編輯:關於android開發
代碼:
first_preference.xml:
1 <?xml version="1.0" encoding="utf-8"?> 2 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android" > 3 4 <PreferenceCategory android:title="第一組" > 5 <CheckBoxPreference 6 android:defaultValue="true" 7 android:icon="@drawable/ic_launcher" 8 android:key="checkbox_key1" 9 android:summary="true" 10 android:title="CheckBoxPreference" /> 11 12 <EditTextPreference 13 android:defaultValue="小米" 14 android:icon="@drawable/ic_launcher" 15 android:key="edit_key1" 16 android:summary="小米" 17 android:title="EditTextPreference" /> 18 </PreferenceCategory> 19 <PreferenceCategory android:title="第二組" > 20 <ListPreference 21 android:dialogIcon="@drawable/ic_launcher" 22 android:entries="@array/citys" 23 android:entryValues="@array/citys_code" 24 android:icon="@drawable/ic_launcher" 25 android:key="listPreferenc_key" 26 android:summary="圓形的選擇(單項選擇)ListPreference" 27 android:title="ListPreference" /> 28 29 <!-- entries和entryValues對應關系 --> 30 <MultiSelectListPreference 31 android:dialogIcon="@drawable/ic_launcher" 32 android:entries="@array/citys" 33 android:entryValues="@array/citys_code" 34 android:icon="@drawable/ic_launcher" 35 android:key="multiSelectListPreference_key" 36 android:summary="方形的選擇(多項選擇)MultiSelectListPreference" 37 android:title="MultiSelectListPreference" /> 38 </PreferenceCategory> 39 40 <RingtonePreference 41 android:icon="@drawable/ic_launcher" 42 android:key="RingtonePreference_key1" 43 android:summary="默認鈴聲" 44 android:title="鈴聲設置" > 45 </RingtonePreference> 46 47 <!-- 點擊將浏覽和打開網頁 --> 48 <Preference 49 android:icon="@drawable/ic_launcher" 50 android:summary="http://www.baidu.com" 51 android:title="浏覽網頁" > 52 <intent 53 android:action="android.intent.action.VIEW" 54 android:data="http://www.baidu.com" /> 55 </Preference> 56 57 <SwitchPreference 58 android:defaultValue="false" 59 android:icon="@drawable/ic_launcher" 60 android:key="switchPreference_key1" 61 android:summary="wifi開關" 62 android:title="wifi" /> 63 64 <!-- 此處將跳轉到下一屏設置 --> 65 <PreferenceScreen 66 android:icon="@drawable/ic_launcher" 67 android:key="preferenceScreen_key" 68 android:persistent="false" 69 android:title="其他設置" > 70 <CheckBoxPreference 71 android:defaultValue="false" 72 android:key="checkbox_key2" 73 android:summary="false" 74 android:title="CheckBoxPreference" /> 75 76 <EditTextPreference 77 android:defaultValue="小米" 78 android:key="edit_key2" 79 android:summary="小米" 80 android:title="EditTextPreference" /> 81 </PreferenceScreen> 82 83 </PreferenceScreen>
arrays.xml:
1 <?xml version="1.0" encoding="utf-8"?> 2 <resources> 3 <string-array name="citys"> 4 <item>成都</item> 5 <item>北京</item> 6 <item>上海</item> 7 </string-array> 8 9 <string-array name="citys_code"> 10 <item>028</item> 11 <item>010</item> 12 <item>021</item> 13 </string-array> 14 </resources>
MainActivity.java:
1 package com.zzw.testpreferenceactivity; 2 3 import android.content.SharedPreferences; 4 import android.content.SharedPreferences.OnSharedPreferenceChangeListener; 5 import android.os.Bundle; 6 import android.preference.CheckBoxPreference; 7 import android.preference.EditTextPreference; 8 import android.preference.ListPreference; 9 import android.preference.MultiSelectListPreference; 10 import android.preference.PreferenceActivity; 11 import android.preference.PreferenceManager; 12 import android.preference.SwitchPreference; 13 14 public class MainActivity extends PreferenceActivity { 15 16 private final String CHECKBOXPREFERENCE_KEY1 = "checkbox_key1"; 17 private final String EDITTEXTPREFERENCE_KEY1 = "edit_key1"; 18 private final String LISTPREFERENCE_KEY = "listPreferenc_key"; 19 private final String MULTISELECTLISTPREFERENCE_KEY = "multiSelectListPreference_key"; 20 private final String SWITCHPREFERENCE_KEY = "switchPreference_key1"; 21 22 private SharedPreferences