/**
* 界面刷新 @Title: initOrRefresh
*
* @param
* @return void
* @throws
*/
private void initOrRefresh() {
if (mAdapter != null) {
if (MyMessageReceiver.mNewNum != 0) { // 用于更新当在聊天界面锁屏期间来了消息，这时再回到聊天页面的时候需要显示新来的消息
int news = MyMessageReceiver.mNewNum; // 有可能锁屏期间，来了N条消息,因此需要倒叙显示在界面上
int size = initMsgData().size();
for (int i = (news - 1); i >= 0; i--) {
mAdapter.add(initMsgData().get(size - (i + 1))); // 添加最后一条消息到界面显示
}
mListView.setSelection(mAdapter.getCount() - 1);
} else {
mAdapter.notifyDataSetChanged();
}
} else {
mAdapter = new MessageChatAdapter(this, initMsgData());
mListView.setAdapter(mAdapter);
}
}
public void handleMessage(Message msg) {
if (msg.what == NEW_MESSAGE) {
BmobMsg message = (BmobMsg) msg.obj;
String uid = message.getBelongId();
BmobMsg m =
BmobChatManager.getInstance(ChatActivity.this)
.getMessage(message.getConversationId(), message.getMsgTime());
if (!uid.equals(targetId)) // 如果不是当前正在聊天对象的消息，不处理
return;
mAdapter.add(m);
// 定位
mListView.setSelection(mAdapter.getCount() - 1);
// 取消当前聊天对象的未读标示
BmobDB.create(ChatActivity.this).resetUnread(targetId);
}
}
private void initXListView() {
// 首先不允许加载更多
mListView.setPullLoadEnable(false);
// 允许下拉
mListView.setPullRefreshEnable(true);
// 设置监听器
mListView.setXListViewListener(this);
mListView.pullRefreshing();
mListView.setDividerHeight(0);
// 加载数据
initOrRefresh();
mListView.setSelection(mAdapter.getCount() - 1);
mListView.setOnTouchListener(
new OnTouchListener() {
@Override
public boolean onTouch(View arg0, MotionEvent arg1) {
hideSoftInputView();
layout_more.setVisibility(View.GONE);
layout_add.setVisibility(View.GONE);
btn_chat_voice.setVisibility(View.VISIBLE);
btn_chat_keyboard.setVisibility(View.GONE);
btn_chat_send.setVisibility(View.GONE);
return false;
}
});
// 重发按钮的点击事件
mAdapter.setOnInViewClickListener(
R.id.iv_fail_resend,
new MessageChatAdapter.onInternalClickListener() {
@Override
public void OnClickListener(View parentV, View v, Integer position, Object values) {
// 重发消息
showResendDialog(parentV, v, values);
}
});
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.edit_user_comment: // 点击文本输入框
mListView.setSelection(mListView.getCount() - 1);
if (layout_more.getVisibility() == View.VISIBLE) {
layout_add.setVisibility(View.GONE);
layout_emo.setVisibility(View.GONE);
layout_more.setVisibility(View.GONE);
}
break;
case R.id.btn_chat_emo: // 点击笑脸图标
if (layout_more.getVisibility() == View.GONE) {
showEditState(true);
} else {
if (layout_add.getVisibility() == View.VISIBLE) {
layout_add.setVisibility(View.GONE);
layout_emo.setVisibility(View.VISIBLE);
} else {
layout_more.setVisibility(View.GONE);
}
}
break;
case R.id.btn_chat_add: // 添加按钮-显示图片、拍照、位置
if (layout_more.getVisibility() == View.GONE) {
layout_more.setVisibility(View.VISIBLE);
layout_add.setVisibility(View.VISIBLE);
layout_emo.setVisibility(View.GONE);
hideSoftInputView();
} else {
if (layout_emo.getVisibility() == View.VISIBLE) {
layout_emo.setVisibility(View.GONE);
layout_add.setVisibility(View.VISIBLE);
} else {
layout_more.setVisibility(View.GONE);
}
}
break;
case R.id.btn_chat_voice: // 语音按钮
edit_user_comment.setVisibility(View.GONE);
layout_more.setVisibility(View.GONE);
btn_chat_voice.setVisibility(View.GONE);
btn_chat_keyboard.setVisibility(View.VISIBLE);
btn_speak.setVisibility(View.VISIBLE);
hideSoftInputView();
break;
case R.id.btn_chat_keyboard: // 键盘按钮，点击就弹出键盘并隐藏掉声音按钮
showEditState(false);
break;
case R.id.btn_chat_send: // 发送文本
final String msg = edit_user_comment.getText().toString();
if (msg.equals("")) {
ShowToast("请输入发送消息!");
return;
}
boolean isNetConnected = NetStateUtils.isNetworkAvailable(this);
if (!isNetConnected) {
ShowToast(R.string.network_error);
// return;
}
// 组装BmobMessage对象
BmobMsg message = BmobMsg.createTextSendMsg(this, targetId, msg);
message.setExtra("Bmob");
// 默认发送完成，将数据保存到本地消息表和最近会话表中
manager.sendTextMessage(targetUser, message);
// 刷新界面
refreshMessage(message);
break;
case R.id.tv_camera: // 拍照
selectImageFromCamera();
break;
case R.id.tv_picture: // 图片
selectImageFromLocal();
break;
case R.id.tv_location: // 位置
selectLocationFromMap();
break;
default:
break;
}
}
/**
* 刷新界面 @Title: refreshMessage
*
* @param @param messsage
* @return void
* @throws
*/
private void refreshMessage(BmobMsg msg) {
// 更新界面
mAdapter.add(msg);
mListView.setSelection(mAdapter.getCount() - 1);
edit_user_comment.setText("");
}