1 /* 2 * Copyright (C) 2016 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 package com.example.android.pm.shortcutlauncherdemo; 17 18 import android.app.ActionBar; 19 import android.app.ActionBar.Tab; 20 import android.app.ActionBar.TabListener; 21 import android.app.Activity; 22 import android.app.Fragment; 23 import android.app.FragmentManager; 24 import android.app.FragmentTransaction; 25 import android.os.Bundle; 26 import androidx.legacy.app.FragmentStatePagerAdapter; 27 import androidx.core.os.BuildCompat; 28 import androidx.viewpager.widget.PagerAdapter; 29 import androidx.viewpager.widget.ViewPager; 30 import android.view.ViewGroup; 31 32 public class ShortcutLauncherMain extends Activity { 33 private ViewPager mPager; 34 private PagerAdapter mPagerAdapter; 35 36 private int mNumTabs; 37 38 @Override 39 public void onCreate(Bundle savedInstanceState) { 40 super.onCreate(savedInstanceState); 41 42 setContentView(R.layout.main); 43 44 mNumTabs = BuildCompat.isAtLeastO() ? 3 : 2; 45 46 mPager = (ViewPager) findViewById(R.id.pager); 47 mPager.setOffscreenPageLimit(2); 48 mPagerAdapter = new MyPagerAdapter(getFragmentManager()); 49 mPager.setAdapter(mPagerAdapter); 50 51 final ActionBar ab = getActionBar(); 52 ab.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS); 53 ab.addTab(ab.newTab().setText("App list").setTabListener(mTabListener)); 54 ab.addTab(ab.newTab().setText("Pinned shortcuts").setTabListener(mTabListener)); 55 if (mNumTabs > 2) { 56 ab.addTab(ab.newTab().setText("Create shortcuts").setTabListener(mTabListener)); 57 } 58 } 59 60 @Override 61 public void onBackPressed() { 62 // Ignore. 63 } 64 65 private TabListener mTabListener = new TabListener() { 66 @Override 67 public void onTabSelected(Tab tab, FragmentTransaction ft) { 68 mPager.setCurrentItem(tab.getPosition()); 69 } 70 71 @Override 72 public void onTabUnselected(Tab tab, FragmentTransaction ft) { 73 74 } 75 76 @Override 77 public void onTabReselected(Tab tab, FragmentTransaction ft) { 78 79 } 80 }; 81 82 private class MyPagerAdapter extends FragmentStatePagerAdapter { 83 public MyPagerAdapter(FragmentManager fm) { 84 super(fm); 85 } 86 87 @Override 88 public Fragment getItem(int position) { 89 switch (position) { 90 case 0: 91 return new AppListFragment(); 92 case 1: 93 return new ShortcutListFragment().setArguments( 94 /* targetPackage =*/ null, 95 /* targetActivity =*/ null, 96 /* includeDynamic = */ false, 97 /* includeManifest = */ false, 98 /* includePinned =*/ true, 99 null /* means "all profiles" of this user*/, 100 /* showDetails =*/ true 101 ); 102 case 2: 103 return new ShortcutTemplateListFragment(); 104 } 105 return null; 106 } 107 108 @Override 109 public int getCount() { 110 return mNumTabs; 111 } 112 113 @Override 114 public void setPrimaryItem(ViewGroup container, int position, Object object) { 115 super.setPrimaryItem(container, position, object); 116 117 getActionBar().selectTab(getActionBar().getTabAt(position)); 118 } 119 } 120 } 121