Android PreferenceActivity

一、目标

JumpToPreferenceActivity.java跳转到MyPreferenceActivity.java.

MyPreferenceActivity.java是应用设置Activity.

因为要和另一个项目关联，所以用了Intent，这里Intent纯粹鸡肋，关键是PreferenceActivity的使用。

二、工程文件结构

JumpToPreferenceActivity.java引用main.xml;

MyPreferenceActivity.java引用setting.xml;

setting.xml中的ListPreference引用/res/values/array.xml中的string-array

image

三、JumpToPreferenceActivity.java

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package com.lucux.prefrence;
 
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
 
public class JumpToPreferenceActivity extends Activity{
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
       
        Button jumpToPrefrenceBtn = (Button)findViewById(R.id.jumpToPrefrenceBtn);
        jumpToPrefrenceBtn.setOnClickListener(new JumpToPrefOnClickListener());
    }
    public class JumpToPrefOnClickListener implements OnClickListener {
 
        @Override
        public void onClick(View v) {
            // TODO Auto-generated method stub
            Intent intent = new Intent();
            intent.setClass( JumpToPreferenceActivity.this,MyPreferenceActivity.class );
            JumpToPreferenceActivity.this.startActivity( intent );
        }
       
    }
}

 

四、MyPreferenceActivity.java

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package com.lucux.prefrence;
 
import android.os.Bundle;
import android.preference.PreferenceActivity;
 
public class MyPreferenceActivity extends PreferenceActivity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        addPreferencesFromResource(R.xml.setting);
    }
}

五、AndroidManifest.xml

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<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.lucux.prefrence"
    android:versionCode="1"
    android:versionName="1.0" >
 
    <uses-sdk android:minSdkVersion="8" />
 
    <application
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name" >
        <activity
            android:name=".JumpToPreferenceActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
 
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
       
        <activity
            android:name=".MyPreferenceActivity">
        </activity>
       
    </application>
 
</manifest>

 

六、mail.xml

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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >
 
    <TextView
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="@string/hello" />
    <Button 
         android:id="@+id/jumpToPrefrenceBtn"
         android:layout_width="fill_parent"
         android:layout_height="wrap_content"
         android:text="跳转到设置"/>
</LinearLayout>

 

七、/res/xml/setting.xml

ListPreference中的属性

android:entries="@array/entries_repeat"      显示给用户的内容
android:entryValues="@array/entriesvalue_repeat"     实际传给java代码的值

在/res/values/array.xml中定义

 

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<?xml version="1.0" encoding="utf-8"?>
<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
 
    <PreferenceCategory android:title="提醒设置">
    <CheckBoxPreference
         android:key="setVibrate"
         android:title="振动"
         android:summaryOn="开启"
         android:summaryOff="关闭"
         android:defaultValue="true"
     />
    <CheckBoxPreference
         android:key="setRingtone"
         android:title="铃声"
         android:summaryOn="开启"
         android:summaryOff="关闭"
         android:defaultValue="true"
     />
    <RingtonePreference
         android:key="chooseRingtone"
         android:title="选择铃声"
         android:summary="还书提醒铃声"
     />
    </PreferenceCategory>
   
    <PreferenceCategory android:title="再响设置">
        <ListPreference
         android:key="setRepeat"
         android:title="再响"
         android:summary="选择几天后再次提醒"
         android:dialogTitle="选择几天后再次提醒"
         android:entries="@array/entries_repeat"
         android:entryValues="@array/entriesvalue_repeat"
     />
    </PreferenceCategory>
 
    <PreferenceCategory android:title="期限设置">
        <ListPreference
         android:key="setDeadline"
         android:title="还书期限"
         android:summary="系统会在期限时间后提醒您还书"
         android:dialogTitle="选择还书期限"
         android:entries="@array/entries_deadline"
         android:entryValues="@array/entriesvalue_deadline"
     />
    </PreferenceCategory>
   
</PreferenceScreen>

八、array.xml

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<?xml version="1.0" encoding="utf-8"?>
<resources>
<string-array name="entries_repeat">
    <item>1天</item>
    <item>2天</item>
    <item>3天</item>
    <item>4天</item>
    <item>5天</item>
    <item>6天</item>
    <item>7天</item>
    <item>8天</item>
    <item>9天</item>
    <item>10天</item>
</string-array>
<string-array name="entriesvalue_repeat">
    <item>1</item>
    <item>2</item>
    <item>3</item>
    <item>4</item>
    <item>5</item>
    <item>6</item>
    <item>7</item>
    <item>8</item>
    <item>9</item>
    <item>10</item>
</string-array>
 
<string-array name="entries_deadline">
    <item>10天</item>
    <item>20天</item>
    <item>30天</item>
    <item>40天</item>
    <item>50天</item>
    <item>60天</item>
    <item>70天</item>
    <item>80天</item>
    <item>90天</item>
    <item>100天</item>
</string-array>   
<string-array name="entriesvalue_deadline">
    <item>10</item>
    <item>20</item>
    <item>30</item>
    <item>40</item>
    <item>50</item>
    <item>60</item>
    <item>70</item>
    <item>80</item>
    <item>90</item>
    <item>100</item>
</string-array>   
   
</resources>

九、效果图

 PreferenceActivity

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