContentDescription="@string/abc_action_bar_up_description"
android:background="?attr/colorPrimary"
app:navigationIcon="?attr/homeAsUpIndicator"
app:title="Setting Page"
/>
setting_preferences.xml(路徑是:RES/XML)代碼:
<?xml version="1.0" encoding="utf-8"?>
<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
<PreferenceCategory
android:key="setting_title_title_category"
android:title="Title options">
<CheckBoxPreference
android:id="@+id/setting_title_show_id"
android:key="setting_title_show"
android:title="Show Main Title"
android:summary="Show/hide MainPage title"
android:checked="true"/>
<EditTextPreference
android:key="setting_title_text"
android:title="Set Main Title"
android:summary="Change MainPage title"
android:dialogTitle="Change Title"
android:dialogMessage="Change title please..."/>
</PreferenceCategory>
<PreferenceCategory
android:key="setting_title_font_category"
android:title="Font options">
<ListPreference
android:key="setting_title_font_color"
android:title="Title font colors"
android:summary="Change title font colors"
android:entries="@array/colors"
android:entryValues="@array/colors"
android:dialogTitle="Change font color" />
</PreferenceCategory>
</PreferenceScreen>
SettingPage代碼:
public class SettingPage extends PreferenceActivity implements SharedPreferences.OnSharedPreferenceChangeListener {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getFragmentManager().beginTransaction().replace(android.R.id.content, new MyPreferenceFragment()).commit();
}
@Override
public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
if (key.equals("setting_title_font_color")) {
// get preference by key
Preference pref = findPreference(key);
// do your stuff here
}
if (key.equals("setting_title_show")){
Preference pref = findPreference(key);
}
}
public static class MyPreferenceFragment extends PreferenceFragment {
@Override
public void onCreate(final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
addPreferencesFromResource(R.xml.setting_prefrences);
}
}
它怎麼樣?顯示setting_preferences.xml beloe工具欄。
我想用這個方法:'Preference pref = findPreference(key);',並且在Activity/AppCompatActivity中不使用這個方法。我應該使用這個'PreferenceActivity' –
是的,我明白了。我要求你使用'PreferenceFragment'而不是'PreferenceActivity'。 'PreferenceFragment'具有你想要使用的'findPreference'方法。 – jaibatrik
http://developer.android.com/reference/android/preference/PreferenceFragment.html – jaibatrik