公共Dialog

package com.wly.home.widget;

import com.wanbu.dascom.R;

import android.app.Dialog;
import android.content.Context;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.View;
import android.widget.EditText;
import android.widget.TextView;
/**
 * 统一样式的Dialog
 * @author wangly
 *
 */
public class CommonDialog extends Dialog implements android.view.View.OnClickListener {

	private TextView tv_title;
	private TextView tv_info;
	private EditText et_inputInfo;
	private TextView tv_number;
	private TextView tv_cancle;
	private TextView tv_ok;




	private CallBackListener listener;


	public void setListener(CallBackListener listener) {
		this.listener = listener;
	}

	public CommonDialog(Context context) {
		super(context,R.style.commonDialog_style);
		intView();
	}

	private void intView() {
		setContentView(R.layout.common_layout_dialog);
		tv_title = (TextView) findViewById(R.id.tv_title);
		tv_info = (TextView) findViewById(R.id.tv_info);
		et_inputInfo = (EditText) findViewById(R.id.et_inputInfo);
		et_inputInfo.addTextChangedListener(watcher);
		tv_number = (TextView) findViewById(R.id.tv_number);
		tv_cancle = (TextView) findViewById(R.id.tv_cancle);
		tv_ok = (TextView) findViewById(R.id.tv_ok);
		tv_cancle.setOnClickListener(this);
		tv_ok.setOnClickListener(this);
	}
	/**
	 * 设置标题
	 * @param text
	 * @param flag 显示/隐藏
	 */
	public void setTiltle(String text,int flag){
		tv_title.setText(text);
		tv_title.setVisibility(flag);
	}
	/**
	 * 设置Dialog描述信息
	 * @param text
	 * @param flag 显示/隐藏
	 */
	public void setInfo(String text,int flag){
		tv_info.setText(text);
		tv_info.setVisibility(flag);
	}

	/**
	 * 设置 "取消" 按钮文字
	 * @param text
	 */
	public void setCancleText(String text){
		tv_cancle.setText(text);
	}
	/**
	 * 设置 "确定" 按钮文字
	 * @param text
	 */
	public void setConfirmText(String text){
		tv_ok.setText(text);
	}
	@Override
	public void onClick(View v) {
		switch (v.getId()) {
		case R.id.tv_cancle:
			if (listener!=null) {
				listener.cancleListener();
			}
			break;
		case R.id.tv_ok:
			if (listener!=null) {
				listener.confirmListener(et_inputInfo.getText().toString().trim());
			}
			break;
		default:
			break;
		}
	}
	/**
	 * EditText 字符控制
	 */
	int num = 100;//限制的最大字数 
	TextWatcher watcher =new  TextWatcher(){
		private CharSequence temp;
		private int selectionStart;
		private int selectionEnd; 
		@Override
		public void beforeTextChanged(CharSequence s, int start, int count,
				int after) {

		}

		@Override
		public void onTextChanged(CharSequence s, int start, int before,
				int count) {
			temp = s; 
		}

		@Override
		public void afterTextChanged(Editable s) {
			int number = num - s.length();
			tv_number.setText(s.length()+"/100");
			selectionStart = et_inputInfo.getSelectionStart();
			selectionEnd = et_inputInfo.getSelectionEnd();
			if (temp.length() > num) {
				s.delete(selectionStart - 1, selectionEnd);
				int tempSelection = selectionEnd;
				et_inputInfo.setText(s);
				et_inputInfo.setSelection(tempSelection);//设置光标在最后
			}
		}

	};

	public interface CallBackListener{
		/**
		 * 取消
		 */
		void cancleListener();
		/**
		 * 确定
		 *  获取EditText 输入的内容
		 */
		void confirmListener(String text);
	}
}

<style name="commonDialog_style" parent="@android:Theme.Dialog">
        <item name="android:windowNoTitle">true</item>
        <item name="android:windowIsFloating">true</item>
        <item name="android:windowContentOverlay">@null</item>
        <item name="android:windowBackground">@drawable/update_dialog_shape</item>
        
    </style>