seeting菜单界面形成-优化

 1 package com.zzw.testpreferenceactivity; 2  3 import android.app.Activity; 4 import android.os.Bundle; 5  6 public class MainActivity extends Activity { 7  8     @Override 9     protected void onCreate(Bundle savedInstanceState) {10         super.onCreate(savedInstanceState);11 12         this.getFragmentManager().beginTransaction()13         .replace(android.R.id.content, new SettingFragment()).commit();14     }15 16 }

  1 package com.zzw.testpreferenceactivity;  2   3 import java.util.Iterator;  4 import java.util.Set;  5   6 import android.content.SharedPreferences;  7 import android.content.SharedPreferences.OnSharedPreferenceChangeListener;  8 import android.os.Bundle;  9 import android.preference.CheckBoxPreference; 10 import android.preference.EditTextPreference; 11 import android.preference.ListPreference; 12 import android.preference.MultiSelectListPreference; 13 import android.preference.PreferenceFragment; 14 import android.preference.PreferenceManager; 15 import android.preference.SwitchPreference; 16 import android.widget.Toast; 17  18 public class SettingFragment extends PreferenceFragment { 19  20     private final String CHECKBOXPREFERENCE_KEY1 = "checkbox_key1"; 21     private final String EDITTEXTPREFERENCE_KEY1 = "edit_key1"; 22     private final String LISTPREFERENCE_KEY = "listPreferenc_key"; 23     private final String MULTISELECTLISTPREFERENCE_KEY = "multiSelectListPreference_key"; 24     private final String SWITCHPREFERENCE_KEY = "switchPreference_key1"; 25  26     private SharedPreferences mSharedPreferences; 27     private OnSharedPreferenceChangeListener mOnSharedPreferenceChangeListener; 28  29     private CheckBoxPreference mCheckBoxPreference; 30     private EditTextPreference mEditTextPreference; 31     private ListPreference mListPreference; 32     private MultiSelectListPreference mMultiSelectListPreference; 33     private SwitchPreference mSwitchPreference; 34  35     @Override 36     public void onCreate(Bundle savedInstanceState) { 37         super.onCreate(savedInstanceState); 38  39         // 添加设置的选项 40         addPreferencesFromResource(R.xml.first_preference); 41  42         mCheckBoxPreference = (CheckBoxPreference) findPreference(CHECKBOXPREFERENCE_KEY1); 43         mEditTextPreference = (EditTextPreference) findPreference(EDITTEXTPREFERENCE_KEY1); 44         mListPreference = (ListPreference) findPreference(LISTPREFERENCE_KEY); 45         mMultiSelectListPreference = (MultiSelectListPreference) findPreference(MULTISELECTLISTPREFERENCE_KEY); 46         mSwitchPreference = (SwitchPreference) findPreference(SWITCHPREFERENCE_KEY); 47  48         // 获取SharedPreferences对象 49         mSharedPreferences = PreferenceManager.getDefaultSharedPreferences(getActivity()); 50  51         // 通用的读取设置的某个值的方法 52         // boolean b = mSharedPreferences.getBoolean("checkbox_key1", false); 53         // Log.d("checkbox_key1", b+""); 54         // 55         // String s = mSharedPreferences.getString("edit_key1", "暂时为空"); 56         // Log.d("edit_key1", s); 57  58         mOnSharedPreferenceChangeListener = new MyOnSharedPreferenceChangeListener(); 59     } 60  61     // 数据发生变化时候的监听类设置 62     private class MyOnSharedPreferenceChangeListener implements OnSharedPreferenceChangeListener { 63  64         @Override 65         public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) { 66             switch (key) { 67             case CHECKBOXPREFERENCE_KEY1: 68  69                 boolean b = sharedPreferences.getBoolean(CHECKBOXPREFERENCE_KEY1, false); 70                 mCheckBoxPreference.setSummary(b + ""); 71                 break; 72  73             case EDITTEXTPREFERENCE_KEY1: 74  75                 String s = sharedPreferences.getString(EDITTEXTPREFERENCE_KEY1, "null"); 76                 mEditTextPreference.setSummary(s); 77                 break; 78  79             case LISTPREFERENCE_KEY: 80  81                 String e = mListPreference.getEntry() + ""; 82                 String v = mListPreference.getValue(); 83                 mListPreference.setSummary(e + " : " + v); 84                 break; 85  86             case MULTISELECTLISTPREFERENCE_KEY: 87  88 //                String s_entries = "entries:"; 89 // 90 //                CharSequence[] entries = mMultiSelectListPreference.getEntries(); 91 //                for (CharSequence c : entries) { 92 //                    s_entries += c + "" + "\t"; 93 //                } 94 // 95 //                Set<String> values = mMultiSelectListPreference.getValues(); 96 //                Iterator<String> it = values.iterator(); 97 //                String s_values = "values:"; 98 //                while (it.hasNext()) { 99 //                    s_values += it.next().toString() + "\t";100 //                }101 //                mMultiSelectListPreference.setSummary(s_entries + "\n" + s_values);102                 break;103 104             case SWITCHPREFERENCE_KEY:105                 106                 boolean boo = sharedPreferences.getBoolean(SWITCHPREFERENCE_KEY, false);107                 mSwitchPreference.setSummary(boo + "");108                 109                 break;110             default:111                 break;112             }113         }114     }115 116     @Override117     public void onResume() {118         super.onResume();119         // 注册数据发生变化时候的监听120         mSharedPreferences.registerOnSharedPreferenceChangeListener(mOnSharedPreferenceChangeListener);121         // getPreferenceScreen().getSharedPreferences()122         // .registerOnSharedPreferenceChangeListener(mOnSharedPreferenceChangeListener);123     }124 125     @Override126     public void onPause() {127         super.onPause();128         // 取消数据发生变化时候的监听129         mSharedPreferences.unregisterOnSharedPreferenceChangeListener(mOnSharedPreferenceChangeListener);130         // getPreferenceScreen().getSharedPreferences()131         // .unregisterOnSharedPreferenceChangeListener(mOnSharedPreferenceChangeListener);132     }133 }