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
17package com.example.android.leanback;
18
19import android.app.Activity;
20import android.app.FragmentManager;
21import android.content.Context;
22import android.graphics.drawable.Drawable;
23import android.os.Bundle;
24import android.util.Log;
25
26import androidx.core.content.res.ResourcesCompat;
27import androidx.leanback.app.GuidedStepFragment;
28import androidx.leanback.widget.GuidanceStylist.Guidance;
29import androidx.leanback.widget.GuidedAction;
30
31import java.util.List;
32
33/**
34 * Activity that showcases different aspects of GuidedStepFragments in half
35 * screen mode. This is achieved by setting the theme for this activity
36 * to {@code Theme.Example.Leanback.GuidedStep.Half}.
37 */
38public class GuidedStepHalfScreenActivity extends Activity {
39    private static final String TAG = "leanback.GuidedStepSupportHalfScreenActivity";
40
41    @Override
42    protected void onCreate(Bundle savedInstanceState) {
43        Log.v(TAG, "onCreate");
44        super.onCreate(savedInstanceState);
45        setContentView(R.layout.guided_step_activity);
46        GuidedStepFragment.addAsRoot(this, new FirstStepFragment(), R.id.lb_guidedstep_host);
47    }
48
49    public static class FirstStepFragment extends GuidedStepFragment {
50
51       @Override
52        public Guidance onCreateGuidance(Bundle savedInstanceState) {
53            String title = getString(R.string.guidedstep_first_title);
54            String breadcrumb = getString(R.string.guidedstep_first_breadcrumb);
55            String description = getString(R.string.guidedstep_first_description);
56            final Context context = getActivity();
57            Drawable icon = ResourcesCompat.getDrawable(context.getResources(),
58                    R.drawable.ic_main_icon, context.getTheme());
59            return new Guidance(title, description, breadcrumb, icon);
60        }
61
62        @Override
63        public void onCreateActions(List<GuidedAction> actions, Bundle savedInstanceState) {
64            Context context = getActivity();
65            actions.add(new GuidedAction.Builder(context)
66                    .clickAction(GuidedAction.ACTION_ID_CONTINUE)
67                    .description("Just do it")
68                    .build());
69            actions.add(new GuidedAction.Builder(context)
70                    .clickAction(GuidedAction.ACTION_ID_CANCEL)
71                    .description("Never mind")
72                    .build());
73        }
74
75        public FirstStepFragment() {
76            setEntranceTransitionType(GuidedStepFragment.SLIDE_FROM_BOTTOM);
77        }
78
79        /**
80         * This fragment could be used by an activity using theme
81         * {@code Theme.Leanback.GuidedStep.Half} or something else (BrowseActivity).
82         * In order to provide a consistent half screen experience under
83         * both scenarios, we override onProvideTheme method.
84         */
85        @Override
86        public int onProvideTheme() {
87            return R.style.Theme_Example_Leanback_GuidedStep_Half;
88        }
89
90        @Override
91        public void onGuidedActionClicked(GuidedAction action) {
92            FragmentManager fm = getFragmentManager();
93            if (action.getId() == GuidedAction.ACTION_ID_CONTINUE) {
94                GuidedStepFragment.add(fm, new SecondStepFragment(), R.id.lb_guidedstep_host);
95            } else if (action.getId() == GuidedAction.ACTION_ID_CANCEL){
96                finishGuidedStepFragments();
97            }
98        }
99    }
100
101    public static class SecondStepFragment extends GuidedStepFragment {
102
103        @Override
104        public int onProvideTheme() {
105            return R.style.Theme_Example_Leanback_GuidedStep_Half;
106        }
107
108        @Override
109        public Guidance onCreateGuidance(Bundle savedInstanceState) {
110            String title = getString(R.string.guidedstep_second_title);
111            String breadcrumb = getString(R.string.guidedstep_second_breadcrumb);
112            String description = getString(R.string.guidedstep_second_description);
113            final Context context = getActivity();
114            Drawable icon = ResourcesCompat.getDrawable(context.getResources(),
115                    R.drawable.ic_main_icon, context.getTheme());
116            return new Guidance(title, description, breadcrumb, icon);
117        }
118
119        @Override
120        public void onCreateActions(List<GuidedAction> actions, Bundle savedInstanceState) {
121            Context context = getActivity();
122            actions.add(new GuidedAction.Builder(context)
123                    .clickAction(GuidedAction.ACTION_ID_FINISH)
124                    .description("Done")
125                    .build());
126            actions.add(new GuidedAction.Builder(context)
127                    .clickAction(GuidedAction.ACTION_ID_CANCEL)
128                    .description("Never mind")
129                    .build());
130        }
131
132        @Override
133        public void onCreateButtonActions(List<GuidedAction> actions, Bundle savedInstanceState) {
134            actions.add(new GuidedAction.Builder(getActivity())
135                    .clickAction(GuidedAction.ACTION_ID_CANCEL)
136                    .description("Cancel")
137                    .build());
138        }
139
140        @Override
141        public void onGuidedActionClicked(GuidedAction action) {
142            FragmentManager fm = getFragmentManager();
143            fm.popBackStack();
144        }
145    }
146}
147