如何处理意外的错误和未捕获的异常 [英] how to handle unexpected error and uncaught exceptions

问题描述

我用尝试捕获来处理一些预期的错误，
但有时，会有意想不到的错误。

I use "try catch" to handle some expected error， but sometime, there will be unexpected error.

我的意思是，如果我不使用试捕，如何处理崩溃的错误，并发送错误信息到服务器？

i mean if i don't use "try catch" , how to handle crash error ,and send error message to server?

我试试的UncaughtExceptionHandler
但它会阻止应用程序。

I have try "UncaughtExceptionHandler" , but it will block app.

感谢提前

推荐答案

一个尝试捕捉也将能够赶上意外的错误。你只要把他们在适当的顺序：最具体的，再比较一般。一个例子（这是一般的Java，没有特定的Andr​​oid code，但你会得到点）：

A try catch will also be able to catch unexpected errors. You just have to put them in the appropriate order: the most specific first, then more general. An example (it's general Java, no specific Android code, but you'll get the point):

    try {
        int input = sc.nextInt();  //random number
        int amount = 10 / input;   // not every result can be stored in an int
    } catch (InputMismatchException ime) {
        // catches error of non-numeric value
        System.out.println("input is not a valid number");
    } catch (ArithmeticException ae) {
        //catches error of division by 0
        System.out.println("Division by 0!");
    }
    catch(Exception ex)
    {
        // catches any other error
        System.out.println("other error");
    }

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