1 /*
2  * Copyright (C) 2014 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.leanback;
18 
19 import android.app.Activity;
20 import android.content.Context;
21 import android.graphics.drawable.Drawable;
22 import android.os.Bundle;
23 
24 import androidx.leanback.app.GuidedStepFragment;
25 import androidx.leanback.widget.GuidanceStylist;
26 import androidx.leanback.widget.GuidanceStylist.Guidance;
27 import androidx.leanback.widget.GuidedAction;
28 
29 import java.util.List;
30 
31 /**
32  * Activity that showcases different aspects of GuidedStepFragments.
33  */
34 public class DetailsPresenterSelectionActivity extends Activity {
35 
36     private static final int OPTION_CHECK_SET_ID = 10;
37 
38     private static final long ACTION_ID_SWITCH_LEGACY_ON = 10000;
39     private static final long ACTION_ID_SWITCH_LEGACY_OFF = 10001;
40 
41     public static boolean USE_LEGACY_PRESENTER = false;
42 
43     private static final String[] OPTION_NAMES = { "Use new details presenter", "Use legacy details presenter" };
44     private static final String[] OPTION_DESCRIPTIONS = { "Use new details presenter",
45             "Use legacy details presenter"};
46     private static final long[] OPTION_IDS = {ACTION_ID_SWITCH_LEGACY_OFF, ACTION_ID_SWITCH_LEGACY_ON};
47 
48     @Override
onCreate(Bundle savedInstanceState)49     protected void onCreate(Bundle savedInstanceState) {
50         super.onCreate(savedInstanceState);
51         GuidedStepFragment.addAsRoot(this, new SetupFragment(), android.R.id.content);
52     }
53 
addAction(List<GuidedAction> actions, long id, String title, String desc)54     private static void addAction(List<GuidedAction> actions, long id, String title, String desc) {
55         actions.add(new GuidedAction.Builder(null)
56                 .id(id)
57                 .title(title)
58                 .description(desc)
59                 .build());
60     }
61 
addCheckedAction(List<GuidedAction> actions, Context context, long id, String title, String desc, boolean checked)62     private static void addCheckedAction(List<GuidedAction> actions, Context context,
63             long id, String title, String desc, boolean checked) {
64         actions.add(new GuidedAction.Builder(null)
65                 .title(title)
66                 .description(desc)
67                 .id(id)
68                 .checkSetId(OPTION_CHECK_SET_ID)
69                 .checked(checked)
70                 .build());
71     }
72 
73     /**
74      * Fragment hosted in DetailsPresenterSelectionActivity.
75      */
76     public static class SetupFragment extends GuidedStepFragment {
77 
78         @Override
onCreateGuidance(Bundle savedInstanceState)79         public Guidance onCreateGuidance(Bundle savedInstanceState) {
80             String title = getString(R.string.guidedstep_second_title);
81             String breadcrumb = getString(R.string.guidedstep_second_breadcrumb);
82             String description = getString(R.string.guidedstep_second_description);
83             Drawable icon = getActivity().getResources().getDrawable(R.drawable.ic_main_icon);
84             return new Guidance(title, description, breadcrumb, icon);
85         }
86 
87         @Override
onCreateGuidanceStylist()88         public GuidanceStylist onCreateGuidanceStylist() {
89             return new GuidanceStylist() {
90                 @Override
91                 public int onProvideLayoutId() {
92                     return R.layout.guidedstep_second_guidance;
93                 }
94             };
95         }
96 
97         @Override
onCreateActions(List<GuidedAction> actions, Bundle savedInstanceState)98         public void onCreateActions(List<GuidedAction> actions, Bundle savedInstanceState) {
99             for (int i = 0; i < OPTION_NAMES.length; i++) {
100                 boolean checked = false;
101                 if (OPTION_IDS[i] == ACTION_ID_SWITCH_LEGACY_ON) {
102                     if (USE_LEGACY_PRESENTER) {
103                         checked = true;
104                     }
105                 } else if (OPTION_IDS[i] == ACTION_ID_SWITCH_LEGACY_OFF) {
106                     if (!USE_LEGACY_PRESENTER) {
107                         checked = true;
108                     }
109                 }
110                 addCheckedAction(actions, getActivity(), OPTION_IDS[i], OPTION_NAMES[i],
111                         OPTION_DESCRIPTIONS[i], checked);
112             }
113         }
114 
115         @Override
onGuidedActionClicked(GuidedAction action)116         public void onGuidedActionClicked(GuidedAction action) {
117             if (action.getId() == ACTION_ID_SWITCH_LEGACY_ON) {
118                 USE_LEGACY_PRESENTER = action.isChecked();
119             } else if (action.getId() == ACTION_ID_SWITCH_LEGACY_OFF) {
120                 USE_LEGACY_PRESENTER = !action.isChecked();
121             }
122             getActivity().finish();
123         }
124 
125     }
126 
127 }
128