设置属性页面
设置属性页面有两种方式
1、用xml完全的配置方式
2、完全使用代码的方式
xml配置方式：
<?xml version="1.0" encoding="utf-8"?><!-- This is a primitive example showing the different types of preferences available. --><PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"> <PreferenceCategory android:title="@string/inline_preferences"> <CheckBoxPreference android:key="checkbox_preference" android:title="@string/title_toggle_preference" android:summary="@string/summary_toggle_preference" /> </PreferenceCategory> <PreferenceCategory android:title="@string/dialog_based_preferences"> <EditTextPreference android:key="edittext_preference" android:title="@string/title_edittext_preference" android:summary="@string/summary_edittext_preference" android:dialogTitle="@string/dialog_title_edittext_preference" /> <ListPreference android:key="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" /> </PreferenceCategory> <PreferenceCategory android:title="@string/launch_preferences"> <!-- This PreferenceScreen tag serves as a screen break (similar to page break in word processing). Like for other preference types, we assign a key here so it is able to save and restore its instance state. --> <PreferenceScreen android:key="screen_preference" android:title="@string/title_screen_preference" android:summary="@string/summary_screen_preference"> <!-- You can place more preferences here that will be shown on the next screen. --> <CheckBoxPreference android:key="next_screen_checkbox_preference" android:title="@string/title_next_screen_toggle_preference" android:summary="@string/summary_next_screen_toggle_preference" /> </PreferenceScreen> <PreferenceScreen android:title="@string/title_intent_preference" android:summary="@string/summary_intent_preference"> <intent android:action="android.intent.action.VIEW" android:data="http://www.android.com" /> </PreferenceScreen> </PreferenceCategory> <PreferenceCategory android:title="@string/preference_attributes"> <CheckBoxPreference android:key="parent_checkbox_preference" android:title="@string/title_parent_preference" android:summary="@string/summary_parent_preference" /> <!-- The visual style of a child is defined by this styled theme attribute. --> <CheckBoxPreference android:key="child_checkbox_preference" android:dependency="parent_checkbox_preference" android:layout="?android:attr/preferenceLayoutChild" android:title="@string/title_child_preference" android:summary="@string/summary_child_preference" /> </PreferenceCategory> </PreferenceScreen>
package com.example.android.apis.app;import android.content.Intent;import android.content.res.TypedArray;import android.net.Uri;import android.os.Bundle;import android.preference.CheckBoxPreference;import android.preference.EditTextPreference;import android.preference.ListPreference;import android.preference.PreferenceActivity;import android.preference.PreferenceCategory;import android.preference.PreferenceScreen;import com.example.android.apis.R;public class PreferencesFromCode extends PreferenceActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setPreferenceScreen(createPreferenceHierarchy()); } private PreferenceScreen createPreferenceHierarchy() { // Root PreferenceScreen root = getPreferenceManager().createPreferenceScreen(this); // Inline preferences PreferenceCategory inlinePrefCat = new PreferenceCategory(this); inlinePrefCat.setTitle(R.string.inline_preferences); root.addPreference(inlinePrefCat); // Toggle preference CheckBoxPreference togglePref = new CheckBoxPreference(this); togglePref.setKey("toggle_preference"); togglePref.setTitle(R.string.title_toggle_preference); togglePref.setSummary(R.string.summary_toggle_preference); inlinePrefCat.addPreference(togglePref); // Dialog based preferences PreferenceCategory dialogBasedPrefCat = new PreferenceCategory(this); dialogBasedPrefCat.setTitle(R.string.dialog_based_preferences); root.addPreference(dialogBasedPrefCat); // Edit text preference EditTextPreference editTextPref = new EditTextPreference(this); editTextPref.setDialogTitle(R.string.dialog_title_edittext_preference); editTextPref.setKey("edittext_preference"); editTextPref.setTitle(R.string.title_edittext_preference); editTextPref.setSummary(R.string.summary_edittext_preference); dialogBasedPrefCat.addPreference(editTextPref); // List preference ListPreference listPref = new ListPreference(this); listPref.setEntries(R.array.entries_list_preference); listPref.setEntryValues(R.array.entryvalues_list_preference); listPref.setDialogTitle(R.string.dialog_title_list_preference); listPref.setKey("list_preference"); listPref.setTitle(R.string.title_list_preference); listPref.setSummary(R.string.summary_list_preference); dialogBasedPrefCat.addPreference(listPref); // Launch preferences PreferenceCategory launchPrefCat = new PreferenceCategory(this); launchPrefCat.setTitle(R.string.launch_preferences); root.addPreference(launchPrefCat); /* * The Preferences screenPref serves as a screen break (similar to page * break in word processing). Like for other preference types, we assign * a key here so that it is able to save and restore its instance state. */ // Screen preference PreferenceScreen screenPref = getPreferenceManager().createPreferenceScreen(this); screenPref.setKey("screen_preference"); screenPref.setTitle(R.string.title_screen_preference); screenPref.setSummary(R.string.summary_screen_preference); launchPrefCat.addPreference(screenPref); /* * You can add more preferences to screenPref that will be shown on the * next screen. */ // Example of next screen toggle preference CheckBoxPreference nextScreenCheckBoxPref = new CheckBoxPreference(this); nextScreenCheckBoxPref.setKey("next_screen_toggle_preference"); nextScreenCheckBoxPref.setTitle(R.string.title_next_screen_toggle_preference); nextScreenCheckBoxPref.setSummary(R.string.summary_next_screen_toggle_preference); screenPref.addPreference(nextScreenCheckBoxPref); // Intent preference PreferenceScreen intentPref = getPreferenceManager().createPreferenceScreen(this); intentPref.setIntent(new Intent().setAction(Intent.ACTION_VIEW) .setData(Uri.parse("http://www.android.com"))); intentPref.setTitle(R.string.title_intent_preference); intentPref.setSummary(R.string.summary_intent_preference); launchPrefCat.addPreference(intentPref); // Preference attributes PreferenceCategory prefAttrsCat = new PreferenceCategory(this); prefAttrsCat.setTitle(R.string.preference_attributes); root.addPreference(prefAttrsCat); // Visual parent toggle preference CheckBoxPreference parentCheckBoxPref = new CheckBoxPreference(this); parentCheckBoxPref.setTitle(R.string.title_parent_preference); parentCheckBoxPref.setSummary(R.string.summary_parent_preference); prefAttrsCat.addPreference(parentCheckBoxPref); // Visual child toggle preference // See res/values/attrs.xml for the <declare-styleable> that defines // TogglePrefAttrs. TypedArray a = obtainStyledAttributes(R.styleable.TogglePrefAttrs); CheckBoxPreference childCheckBoxPref = new CheckBoxPreference(this); childCheckBoxPref.setTitle(R.string.title_child_preference); childCheckBoxPref.setSummary(R.string.summary_child_preference); childCheckBoxPref.setLayoutResource( a.getResourceId(R.styleable.TogglePrefAttrs_android_preferenceLayoutChild, 0)); prefAttrsCat.addPreference(childCheckBoxPref); a.recycle(); return root; }}