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/*
* Copyright (C) 2013 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.android.transitiontests;
import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.TextView;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
public class ListViewAddRemoveNoTransition extends Activity {
final ArrayList<String> numList = new ArrayList<String>();
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.list_view_add_remove);
final LinearLayout container = (LinearLayout) findViewById(R.id.container);
final ListView listview = (ListView) findViewById(R.id.listview);
for (int i = 0; i < 200; ++i) {
numList.add(Integer.toString(i));
}
final StableArrayAdapter adapter = new StableArrayAdapter(this,
android.R.layout.simple_list_item_1, numList);
listview.setAdapter(adapter);
listview.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, final View view, int position, long id) {
String item = (String) parent.getItemAtPosition(position);
for (int i = 0; i < listview.getChildCount(); ++i) {
TextView v = (TextView) listview.getChildAt(i);
if (!item.equals(v.getText())) {
v.setHasTransientState(true);
}
}
numList.remove(item);
adapter.notifyDataSetChanged();
view.postDelayed(new Runnable() {
@Override
public void run() {
for (int i = 0; i < listview.getChildCount(); ++i) {
TextView v = (TextView) listview.getChildAt(i);
v.setHasTransientState(false);
}
}
}, 200);
}
});
}
private class StableArrayAdapter extends ArrayAdapter<String> {
HashMap<String, Integer> mIdMap = new HashMap<String, Integer>();
public StableArrayAdapter(Context context, int textViewResourceId,
List<String> objects) {
super(context, textViewResourceId, objects);
for (int i = 0; i < objects.size(); ++i) {
mIdMap.put(objects.get(i), i);
}
}
@Override
public long getItemId(int position) {
String item = getItem(position);
return mIdMap.get(item);
}
@Override
public boolean hasStableIds() {
return true;
}
}
}
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