Here you can find the source of getUidForPackageName(PackageManager pm, String packageName)
public static int getUidForPackageName(PackageManager pm, String packageName)
//package com.java2s; /*/*from w w w .j av a 2 s .c om*/ * Copyright (C) 2009 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.pm.ApplicationInfo; import android.content.pm.PackageManager; import android.content.pm.PackageManager.NameNotFoundException; public class Main { /** * Return the {@link ApplicationInfo#uid} for the given package name. */ public static int getUidForPackageName(PackageManager pm, String packageName) { try { ApplicationInfo clientInfo = pm.getApplicationInfo(packageName, 0 /* * no * flags */); return clientInfo.uid; } catch (NameNotFoundException e) { throw new RuntimeException(e); } } }