mSharedPreferences; 23 private OnSharedPreferenceChangeListener mOnSharedPreferenceChangeListener; 24 25 private CheckBoxPreference mCheckBoxPreference; 26 private EditTextPreference mEditTextPreference; 27 private ListPreference mListPreference; 28 private MultiSelectListPreference mMultiSelectListPreference; 29 private SwitchPreference mSwitchPreference; 30 31 @Override 32 protected void onCreate(Bundle savedInstanceState) { 33 super.onCreate(savedInstanceState); 34 35 // 添加設置的選項 36 addPreferencesFromResource(R.xml.first_preference); 37 38 mCheckBoxPreference = (CheckBoxPreference) findPreference(CHECKBOXPREFERENCE_KEY1); 39 mEditTextPreference = (EditTextPreference) findPreference(EDITTEXTPREFERENCE_KEY1); 40 mListPreference = (ListPreference) findPreference(LISTPREFERENCE_KEY); 41 mMultiSelectListPreference = (MultiSelectListPreference) findPreference(MULTISELECTLISTPREFERENCE_KEY); 42 mSwitchPreference = (SwitchPreference) findPreference(SWITCHPREFERENCE_KEY); 43 44 // 獲取SharedPreferences對象 45 mSharedPreferences = PreferenceManager.getDefaultSharedPreferences(getApplicationContext()); 46 47 // 通用的讀取設置的某個值的方法 48 // boolean b = mSharedPreferences.getBoolean("checkbox_key1", false); 49 // Log.d("checkbox_key1", b+""); 50 // 51 // String s = mSharedPreferences.getString("edit_key1", "暫時為空"); 52 // Log.d("edit_key1", s); 53 54 mOnSharedPreferenceChangeListener = new MyOnSharedPreferenceChangeListener(); 55 } 56 57 // 數據發生變化時候的監聽類設置 58 private class MyOnSharedPreferenceChangeListener implements OnSharedPreferenceChangeListener { 59 60 @Override 61 public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) { 62 63 if (CHECKBOXPREFERENCE_KEY1.equals(key)) { 64 65 boolean b = sharedPreferences.getBoolean(CHECKBOXPREFERENCE_KEY1, false); 66 mCheckBoxPreference.setSummary(b + ""); 67 // Toast.makeText(getApplicationContext(), "checkBox變化了,當前值--" + 68 // b, 0).show(); 69 70 } else if (EDITTEXTPREFERENCE_KEY1.equals(key)) { 71 72 String s = sharedPreferences.getString(EDITTEXTPREFERENCE_KEY1, "null"); 73 mEditTextPreference.setSummary(s); 74 // Toast.makeText(getApplicationContext(), "editText變化了,當前值--" + 75 // s, 0).show(); 76 77 } else if (LISTPREFERENCE_KEY.equals(key)) { 78 79 String e = mListPreference.getEntry() + ""; 80 String v = mListPreference.getValue(); 81 mListPreference.setSummary(e + " : " + v); 82 83 } else if (MULTISELECTLISTPREFERENCE_KEY.equals(key)) { 84 // String s_entries="entries:"; 85 // 86 // CharSequence 87 // []entries=mMultiSelectListPreference.getEntries(); 88 // for(CharSequence c:entries){ 89 // s_entries+=c+""+"\t"; 90 // } 91 // 92 // Set<String> values=mMultiSelectListPreference.getValues(); 93 // Iterator<String> it=values.iterator(); 94 // String s_values="values:"; 95 // while(it.hasNext()){ 96 // s_values+=it.next().toString()+"\t"; 97 // } 98 // mMultiSelectListPreference.setSummary(s_entries+"\n"+s_values); 99 100 } else if (SWITCHPREFERENCE_KEY.equals(key)) { 101 102 boolean b = sharedPreferences.getBoolean(SWITCHPREFERENCE_KEY, false); 103 mSwitchPreference.setSummary(b + ""); 104 } 105 } 106 } 107 108 @Override 109 protected void onResume() { 110 super.onResume(); 111 // 注冊數據發生變化時候的監聽 112 mSharedPreferences.registerOnSharedPreferenceChangeListener(mOnSharedPreferenceChangeListener); 113 // getPreferenceScreen().getSharedPreferences() 114 // .registerOnSharedPreferenceChangeListener(mOnSharedPreferenceChangeListener); 115 } 116 117 @Override 118 protected void onPause() { 119 super.onPause(); 120 // 取消數據發生變化時候的監聽 121 mSharedPreferences.unregisterOnSharedPreferenceChangeListener(mOnSharedPreferenceChangeListener); 122 // getPreferenceScreen().getSharedPreferences() 123 // .unregisterOnSharedPreferenceChangeListener(mOnSharedPreferenceChangeListener); 124 } 125 126 }
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