手表开发中的CrashHandler

package com.netease.mobimail;import android.app.ActivityManager;import android.app.ActivityManager.RunningTaskInfo;import android.app.Application;import android.content.ComponentName;import android.content.Context;import com.netease.mobimail.activity.BaseActivity;import java.util.Iterator;import java.util.List;import java.util.Map;import java.util.Map.Entry;import java.util.Set;import java.util.concurrent.ConcurrentHashMap;public class WearMailApplication        extends Application{    public static BaseActivity msCurrentActivity;    private static Map<String, BaseActivity> sActivityMap = new ConcurrentHashMap();    public static void addActivity(BaseActivity paramBaseActivity)    {        sActivityMap.put(paramBaseActivity.getClass().getName(), paramBaseActivity);    }    public static void clearAll()    {        try        {            Iterator localIterator = sActivityMap.entrySet().iterator();            while (localIterator.hasNext())            {                BaseActivity localBaseActivity = (BaseActivity)((Map.Entry)localIterator.next()).getValue();                localIterator.remove();                if ((localBaseActivity != null) && (!localBaseActivity.isFinishing())) {                    localBaseActivity.finish();                }            }        }        finally {}    }    public static BaseActivity getActivityByClass(Class<?> paramClass)    {        return (BaseActivity)sActivityMap.get(paramClass.getName());    }    public static BaseActivity getCurrentActivity()    {        return msCurrentActivity;    }    public static boolean isAppInForeground(Context paramContext)    {        try        {            List localList = ((ActivityManager)paramContext.getSystemService("activity")).getRunningTasks(1);            if (localList.isEmpty()) {                return false;            }            boolean bool2 = ((ActivityManager.RunningTaskInfo)localList.get(0)).topActivity.getPackageName().equalsIgnoreCase(paramContext.getPackageName());            return bool2;        }        catch (Exception localException)        {            if (getCurrentActivity() == null) {                break label73;            }        }        if (!getCurrentActivity().isFinishing()) {}        label73:        for (boolean bool1 = true;; bool1 = false) {            return bool1;        }    }    public static void setCurrentActivity(BaseActivity paramBaseActivity)    {        msCurrentActivity = paramBaseActivity;    }    public void onCreate()    {        super.onCreate();        CrashHandler.getInstance().init();    }}

 

android捕获全局异常，CrashHandler

标签： androidfileapplicationclasscrashnull

2012-07-20 16:31 8323人阅读 评论(5) 收藏 举报

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android（22） 

版权声明：本文为博主原创文章，未经博主允许不得转载。

[java] view plain copy

1. package com.numob.david.util;  
2.   
3. import java.io.File;  
4. import java.io.FileWriter;  
5. import java.io.IOException;  
6. import java.lang.Thread.UncaughtExceptionHandler;  
7. import java.util.Date;  
8.   
9. import android.os.Environment;  
10. import android.util.Log;  
11.   
12. /** 
13.  * 全局处理异常. 
14.  * 
15.  */  
16. public class CrashHandler implements UncaughtExceptionHandler {  
17.     /** CrashHandler实例 */  
18.   
19.     private static CrashHandler instance;  
20.   
21.     /** 获取CrashHandler实例 ,单例模式*/  
22.   
23.     public static CrashHandler getInstance() {  
24.         if (instance == null) {  
25.             instance = new CrashHandler();  
26.         }  
27.         return instance;  
28.     }  
29.   
30.     @Override  
31.     public void uncaughtException(Thread arg0, Throwable arg1) {  
32. //        ScreenManager.getScreenManager().popActivity(Pay.activity);  
33. //         arg0.stop();  
34. //         arg0.destroy();  
35.           
36.         String logdir ;  
37.         if(Environment.getExternalStorageDirectory()!=null){  
38.             logdir = Environment.getExternalStorageDirectory().getAbsolutePath()  
39.                     + File.separator + "snda"+File.separator+"log" ;  
40.               
41.               
42.             File file = new File(logdir);  
43.             boolean mkSuccess;  
44.             if (!file.isDirectory()) {  
45.                 mkSuccess = file.mkdirs();  
46.                 if (!mkSuccess) {  
47.                     mkSuccess = file.mkdirs();  
48.                 }  
49.             }  
50.             try {  
51.                 FileWriter fw = new FileWriter(logdir+File.separator+"error.log",true);  
52.                 fw.write(new Date()+"\n");  
53.                 StackTraceElement[] stackTrace = arg1.getStackTrace();  
54.                 fw.write(arg1.getMessage() + "\n");  
55.                 for (int i = 0; i < stackTrace.length; i++) {  
56.                     fw.write("file:" + stackTrace[i].getFileName() + " class:" + stackTrace[i].getClassName()  
57.                             + " method:" + stackTrace[i].getMethodName() + " line:" + stackTrace[i].getLineNumber()  
58.                             + "\n");  
59.                 }  
60.                 fw.write("\n");  
61.                 fw.close();  
62.             } catch (IOException e) {  
63.                 Log.e("crash handler", "load file failed...", e.getCause());  
64.             }  
65.         }  
66.         arg1.printStackTrace();  
67.         android.os.Process.killProcess(android.os.Process.myPid());   
68.     }  
69.   
70. }  

[java] view plain copy

1.   

Activity或是Application中加入这样的代码 ：

[java] view plain copy

1. CrashHandler crashHandler = CrashHandler.getInstance();  
2. crashHandler.init(getApplicationContext());  

今天只做简单介绍了。