package com.ccxt.whl.gushi;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.apache.http.Header;
import com.ccxt.whl.Constant;
import com.ccxt.whl.DemoApplication;
import com.ccxt.whl.R;
import com.ccxt.whl.utils.CommonUtils;
import com.ccxt.whl.utils.DeviceUuidFactory;
import com.ccxt.whl.utils.HttpRestClient;
import com.ccxt.whl.utils.ImageOptions;
import com.ccxt.whl.utils.JsonToMapList;
import com.ccxt.whl.utils.MyLogger;
import com.ccxt.whl.utils.PreferenceUtils;
import com.loopj.android.http.BaseJsonHttpResponseHandler;
import com.loopj.android.http.RequestParams;
import com.nostra13.universalimageloader.core.ImageLoader;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Color;
import android.graphics.Rect;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.ColorDrawable;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.text.Editable;
import android.text.Selection;
import android.text.Spannable;
import android.text.TextWatcher;
import android.view.Gravity;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.view.View.OnClickListener;
import android.view.ViewGroup.LayoutParams;
import android.view.ViewTreeObserver.OnGlobalLayoutListener;
import android.view.ViewTreeObserver.OnPreDrawListener;
import android.view.animation.AnimationUtils;
import android.view.inputmethod.InputMethodManager;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.GridView;
import android.widget.HorizontalScrollView;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.PopupWindow;
import android.widget.ScrollView;
import android.widget.TextView;
import android.widget.Toast;
import android.widget.AdapterView.OnItemClickListener;
public class PublishActivity extends Activity implements OnItemClickListener {
private GridView gridview;
private GridAdapter adapter;
private LinearLayout activity_selectimg_send;
// private ImageView back;
private LinearLayout back;
private EditText comment_content;
/*************输入限制************/
private static final int MAX_COUNT = 140;
private TextView mTextView = null;
/*************输入限制end************/
private String temp;
private Button selectimg_bt_content_type, selectimg_bt_search;
//private LinearLayout selectimg_relativeLayout_below;
private LinearLayout pic_add;
//private ScrollView activity_selectimg_scrollView;
private HorizontalScrollView selectimg_horizontalScrollView;
private List<String> categoryList;
private float dp;
public List<Bitmap> bmp = new ArrayList<Bitmap>();
public List<String> drr = new ArrayList<String>();
List<String> urList = new ArrayList<String>();
private ProgressDialog pd;//添加loading条
//新增设备唯一id
private static String uid = null;
private static MyLogger Log = MyLogger.yLog();
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.gushi_publish_activity);
/****************配置必要参数****************/
DeviceUuidFactory uuid = new DeviceUuidFactory(PublishActivity.this);
uid = uuid.getDeviceUuid().toString(); //获取设备唯一id
pd = new ProgressDialog(PublishActivity.this);
pd.setMessage("正在提交请求...");
/*****************配置必要参数***************/
Init();
//实例化字数统计控件
mTextView = (TextView) findViewById(R.id.count);
setLeftCount();
}
public void Init() {
dp = getResources().getDimension(R.dimen.dp);
comment_content = (EditText) findViewById(R.id.comment_content);
comment_content.setFocusable(true);
comment_content.setFocusableInTouchMode(true);
//添加字数统计监听
comment_content.addTextChangedListener(mTextWatcher);
back = (LinearLayout) findViewById(R.id.back);
back.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if(bmp.size()>0||comment_content.getText().length()>0){
new AlertDialog.Builder(PublishActivity.this)
.setTitle("要放弃发布故事吗？")
