自定义进度框

【实例简介】自定义进度框
【实例截图】

【核心代码】

package com.example.customprogressdialog;

import android.app.Dialog;
import android.content.Context;
import android.graphics.drawable.AnimationDrawable;
import android.view.Gravity;
import android.widget.ImageView;
import android.widget.TextView;
/**
 *
 * <p>Title: 自定义进度对话框        </p>
 * <p>Description:
 * １．單例模式，獲取唯一的實例
 * ２．繼承Dialog
 * ３．可以設置標題、設置顯示信息
 * </p>
 * <p>@author: jieyang                </p>
 * <p>Copyright: Copyright (c) 2012    </p>
 * <p>Company: FFCS Co., Ltd.          </p>
 * <p>Create Time: 2013-8-23             </p>
 * <p>Update Time:                     </p>
 * <p>Updater:                         </p>
 * <p>Update Comments:                 </p>
 */
public class CustomProgressDialog extends Dialog {

 private Context context;
 private static CustomProgressDialog cpd;
 
 public CustomProgressDialog(Context context) {
  super(context);
  this.context = context;
 }
 
 public CustomProgressDialog(Context context, int theme) {
  super(context,theme);
 }
 
 public static CustomProgressDialog getInstance(Context context){
  if(cpd == null){
   cpd = new CustomProgressDialog(context,R.style.CustomProgressDialog);
   //設置View
   cpd.setContentView(R.layout.act_custom_progressdialog); 
   //設置居中顯示
   cpd.getWindow().getAttributes().gravity = Gravity.CENTER; 
  }
  return cpd;
 }
 
 @Override
 public void onWindowFocusChanged(boolean hasFocus) {
  if(cpd == null){
   return;
  }
  ImageView ivLoad = (ImageView) cpd.findViewById(R.id.ivLoad);
  AnimationDrawable ad = (AnimationDrawable) ivLoad.getBackground();
  ad.start();
 }
 
 /**
  * 設置標題
  * @param title 標題
  * @return
  */
 public CustomProgressDialog setTitle(String title) {
  return cpd;
 }
 
 /**
  * 設置信息
  * @param msg 信息
  * @return
  */
 public CustomProgressDialog setMessage(String msg) {
  TextView tvLoadMsg = (TextView) cpd.findViewById(R.id.tvLoadMsg);
  if(tvLoadMsg != null){
   tvLoadMsg.setText(msg);
  }
  return cpd;
 } 
}