Android实现捕获未知异常并提交给服务器的方法实现捕获未知异常并提交给服务器的方法
本文实例讲述了Android实现捕获未知异常并提交给服务器的方法。分享给大家供大家参考,具体如下:
在Android应用中,即便应用已经投放市场,但有时也会遇到一些未知的异常,此时如果能够获得用户的反馈信息,那么对于
我们应用的开发是一个很好的帮助
为了实现这样的效果,我们需要做如下工作
写一个类实现UncaughtExceptionHandler接口,重写uncaughtException方法
功能描述:当应用出现了未知异常,应用强制退出,应用再次启动时,提示用户是否将错误信息反馈给开发者
public class MyUncaughtExceptionHandler implements UncaughtExceptionHandler {
private static final String TAG = "MyUncaughtExceptionHandler";
// 将错误信息保存到sharepreference中
private static SharedPreferences bugPreferences;
private static SharedPreferences.Editor bugEditor;
private static Context mContext;
private static PackageInfo packageInfo;
private UncaughtExceptionHandler defaultUncaughtExceptionHandler;
private static HandleProgressDialog progressDialog;
// 保存错误原因的字段
private static String bugExistStr = "";
private static Handler handler = new Handler() {
@Override
public void handleMessage(Message msg) {
progressDialog.dismiss();
}
};
public MyUncaughtExceptionHandler(Context context) {
try {
mContext = context;
packageInfo = context.getPackageManager().getPackageInfo(
context.getPackageName(), 0);
bugPreferences = context.getSharedPreferences("bug", 0);
bugEditor = bugPreferences.edit();
defaultUncaughtExceptionHandler = Thread
.getDefaultUncaughtExceptionHandler();
} catch (NameNotFoundException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
}
// 当异常发生时,会调用这个方法
public void uncaughtException(Thread th, Throwable t) {
try {
// 保存bug
saveBugText(t);
defaultUncaughtExceptionHandler.uncaughtException(th, t);
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
}
private void saveBugText(Throwable ex) throws FileNotFoundException {
Writer writer = new StringWriter();
PrintWriter printWriter = new PrintWriter(writer);
ex.printStackTrace(printWriter);
Throwable cause = ex.getCause();
while (cause != null) {
cause.printStackTrace(printWriter);
cause = cause.getCause();
}
printWriter.close();
bugEditor.putString("bugText", writer.toString());
bugEditor.commit();
}
// 下次开启应用的时候,如果上次产生了未知异常则显示对话框应用与用户反馈
public static void showBugReportDialog(final Context context) {
bugExistStr = context.getSharedPreferences("bug", 0).getString(
"bugText", "");
if (bugExistStr != null && !bugExistStr.equals("")) {
AlertDialog.Builder builder = new AlertDialog.Builder(context);
builder.setTitle(R.string.bug_report);
builder.setMessage(R.string.whether_report_to_developer);
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