Java tutorial
//package com.java2s; import android.content.Context; import android.content.Intent; import android.content.pm.PackageManager; import android.content.pm.ResolveInfo; import java.util.List; public class Main { private static boolean isIntentAvailable(Context context, Intent intent) { PackageManager packageManager = context.getPackageManager(); List<ResolveInfo> list = packageManager.queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY); return list.size() > 0; } }