经过一个星期的折腾，最终做完了这个Android 聊天表情输入、表情翻页带效果、下拉刷新聊天记录。这仅仅是一个单独聊天表情的输入，以及聊天的效果实现。由于我没有写server，所以没有两方聊天的效果。

主要是聊天中表情的选择。发送。

表情翻页带有不同的效果。

我在主要代码中都写了凝视。以下看代码实现。附上本文源代码，代码较多。

下载地址：点击

一、先看实现的效果图

二、调用接口以及设置MainActivity

package com.example.activity;

import java.util.ArrayList;

import java.util.List;

import java.util.Set;

import com.org.adapter.FaceAdapter;

import com.org.adapter.FacePageAdeapter;

import com.org.adapter.MessageAdapter;

import com.org.util.MyApplication;

import com.org.util.SharePreferenceUtil;

import com.org.view.CirclePageIndicator;

import com.org.view.JazzyViewPager;

import com.org.view.JazzyViewPager.TransitionEffect;

import com.org.xlistview.MsgListView;

import com.org.xlistview.MsgListView.IXListViewListener;

import android.os.Bundle;

import android.app.Activity;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.graphics.Color;

import android.graphics.Matrix;

import android.graphics.drawable.ColorDrawable;

import android.support.v4.view.ViewPager.OnPageChangeListener;

import android.text.Editable;

import android.text.Spannable;

import android.text.SpannableString;

import android.text.TextWatcher;

import android.text.style.ImageSpan;

import android.util.Log;

import android.view.Gravity;

import android.view.KeyEvent;

import android.view.MotionEvent;

import android.view.View;

import android.view.WindowManager;

import android.view.View.OnClickListener;

import android.view.View.OnKeyListener;

import android.view.View.OnTouchListener;

import android.view.ViewGroup.LayoutParams;

import android.view.inputmethod.InputMethodManager;

import android.widget.AdapterView;

import android.widget.Button;

import android.widget.EditText;

import android.widget.GridView;

import android.widget.ImageButton;

import android.widget.LinearLayout;

import android.widget.TextView;

import android.widget.AdapterView.OnItemClickListener;

public class MainActivity extends Activity

implements

OnClickListener,

OnTouchListener,

IXListViewListener{

	private Button sendBtn;

	private ImageButton faceBtn;

	private LinearLayout faceLinearLayout;

	private EditText msgEt;

	private InputMethodManager mInputMethodManager;

	private MessageAdapter mMessageAdapter;

	private JazzyViewPager faceViewPager;

	private MsgListView mMsgListView;

	private MyApplication mApplication;

	private SharePreferenceUtil mSpUtil;

	private WindowManager.LayoutParams mLayoutParams;

	private List<String> mListFaceKeys;

	private int currentPage = 0;

	private boolean isFaceShow = false;

	private static int MsgPagerNum;

	@Override

	protected void onCreate(Bundle savedInstanceState) {

		super.onCreate(savedInstanceState);

		setContentView(R.layout.chat_main);

		initData();

		initUI();

		initFacePage();

	}

	private void initData() {

		mApplication = MyApplication.getInstance();

		//SharePreference存储类

		mSpUtil = new SharePreferenceUtil(this, "message_save");

		//初始化消息列表适配器

		mMessageAdapter = new MessageAdapter(this, initMsgData());

		//载入表情的列表

		Set<String> keySet = MyApplication.getInstance().getFaceMap().keySet();

		mListFaceKeys = new ArrayList<String>();

		mListFaceKeys.addAll(keySet);

		MsgPagerNum = 0;

	}

	private void initUI() {

		mInputMethodManager = (InputMethodManager) getSystemService(INPUT_METHOD_SERVICE);

		//获取窗体触摸操作

		mLayoutParams = getWindow().getAttributes();

		mMsgListView = (MsgListView) findViewById(R.id.msg_listView);