.setPositiveButton("确定", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
PublishActivity.this.finish();
dialog.dismiss();
//设置你的操作事项
}
})
.setNegativeButton("取消", null)
.show();
}else{
PublishActivity.this.finish();
}
}
});
selectimg_horizontalScrollView = (HorizontalScrollView) findViewById(R.id.selectimg_horizontalScrollView);
gridview = (GridView) findViewById(R.id.noScrollgridview);
gridview.setSelector(new ColorDrawable(Color.TRANSPARENT));
gridviewInit();
comment_content.addTextChangedListener(new TextWatcher() {
@Override
public void onTextChanged(CharSequence s, int start, int before,
int count) {
// TODO Auto-generated method stub
temp = s.toString();
}
@Override
public void beforeTextChanged(CharSequence s, int start, int count,
int after) {
// TODO Auto-generated method stub
}
@Override
public void afterTextChanged(Editable s) {
// TODO Auto-generated method stub
}
});
activity_selectimg_send = (LinearLayout) findViewById(R.id.activity_selectimg_send);
activity_selectimg_send.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
/*if (bmp.size() < 1) {
Toast.makeText(getApplicationContext(), "至少需要一张图片",
Toast.LENGTH_SHORT).show();
return;
}*/
if (bmp.size() > 3) {
Toast.makeText(getApplicationContext(), "每次发布最多三张图片",
Toast.LENGTH_SHORT).show();
return;
}
((InputMethodManager) getSystemService(INPUT_METHOD_SERVICE))
.hideSoftInputFromWindow(PublishActivity.this
.getCurrentFocus().getWindowToken(),
InputMethodManager.HIDE_NOT_ALWAYS);
String content = comment_content.getText().toString().trim();
String content_str = null;//要发布的文字
try {
content_str = URLEncoder.encode(content,"UTF-8");
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
if (content.equals("")) {
Toast.makeText(getApplicationContext(), "发布的内容不能为空",
Toast.LENGTH_SHORT).show();
return;
}
for (int i = 0; i < drr.size(); i++) {
urList.add(drr.get(i));
}
//System.out.println(urList.toString());
publish_gushi(urList, content_str);//发布故事事件
// 图片地址 urList；
}
private void publish_gushi(final List<String> urList, String content) {
activity_selectimg_send.setEnabled(false);
pd.show();
//System.out.println("=================="+urList.size());
RequestParams params = new RequestParams();
for(int i=0;i<urList.size();i++){
File file = new File(urList.get(i));
try {
params.put("pic"+i, file,"image/jpeg");
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
params.add("content", content);
params.put("user", DemoApplication.getInstance().getUser());
params.put("picnum", urList.size());//发布图片数量
params.add("uid", uid);
params.add("jwd", PreferenceUtils.getInstance(PublishActivity.this).getSettingUserloc());
HttpRestClient.post(Constant.GUSHI_PUBLISH, params, new BaseJsonHttpResponseHandler() {
@Override
public void onSuccess(int statusCode, Header[] headers,
String rawJsonResponse, Object response) {
urList.clear();
Log.d("publish_qes"+rawJsonResponse );
pd.dismiss();
activity_selectimg_send.setEnabled(true);
if(CommonUtils.isNullOrEmpty(rawJsonResponse)){
Toast.makeText(PublishActivity.this, "您的网络不稳定,请检查网络！", 0).show();
return;
}
Map<String, Object> lm = JsonToMapList.getMap(rawJsonResponse);
if(lm.get("status").toString() != null && lm.get("status").toString().equals("yes")){
Toast.makeText(PublishActivity.this, "更新成功", 0).show();
Log.d("message=="+lm.get("message").toString());
comment_content.setText("");
bmp.clear();
adapter.notifyDataSetChanged();
}else{
Toast.makeText(PublishActivity.this, lm.get("message").toString(), 0).show();
Log.d("message=="+lm.get("message").toString());
}
}
@Override
public void onFailure(int statusCode, Header[] headers,
Throwable throwable, String rawJsonData,
Object errorResponse) {
pd.dismiss();
Toast.makeText(PublishActivity.this, "您的网络不稳定，请稍后再试", 0).show();
