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java实现获取安卓设备里已安装的软件包

2019年07月22日  | 移动技术网IT编程  | 我要评论

之前的文章向大家介绍了几个项目中常用的实用功能，那么在这篇文中，我将向大家介绍如何获取android手机中已经安装的手机应用程序，好了，废话不多说，直接上代码

private string getinstalledapplistasstring(){
    packagemanager pm = context.getpackagemanager();
    list<applicationinfo> apps = pm.getinstalledapplications(packagemanager.get_gids);
    stringbuffer stringbuffer = new stringbuffer();
    for (applicationinfo app : apps) {
      if(pm.getlaunchintentforpackage(app.packagename) != null) {
        // apps with launcher intent
        if((app.flags & applicationinfo.flag_updated_system_app) == 1) {
          // updated system apps
 
        } else if ((app.flags & applicationinfo.flag_system) == 1) {
          // system apps
 
        } else {
          // user installed apps
          stringbuffer.append(app.packagename).append(';');
        }
      }
    }
    return stringbuffer.tostring();
  }

下面我们看看具体如何获取各个应用的相关信息呢

package cn.lyz.mobilesafe.domain;

import android.graphics.drawable.drawable;

/**
 * 获取的应用基本信息实体类
 * @author liuyazhuang
 *
 */
public class appinfo {
	//图标
	private drawable app_icon;
	//应用名称
	private string app_name;
	//应用版本号
	private string app_version;
	//应用包名
	private string packagename;
	//是否是用户app
	private boolean isuserapp;
	
	
	public appinfo() {
		super();
		// todo auto-generated constructor stub
	}
	public appinfo(drawable app_icon, string app_name, string app_version,
			string packagename) {
		super();
		this.app_icon = app_icon;
		this.app_name = app_name;
		this.app_version = app_version;
		this.packagename = packagename;
	}
	
	
	public appinfo(drawable app_icon, string app_name, string app_version,
			string packagename, boolean isuserapp) {
		super();
		this.app_icon = app_icon;
		this.app_name = app_name;
		this.app_version = app_version;
		this.packagename = packagename;
		this.isuserapp = isuserapp;
	}
	public drawable getapp_icon() {
		return app_icon;
	}
	public void setapp_icon(drawable app_icon) {
		this.app_icon = app_icon;
	}
	public string getapp_name() {
		return app_name;
	}
	public void setapp_name(string app_name) {
		this.app_name = app_name;
	}
	public string getapp_version() {
		return app_version;
	}
	public void setapp_version(string app_version) {
		this.app_version = app_version;
	}
	public string getpackagename() {
		return packagename;
	}
	public void setpackagename(string packagename) {
		this.packagename = packagename;
	}
	
	public boolean isuserapp() {
		return isuserapp;
	}
	public void setuserapp(boolean isuserapp) {
		this.isuserapp = isuserapp;
	}
	
	@override
	public string tostring() {
		return "appinfo [app_icon=" + app_icon + ", app_name=" + app_name
				+ ", app_version=" + app_version + ", packagename="
				+ packagename + ", isuserapp=" + isuserapp + "]";
	}
}

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