		// 触摸ListView隐藏表情和输入法

		mMsgListView.setOnTouchListener(this);

		mMsgListView.setPullLoadEnable(false);

		mMsgListView.setXListViewListener(this);

		mMsgListView.setAdapter(mMessageAdapter);

		mMsgListView.setSelection(mMessageAdapter.getCount() - 1);

		sendBtn = (Button) findViewById(R.id.send_btn);

		faceBtn = (ImageButton) findViewById(R.id.face_btn);

		faceLinearLayout = (LinearLayout) findViewById(R.id.face_ll);

		msgEt = (EditText) findViewById(R.id.msg_et);

		faceLinearLayout = (LinearLayout) findViewById(R.id.face_ll);

		faceViewPager = (JazzyViewPager) findViewById(R.id.face_pager);

		//标题栏控件

		TextView mTitle = (TextView) findViewById(R.id.ivTitleName);

		mTitle.setText("默默笙箫");

		TextView mTitleLeftBtn = (TextView) findViewById(R.id.ivTitleBtnLeft);

		mTitleLeftBtn.setVisibility(View.VISIBLE);

		mTitleLeftBtn.setOnClickListener(this);

		//输入框的触摸监听的绑定

		msgEt.setOnTouchListener(this);

		msgEt.setOnKeyListener(new OnKeyListener() {

			@Override

			public boolean onKey(View v, int keyCode, KeyEvent event) {

				if (keyCode == KeyEvent.KEYCODE_BACK) {

					if (mLayoutParams.softInputMode == WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE

							|| isFaceShow) {

						faceLinearLayout.setVisibility(View.GONE);

						isFaceShow = false;

						// imm.showSoftInput(msgEt, 0);

						return true;

					}

				}

				return false;

			}

		});

		//输入框的实时输入长度的监听

		msgEt.addTextChangedListener(new TextWatcher() {

			@Override

			public void onTextChanged(CharSequence s, int start, int before,

					int count) {

			}

			@Override

			public void beforeTextChanged(CharSequence s, int start, int count,

					int after) {

			}

			@Override

			public void afterTextChanged(Editable s) {

				if (s.length() > 0) {

					sendBtn.setEnabled(true);

				} else {

					sendBtn.setEnabled(false);

				}

			}

		});

		faceBtn.setOnClickListener(this);

		sendBtn.setOnClickListener(this);

	}

	@Override

	public boolean onTouch(View v, MotionEvent event) {

		switch (v.getId()) {

		case R.id.msg_listView:   //ListView触摸实现

			mInputMethodManager.hideSoftInputFromWindow(msgEt.getWindowToken(), 0);

			faceLinearLayout.setVisibility(View.GONE);

			isFaceShow = false;

			break;

		case R.id.msg_et:    //输入框触摸实现

			mInputMethodManager.showSoftInput(msgEt, 0);

			faceLinearLayout.setVisibility(View.GONE);

			isFaceShow = false;

			break;

		default:

			break;

		}

		return false;

	}

	//历史数据。在開始时显示

	private List<MessageItem> initMsgData() {

		List<MessageItem> msgList = new ArrayList<MessageItem>();// 消息对象数组

		MessageItem item = new MessageItem(MessageItem.MESSAGE_TYPE_TEXT,

				mSpUtil.getNick(), System.currentTimeMillis(), "历史消息",

				mSpUtil.getHeadIcon(), false, 0);

		msgList.add(item);

		return msgList;

	}

	@Override

	public void onClick(View v) {

		switch (v.getId()) {

		case R.id.face_btn:  //弹出表情

			if (!isFaceShow) {

				mInputMethodManager.hideSoftInputFromWindow(msgEt.getWindowToken(), 0);

				try {

					Thread.sleep(80);// 解决此时会黑一下屏幕的问题

				} catch (InterruptedException e) {

					e.printStackTrace();

				}

				faceLinearLayout.setVisibility(View.VISIBLE);

				isFaceShow = true;

			} else {

				faceLinearLayout.setVisibility(View.GONE);

				isFaceShow = false;

			}

			break;

		case R.id.send_btn:// 发送消息

			String msg = msgEt.getText().toString();

