PackageUtil.java

package com.caigang.process.util;

import java.util.List;

import com.caigang.process.ui.MainActivity;
//Download by http://www.codefans.net
import android.content.Context;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;

public class PackageUtil {
    // ApplicationInfo �࣬��������ͨӦ�ó������Ϣ����Ҫ��ָManifest.xml��application��ǩ�е���Ϣ
    private List<ApplicationInfo> allAppList;
    
    public PackageUtil(Context context) {
        // ͨ�������������������е�Ӧ�ó��򣨰���ж�أ�������Ŀ¼
        PackageManager pm = context.getApplicationContext().getPackageManager();
        allAppList = pm.getInstalledApplications(PackageManager.GET_UNINSTALLED_PACKAGES);
        pm.getInstalledPackages(0);
    }
    
    /**
     * ͨ��һ�����������ظó����һ��ApplicationInfo����
     * @param name ������
     * @return ApplicationInfo
     */
    public ApplicationInfo getApplicationInfo(String appName) {
        if (appName == null) {
            return null;
        }
        for (ApplicationInfo appinfo : allAppList) {
            if (appName.equals(appinfo.processName)) {
                return appinfo;
            }
        }
        return null;
    }
}