activity_selectimg_send.setEnabled(true);
urList.clear();
// TODO Auto-generated method stub
}
@Override
protected Object parseResponse(String rawJsonData,
boolean isFailure) throws Throwable {
// TODO Auto-generated method stub
return null;
}
});
// params.put("pic1", file,"image/jpeg");
// params.put("pic2", file,"image/jpeg");
// params.put("pic3", file,"image/jpeg");
//params.put("user", DemoApplication.getInstance().getUser());
//params.put("param", "headurl");
//params.add("uid", uid);
// HttpRestClient.post(Constant.UPDATE_USER_URL, params, responseHandler);
// pd.show();
/*
RequestParams params = new RequestParams();
final String contentType = RequestParams.APPLICATION_OCTET_STREAM;
params.put("fileOne", , contentType);
params.put("fileTwo", , contentType);
params.put("fileThree", , contentType);
params.put("fileFour", , contentType);
params.put("fileFive",, contentType);
// client.post(this, URL, params, responseHandler);
*
*
*
*
*
*@Override
public void onSuccess(int statusCode, Header[] headers,
String rawJsonResponse, Object response) {
// TODO Auto-generated method stub
Log.d("publish_qes",rawJsonResponse );
pd.dismiss();
activity_selectimg_send.setEnabled(true);
if(CommonUtils.isNullOrEmpty(rawJsonResponse)){
Toast.makeText(PublishActivity.this, "您的网络不稳定,请检查网络！", 0).show();
return;
}
Map<String, Object> lm = JsonToMapList.getMap(rawJsonResponse);
if(lm.get("status").toString() != null && lm.get("status").toString().equals("yes")){
Toast.makeText(PublishActivity.this, "更新成功", 0).show();
Log.d("log","message=="+lm.get("message").toString());
}else{
Toast.makeText(PublishActivity.this, lm.get("message").toString(), 0).show();
Log.d("log","message=="+lm.get("message").toString());
}
}
@Override
public void onFailure(int statusCode, Header[] headers,
Throwable throwable, String rawJsonData,
Object errorResponse) {
// TODO Auto-generated method stub
pd.dismiss();
Toast.makeText(PublishActivity.this, "您的网络不稳定，请稍后再试", 0).show();
activity_selectimg_send.setEnabled(true);
}
@Override
protected Object parseResponse(String rawJsonData,
boolean isFailure) throws Throwable {
// TODO Auto-generated method stub
System.out.println("================="+rawJsonData);
pd.dismiss();
Toast.makeText(PublishActivity.this, "您的网络不稳定，请稍后再试", 0).show();
activity_selectimg_send.setEnabled(true);
return null;
}
*
*/
}
});
/*******************************************暂时未知以下代码作用***************************************************/
// selectimg_relativeLayout_below = (LinearLayout) findViewById(R.id.selectimg_relativeLayout_below);
//activity_selectimg_scrollView = (ScrollView) findViewById(R.id.activity_selectimg_scrollView);
//activity_selectimg_scrollView.setVerticalScrollBarEnabled(false);
pic_add = (LinearLayout) findViewById(R.id.pic_add);
final View decorView = getWindow().getDecorView();
final WindowManager wm = this.getWindowManager();
decorView.getViewTreeObserver().addOnGlobalLayoutListener(
new OnGlobalLayoutListener() {
@Override
public void onGlobalLayout() {
@SuppressWarnings("deprecation")
int displayheight = wm.getDefaultDisplay().getHeight();
Rect rect = new Rect();
decorView.getWindowVisibleDisplayFrame(rect);
int dynamicHight = rect.bottom - rect.top;
float ratio = (float) dynamicHight
/ (float) displayheight;
if (ratio > 0.2f && ratio < 0.6f) {
// selectimg_relativeLayout_below
// .setVisibility(View.VISIBLE);
// activity_selectimg_scrollView.scrollBy(0,
// activity_selectimg_scrollView.getHeight());
pic_add.setVisibility(View.GONE);
} else {
// selectimg_relativeLayout_below
// .setVisibility(View.GONE);
pic_add.setVisibility(View.VISIBLE);
}
}
});
