| /* |
| * 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.content.Intent; |
| import android.os.Bundle; |
| import android.support.v17.leanback.widget.ArrayObjectAdapter; |
| import android.support.v17.leanback.widget.HeaderItem; |
| import android.support.v17.leanback.widget.ListRow; |
| import android.support.v17.leanback.widget.ListRowPresenter; |
| import android.support.v17.leanback.widget.OnItemViewClickedListener; |
| import android.support.v17.leanback.widget.Presenter; |
| import android.support.v17.leanback.widget.Row; |
| import android.support.v17.leanback.widget.RowPresenter; |
| import android.util.Log; |
| import android.view.View; |
| import android.os.Handler; |
| |
| import java.util.Random; |
| |
| public class BrowseAnimationFragment extends |
| android.support.v17.leanback.app.BrowseFragment { |
| private static final String TAG = "leanback.BrowseAnimationFragment"; |
| |
| private static final int NUM_ROWS = 10; |
| private ArrayObjectAdapter mRowsAdapter; |
| private static Random sRand = new Random(); |
| |
| static class Item { |
| final String mText; |
| final OnItemViewClickedListener mAction; |
| |
| Item(String text, OnItemViewClickedListener action) { |
| mText = text; |
| mAction = action; |
| } |
| |
| @Override |
| public String toString() { |
| return mText; |
| } |
| } |
| |
| @Override |
| public void onCreate(Bundle savedInstanceState) { |
| Log.i(TAG, "onCreate"); |
| super.onCreate(savedInstanceState); |
| |
| setBadgeDrawable( |
| getActivity().getResources().getDrawable(R.drawable.ic_title)); |
| setTitle("Leanback Sample App"); |
| setHeadersState(HEADERS_ENABLED); |
| |
| setOnSearchClickedListener(new View.OnClickListener() { |
| @Override |
| public void onClick(View view) { |
| Intent intent = new Intent(getActivity(), SearchActivity.class); |
| startActivity(intent); |
| } |
| }); |
| |
| setupRows(); |
| setOnItemViewClickedListener(new ItemViewClickedListener()); |
| } |
| |
| private void setupRows() { |
| ListRowPresenter lrp = new ListRowPresenter(); |
| mRowsAdapter = new ArrayObjectAdapter(lrp); |
| for (int i = 0; i < NUM_ROWS; ++i) { |
| mRowsAdapter.add( |
| createRandomRow(new HeaderItem(i, "Row " + i))); |
| } |
| setAdapter(mRowsAdapter); |
| } |
| |
| Item createRandomItem() { |
| switch (sRand.nextInt(15)) { |
| default: |
| case 0: |
| return new Item("Remove Item before", new OnItemViewClickedListener() { |
| @Override |
| public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item, |
| RowPresenter.ViewHolder rowViewHolder, Row row) { |
| ArrayObjectAdapter adapter = ((ArrayObjectAdapter) ((ListRow) row) |
| .getAdapter()); |
| int index = adapter.indexOf(item); |
| if (index >= 0) { |
| if (index > 0) |
| index--; |
| adapter.removeItems(index, 1); |
| } |
| } |
| }); |
| case 1: |
| return new Item("Remove Item after", new OnItemViewClickedListener() { |
| @Override |
| public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item, |
| RowPresenter.ViewHolder rowViewHolder, Row row) { |
| ArrayObjectAdapter adapter = ((ArrayObjectAdapter) ((ListRow) row) |
| .getAdapter()); |
| int index = adapter.indexOf(item); |
| if (index >= 0) { |
| if (index < adapter.size() - 1) |
| index++; |
| adapter.removeItems(index, 1); |
| } |
| } |
| }); |
| case 2: |
| return new Item("Remove Item", new OnItemViewClickedListener() { |
| @Override |
| public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item, |
| RowPresenter.ViewHolder rowViewHolder, Row row) { |
| ArrayObjectAdapter adapter = ((ArrayObjectAdapter) ((ListRow) row) |
| .getAdapter()); |
| int index = adapter.indexOf(item); |
| if (index >= 0) { |
| adapter.removeItems(index, 1); |
| } |
| } |
| }); |
| case 3: |
| return new Item("Remove all Items", new OnItemViewClickedListener() { |
| @Override |
| public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item, |
| RowPresenter.ViewHolder rowViewHolder, Row row) { |
| ArrayObjectAdapter adapter = ((ArrayObjectAdapter) ((ListRow) row) |
| .getAdapter()); |
| adapter.clear(); |
| } |
| }); |
| case 4: |
| return new Item("add item before", new OnItemViewClickedListener() { |
| @Override |
| public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item, |
| RowPresenter.ViewHolder rowViewHolder, Row row) { |
| ArrayObjectAdapter adapter = ((ArrayObjectAdapter) ((ListRow) row) |
| .getAdapter()); |
| int index = adapter.indexOf(item); |
| if (index >= 0) { |
| adapter.add(index, createRandomItem()); |
| } |
| } |
| }); |
| case 5: |
| return new Item("add item after", new OnItemViewClickedListener() { |
| @Override |
| public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item, |
| RowPresenter.ViewHolder rowViewHolder, Row row) { |
