SupportLeanbackDemo: example of add/remove items/rows
Change-Id: I3f74f7d768c8e61ae81a23e5515dec19b82d6289
diff --git a/samples/SupportLeanbackDemos/AndroidManifest.xml b/samples/SupportLeanbackDemos/AndroidManifest.xml
index 9644336..2617546 100644
--- a/samples/SupportLeanbackDemos/AndroidManifest.xml
+++ b/samples/SupportLeanbackDemos/AndroidManifest.xml
@@ -22,6 +22,10 @@
</intent-filter>
</activity>
+ <activity android:name="BrowseAnimationActivity"
+ android:exported="true" >
+ </activity>
+
<activity android:name="DetailsActivity"
android:exported="true" />
diff --git a/samples/SupportLeanbackDemos/res/layout/browse_animation.xml b/samples/SupportLeanbackDemos/res/layout/browse_animation.xml
new file mode 100644
index 0000000..7b00345
--- /dev/null
+++ b/samples/SupportLeanbackDemos/res/layout/browse_animation.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+ 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.
+-->
+
+<fragment xmlns:android="http://schemas.android.com/apk/res/android"
+ android:name="com.example.android.leanback.BrowseAnimationFragment"
+ android:id="@+id/main_browse_fragment"
+ android:layout_width="match_parent"
+ android:layout_height="match_parent"
+/>
diff --git a/samples/SupportLeanbackDemos/src/com/example/android/leanback/BrowseAnimationActivity.java b/samples/SupportLeanbackDemos/src/com/example/android/leanback/BrowseAnimationActivity.java
new file mode 100644
index 0000000..42ce8a6
--- /dev/null
+++ b/samples/SupportLeanbackDemos/src/com/example/android/leanback/BrowseAnimationActivity.java
@@ -0,0 +1,28 @@
+/*
+ * 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.os.Bundle;
+
+public class BrowseAnimationActivity extends Activity
+{
+ /** Called when the activity is first created. */
+ @Override
+ public void onCreate(Bundle savedInstanceState)
+ {
+ super.onCreate(savedInstanceState);
+ setContentView(R.layout.browse_animation);
+ }
+}
diff --git a/samples/SupportLeanbackDemos/src/com/example/android/leanback/BrowseAnimationFragment.java b/samples/SupportLeanbackDemos/src/com/example/android/leanback/BrowseAnimationFragment.java
new file mode 100644
index 0000000..7e671b4
--- /dev/null
+++ b/samples/SupportLeanbackDemos/src/com/example/android/leanback/BrowseAnimationFragment.java
@@ -0,0 +1,265 @@
+/*
+ * 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.OnItemClickedListener;
+import android.support.v17.leanback.widget.Row;
+import android.util.Log;
+import android.view.View;
+
+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 OnItemClickedListener mAction;
+
+ Item(String text, OnItemClickedListener action) {
+ mText = text;
+ mAction = action;
+ }
+
+ @Override
+ public String toString() {
+ return mText;
+ }
+ }
+
+ @Override
+ public void onCreate(Bundle savedInstanceState) {
+ Log.i(TAG, "onCreate");
+ super.onCreate(savedInstanceState);
+
+ Params p = new Params();
+ p.setBadgeImage(
+ getActivity().getResources().getDrawable(R.drawable.ic_title));
+ p.setTitle("Leanback Sample App");
+ p.setHeadersState(HEADERS_ENABLED);
+ setBrowseParams(p);
+
+ setOnSearchClickedListener(new View.OnClickListener() {
+ @Override
+ public void onClick(View view) {
+ Intent intent = new Intent(getActivity(), SearchActivity.class);
+ startActivity(intent);
+ }
+ });
+
+ setupRows();
+ setOnItemClickedListener(new ItemClickedListener());
+ }
+
+ 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, null)));
+ }
+ setAdapter(mRowsAdapter);
+ }
+
+ Item createRandomItem() {
+ switch (sRand.nextInt(13)) {
+ default:
+ case 0:
+ return new Item("Remove Item before", new OnItemClickedListener() {
+ @Override
+ public void onItemClicked(Object item, Row row) {
+ ArrayObjectAdapter adapter = ((ArrayObjectAdapter) ((ListRow) row)
+ .getAdapter());
+ int index = adapter.indexOf(item);
+ if (index >= 0) {
+ if (index > 0)
+ index = 0;
+ adapter.removeItems(index, 1);
+ }
+ }
+ });
+ case 1:
+ return new Item("Remove Item after", new OnItemClickedListener() {
+ @Override
+ public void onItemClicked(Object item, 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 OnItemClickedListener() {
+ @Override
+ public void onItemClicked(Object item, 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 OnItemClickedListener() {
+ @Override
+ public void onItemClicked(Object item, Row row) {
+ ArrayObjectAdapter adapter = ((ArrayObjectAdapter) ((ListRow) row)
+ .getAdapter());
+ adapter.clear();
+ }
+ });
+ case 4:
+ return new Item("add item before", new OnItemClickedListener() {
+ @Override
+ public void onItemClicked(Object item, 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 OnItemClickedListener() {
+ @Override
+ public void onItemClicked(Object item, 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 OnItemClickedListener() {
+ @Override
+ public void onItemClicked(Object item, 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 OnItemClickedListener() {
+ @Override
+ public void onItemClicked(Object item, 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 OnItemClickedListener() {
+ @Override
+ public void onItemClicked(Object item, Row row) {
+ int index = mRowsAdapter.indexOf(row);
+ if (index >= 0) {
+ int headerId = sRand.nextInt();
+ mRowsAdapter.add(index, createRandomRow(new HeaderItem(
+ headerId, "Row " + headerId, null)));
+ }
+ }
+ });
+ case 9:
+ return new Item("add row after", new OnItemClickedListener() {
+ @Override
+ public void onItemClicked(Object item, Row row) {
+ int index = mRowsAdapter.indexOf(row);
+ if (index >= 0) {
+ int headerId = sRand.nextInt();
+ mRowsAdapter.add(
+ index + 1, createRandomRow(new HeaderItem(
+ headerId, "Row " + headerId, null)));
+ }
+ }
+ });
+ case 10:
+ return new Item("delete row", new OnItemClickedListener() {
+ @Override
+ public void onItemClicked(Object item, Row row) {
+ mRowsAdapter.remove(row);
+ }
+ });
+ case 11:
+ return new Item("delete row before", new OnItemClickedListener() {
+ @Override
+ public void onItemClicked(Object item, Row row) {
+ int index = mRowsAdapter.indexOf(row);
+ if (index > 0) {
+ mRowsAdapter.removeItems(index - 1, 1);
+ }
+ }
+ });
+ case 12:
+ return new Item("delete row after", new OnItemClickedListener() {
+ @Override
+ public void onItemClicked(Object item, Row row) {
+ int index = mRowsAdapter.indexOf(row);
+ if (index < mRowsAdapter.size() - 1) {
+ mRowsAdapter.removeItems(index + 1, 1);
+ }
+ }
+ });
+ }
+ }
+
+ ListRow createRandomRow(HeaderItem header) {
+ ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter(
+ new CardPresenter());
+ for (int i = 0; i < 8; i++) {
+ listRowAdapter.add(createRandomItem());
+ }
+ return new ListRow(header, listRowAdapter);
+ }
+
+ private final class ItemClickedListener implements OnItemClickedListener {
+ @Override
+ public void onItemClicked(Object item, Row row) {
+ ((Item) item).mAction.onItemClicked(item, row);
+ }
+ }
+}
