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/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.example.android.leanback;
import android.app.Activity;
import android.app.FragmentManager;
import android.content.Context;
import android.content.Intent;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.support.v17.leanback.app.GuidedStepFragment;
import android.support.v17.leanback.widget.GuidedAction;
import android.support.v17.leanback.widget.GuidanceStylist;
import android.support.v17.leanback.widget.GuidanceStylist.Guidance;
import java.util.List;
import java.util.ArrayList;
/**
* Activity that showcases different aspects of GuidedStepFragments.
*/
public class GuidedStepActivity extends Activity {
private static final int CONTINUE = 1;
private static final int BACK = 2;
private static final int OPTION_CHECK_SET_ID = 10;
private static final int DEFAULT_OPTION = 0;
private static final String[] OPTION_NAMES = { "Option A", "Option B", "Option C" };
private static final String[] OPTION_DESCRIPTIONS = { "Here's one thing you can do",
"Here's another thing you can do", "Here's one more thing you can do" };
private static final int[] OPTION_DRAWABLES = { R.drawable.ic_guidedstep_option_a,
R.drawable.ic_guidedstep_option_b, R.drawable.ic_guidedstep_option_c };
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
GuidedStepFragment.add(getFragmentManager(), new FirstStepFragment());
}
private static void addAction(List<GuidedAction> actions, long id, String title, String desc) {
actions.add(new GuidedAction.Builder()
.id(id)
.title(title)
.description(desc)
.build());
}
private static void addCheckedAction(List<GuidedAction> actions, int iconResId, Context context,
String title, String desc) {
actions.add(new GuidedAction.Builder()
.title(title)
.description(desc)
.checkSetId(OPTION_CHECK_SET_ID)
.iconResourceId(iconResId, context)
.build());
}
/**
* The first fragment is instantiated via XML, so it must be public.
*/
public static class FirstStepFragment extends GuidedStepFragment {
@Override
public int onProvideTheme() {
return R.style.Theme_Example_Leanback_GuidedStep_First;
}
@Override
public Guidance onCreateGuidance(Bundle savedInstanceState) {
String title = getString(R.string.guidedstep_first_title);
String breadcrumb = getString(R.string.guidedstep_first_breadcrumb);
String description = getString(R.string.guidedstep_first_description);
Drawable icon = getActivity().getDrawable(R.drawable.ic_main_icon);
return new Guidance(title, description, breadcrumb, icon);
}
@Override
public void onCreateActions(List<GuidedAction> actions, Bundle savedInstanceState) {
addAction(actions, CONTINUE, "Continue", "Let's do it");
addAction(actions, BACK, "Cancel", "Nevermind");
}
@Override
public void onGuidedActionClicked(GuidedAction action) {
FragmentManager fm = getFragmentManager();
if (action.getId() == CONTINUE) {
GuidedStepFragment.add(fm, new SecondStepFragment());
} else {
getActivity().finish();
}
}
}
private static class SecondStepFragment extends GuidedStepFragment {
private int mSelectedOption = DEFAULT_OPTION;
@Override
public Guidance onCreateGuidance(Bundle savedInstanceState) {
String title = getString(R.string.guidedstep_second_title);
String breadcrumb = getString(R.string.guidedstep_second_breadcrumb);
String description = getString(R.string.guidedstep_second_description);
Drawable icon = getActivity().getDrawable(R.drawable.ic_main_icon);
return new Guidance(title, description, breadcrumb, icon);
}
@Override
public GuidanceStylist onCreateGuidanceStylist() {
return new GuidanceStylist() {
@Override
public int onProvideLayoutId() {
return R.layout.guidedstep_second_guidance;
}
};
}
@Override
public void onCreateActions(List<GuidedAction> actions, Bundle savedInstanceState) {
String desc = "The description can be quite long as well. ";
desc += "Just be sure to set multilineDescription to true in the GuidedAction.";
actions.add(new GuidedAction.Builder()
.title("Note that Guided Actions can have titles that are quite long.")
.description(desc)
.multilineDescription(true)
.infoOnly(true)
.enabled(false)
.build());
for (int i = 0; i < OPTION_NAMES.length; i++) {
addCheckedAction(actions, OPTION_DRAWABLES[i], getActivity(), OPTION_NAMES[i],
OPTION_DESCRIPTIONS[i]);
if (i == DEFAULT_OPTION) {
actions.get(actions.size() -1).setChecked(true);
}
}
addAction(actions, CONTINUE, "Continue", "");
}
@Override
public void onGuidedActionClicked(GuidedAction action) {
if (action.getId() == CONTINUE) {
FragmentManager fm = getFragmentManager();
GuidedStepFragment.add(fm, new ThirdStepFragment(mSelectedOption));
} else {
mSelectedOption = getSelectedActionPosition()-1;
}
}
}
private static class ThirdStepFragment extends GuidedStepFragment {
private final int mOption;
public ThirdStepFragment(int option) {
mOption = option;
}
@Override
public Guidance onCreateGuidance(Bundle savedInstanceState) {
String title = getString(R.string.guidedstep_third_title);
String breadcrumb = getString(R.string.guidedstep_third_breadcrumb);
String description = "You chose: " + OPTION_NAMES[mOption];
Drawable icon = getActivity().getDrawable(R.drawable.ic_main_icon);
return new Guidance(title, description, breadcrumb, icon);
}
@Override
public void onCreateActions(List<GuidedAction> actions, Bundle savedInstanceState) {
addAction(actions, CONTINUE, "Done", "All finished");
addAction(actions, BACK, "Back", "Forgot something...");
}
@Override
public void onGuidedActionClicked(GuidedAction action) {
if (action.getId() == CONTINUE) {
getActivity().finish();
} else {
getFragmentManager().popBackStack();
}
}
}
}
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