自由手記

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123

private class MyWebViewClient extends WebViewClient {  
     @Override
     public boolean shouldOverrideUrlLoading(WebView view, String url) {
      Log.e("url===", url);
      view.loadUrl(url);
      progressBar.setVisibility(View.VISIBLE);
      return true;
     }
     
     @Override
        public void onPageFinished(WebView view, final String url) {
      progressBar.setVisibility(View.INVISIBLE);
        }
     
     @Override
     public void onFormResubmission (WebView view, Message dontResend,Message  resend){

         resend.sendToTarget();
     }
    
 }
 
 
 
 
 
 
 
 
 
 
 
  
int iqq=0;
 @Override  
  public boolean onKeyDown(int keyCode, KeyEvent event) {  
      if (webView.canGoBack() && event.getKeyCode() == KeyEvent.KEYCODE_BACK)    
      {  
       WebBackForwardList mWebBackForwardList = webView
                     .copyBackForwardList();
       
       if (mWebBackForwardList.getCurrentIndex() == 1) {
        if(webView.getUrl().toString().equals("首頁的HTTP")){
         ConfirmExit();
          return true;
       }
        
      byte[] post = EncodingUtils.getBytes("id=" +  +"&os=", ""); 
      webView.postUrl("首頁的HTTP", post);
      webView.clearHistory();
      Log.e("QQ","QQ"+iqq+webView.getUrl().toString());
      if(iqq==1){
        ConfirmExit(); 
      }else{
       
      }
      iqq=1;
      
      
       }else if(mWebBackForwardList.getCurrentIndex()==0){
        ConfirmExit(); 
       }else
       {
        iqq=0;
        webView.goBack(); 
        Log.e("EE","E"+iqq);
       }
       
           return true;
  
      }else{
       ConfirmExit(); 
      }  
      
      return super.onKeyDown(keyCode, event);  
  } 
 
 
 
 
 

 
 
 
 
 
 
 
 
 
 
  public void ConfirmExit(){//退出確認
         AlertDialog.Builder ad=new AlertDialog.Builder(PDOrderListWebView.this);
         ad.setTitle("離開");
         ad.setMessage("確定要退出?");
         ad.setPositiveButton("是", new DialogInterface.OnClickListener() {//退出按鈕
             public void onClick(DialogInterface dialog, int i) {
                 // TODO Auto-generated method stub
              finish();//關閉activity
   
             }
         });
         ad.setNegativeButton("否",new DialogInterface.OnClickListener() {
             public void onClick(DialogInterface dialog, int i) {
                 //不退出不用執行任何操作
             }
         });
         ad.show();//示對話框
     }
 
 
 
 
 
 
 
 
 
 
 
 
}