0804-APP-Preference-default-values

展示有默认值的Preferences,这个例子除了xmlt的没有什么特殊的

<?xml version="1.0" encoding="utf-8"?><!-- Copyright (C) 2008 The Android Open Source Project     Licensed under the Apache License, Version 2.0 (the "License");     you may not use this file except in compliance with the License.     You may obtain a copy of the License at          http://www.apache.org/licenses/LICENSE-2.0     Unless required by applicable law or agreed to in writing, software     distributed under the License is distributed on an "AS IS" BASIS,     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.     See the License for the specific language governing permissions and     limitations under the License.--><!-- This is a primitive example showing how to set default values for preferences.     See DefaultValues.java for more information. --><PreferenceScreen        xmlns:android="http://schemas.android.com/apk/res/android">    <CheckBoxPreference            android:key="default_toggle"            android:defaultValue="true"            android:title="@string/title_checkbox_preference"            android:summary="@string/summary_checkbox_preference" />    <EditTextPreference            android:key="default_edittext"            android:defaultValue="@string/default_value_edittext_preference"            android:title="@string/title_edittext_preference"            android:summary="@string/summary_edittext_preference"            android:dialogTitle="@string/dialog_title_edittext_preference" />                <ListPreference            android:key="default_list"            android:defaultValue="@string/default_value_list_preference"            android:title="@string/title_list_preference"            android:summary="@string/summary_list_preference"            android:entries="@array/entries_list_preference"            android:entryValues="@array/entryvalues_list_preference"            android:dialogTitle="@string/dialog_title_list_preference" /></PreferenceScreen>

注释：对于ListPreference来说default_value_list_preference是arry entryvalues_list_preference中的某一个值