			MessageItem item = new MessageItem(MessageItem.MESSAGE_TYPE_TEXT,

					mSpUtil.getNick(), System.currentTimeMillis(), msg,

					mSpUtil.getHeadIcon(), false, 0);

			mMessageAdapter.upDateMsg(item);

			mMsgListView.setSelection(mMessageAdapter.getCount() - 1);

			msgEt.setText("");

			break;

		case R.id.ivTitleBtnLeft:

			finish();

			break;

//		case R.id.ivTitleBtnRigh:

//			break;

		default:

			break;

		}

	}

	//载入表情。以及设置翻页效果

	private void initFacePage() {

		List<View> lv = new ArrayList<View>();

		for (int i = 0; i < MyApplication.NUM_PAGE; ++i)

			lv.add(getGridView(i));

		FacePageAdeapter adapter = new FacePageAdeapter(lv, faceViewPager);

		faceViewPager.setAdapter(adapter);

		faceViewPager.setCurrentItem(currentPage);

		faceViewPager.setTransitionEffect(mEffects[mSpUtil.getFaceEffect()]);

		CirclePageIndicator indicator = (CirclePageIndicator) findViewById(R.id.indicator);

		indicator.setViewPager(faceViewPager);

		adapter.notifyDataSetChanged();

		faceLinearLayout.setVisibility(View.GONE);

		indicator.setOnPageChangeListener(new OnPageChangeListener() {

			@Override

			public void onPageSelected(int arg0) {

				currentPage = arg0;

			}

			@Override

			public void onPageScrolled(int arg0, float arg1, int arg2) {

				// do nothing

			}

			@Override

			public void onPageScrollStateChanged(int arg0) {

				// do nothing

			}

		});

	}

	//表情表格控件放置。设置背景

	private GridView getGridView(int i) {

		GridView gv = new GridView(this);

		gv.setNumColumns(7);      //一行显示7个表情

		gv.setSelector(new ColorDrawable(Color.TRANSPARENT));// 屏蔽GridView默认点击效果

		gv.setBackgroundColor(Color.TRANSPARENT);

		gv.setCacheColorHint(Color.TRANSPARENT);

		gv.setHorizontalSpacing(1);

		gv.setVerticalSpacing(1);

		gv.setLayoutParams(new LayoutParams(LayoutParams.MATCH_PARENT,LayoutParams.MATCH_PARENT));

		gv.setGravity(Gravity.CENTER);

		gv.setAdapter(new FaceAdapter(this, i));

		gv.setOnTouchListener(forbidenScroll());    	// 防止乱pageview乱滚动

		gv.setOnItemClickListener(new OnItemClickListener() {

			@Override

			public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,

					long arg3) {

				if (arg2 == MyApplication.NUM) {   // 删除表情键的位置

					int selection = msgEt.getSelectionStart();

					String text = msgEt.getText().toString();

					if (selection > 0) {

						String text2 = text.substring(selection - 1);

						if ("]".equals(text2)) {

							int start = text.lastIndexOf("[");

							int end = selection;

							msgEt.getText().delete(start, end);

							return;

						}

						msgEt.getText().delete(selection - 1, selection);

					}

				} else {

					int count = currentPage * MyApplication.NUM + arg2;

					// 凝视的部分，在EditText中显示字符串

					// String ori = msgEt.getText().toString();

					// int index = msgEt.getSelectionStart();

					// StringBuilder stringBuilder = new StringBuilder(ori);

					// stringBuilder.insert(index, keys.get(count));

					// msgEt.setText(stringBuilder.toString());

					// msgEt.setSelection(index + keys.get(count).length());

					// 以下这部分。在EditText中显示表情

					Bitmap bitmap = BitmapFactory.decodeResource(

							getResources(), (Integer) MyApplication

									.getInstance().getFaceMap().values()

									.toArray()[count]);

					if (bitmap != null) {

						int rawHeigh = bitmap.getHeight();

						int rawWidth = bitmap.getHeight();

						int newHeight = 40;

						int newWidth = 40;

