获取手机应用信息
SystemUtils.java工具类
package com.techrare.utils;import java.util.ArrayList;import java.util.List;import android.content.Context;import android.content.Intent;import android.content.pm.PackageInfo;import android.content.pm.PackageManager;import android.content.pm.ResolveInfo;/** * 获取手机应用信息 * @author Administrator * */public class SystemUtils {/** * 查询手机内所有应用包括系统应用 * @param context */public static List<PackageInfo> getAllApps(Context context) { PackageManager pManager = context.getPackageManager(); //获取手机内所有应用 List<PackageInfo> paklist = pManager.getInstalledPackages(0); return paklist;}/** * 查询手机内非系统应用 * @param context * @return */ public static List<PackageInfo> getAllAppsNoSystem(Context context) { List<PackageInfo> apps = new ArrayList<PackageInfo>(); PackageManager pManager = context.getPackageManager(); //获取手机内所有应用 List<PackageInfo> paklist = pManager.getInstalledPackages(0); for (int i = 0; i < paklist.size(); i++) { PackageInfo pak = (PackageInfo) paklist.get(i); //判断是否为非系统预装的应用程序 if ((pak.applicationInfo.flags & pak.applicationInfo.FLAG_SYSTEM) <= 0) { // customs applications apps.add(pak); } } return apps; } /** * 查询手机内所有支持分享的应用 * @param context * @return */ public static List<ResolveInfo> getShareApps(Context context){ List<ResolveInfo> mApps = new ArrayList<ResolveInfo>(); Intent intent=new Intent(Intent.ACTION_SEND,null); intent.addCategory(Intent.CATEGORY_DEFAULT); intent.setType("text/plain"); PackageManager pManager = context.getPackageManager(); mApps = pManager.queryIntentActivities(intent,PackageManager.COMPONENT_ENABLED_STATE_DEFAULT); return mApps; } /* 备注： 通过 PackageInfo 获取具体信息方法：包名获取方法：packageInfo.packageNameicon获取获取方法：packageManager.getApplicationIcon(applicationInfo)应用名称获取方法：packageManager.getApplicationLabel(applicationInfo)使用权限获取方法：packageManager.getPackageInfo(packageName,PackageManager.GET_PERMISSIONS).requestedPermissions 通过 ResolveInfo 获取具体信息方法：包名获取方法：resolve.activityInfo.packageNameicon获取获取方法：resolve.loadIcon(packageManager)应用名称获取方法：resolve.loadLabel(packageManager).toString() */}