| ArrayObjectAdapter adapter = ((ArrayObjectAdapter) ((ListRow) row) |
| .getAdapter()); |
| int index = adapter.indexOf(item); |
| if (index >= 0) { |
| adapter.add(index + 1, createRandomItem()); |
| } |
| } |
| }); |
| case 6: |
| return new Item("add random items before", |
| new OnItemViewClickedListener() { |
| @Override |
| public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item, |
| RowPresenter.ViewHolder rowViewHolder, Row row) { |
| ArrayObjectAdapter adapter = ((ArrayObjectAdapter) ((ListRow) row) |
| .getAdapter()); |
| int index = adapter.indexOf(item); |
| if (index >= 0) { |
| int count = sRand.nextInt(4) + 1; |
| for (int i = 0; i < count; i++) { |
| adapter.add(index + i, createRandomItem()); |
| } |
| } |
| } |
| }); |
| case 7: |
| return new Item("add random items after", |
| new OnItemViewClickedListener() { |
| @Override |
| public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item, |
| RowPresenter.ViewHolder rowViewHolder, Row row) { |
| ArrayObjectAdapter adapter = ((ArrayObjectAdapter) ((ListRow) row) |
| .getAdapter()); |
| int index = adapter.indexOf(item); |
| if (index >= 0) { |
| int count = sRand.nextInt(4) + 1; |
| for (int i = 0; i < count; i++) { |
| adapter.add(index + 1 + i, |
| createRandomItem()); |
| } |
| } |
| } |
| }); |
| case 8: |
| return new Item("add row before", new OnItemViewClickedListener() { |
| @Override |
| public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item, |
| RowPresenter.ViewHolder rowViewHolder, Row row) { |
| int index = mRowsAdapter.indexOf(row); |
| if (index >= 0) { |
| int headerId = sRand.nextInt(); |
| mRowsAdapter.add(index, createRandomRow(new HeaderItem( |
| headerId, "Row " + headerId))); |
| } |
| } |
| }); |
| case 9: |
| return new Item("add row after", new OnItemViewClickedListener() { |
| @Override |
| public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item, |
| RowPresenter.ViewHolder rowViewHolder, Row row) { |
| int index = mRowsAdapter.indexOf(row); |
| if (index >= 0) { |
| int headerId = sRand.nextInt(); |
| mRowsAdapter.add( |
| index + 1, createRandomRow(new HeaderItem( |
| headerId, "Row " + headerId))); |
| } |
| } |
| }); |
| case 10: |
| return new Item("delete row", new OnItemViewClickedListener() { |
| @Override |
| public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item, |
| RowPresenter.ViewHolder rowViewHolder, Row row) { |
| mRowsAdapter.remove(row); |
| } |
| }); |
| case 11: |
| return new Item("delete row before", new OnItemViewClickedListener() { |
| @Override |
| public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item, |
| RowPresenter.ViewHolder rowViewHolder, Row row) { |
| int index = mRowsAdapter.indexOf(row); |
| if (index > 0) { |
| mRowsAdapter.removeItems(index - 1, 1); |
| } |
| } |
| }); |
| case 12: |
| return new Item("delete row after", new OnItemViewClickedListener() { |
| @Override |
| public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item, |
| RowPresenter.ViewHolder rowViewHolder, Row row) { |
| int index = mRowsAdapter.indexOf(row); |
| if (index < mRowsAdapter.size() - 1) { |
| mRowsAdapter.removeItems(index + 1, 1); |
| } |
| } |
| }); |
| case 13: |
| return new Item("Replace Item before", new OnItemViewClickedListener() { |
| @Override |
| public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item, |
| RowPresenter.ViewHolder rowViewHolder, Row row) { |
| ArrayObjectAdapter adapter = ((ArrayObjectAdapter) ((ListRow) row) |
| .getAdapter()); |
| int index = adapter.indexOf(item); |
| if (index >= 0) { |
| if (index > 0) |
| index--; |
| adapter.replace(index, createRandomItem()); |
| } |
| } |
| }); |
| case 14: |
| return new Item("Remove all then re-add", new OnItemViewClickedListener() { |
| @Override |
| public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item, |
| RowPresenter.ViewHolder rowViewHolder, Row row) { |
| final ArrayObjectAdapter adapter = ((ArrayObjectAdapter) ((ListRow) row) |
| .getAdapter()); |
| adapter.clear(); |
| new Handler().postDelayed(new Runnable() { |
| @Override |
| public void run() { |
| adapter.add(0, createRandomItem()); |
| } |
| }, 1000); |
| } |
| }); |
| } |
| } |
| |
| ListRow createRandomRow(HeaderItem header) { |
| ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter( |
| new StringPresenter()); |
| for (int i = 0; i < 8; i++) { |
| listRowAdapter.add(createRandomItem()); |
| } |
| return new ListRow(header, listRowAdapter); |
| } |
| |
| private final class ItemViewClickedListener implements OnItemViewClickedListener { |
| @Override |
| public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item, |
| RowPresenter.ViewHolder rowViewHolder, Row row) { |
| ((Item) item).mAction.onItemClicked(itemViewHolder, item, rowViewHolder, row); |
| } |
| } |
| } |