						// 计算缩放因子

						float heightScale = ((float) newHeight) / rawHeigh;

						float widthScale = ((float) newWidth) / rawWidth;

						// 新建立矩阵

						Matrix matrix = new Matrix();

						matrix.postScale(heightScale, widthScale);

						// 设置图片的旋转角度

						// matrix.postRotate(-30);

						// 设置图片的倾斜

						// matrix.postSkew(0.1f, 0.1f);

						// 将图片大小压缩

						// 压缩后图片的宽和高以及kB大小均会变化

						Bitmap newBitmap = Bitmap.createBitmap(bitmap, 0, 0,

								rawWidth, rawHeigh, matrix, true);

						ImageSpan imageSpan = new ImageSpan(MainActivity.this,

								newBitmap);

						String emojiStr = mListFaceKeys.get(count);

						SpannableString spannableString = new SpannableString(

								emojiStr);

						spannableString.setSpan(imageSpan,

								emojiStr.indexOf('['),

								emojiStr.indexOf(']') + 1,

								Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);

						msgEt.append(spannableString);

					} else {

						String ori = msgEt.getText().toString();

						int index = msgEt.getSelectionStart();

						StringBuilder stringBuilder = new StringBuilder(ori);

						stringBuilder.insert(index, mListFaceKeys.get(count));

						msgEt.setText(stringBuilder.toString());

						msgEt.setSelection(index + mListFaceKeys.get(count).length());

					}

				}

			}

		});

		return gv;

	}	

	// 防止乱pageview乱滚动

	private OnTouchListener forbidenScroll() {

		return new OnTouchListener() {

			public boolean onTouch(View v, MotionEvent event) {

				if (event.getAction() == MotionEvent.ACTION_MOVE) {

					return true;

				}

				return false;

			}

		};

	}

	@Override

	protected void onPause() {

		// TODO Auto-generated method stub

		mInputMethodManager.hideSoftInputFromWindow(msgEt.getWindowToken(), 0);

		faceLinearLayout.setVisibility(View.GONE);

		isFaceShow = false;

		super.onPause();

	}

	//处理下拉刷新的效果

	@Override

	public void onRefresh() {

		MsgPagerNum++;

		List<MessageItem> msgList = initMsgData();

		int position = mMessageAdapter.getCount();

		mMessageAdapter.setMessageList(msgList);

		mMsgListView.stopRefresh();

		mMsgListView.setSelection(mMessageAdapter.getCount() - position - 1);

		Log.i("Show","MsgPagerNum = " + mMessageAdapter + ", adapter.getCount() = "

				+ mMessageAdapter.getCount());

	}

	@Override

	public void onLoadMore() {

		// TODO Auto-generated method stub

	}

	private TransitionEffect mEffects[] = { TransitionEffect.Standard,

			TransitionEffect.Tablet, TransitionEffect.CubeIn,

			TransitionEffect.CubeOut, TransitionEffect.FlipVertical,

			TransitionEffect.FlipHorizontal, TransitionEffect.Stack,

			TransitionEffect.ZoomIn, TransitionEffect.ZoomOut,

			TransitionEffect.RotateUp, TransitionEffect.RotateDown,

			TransitionEffect.Accordion, };// 表情翻页效果

}

二、基本的xml

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:id="@+id/root"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    android:orientation="vertical" >

    <include layout="@layout/common_title_bg" />

    <FrameLayout

        android:layout_width="fill_parent"

        android:layout_height="0.0dip"

        android:layout_weight="1.0"

        android:background="@drawable/chat_bg_01" >

        <com.org.xlistview.MsgListView

            android:id="@+id/msg_listView"

            android:layout_width="fill_parent"

            android:layout_height="fill_parent"

            android:divider="@null"

            android:listSelector="@android:color/transparent"

            android:transcriptMode="normal" />

    </FrameLayout>

    <LinearLayout

        android:id="@+id/inputBar"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:background="@drawable/bottombar_bg"

