Java tutorial
/* * Copyright 2014 Hieu Rocker * * 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.haofeng.superne.thirdparty.emojicon; import android.app.Activity; import android.os.Bundle; import android.support.v4.app.Fragment; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.GridView; import com.haofeng.superne.R; import com.haofeng.superne.thirdparty.emojicon.emoji.Emojicon; import com.haofeng.superne.thirdparty.emojicon.emoji.People; /** * @author Hieu Rocker (rockerhieu@gmail.com) */ public class EmojiconGridFragment extends Fragment implements AdapterView.OnItemClickListener { private OnEmojiconClickedListener mOnEmojiconClickedListener; private Emojicon[] mData; protected static EmojiconGridFragment newInstance(Emojicon[] emojicons, OnEmojiconClickedListener listener) { EmojiconGridFragment emojiGridFragment = new EmojiconGridFragment(); Bundle args = new Bundle(); args.putSerializable("emojicons", emojicons); emojiGridFragment.setArguments(args); emojiGridFragment.mOnEmojiconClickedListener = listener; return emojiGridFragment; } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { return inflater.inflate(R.layout.emojicon_grid, container, false); } @Override public void onViewCreated(View view, Bundle savedInstanceState) { super.onViewCreated(view, savedInstanceState); GridView gridView = (GridView) view.findViewById(R.id.Emoji_GridView); mData = getArguments() == null ? People.DATA : (Emojicon[]) getArguments().getSerializable("emojicons"); gridView.setAdapter(new EmojiAdapter(view.getContext(), mData)); gridView.setOnItemClickListener(this); } @Override public void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); outState.putSerializable("emojicons", mData); } @Override public void onAttach(Activity activity) { super.onAttach(activity); // if (activity instanceof OnEmojiconClickedListener) // { // mOnEmojiconClickedListener = (OnEmojiconClickedListener) activity; // } // else if (getParentFragment() instanceof OnEmojiconClickedListener) // { // mOnEmojiconClickedListener = (OnEmojiconClickedListener) getParentFragment(); // } // else // { // throw new IllegalArgumentException(activity + " must implement interface " + OnEmojiconClickedListener.class.getSimpleName()); // } } @Override public void onDetach() { mOnEmojiconClickedListener = null; super.onDetach(); } @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { if (mOnEmojiconClickedListener != null) { mOnEmojiconClickedListener.onEmojiconClicked((Emojicon) parent.getItemAtPosition(position)); } } public void setOnEmojiconClickedListener(OnEmojiconClickedListener mOnEmojiconClickedListener) { this.mOnEmojiconClickedListener = mOnEmojiconClickedListener; } public interface OnEmojiconClickedListener { void onEmojiconClicked(Emojicon emojicon); } }