获得所有应用程序信息&判断是否系统程序-优快云博客

本文介绍了一个Java类AppInfoProvider，该类能够获取Android设备上所有已安装应用的信息，包括应用名称、包名、图标及是否为系统应用。此外，还提供了一个辅助类AppInfo用于存储每个应用的具体信息。

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AppInfoProvider.java

public class AppInfoProvider {
	private Context context;
	PackageManager packageManager ;
	public AppInfoProvider(Context context){
		this.context=context;
		packageManager = context.getPackageManager();
	}
	/**
	 * 返回当前手机里面安装的所有的程序信息的集合
	 * @return 应用程序的集合
	 */
	public List<AppInfo> getAllAppInfo(){
		List<AppInfo> myApps= new ArrayList<AppInfo>();
		AppInfo myApp = null;
		List<PackageInfo> packageInfos = 
packageManager.getInstalledPackages(PackageManager.GET_UNINSTALLED_PACKAGES);
		for(PackageInfo packageInfo:packageInfos){
			myApp = new AppInfo();
			//<manifest package="...">...</manifest>中的package属性的值
			String packageName = packageInfo.packageName;
			myApp.setPackageName(packageName);
			ApplicationInfo appInfo = packageInfo.applicationInfo;
			//设置应用程序名：<application android:label="@string/app_name" >
			myApp.setAppName(appInfo.loadLabel(packageManager).toString());
		        //设置应用程序图标<application android:icon="@drawable/..." >
			myApp.setIcon(appInfo.loadIcon(packageManager));
			//判断是否是系统应用程序
			myApp.setSystemApp(!filterApp(appInfo));
			myApps.add(myApp);
		}
		return myApps;
	}
	
	/**
	 * 判断某个应用程序是 不是三方的应用程序
	 * @param info
	 * @return 如果是第三方应用程序则返回true，如果是系统程序则返回false
	 */
	public boolean filterApp(ApplicationInfo info) {
        if ((info.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0) {
            return true;
        } else if ((info.flags & ApplicationInfo.FLAG_SYSTEM) == 0) {
            return true;
        }
        return false;
    }
}

AppInfo.java

package com.alex.mobilesafe.domain;

import android.graphics.drawable.Drawable;

public class AppInfo {
	private String appName;
	private String packageName;
	private Drawable icon;
	private boolean isSystemApp;
	public String getAppName() {
		return appName;
	}
	public void setAppName(String appName) {
		this.appName = appName;
	}
	public String getPackageName() {
		return packageName;
	}
	public void setPackageName(String packageName) {
		this.packageName = packageName;
	}
	public Drawable getIcon() {
		return icon;
	}
	public void setIcon(Drawable icon) {
		this.icon = icon;
	}
	public boolean isSystemApp() {
		return isSystemApp;
	}
	public void setSystemApp(boolean isSystemApp) {
		this.isSystemApp = isSystemApp;
	}
	@Override
	public String toString() {
		return "AppInfo [appName=" + appName + ", packageName=" + packageName
				+ ", icon=" + icon + ", isSystemApp=" + isSystemApp + "]";
	}
	
	

}

转载于:https://my.oschina.net/AlexZhuang/blog/53199