/*****************************************暂时未知以上代码作用***************************************************/
}
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK) {
if(bmp.size()>0||comment_content.getText().length()>0){
new AlertDialog.Builder(PublishActivity.this)
.setTitle("要放弃发布故事吗？")
.setPositiveButton("确定", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
PublishActivity.this.finish();
dialog.dismiss();
//设置你的操作事项
}
})
.setNegativeButton("取消", null)
.show();
}else{
PublishActivity.this.finish();
}
return true;
} else {
return super.onKeyDown(keyCode, event);
}
}
public void gridviewInit() {
adapter = new GridAdapter(this);
adapter.setSelectedPosition(0);
int size = 0;
if (bmp.size() < 6) {
size = bmp.size() + 1;
} else {
size = bmp.size();
}
LayoutParams params = gridview.getLayoutParams();
final int width = size * (int) (dp * 9.4f);
params.width = width;
gridview.setLayoutParams(params);
gridview.setColumnWidth((int) (dp * 9.4f));
gridview.setStretchMode(GridView.NO_STRETCH);
gridview.setNumColumns(size);
gridview.setAdapter(adapter);
gridview.setOnItemClickListener(this);
selectimg_horizontalScrollView.getViewTreeObserver()
.addOnPreDrawListener(// 绘制完毕
new OnPreDrawListener() {
public boolean onPreDraw() {
selectimg_horizontalScrollView.scrollTo(width,
0);
selectimg_horizontalScrollView
.getViewTreeObserver()
.removeOnPreDrawListener(this);
return false;
}
});
}
protected void onPause() {
// TODO Auto-generated method stub
super.onPause();
}
public class GridAdapter extends BaseAdapter {
private LayoutInflater listContainer;
private int selectedPosition = -1;
private boolean shape;
public boolean isShape() {
return shape;
}
public void setShape(boolean shape) {
this.shape = shape;
}
public class ViewHolder {
public ImageView image;
public Button bt;
}
public GridAdapter(Context context) {
listContainer = LayoutInflater.from(context);
}
public int getCount() {
if (bmp.size() < 6) {
return bmp.size() + 1;
} else {
return bmp.size();
}
}
public Object getItem(int arg0) {
return null;
}
public long getItemId(int arg0) {
return 0;
}
public void setSelectedPosition(int position) {
selectedPosition = position;
}
public int getSelectedPosition() {
return selectedPosition;
}
/**
* ListView Item设置
*/
public View getView(int position, View convertView, ViewGroup parent) {
final int sign = position;
// 自定义视图
ViewHolder holder = null;
if (convertView == null) {
holder = new ViewHolder();
// 获取list_item布局文件的视图
convertView = listContainer.inflate(
R.layout.gushi_item_published_grida, null);
// 获取控件对象
holder.image = (ImageView) convertView
.findViewById(R.id.item_grida_image);
holder.bt = (Button) convertView
.findViewById(R.id.item_grida_bt);
// 设置控件集到convertView
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
if (position == bmp.size()) {
holder.image.setImageBitmap(BitmapFactory.decodeResource(
getResources(), R.drawable.icon_addpic_unfocused));
holder.bt.setVisibility(View.GONE);
if (position == 6) {
holder.image.setVisibility(View.GONE);
}
} else {
holder.image.setImageBitmap(bmp.get(position));
holder.bt.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
PhotoActivity.bitmap.remove(sign);
bmp.get(sign).recycle();
bmp.remove(sign);
drr.remove(sign);
gridviewInit();
}
});
}
return convertView;
}
}
public class PopupWindows extends PopupWindow {
public PopupWindows(Context mContext, View parent) {
View view = View
.inflate(mContext, R.layout.gushi_select_popupwindows, null);
view.startAnimation(AnimationUtils.loadAnimation(mContext,
R.anim.fade_ins));
LinearLayout ll_popup = (LinearLayout) view
.findViewById(R.id.ll_popup);
// ll_popup.startAnimation(AnimationUtils.loadAnimation(mContext,
// R.anim.push_bottom_in_2));
