浣跨敤Android Preference涓昏鍖呮嫭浠ヤ笅鍑犱釜姝ラ锛?/p>

1. 鍒涘缓涓€涓狿reference XML鏂囦欢锛氬湪res/xml鐩綍涓嬪垱寤轰竴涓猉ML鏂囦欢锛屽畾涔塒reference鐨勭粨鏋勫拰灞炴€с€?/p>

2. 鍒涘缓涓€涓狿referenceFragment鎴栬€匬referenceActivity锛歅referenceFragment鏄疉ndroid 3.0鍙婁互涓婄増鏈腑浣跨敤鐨勶紝鑰孭referenceActivity鏄疉ndroid 3.0浠ヤ笅鐗堟湰浣跨敤鐨勩€?/p>

3. 鍔犺浇Preference XML鏂囦欢锛氬湪PreferenceFragment鎴栬€匬referenceActivity涓姞杞戒笂涓€姝ュ垱寤虹殑Preference XML鏂囦欢銆?/p>

4. 澶勭悊Preference鐨勫彉鍖栵細濡傛灉闇€瑕佸鐞哖reference鍙樺寲鐨勪簨浠讹紝鍙互浣跨敤OnPreferenceChangeListener鐩戝惉Preference鐨勫彉鍖栵紝骞跺湪鍥炶皟鏂规硶涓繘琛岀浉搴旂殑澶勭悊銆?/p>

涓嬮潰鏄竴涓畝鍗曠殑渚嬪瓙锛?/p>

1. 鍒涘缓涓€涓猵reference.xml鏂囦欢锛屽畾涔変竴涓猄witchPreference鍜屼竴涓狶istPreference锛?/li>

<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
<SwitchPreference
android:key="switch_preference"
android:title="Switch Preference"
android:summary="This is a switch preference" />
<ListPreference
android:key="list_preference"
android:title="List Preference"
android:summary="This is a list preference"
android:entries="@array/list_entries"
android:entryValues="@array/list_entry_values" />
</PreferenceScreen>

2. 鍒涘缓涓€涓狿referenceFragment锛屽苟鍦╫nCreate()鏂规硶涓姞杞絧reference.xml鏂囦欢锛?/li>

public class MyPreferenceFragment extends PreferenceFragment {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
addPreferencesFromResource(R.xml.preference);
}
}

3. 鍦ˋctivity涓姞杞絇referenceFragment锛?/li>

public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
getFragmentManager().beginTransaction()
.replace(android.R.id.content, new MyPreferenceFragment())
.commit();
}
}

4. 澶勭悊Preference鐨勫彉鍖栵紝鍦≒referenceFragment涓坊鍔燨nPreferenceChangeListener鐩戝惉鍣細

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
addPreferencesFromResource(R.xml.preference);
Preference switchPreference = findPreference("switch_preference");
switchPreference.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
boolean isChecked = (boolean) newValue;
// 澶勭悊SwitchPreference鐨勫彉鍖?/span>
return true; // 杩斿洖true琛ㄧず澶勭悊瀹孭reference鐨勫彉鍖?/span>
}
});
Preference listPreference = findPreference("list_preference");
listPreference.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
String selectedValue = (String) newValue;
// 澶勭悊ListPreference鐨勫彉鍖?/span>
return true; // 杩斿洖true琛ㄧず澶勭悊瀹孭reference鐨勫彉鍖?/span>
}
});
}

浠ヤ笂灏辨槸浣跨敤Android Preference鐨勫熀鏈楠わ紝閫氳繃杩欑鏂瑰紡鍙互鏂逛究鍦扮鐞嗗拰鎿嶄綔搴旂敤绋嬪簭鐨勮缃€?/p>