StackOverView
介绍：
又一个Android 5.0 任务管理器控件。这次这个比上次那个（MaterialRecents）要流畅些，还可以滑动删除。
运行效果：
使用说明：
先去看看MaterialRecents的效果 https://img.paonet.com/upload-images-old/a/opensource/2015/0915/3456.html
主布局的xml
<?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.
-->
<FrameLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingTop="32dp">
<!-- Recents View -->
<com.wirelesspienetwork.overview.views.Overview
android:id="@+id/recents_view"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:focusable="true" />
</FrameLayout>
item的xml
<?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.
-->
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:focusable="true"
android:layout_gravity="center_horizontal|top">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="1000dp"
android:orientation="vertical"
android:layout_gravity="center_horizontal|top"
>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="testButton"/>
</LinearLayout>
</LinearLayout>
activity
/*
* 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.wirelesspienetwork.overviewexample;
import android.app.Activity;
import android.app.SearchManager;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.graphics.Color;
import android.os.Bundle;
import android.os.Handler;
import android.view.View;
import android.view.ViewGroup;
import com.wirelesspienetwork.overview.misc.Utilities;
import com.wirelesspienetwork.overview.model.OverviewAdapter;
import com.wirelesspienetwork.overview.model.ViewHolder;
import com.wirelesspienetwork.overview.views.Overview;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.Random;
/**
* The main Recents activity that is started from AlternateRecentsComponent.
*/
public class OverviewActivity extends Activity implements Overview.RecentsViewCallbacks
{
boolean mVisible;
// Top level views
Overview mRecentsView;
/** Called with the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// For the non-primary user, ensure that the SystemSericesProxy is initialized
// Initialize the widget host (the host id is static and does not change)
// Set the Recents layout
setContentView(R.layout.recents);
mRecentsView = (Overview) findViewById(R.id.recents_view);
mRecentsView.setCallbacks(this);
mRecentsView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_STABLE |
View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN |
View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION);
// Register the broadcast receiver to handle messages when the screen is turned off
IntentFilter filter = new IntentFilter();
filter.addAction(Intent.ACTION_SCREEN_OFF);
filter.addAction(SearchManager.INTENT_GLOBAL_SEARCH_ACTIVITY_CHANGED);
// Private API calls to make the shadows look better
try {
Utilities.setShadowProperty("ambientRatio", String.valueOf(1.5f));
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (InvocationTargetException e) {
e.printStackTrace();
}
}
@Override
protected void onNewIntent(Intent intent) {
super.onNewIntent(intent);
setIntent(intent);
}
@Override
protected void onStart() {
super.onStart();
}
@Override
protected void onResume() {
super.onResume();
// Mark Recents as visible
mVisible = true;
ArrayList<Integer> models = new ArrayList<>();
for(int i = 0; i < 10; ++i)
{
Random random = new Random();
random.setSeed(i);
int color = Color.argb(255, random.nextInt(255), random.nextInt(255), random.nextInt(255));
models.add(color);
}
final OverviewAdapter stack = new OverviewAdapter<ViewHolder<View, Integer>, Integer>(models)
{
@Override
public ViewHolder onCreateViewHolder(Context context, ViewGroup parent) {
View v = View.inflate(context, R.layout.recents_dummy, null);
return new ViewHolder<View, Integer>(v);
}
@Override
public void onBindViewHolder(ViewHolder<View, Integer> viewHolder) {
viewHolder.itemView.setBackgroundColor(viewHolder.model);
}
};
mRecentsView.setTaskStack(stack);
// new Handler().postDelayed(new Runnable() {
// @Override
// public void run() {
// stack.notifyDataSetInserted(new Integer(1), 2);
// }
// },2000);
}
@Override
protected void onStop() {
super.onStop();
}
@Override
protected void onDestroy() {
super.onDestroy();
}
@Override
public void onTrimMemory(int level) {
}
@Override
public void onAllCardsDismissed() {
}
@Override
public void onCardDismissed(int position) {
}
}
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