setWidth(LayoutParams.FILL_PARENT);
setHeight(LayoutParams.FILL_PARENT);
setBackgroundDrawable(new BitmapDrawable());
setFocusable(true);
setOutsideTouchable(true);
setContentView(view);
showAtLocation(parent, Gravity.BOTTOM, 0, 0);
update();
Button bt1 = (Button) view
.findViewById(R.id.item_popupwindows_camera);
Button bt2 = (Button) view
.findViewById(R.id.item_popupwindows_Photo);
Button bt3 = (Button) view
.findViewById(R.id.item_popupwindows_cancel);
bt1.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
photo();
dismiss();
}
});
bt2.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
Intent i = new Intent(
// 相册
Intent.ACTION_PICK,
android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
startActivityForResult(i, RESULT_LOAD_IMAGE);
dismiss();
}
});
bt3.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
dismiss();
}
});
}
}
private static final int TAKE_PICTURE = 0;
private static final int RESULT_LOAD_IMAGE = 1;
private static final int CUT_PHOTO_REQUEST_CODE = 2;
private static final int SELECTIMG_SEARCH = 3;
private String path = "";
private Uri photoUri;
public void photo() {
try {
Intent openCameraIntent = new Intent(
MediaStore.ACTION_IMAGE_CAPTURE);
String sdcardState = Environment.getExternalStorageState();
String sdcardPathDir = android.os.Environment
.getExternalStorageDirectory().getPath() + Constant.CACHE_DIR+"/photo/";
//String sdcardPathDir = FileUtils.SDPATH1;
File file = null;
if (Environment.MEDIA_MOUNTED.equals(sdcardState)) {
// 有sd卡，是否有myImage文件夹
File fileDir = new File(sdcardPathDir);
if (!fileDir.exists()) {
fileDir.mkdirs();
}
// 是否有headImg文件
file = new File(sdcardPathDir + System.currentTimeMillis()
+ ".jpg");
}
if (file != null) {
path = file.getPath();
photoUri = Uri.fromFile(file);
openCameraIntent.putExtra(MediaStore.EXTRA_OUTPUT, photoUri);
startActivityForResult(openCameraIntent, TAKE_PICTURE);
}
} catch (Exception e) {
e.printStackTrace();
}
}
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
switch (requestCode) {
case TAKE_PICTURE:
if (drr.size() < 6 && resultCode == -1) {// 拍照
startPhotoZoom(photoUri);
}
break;
case RESULT_LOAD_IMAGE:
if (drr.size() < 6 && resultCode == RESULT_OK && null != data) {// 相册返回
Uri uri = data.getData();
if (uri != null) {
startPhotoZoom(uri);
}
}
break;
case CUT_PHOTO_REQUEST_CODE:
if (resultCode == RESULT_OK && null != data) {// 裁剪返回
Bitmap bitmap = Bimp.getLoacalBitmap(drr.get(drr.size() - 1));
PhotoActivity.bitmap.add(bitmap);
bitmap = Bimp.createFramedPhoto(480, 480, bitmap,
(int) (dp * 1.6f));
bmp.add(bitmap);
gridviewInit();
}
break;
case SELECTIMG_SEARCH:
if (resultCode == RESULT_OK && null != data) {
String text = "#" + data.getStringExtra("topic") + "#";
text = comment_content.getText().toString() + text;
comment_content.setText(text);
comment_content.getViewTreeObserver().addOnPreDrawListener(
new OnPreDrawListener() {
public boolean onPreDraw() {
comment_content.setEnabled(true);
// 设置光标为末尾
CharSequence cs = comment_content.getText();
if (cs instanceof Spannable) {
Spannable spanText = (Spannable) cs;
Selection.setSelection(spanText,
cs.length());
}
comment_content.getViewTreeObserver()
.removeOnPreDrawListener(this);
return false;
}
});
}
break;
}
}
private void startPhotoZoom(Uri uri) {
try {
/****判断目录是否已存在****/
String sdcardPathDir = android.os.Environment
.getExternalStorageDirectory().getPath() + Constant.CACHE_DIR+"/photo/";
//String sdcardPathDir = FileUtils.SDPATH1;
File file = null;
// 有sd卡，是否有myImage文件夹
File fileDir = new File(sdcardPathDir);
if (!fileDir.exists()) {
fileDir.mkdirs();
}
/****判断目录是否已存在end****/
// 获取系统时间 然后将裁剪后的图片保存至指定的文件夹
SimpleDateFormat sDateFormat = new SimpleDateFormat(
