测试代码高亮 

 1 package com.yinghaidong.mobilephone.backup;
 2 
 3 import android.app.Activity;
 4 import android.content.Intent;
 5 import android.os.Bundle;
 6 import android.view.KeyEvent;
 7 import android.widget.TextView;
 8 
 9 public class About extends Activity{
10     
11     private BackUpApplication backup;
12     @Override
13     public void onCreate(Bundle savedInstanceState){
14         super.onCreate(savedInstanceState);
15         setContentView(R.layout.about);
16         
17         TextView version = (TextView)findViewById(R.id.version);
18         backup = (BackUpApplication)getApplication();
19         String text = backup.getVersion();
20         if(!text.equals("")){
21             version.setText(text);
22         }
23     }
24     
25     @Override
26     public boolean onKeyDown(int keyCode, KeyEvent event) {
27 
28         if (keyCode == KeyEvent.KEYCODE_BACK) {
29             
30             startActivity(new Intent(this, MainActivity.class));
31             this.finish();
32         }
33         return super.onKeyDown(keyCode, event);
34     }
35 }
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posted @ 2014-04-04 22:04  ijustyce  阅读(81)  评论(0)    收藏  举报