        android:gravity="center_vertical" >

        <!-- <ImageButton

            android:id="@+id/more_btn"

            android:layout_width="42.0dip"

            android:layout_height="fill_parent"

            android:background="@android:color/transparent"

            android:paddingLeft="10.0dip"

            android:src="@drawable/pop_btn_selector" /> -->

        <ImageButton

            android:id="@+id/face_btn"

            android:layout_width="42.0dip"

            android:layout_height="fill_parent"

            android:background="@android:color/transparent"

            android:paddingLeft="5.0dip"

            android:paddingRight="5.0dip"

            android:src="@drawable/pop_btn_face_selector" />

        <EditText

            android:id="@+id/msg_et"

            android:layout_width="0.0dip"

            android:layout_height="40dip"

            android:layout_marginBottom="6.0dip"

            android:layout_marginTop="6.0dip"

            android:layout_weight="1.0"

            android:background="@drawable/chat_bottombar_input"

            android:inputType="textMultiLine"

            android:maxHeight="68.0dip"

            android:paddingBottom="4.0dip"

            android:paddingLeft="10.0dip"

            android:paddingRight="14.0dip"

            android:paddingTop="4.0dip"

            android:textSize="16.0sp" />

        <LinearLayout

            android:id="@+id/send_layout"

            android:layout_width="56.0dip"

            android:layout_height="fill_parent"

            android:layout_gravity="left|center"

            android:clickable="true"

            android:gravity="center_vertical" >

            <Button

                android:id="@+id/send_btn"

                android:layout_width="42.0dip"

                android:layout_height="34.0dip"

                android:layout_marginLeft="4.0dip"

                android:background="@drawable/chat_bottombar_btn_selector"

                android:enabled="false"

                android:shadowColor="#ff568ab5"

                android:shadowDx="0.0"

                android:shadowDy="-1.0"

                android:shadowRadius="0.2"

                android:text="发送"

                android:textColor="@color/send_btn_textcolor"

                android:textSize="14.0sp" />

        </LinearLayout>

    </LinearLayout>

    <FrameLayout

        android:id="@+id/panelLayout"

        android:layout_width="fill_parent"

        android:layout_height="204.0dip"

        android:background="#ff34373c"

        android:visibility="gone" >

        <GridView

            android:id="@+id/panel"

            android:layout_width="fill_parent"

            android:layout_height="204.0dip"

            android:gravity="center"

            android:listSelector="#ff34373c"

            android:numColumns="4"

            android:paddingLeft="11.0dip"

            android:paddingRight="11.0dip"

            android:paddingTop="14.0dip"

            android:scrollbars="none"

            android:stretchMode="columnWidth"

            android:verticalSpacing="14.0dip" />

        <ImageView

            android:layout_width="fill_parent"

            android:layout_height="wrap_content"

            android:background="@drawable/chat_plugin_shadow" />

    </FrameLayout>

    <LinearLayout

        android:id="@+id/face_ll"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:background="#fff0f0f0"

        android:orientation="vertical"

        android:paddingBottom="5dip"

        android:paddingTop="5dip"

        android:visibility="gone" >

        <com.org.view.JazzyViewPager

            xmlns:app="http://schemas.android.com/apk/res-auto"

            android:id="@+id/face_pager"

            app:style="cubeout"

            android:layout_width="fill_parent"

            android:layout_height="120.0dip"

            android:layout_marginLeft="5dip"

            android:layout_marginRight="5dip"

            android:background="#0000"

            android:flipInterval="30"

            android:persistentDrawingCache="animation" />

        <com.org.view.CirclePageIndicator

            xmlns:app="http://schemas.android.com/apk/res-auto"

            android:id="@+id/indicator"

            android:layout_width="fill_parent"

            android:layout_height="wrap_content"

            android:padding="10dip" />

    </LinearLayout>

</LinearLayout>

还有很多适配器，其它实现效果的源代码就不具体贴了，须要细致研究，下载本文的源代码。

下载地址：点击

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