SupportLeanbackDemo: example of add/remove items/rows
Change-Id: I3f74f7d768c8e61ae81a23e5515dec19b82d6289
This commit is contained in:
Dake Gu
@@ -22,6 +22,10 @@
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</intent-filter>
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</activity>
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<activity android:name="BrowseAnimationActivity"
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android:exported="true" >
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</activity>
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<activity android:name="DetailsActivity"
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android:exported="true" />
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23
samples/SupportLeanbackDemos/res/layout/browse_animation.xml
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23
samples/SupportLeanbackDemos/res/layout/browse_animation.xml
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@@ -0,0 +1,23 @@
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<?xml version="1.0" encoding="utf-8"?>
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<!--
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Copyright (C) 2014 The Android Open Source Project
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<fragment xmlns:android="http://schemas.android.com/apk/res/android"
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android:name="com.example.android.leanback.BrowseAnimationFragment"
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android:id="@+id/main_browse_fragment"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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/>
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@@ -0,0 +1,28 @@
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/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software distributed under the License
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* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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* or implied. See the License for the specific language governing permissions and limitations under
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* the License.
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*/
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package com.example.android.leanback;
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import android.app.Activity;
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import android.os.Bundle;
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public class BrowseAnimationActivity extends Activity
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{
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/** Called when the activity is first created. */
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@Override
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public void onCreate(Bundle savedInstanceState)
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{
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super.onCreate(savedInstanceState);
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setContentView(R.layout.browse_animation);
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}
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}
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@@ -0,0 +1,265 @@
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/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software distributed under the License
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* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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* or implied. See the License for the specific language governing permissions and limitations under
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* the License.
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*/
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package com.example.android.leanback;
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import android.content.Intent;
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import android.os.Bundle;
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import android.support.v17.leanback.widget.ArrayObjectAdapter;
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import android.support.v17.leanback.widget.HeaderItem;
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import android.support.v17.leanback.widget.ListRow;
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import android.support.v17.leanback.widget.ListRowPresenter;
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import android.support.v17.leanback.widget.OnItemClickedListener;
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import android.support.v17.leanback.widget.Row;
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import android.util.Log;
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import android.view.View;
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import java.util.Random;
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public class BrowseAnimationFragment extends
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android.support.v17.leanback.app.BrowseFragment {
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private static final String TAG = "leanback.BrowseAnimationFragment";
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private static final int NUM_ROWS = 10;
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private ArrayObjectAdapter mRowsAdapter;
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private static Random sRand = new Random();
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static class Item {
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final String mText;
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final OnItemClickedListener mAction;
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Item(String text, OnItemClickedListener action) {
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mText = text;
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mAction = action;
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}
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@Override
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public String toString() {
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return mText;
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}
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}
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@Override
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public void onCreate(Bundle savedInstanceState) {
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Log.i(TAG, "onCreate");
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super.onCreate(savedInstanceState);
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Params p = new Params();
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p.setBadgeImage(
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getActivity().getResources().getDrawable(R.drawable.ic_title));
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p.setTitle("Leanback Sample App");
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p.setHeadersState(HEADERS_ENABLED);
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setBrowseParams(p);
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setOnSearchClickedListener(new View.OnClickListener() {
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@Override
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public void onClick(View view) {
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Intent intent = new Intent(getActivity(), SearchActivity.class);
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startActivity(intent);
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}
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});
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setupRows();
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setOnItemClickedListener(new ItemClickedListener());
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}
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private void setupRows() {
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ListRowPresenter lrp = new ListRowPresenter();
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mRowsAdapter = new ArrayObjectAdapter(lrp);
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for (int i = 0; i < NUM_ROWS; ++i) {
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mRowsAdapter.add(
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createRandomRow(new HeaderItem(i, "Row " + i, null)));
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}
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setAdapter(mRowsAdapter);
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}
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Item createRandomItem() {
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switch (sRand.nextInt(13)) {
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default:
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case 0:
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return new Item("Remove Item before", new OnItemClickedListener() {
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@Override
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public void onItemClicked(Object item, Row row) {
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ArrayObjectAdapter adapter = ((ArrayObjectAdapter) ((ListRow) row)
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.getAdapter());
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int index = adapter.indexOf(item);
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if (index >= 0) {
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if (index > 0)
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index = 0;
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adapter.removeItems(index, 1);
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}
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}
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});
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case 1:
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return new Item("Remove Item after", new OnItemClickedListener() {
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@Override
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public void onItemClicked(Object item, Row row) {
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ArrayObjectAdapter adapter = ((ArrayObjectAdapter) ((ListRow) row)
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.getAdapter());
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int index = adapter.indexOf(item);
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if (index >= 0) {
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if (index < adapter.size() - 1)
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index++;
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adapter.removeItems(index, 1);
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}
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}
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});
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case 2:
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return new Item("Remove Item", new OnItemClickedListener() {
