Java tutorial
//package com.java2s; /* * Copyright (C) 2016 android@19code.com * * 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.app.Activity; import android.content.Intent; import android.net.Uri; import android.text.TextUtils; public class Main { public static void forwardToDial(Activity activity, String phoneNumber) { if (activity != null && !TextUtils.isEmpty(phoneNumber)) { activity.startActivity(new Intent(Intent.ACTION_DIAL, Uri.parse("tel:" + phoneNumber))); } } }