"yyyyMMddhhmmss");
String address = sDateFormat.format(new java.util.Date());
if (!FileUtils.isFileExist("")) {
FileUtils.createSDDir("");
}
drr.add(FileUtils.SDPATH + address + ".jpg");
//Uri imageUri = Uri.parse("file:///sdcard/formats/" + address
// + ".jpg");
//这里需要和FileUtils.SDPATH 一致，而且在之前要创建文件夹
Uri imageUri = Uri.parse("file:///sdcard/"+Constant.CACHE_DIR+"/photo/thumb" + address
+ ".jpg");
System.out.println("uri===="+ FileUtils.SDPATH + address + ".jpg");
final Intent intent = new Intent("com.android.camera.action.CROP");
// 照片URL地址
intent.setDataAndType(uri, "image/*");
intent.putExtra("crop", "true");
intent.putExtra("aspectX", 1);
intent.putExtra("aspectY", 1);
intent.putExtra("outputX", 480);
intent.putExtra("outputY", 480);
// 输出路径
intent.putExtra(MediaStore.EXTRA_OUTPUT, imageUri);
// 输出格式
intent.putExtra("outputFormat",
Bitmap.CompressFormat.JPEG.toString());
// 不启用人脸识别
intent.putExtra("noFaceDetection", false);
intent.putExtra("return-data", false);
startActivityForResult(intent, CUT_PHOTO_REQUEST_CODE);
} catch (IOException e) {
e.printStackTrace();
}
}
protected void onDestroy() {
FileUtils.deleteDir(FileUtils.SDPATH);
FileUtils.deleteDir(FileUtils.SDPATH1);
// 清理图片缓存
for (int i = 0; i < bmp.size(); i++) {
bmp.get(i).recycle();
}
for (int i = 0; i < PhotoActivity.bitmap.size(); i++) {
PhotoActivity.bitmap.get(i).recycle();
}
PhotoActivity.bitmap.clear();
bmp.clear();
drr.clear();
super.onDestroy();
}
public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
((InputMethodManager) getSystemService(INPUT_METHOD_SERVICE))
.hideSoftInputFromWindow(PublishActivity.this
.getCurrentFocus().getWindowToken(),
InputMethodManager.HIDE_NOT_ALWAYS);
if (arg2 == bmp.size()) {
String sdcardState = Environment.getExternalStorageState();
if (Environment.MEDIA_MOUNTED.equals(sdcardState)) {
new PopupWindows(PublishActivity.this, gridview);
} else {
Toast.makeText(getApplicationContext(), "sdcard已拔出，不能选择照片",
Toast.LENGTH_SHORT).show();
}
} else {
Intent intent = new Intent(PublishActivity.this,
PhotoActivity.class);
intent.putExtra("ID", arg2);
startActivity(intent);
}
}
/**********************************************editext输入限制方法******************************************/
private TextWatcher mTextWatcher = new TextWatcher() {
private int editStart;
private int editEnd;
public void afterTextChanged(Editable s) {
editStart = comment_content.getSelectionStart();
editEnd = comment_content.getSelectionEnd();
// 先去掉监听器，否则会出现栈溢出
comment_content.removeTextChangedListener(mTextWatcher);
// 注意这里只能每次都对整个EditText的内容求长度，不能对删除的单个字符求长度
// 因为是中英文混合，单个字符而言，calculateLength函数都会返回1
while (calculateLength(s.toString()) > MAX_COUNT) { // 当输入字符个数超过限制的大小时，进行截断操作
s.delete(editStart - 1, editEnd);
editStart--;
editEnd--;
}
comment_content.setText(s);
comment_content.setSelection(editStart);
// 恢复监听器
comment_content.addTextChangedListener(mTextWatcher);
setLeftCount();
}
public void beforeTextChanged(CharSequence s, int start, int count,
int after) {
}
public void onTextChanged(CharSequence s, int start, int before,
int count) {
}
};
/**
* 计算分享内容的字数，一个汉字=两个英文字母，一个中文标点=两个英文标点 注意：该函数的不适用于对单个字符进行计算，因为单个字符四舍五入后都是1
*
* @param c
* @return
*/
private long calculateLength(CharSequence c) {
double len = 0;
for (int i = 0; i < c.length(); i++) {
int tmp = (int) c.charAt(i);
if (tmp > 0 && tmp < 127) {
len += 0.5;
} else {
len++;
}
}
return Math.round(len);
}
/**
* 刷新剩余输入字数,最大值新浪微博是140个字，人人网是200个字
*/
private void setLeftCount() {
mTextView.setText(String.valueOf((MAX_COUNT - getInputCount())));
}
/**
* 获取用户输入的分享内容字数
*
* @return
*/
private long getInputCount() {
return calculateLength(comment_content.getText().toString());
}
}