获得手机所有应用的集合

package com.example.mobilesafe.engine;

import java.util.ArrayList;
import java.util.List;

import com.example.mobilesafe.bean.AppInfo;

import android.content.Context;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;

public class getAppInfoEngine {
	public static List<AppInfo> getAppMessageList(Context mc) {
		ArrayList<AppInfo> appInfoList = new ArrayList<AppInfo>();
		PackageManager pm = mc.getPackageManager();
		List<PackageInfo> installedPackages = pm.getInstalledPackages(0);
		for (PackageInfo packageInfo : installedPackages) {
			// 创建一个应用信息对象
			AppInfo appInfo = new AppInfo();
			// 得到当前应用信息
			ApplicationInfo applicationInfo = packageInfo.applicationInfo;
			// 应用名
			appInfo.name = applicationInfo.loadLabel(pm).toString();
			// 应用图标
			appInfo.icon = applicationInfo.loadIcon(pm);
			// 应用包名
			appInfo.packageName = packageInfo.packageName;
			// 是否是系统应用
			if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == ApplicationInfo.FLAG_SYSTEM) {
				appInfo.isSystem = true;
			} else {
				appInfo.isSystem = false;
			}
			// 是否安装在存储卡
			if ((applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) == ApplicationInfo.FLAG_EXTERNAL_STORAGE) {
				appInfo.isSdcard = true;
			} else {
				appInfo.isSdcard = false;
			}
			appInfoList.add(appInfo);
		}
		return appInfoList;
	}
}

package com.example.mobilesafe.bean;

import android.graphics.Bitmap;
import android.graphics.drawable.Drawable;

public class AppInfo {
	public String name;
	public String packageName;
	public Drawable icon;
	/**
	 * 是否是系统自带的应用
	 */
	public boolean isSystem;
	/**
	 * 是否安装在sd卡
	 */
	public boolean isSdcard;
}