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      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 android.support.v13.app.FragmentStatePagerAdapter;
     27 import android.support.v4.view.PagerAdapter;
     28 import android.support.v4.view.ViewPager;
     29 import android.view.ViewGroup;
     30 
     31 public class ShortcutLauncherMain extends Activity {
     32     private ViewPager mPager;
     33     private PagerAdapter mPagerAdapter;
     34 
     35     @Override
     36     public void onCreate(Bundle savedInstanceState) {
     37         super.onCreate(savedInstanceState);
     38 
     39         setContentView(R.layout.main);
     40 
     41         mPager = (ViewPager) findViewById(R.id.pager);
     42         mPager.setOffscreenPageLimit(2);
     43         mPagerAdapter = new MyPagerAdapter(getFragmentManager());
     44         mPager.setAdapter(mPagerAdapter);
     45 
     46         final ActionBar ab = getActionBar();
     47         ab.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
     48         ab.addTab(ab.newTab().setText("App list").setTabListener(mTabListener));
     49         ab.addTab(ab.newTab().setText("Pinned shortcuts").setTabListener(mTabListener));
     50     }
     51 
     52     @Override
     53     public void onBackPressed() {
     54         // Ignore.
     55     }
     56 
     57     private TabListener mTabListener = new TabListener() {
     58         @Override
     59         public void onTabSelected(Tab tab, FragmentTransaction ft) {
     60             mPager.setCurrentItem(tab.getPosition());
     61         }
     62 
     63         @Override
     64         public void onTabUnselected(Tab tab, FragmentTransaction ft) {
     65 
     66         }
     67 
     68         @Override
     69         public void onTabReselected(Tab tab, FragmentTransaction ft) {
     70 
     71         }
     72     };
     73 
     74     private class MyPagerAdapter extends FragmentStatePagerAdapter {
     75         public MyPagerAdapter(FragmentManager fm) {
     76             super(fm);
     77         }
     78 
     79         @Override
     80         public Fragment getItem(int position) {
     81             switch (position) {
     82                 case 0:
     83                     return new AppListFragment();
     84                 case 1:
     85                     return new ShortcutListFragment().setArguments(
     86                             /* targetPackage =*/ null,
     87                             /* targetActivity =*/ null,
     88                             /* includeDynamic = */ false,
     89                             /* includeManifest = */ false,
     90                             /* includePinned =*/ true,
     91                             null /* means "all profiles" of this user*/,
     92                             /* showDetails =*/ true
     93                             );
     94             }
     95             return null;
     96         }
     97 
     98         @Override
     99         public int getCount() {
    100             return 2;
    101         }
    102 
    103         @Override
    104         public void setPrimaryItem(ViewGroup container, int position, Object object) {
    105             super.setPrimaryItem(container, position, object);
    106 
    107             getActionBar().selectTab(getActionBar().getTabAt(position));
    108         }
    109     }
    110 }
    111