Java tutorial
/** * Copyright (c) 2014-present, Facebook, Inc. All rights reserved. * * You are hereby granted a non-exclusive, worldwide, royalty-free license to use, * copy, modify, and distribute this software in source code or binary form for use * in connection with the web services and APIs provided by Facebook. * * As with any software that integrates with the Facebook platform, your use of * this software is subject to the Facebook Developer Principles and Policies * [http://developers.facebook.com/policy/]. This copyright notice shall be * included in all copies or substantial portions of the software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ package com.facebook.android.friendsmash; import android.content.Context; import android.view.LayoutInflater; import android.view.MotionEvent; import android.view.View; import android.view.ViewGroup; import android.widget.ArrayAdapter; import android.widget.ImageView; import android.widget.TextView; import com.facebook.login.widget.ProfilePictureView; import org.json.JSONObject; import java.util.List; public class RequestUserArrayAdapter extends ArrayAdapter<JSONObject> { private final Context context; private final List<JSONObject> users; public RequestUserArrayAdapter(Context context, List<JSONObject> users) { super(context, R.layout.request_list_item_view, users); this.context = context; this.users = users; } @Override public View getView(int position, View convertView, ViewGroup parent) { LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); View listItemView = inflater.inflate(R.layout.request_list_item_view, parent, false); ProfilePictureView profilePicView = (ProfilePictureView) listItemView .findViewById(R.id.requestListItemProfilePic); TextView nameView = (TextView) listItemView.findViewById(R.id.requestListItemName); final ImageView checkBox = (ImageView) listItemView.findViewById(R.id.requestListItemCheckbox); JSONObject currentUser = users.get(position); profilePicView.setProfileId(currentUser.optString("id")); profilePicView.setCropped(true); nameView.setText(currentUser.optString("first_name")); checkBox.setOnTouchListener(new View.OnTouchListener() { boolean checked = false; @Override public boolean onTouch(View v, MotionEvent event) { // toggle image if (checked) { checked = false; checkBox.setImageResource(R.drawable.checkbox_cold); } else { checked = true; checkBox.setImageResource(R.drawable.checkbox_hot); } return false; } }); return listItemView; } }