Java tutorial
//package com.java2s; //License from project: Open Source License import android.content.Context; import android.content.pm.ApplicationInfo; import android.content.pm.PackageManager; import android.content.pm.PackageManager.NameNotFoundException; public class Main { public static boolean checkPackageInfo(Context mContext, String packageName) { if (packageName == null || "".equals(packageName)) return false; try { ApplicationInfo app = mContext.getPackageManager().getApplicationInfo(packageName, PackageManager.GET_UNINSTALLED_PACKAGES); if (app != null) { return true; } else { return false; } } catch (NameNotFoundException e) { return false; } } }