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.android.dialer.main.impl; 18 19 import android.content.Context; 20 import android.support.annotation.IntDef; 21 import android.support.v4.app.Fragment; 22 import android.support.v4.app.FragmentManager; 23 import android.support.v4.app.FragmentStatePagerAdapter; 24 import com.android.dialer.common.Assert; 25 import java.lang.annotation.Retention; 26 import java.lang.annotation.RetentionPolicy; 27 28 /** Adapter for {@link MainActivity} ViewPager. */ 29 final class MainPagerAdapter extends FragmentStatePagerAdapter { 30 31 @Retention(RetentionPolicy.SOURCE) 32 @IntDef({ 33 TabIndex.SPEED_DIAL, 34 TabIndex.HISTORY, 35 TabIndex.VOICEMAIL, 36 }) 37 private @interface TabIndex { 38 int SPEED_DIAL = 0; 39 int HISTORY = 1; 40 int VOICEMAIL = 2; 41 } 42 43 private final Context context; 44 MainPagerAdapter(Context context, FragmentManager fragmentManager)45 MainPagerAdapter(Context context, FragmentManager fragmentManager) { 46 super(fragmentManager); 47 this.context = context; 48 } 49 50 @Override getCount()51 public int getCount() { 52 // TODO: add logic to hide/show voicemail tab 53 return 3; 54 } 55 56 @Override getItem(int position)57 public Fragment getItem(int position) { 58 // TODO: implement tabs 59 return new StubFragment(); 60 } 61 62 @Override getPageTitle(int position)63 public CharSequence getPageTitle(int position) { 64 switch (position) { 65 case TabIndex.SPEED_DIAL: 66 return context.getString(R.string.tab_title_speed_dial); 67 case TabIndex.HISTORY: 68 return context.getString(R.string.tab_title_call_history); 69 case TabIndex.VOICEMAIL: 70 return context.getString(R.string.tab_title_voicemail); 71 default: 72 throw Assert.createIllegalStateFailException("Tab position with no title: " + position); 73 } 74 } 75 } 76