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.app.FragmentManager; 21 import android.content.Context; 22 import android.graphics.drawable.Drawable; 23 import android.os.Bundle; 24 import android.support.v17.leanback.app.GuidedStepFragment; 25 import android.support.v17.leanback.widget.GuidanceStylist.Guidance; 26 import android.support.v17.leanback.widget.GuidedAction; 27 import android.support.v4.content.res.ResourcesCompat; 28 import android.util.Log; 29 30 import java.util.List; 31 32 /** 33 * Activity that showcases different aspects of GuidedStepFragments in half 34 * screen mode. This is achieved by setting the theme for this activity 35 * to {@code Theme.Example.Leanback.GuidedStep.Half}. 36 */ 37 public class GuidedStepHalfScreenActivity extends Activity { 38 private static final String TAG = "leanback.GuidedStepSupportHalfScreenActivity"; 39 40 @Override onCreate(Bundle savedInstanceState)41 protected void onCreate(Bundle savedInstanceState) { 42 Log.v(TAG, "onCreate"); 43 super.onCreate(savedInstanceState); 44 setContentView(R.layout.guided_step_activity); 45 GuidedStepFragment.addAsRoot(this, new FirstStepFragment(), R.id.lb_guidedstep_host); 46 } 47 48 public static class FirstStepFragment extends GuidedStepFragment { 49 50 @Override onCreateGuidance(Bundle savedInstanceState)51 public Guidance onCreateGuidance(Bundle savedInstanceState) { 52 String title = getString(R.string.guidedstep_first_title); 53 String breadcrumb = getString(R.string.guidedstep_first_breadcrumb); 54 String description = getString(R.string.guidedstep_first_description); 55 final Context context = getActivity(); 56 Drawable icon = ResourcesCompat.getDrawable(context.getResources(), 57 R.drawable.ic_main_icon, context.getTheme()); 58 return new Guidance(title, description, breadcrumb, icon); 59 } 60 61 @Override onCreateActions(List<GuidedAction> actions, Bundle savedInstanceState)62 public void onCreateActions(List<GuidedAction> actions, Bundle savedInstanceState) { 63 Context context = getActivity(); 64 actions.add(new GuidedAction.Builder(context) 65 .clickAction(GuidedAction.ACTION_ID_CONTINUE) 66 .description("Just do it") 67 .build()); 68 actions.add(new GuidedAction.Builder(context) 69 .clickAction(GuidedAction.ACTION_ID_CANCEL) 70 .description("Never mind") 71 .build()); 72 } 73 FirstStepFragment()74 public FirstStepFragment() { 75 setEntranceTransitionType(GuidedStepFragment.SLIDE_FROM_BOTTOM); 76 } 77 78 /** 79 * This fragment could be used by an activity using theme 80 * {@code Theme.Leanback.GuidedStep.Half} or something else (BrowseActivity). 81 * In order to provide a consistent half screen experience under 82 * both scenarios, we override onProvideTheme method. 83 */ 84 @Override onProvideTheme()85 public int onProvideTheme() { 86 return R.style.Theme_Example_Leanback_GuidedStep_Half; 87 } 88 89 @Override onGuidedActionClicked(GuidedAction action)90 public void onGuidedActionClicked(GuidedAction action) { 91 FragmentManager fm = getFragmentManager(); 92 if (action.getId() == GuidedAction.ACTION_ID_CONTINUE) { 93 GuidedStepFragment.add(fm, new SecondStepFragment(), R.id.lb_guidedstep_host); 94 } else if (action.getId() == GuidedAction.ACTION_ID_CANCEL){ 95 finishGuidedStepFragments(); 96 } 97 } 98 } 99 100 public static class SecondStepFragment extends GuidedStepFragment { 101 102 @Override onProvideTheme()103 public int onProvideTheme() { 104 return R.style.Theme_Example_Leanback_GuidedStep_Half; 105 } 106 107 @Override onCreateGuidance(Bundle savedInstanceState)108 public Guidance onCreateGuidance(Bundle savedInstanceState) { 109 String title = getString(R.string.guidedstep_second_title); 110 String breadcrumb = getString(R.string.guidedstep_second_breadcrumb); 111 String description = getString(R.string.guidedstep_second_description); 112 final Context context = getActivity(); 113 Drawable icon = ResourcesCompat.getDrawable(context.getResources(), 114 R.drawable.ic_main_icon, context.getTheme()); 115 return new Guidance(title, description, breadcrumb, icon); 116 } 117 118 @Override onCreateActions(List<GuidedAction> actions, Bundle savedInstanceState)119 public void onCreateActions(List<GuidedAction> actions, Bundle savedInstanceState) { 120 Context context = getActivity(); 121 actions.add(new GuidedAction.Builder(context) 122 .clickAction(GuidedAction.ACTION_ID_FINISH) 123 .description("Done") 124 .build()); 125 actions.add(new GuidedAction.Builder(context) 126 .clickAction(GuidedAction.ACTION_ID_CANCEL) 127 .description("Never mind") 128 .build()); 129 } 130 131 @Override onCreateButtonActions(List<GuidedAction> actions, Bundle savedInstanceState)132 public void onCreateButtonActions(List<GuidedAction> actions, Bundle savedInstanceState) { 133 actions.add(new GuidedAction.Builder(getActivity()) 134 .clickAction(GuidedAction.ACTION_ID_CANCEL) 135 .description("Cancel") 136 .build()); 137 } 138 139 @Override onGuidedActionClicked(GuidedAction action)140 public void onGuidedActionClicked(GuidedAction action) { 141 FragmentManager fm = getFragmentManager(); 142 fm.popBackStack(); 143 } 144 } 145 } 146