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@Override
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public void onItemClicked(Object item, Row row) {
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ArrayObjectAdapter adapter = ((ArrayObjectAdapter) ((ListRow) row)
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.getAdapter());
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int index = adapter.indexOf(item);
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if (index >= 0) {
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adapter.removeItems(index, 1);
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}
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}
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});
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case 3:
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return new Item("Remove all Items", new OnItemClickedListener() {
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@Override
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public void onItemClicked(Object item, Row row) {
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ArrayObjectAdapter adapter = ((ArrayObjectAdapter) ((ListRow) row)
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.getAdapter());
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adapter.clear();
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}
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});
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case 4:
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return new Item("add item before", new OnItemClickedListener() {
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@Override
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public void onItemClicked(Object item, Row row) {
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ArrayObjectAdapter adapter = ((ArrayObjectAdapter) ((ListRow) row)
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.getAdapter());
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int index = adapter.indexOf(item);
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if (index >= 0) {
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adapter.add(index, createRandomItem());
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}
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}
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});
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case 5:
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return new Item("add item after", new OnItemClickedListener() {
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@Override
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public void onItemClicked(Object item, Row row) {
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ArrayObjectAdapter adapter = ((ArrayObjectAdapter) ((ListRow) row)
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.getAdapter());
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int index = adapter.indexOf(item);
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if (index >= 0) {
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adapter.add(index + 1, createRandomItem());
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}
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}
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});
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case 6:
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return new Item("add random items before",
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new OnItemClickedListener() {
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@Override
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public void onItemClicked(Object item, Row row) {
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ArrayObjectAdapter adapter = ((ArrayObjectAdapter) ((ListRow) row)
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.getAdapter());
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int index = adapter.indexOf(item);
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if (index >= 0) {
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int count = sRand.nextInt(4) + 1;
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for (int i = 0; i < count; i++) {
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adapter.add(index + i, createRandomItem());
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}
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}
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}
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});
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case 7:
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return new Item("add random items after",
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new OnItemClickedListener() {
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@Override
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public void onItemClicked(Object item, Row row) {
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ArrayObjectAdapter adapter = ((ArrayObjectAdapter) ((ListRow) row)
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.getAdapter());
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int index = adapter.indexOf(item);
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if (index >= 0) {
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int count = sRand.nextInt(4) + 1;
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for (int i = 0; i < count; i++) {
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adapter.add(index + 1 + i,
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createRandomItem());
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}
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}
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}
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});
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case 8:
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return new Item("add row before", new OnItemClickedListener() {
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@Override
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public void onItemClicked(Object item, Row row) {
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int index = mRowsAdapter.indexOf(row);
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if (index >= 0) {
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int headerId = sRand.nextInt();
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mRowsAdapter.add(index, createRandomRow(new HeaderItem(
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headerId, "Row " + headerId, null)));
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}
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}
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});
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case 9:
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return new Item("add row after", new OnItemClickedListener() {
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@Override
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public void onItemClicked(Object item, Row row) {
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int index = mRowsAdapter.indexOf(row);
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if (index >= 0) {
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int headerId = sRand.nextInt();
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mRowsAdapter.add(
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index + 1, createRandomRow(new HeaderItem(
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headerId, "Row " + headerId, null)));
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}
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}
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});
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case 10:
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return new Item("delete row", new OnItemClickedListener() {
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@Override
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public void onItemClicked(Object item, Row row) {
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mRowsAdapter.remove(row);
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}
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});
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case 11:
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return new Item("delete row before", new OnItemClickedListener() {
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@Override
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public void onItemClicked(Object item, Row row) {
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int index = mRowsAdapter.indexOf(row);
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if (index > 0) {
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mRowsAdapter.removeItems(index - 1, 1);
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}
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}
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});
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case 12:
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return new Item("delete row after", new OnItemClickedListener() {
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@Override
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public void onItemClicked(Object item, Row row) {
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int index = mRowsAdapter.indexOf(row);
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if (index < mRowsAdapter.size() - 1) {
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mRowsAdapter.removeItems(index + 1, 1);
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}
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}
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});
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}
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}
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ListRow createRandomRow(HeaderItem header) {
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ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter(
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new CardPresenter());
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for (int i = 0; i < 8; i++) {
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listRowAdapter.add(createRandomItem());
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}
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return new ListRow(header, listRowAdapter);
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}
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private final class ItemClickedListener implements OnItemClickedListener {
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@Override
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public void onItemClicked(Object item, Row row) {
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((Item) item).mAction.onItemClicked(item, row);
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}
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}
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}
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