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：
下面是代码的方式:
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>
下面是代码的方式:
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;
}
}