Android检查手机上是否安装了第三方软件的方法------本文以百度地图为例

转于：http://blog.csdn.net/ljb_blog/article/details/11047655

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packagecom.example.myapi.thirdbaidumap;
importjava.net.URISyntaxException;
importjava.util.ArrayList;
importjava.util.List;
importandroid.app.Activity;
importandroid.content.Context;
importandroid.content.Intent;
importandroid.content.pm.PackageInfo;
importandroid.content.pm.PackageManager;
importandroid.net.Uri;
importandroid.os.Bundle;
importandroid.util.Log;
importandroid.view.View;
importandroid.view.View.OnClickListener;
importandroid.widget.Button;
importcom.example.myapi.R;
/**
*测试程序跳转到第三方地图，并将数据传递过去。
*@authortony
*
*/
publicclassThirdBaiduMapTestActivityextendsActivityimplementsOnClickListener{
privateButtonbtn_test;
@Override
protectedvoidonCreate(BundlesavedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.thirdbaidumaptest);
btn_test=(Button)findViewById(R.id.baidu_btn_test);
btn_test.setOnClickListener(this);
}
@Override
publicvoidonClick(Viewv){
switch(v.getId()){
caseR.id.baidu_btn_test:
//如果已安装,
if(isAvilible(this,"com.baidu.BaiduMap")){//传入指定应用包名
Intentintent=null;
try{
//intent=Intent.getIntent("intent://map/direction?origin=latlng:34.264642646862,108.95108518068|name:我家&destination=大雁塔&mode=driving®ion=西安&src=yourCompanyName|yourAppName#Intent;scheme=bdapp;package=com.baidu.BaiduMap;end");
intent=Intent.getIntent("intent://map/direction?"+
"origin=大柏树&"+
"destination=江湾镇"+
"&mode=driving&"+
"region=上海市"+
"&src=yourCompanyName|yourAppName#Intent;scheme=bdapp;package=com.baidu.BaiduMap;end");
startActivity(intent);//启动调用
}catch(URISyntaxExceptione){
Log.e("intent",e.getMessage());
}
}else{//未安装
//market为路径，id为包名
//显示手机上所有的market商店
Uriuri=Uri.parse("market://details?id=com.baidu.BaiduMap");
Intentintent=newIntent(Intent.ACTION_VIEW,uri);
startActivity(intent);
}
break;
}
}
/**
*检查手机上是否安装了指定的软件
*@paramcontext
*@parampackageName：应用包名
*@return
*/
privatebooleanisAvilible(Contextcontext,StringpackageName){
//获取packagemanager
finalPackageManagerpackageManager=context.getPackageManager();
//获取所有已安装程序的包信息
List<PackageInfo>packageInfos=packageManager.getInstalledPackages(0);
//用于存储所有已安装程序的包名
List<String>packageNames=newArrayList<String>();
//从pinfo中将包名字逐一取出，压入pNamelist中
if(packageInfos!=null){
for(inti=0;i<packageInfos.size();i++){
StringpackName=packageInfos.get(i).packageName;
packageNames.add(packName);
}
}
//判断packageNames中是否有目标程序的包名，有TRUE，没有FALSE
returnpackageNames.contains(packageName);
}
}

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