android Launcher3设置默认桌面应用

android launcher3 设置默认桌面应用，供大家参考，具体内容如下

launcher3 的默认桌面应用是在 res/xml里

默认有4种样式

default_workspace_3x3.xml
default_workspace_4x4.xml
default_workspace_5x5.xml
default_workspace_5x6.xml

我们看看default_workspace_3x3.xml

<?xml version="1.0" encoding="utf-8"?>
<favorites xmlns:launcher="http://schemas.android.com/apk/res-auto/com.android.launcher3">

 <!-- Hotseat (We use the screen as the position of the item in the hotseat) -->
 <!-- Messaging, [All Apps], Dialer -->

 <resolve
  launcher:container="-101"
  launcher:screen="0"
  launcher:x="0"
  launcher:y="0" >
  <favorite launcher:uri="#Intent;action=android.intent.action.MAIN;category=android.intent.category.APP_MESSAGING;end" />
  <favorite launcher:uri="sms:" />
  <favorite launcher:uri="smsto:" />
  <favorite launcher:uri="mms:" />
  <favorite launcher:uri="mmsto:" />
 </resolve>

 <!-- All Apps -->

 <resolve
  launcher:container="-101"
  launcher:screen="2"
  launcher:x="2"
  launcher:y="0" >
  <favorite launcher:uri="#Intent;action=android.intent.action.DIAL;end" />
  <favorite launcher:uri="tel:123" />
  <favorite launcher:uri="#Intent;action=android.intent.action.CALL_BUTTON;end" />
 </resolve>

 <!-- Bottom row -->
 <resolve
  launcher:screen="0"
  launcher:x="0"
  launcher:y="-1" >
  <favorite launcher:uri="#Intent;action=android.intent.action.MAIN;category=android.intent.category.APP_EMAIL;end" />
  <favorite launcher:uri="mailto:" />
 </resolve>

 <resolve
  launcher:screen="0"
  launcher:x="1"
  launcher:y="-1" >
  <favorite launcher:uri="#Intent;action=android.intent.action.MAIN;category=android.intent.category.APP_GALLERY;end" />
  <favorite launcher:uri="#Intent;type=images/*;end" />
 </resolve>

 <resolve
  launcher:screen="0"
  launcher:x="2"
  launcher:y="-1" >
  <favorite launcher:uri="#Intent;action=android.intent.action.MAIN;category=android.intent.category.APP_MARKET;end" />
  <favorite launcher:uri="market://details?id=com.android.launcher" />
 </resolve>

 <!-- Second last row -->
 <resolve
  launcher:screen="0"
  launcher:x="0"
  launcher:y="-2" >
  <favorite launcher:uri="#Intent;action=android.intent.action.MAIN;category=android.intent.category.APP_BROWSER;end" />
  <favorite launcher:uri="http://www.example.com/" />
 </resolve>

 <resolve
  launcher:screen="0"
  launcher:x="2"
  launcher:y="-2" >
  <favorite launcher:uri="#Intent;action=android.media.action.STILL_IMAGE_CAMERA;end" />
  <favorite launcher:uri="#Intent;action=android.intent.action.CAMERA_BUTTON;end" />
 </resolve>

</favorites>

几个属性说明

<resolve
  launcher:container="-101"//-101应该代表是hotseat，也就是说此应用将处于hotseat里
  launcher:screen="0"//应用所处屏幕
  launcher:x="0"//应用图标所处x位置
  launcher:y="0" >//应用图标所处y位置 
  <favorite //标明这是快捷方式
  launcher:className="com.android.dialer.DialtactsActivity"//点击图标启动的类
  launcher:packageName="com.android.dialer" //应用包名 />
</resolve>

其他说明
x,y,screen

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