1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.example.android.pdfrendererbasic 18 19 import android.app.AlertDialog 20 import android.os.Bundle 21 import android.support.v7.app.AppCompatActivity 22 import android.view.Menu 23 import android.view.MenuItem 24 25 val FRAGMENT_PDF_RENDERER_BASIC = "pdf_renderer_basic" 26 27 class MainActivity : AppCompatActivity() { 28 29 30 override fun onCreate(savedInstanceState: Bundle?) { 31 super.onCreate(savedInstanceState) 32 setContentView(R.layout.activity_main_real) 33 if (savedInstanceState == null) { 34 supportFragmentManager.beginTransaction() 35 .add(R.id.container, PdfRendererBasicFragment(), FRAGMENT_PDF_RENDERER_BASIC) 36 .commit() 37 } 38 } 39 40 override fun onCreateOptionsMenu(menu: Menu): Boolean { 41 menuInflater.inflate(R.menu.main, menu) 42 return true 43 } 44 45 override fun onOptionsItemSelected(item: MenuItem): Boolean { 46 return when (item.itemId) { 47 R.id.action_info -> { 48 AlertDialog.Builder(this) 49 .setMessage(R.string.intro_message) 50 .setPositiveButton(android.R.string.ok, null) 51 .show() 52 return true 53 } 54 else -> super.onOptionsItemSelected(item) 55 } 56 } 57 58 } 59
