Java tutorial
//package com.java2s; /* * Copyright (C) 2008 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import android.content.ComponentName; import android.content.Context; import android.content.Intent; import android.content.pm.ApplicationInfo; import android.content.pm.PackageInfo; import android.content.pm.PackageManager; import android.content.pm.PackageManager.NameNotFoundException; import android.content.pm.ResolveInfo; public class Main { static boolean isSystemApp(Context context, Intent intent) { PackageManager pm = context.getPackageManager(); ComponentName cn = intent.getComponent(); String packageName = null; if (cn == null) { ResolveInfo info = pm.resolveActivity(intent, PackageManager.MATCH_DEFAULT_ONLY); if ((info != null) && (info.activityInfo != null)) { packageName = info.activityInfo.packageName; } } else { packageName = cn.getPackageName(); } if (packageName != null) { try { PackageInfo info = pm.getPackageInfo(packageName, 0); return (info != null) && (info.applicationInfo != null) && ((info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0); } catch (NameNotFoundException e) { return false; } } else { return false; } } }