CustomExceptionHandler.java

package com.happy.life;

import java.io.IOException;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.io.Writer;
import java.lang.Thread.UncaughtExceptionHandler;
import java.util.ArrayList;
import java.util.List;

import org.apache.http.NameValuePair;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.protocol.HTTP;

import android.content.Context;

public class CustomExceptionHandler implements UncaughtExceptionHandler {
	private UncaughtExceptionHandler defaultUEH;

	private static final String SERVER_URL = "http://chaowebs.appspot.com/crash/report";
	
	private String mPackage;
	private String mVersion;

	public CustomExceptionHandler(Context context) {
		this.mPackage = context.getPackageName();
		this.mVersion = VersionUtils.getVersionNumber(context);
		this.defaultUEH = Thread.getDefaultUncaughtExceptionHandler();
	}

	public void uncaughtException(Thread t, Throwable e) {
		final Writer result = new StringWriter();
		final PrintWriter printWriter = new PrintWriter(result);
		e.printStackTrace(printWriter);
		String stacktrace = result.toString();
		printWriter.close();

		sendToServer(stacktrace);

		defaultUEH.uncaughtException(t, e);
	}

	private void sendToServer(String stacktrace) {
		DefaultHttpClient httpClient = new DefaultHttpClient();
		HttpPost httpPost = new HttpPost(SERVER_URL);
		List<NameValuePair> nvps = new ArrayList<NameValuePair>();
		nvps.add(new BasicNameValuePair("package", mPackage));
		nvps.add(new BasicNameValuePair("version", mVersion));
		nvps.add(new BasicNameValuePair("stacktrace", stacktrace));
		try {
			httpPost.setEntity(new UrlEncodedFormEntity(nvps, HTTP.UTF_8));
			httpClient.execute(httpPost);
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
}