Android的捕获未处理的异常，并显示对话框 [英] Android catch unhandled exception and show the dialog

问题描述

我想，没有任何第三方的库来处理我的应用程序未处理的异常。

I want to handle unhandled exception in my app without any third-party libraries.

所以，我写了一个code。

So i write a code.

活动：

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);
    Thread.setDefaultUncaughtExceptionHandler(new ReportHelper(this));
    throw new NullPointerException();
}

我崩溃的处理程序：

import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.os.Handler;
import android.os.Looper;
import android.os.Message;
import android.os.MessageQueue;
import android.widget.Toast;

/**
 * Created by S-Shustikov on 08.06.14.
 */
public class ReportHelper implements Thread.UncaughtExceptionHandler {
    private final AlertDialog dialog;
    private       Context     context;

    public ReportHelper(Context context) {
        this.context = context;
        AlertDialog.Builder builder = new AlertDialog.Builder(context);
        builder.setMessage("Application was stopped...")
                .setPositiveButton("Report to developer about this problem.", new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int id) {

                    }
                })
                .setNegativeButton("Exit", new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int id) {
                        // Not worked!
                        dialog.dismiss();
                        System.exit(0);
                        android.os.Process.killProcess(android.os.Process.myPid());

                    }
                });

        dialog = builder.create();
    }

    @Override
    public void uncaughtException(Thread thread, Throwable ex) {
        showToastInThread("OOPS!");
    }

    public void showToastInThread(final String str){
        new Thread() {
            @Override
            public void run() {
                Looper.prepare();
                Toast.makeText(context, "OOPS! Application crashed", Toast.LENGTH_SHORT).show();
                if(!dialog.isShowing())
                    dialog.show();
                Looper.loop();

            }
        }.start();
    }
}

当我启动应用程序，因为你看到的我扔NullPointerException异常。 吐司在我的处理逻辑中显示，并且对话框中显示了。但！对话框点击不处理正确。我的意思是在的onClick 方法没有奏效的逻辑。什么问题，我怎么能解决呢？

When i start app as you see i throwed NullPointerException. Toast in my handling logic was showed, and dialog was showed too. BUT! Dialog clicks was not handling correct. I mean logic in onClick method was not worked. What the problem and how i can fix that?

推荐答案

在我的情况，我在线程的run函数这样的移动 AlertDialog.Builder

In my case, I moved AlertDialog.Builder in thread run function like this:

public void showToastInThread(final String str){
    new Thread() {
        @Override
        public void run() {
            Looper.prepare();

            AlertDialog.Builder builder = new AlertDialog.Builder(context);
            builder.setMessage("Application was stopped...")
            .setPositiveButton("Report to developer about this problem.", new DialogInterface.OnClickListener() {
                public void onClick(DialogInterface dialog, int id) {

                }
            })
            .setNegativeButton("Exit", new DialogInterface.OnClickListener() {
                public void onClick(DialogInterface dialog, int id) {
                    // Not worked!
                    dialog.dismiss();
                    System.exit(0);
                    android.os.Process.killProcess(android.os.Process.myPid());

                }
            });

            dialog = builder.create();


            Toast.makeText(context, "OOPS! Application crashed", Toast.LENGTH_SHORT).show();
            if(!dialog.isShowing())
                dialog.show();
            Looper.loop();

        }
    }.start();
}

和所有的东西很好地工作。

希望这有助于你。

and all thing work perfectly.

Hope this help you.

这篇关于Android的捕获未处理的异常，并显示对话框的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！