MainActivity如下:

package cn.testcrash;

import android.app.Activity;

import android.os.Bundle;

/**

 * Demo描述:

 * 借助于Application自定义Crash

 *

 * 参考资料:

 * 1 http://blog.csdn.net/xiaanming/article/details/9344703

 * 2 http://blog.csdn.net/itachi85/article/details/9102021

 */

public class MainActivity extends Activity {

	@Override

	protected void onCreate(Bundle savedInstanceState) {

		super.onCreate(savedInstanceState);

		setContentView(R.layout.main);

		init();

	}

	//Crash

	private void init(){

		System.out.println((9727/0)+"");

	}

}

CrashApplication如下:

package cn.testcrash;

import android.app.Application;

public class CrashApplication extends Application {

	@Override

	public void onCreate() {

		super.onCreate();

		CrashHandler crashHandler=CrashHandler.getInstance();

		//指定Crash时的处理程序

		crashHandler.setCrashHandler(getApplicationContext());

	}

}

CrashHandler如下:

package cn.testcrash;

import java.lang.Thread.UncaughtExceptionHandler;

import android.content.Context;

import android.os.Looper;

import android.widget.Toast;

public class CrashHandler implements UncaughtExceptionHandler {

	private Context mContext;

	private static CrashHandler mCrashHandler=new CrashHandler();

	public static CrashHandler getInstance(){

		return mCrashHandler;

	}

	/**

	 * 设置当线程由于未捕获到异常而突然终止的默认处理程序。

	 */

	public void setCrashHandler(Context context){

		mContext=context;

		Thread.setDefaultUncaughtExceptionHandler(this);

	}

	/**

	 * 当发生Crash时调用该方法

	 */

	@Override

	public void uncaughtException(Thread thread, Throwable throwable) {

		 //保存错误日志到SD卡

         Utils.saveInfoToSDCard(mContext, throwable);

         //提示Crash信息

         showCrashTipToast();

         try {

			Thread.sleep(3000);

		} catch (Exception e) {

		}

         //退出应用

         System.exit(0);

	}

	private void showCrashTipToast() {

		new Thread(new Runnable() {

			@Override

			public void run() {

				Looper.prepare();

				Toast.makeText(mContext, "I am very sorry", Toast.LENGTH_LONG).show();

				Looper.loop();

			}

		}).start();

	}

}

Utils如下:

package cn.testcrash;

import java.text.SimpleDateFormat;

import java.util.Date;

import java.util.HashMap;

import java.util.Map;

import java.util.TimeZone;

import android.content.Context;

import android.content.pm.PackageInfo;

import android.content.pm.PackageManager;

import android.content.pm.PackageManager.NameNotFoundException;

import android.os.Build;

public class Utils {

	public static void saveInfoToSDCard(Context context, Throwable throwable) {

		HashMap<String, String> hashMap=getBaseInfo(context);

		StringBuilder stringBuilder=new StringBuilder();

		for(Map.Entry<String, String> entry:hashMap.entrySet()){

			String key=entry.getKey();

			String value=entry.getValue();

			stringBuilder.append(key).append("=").append(value).append("\n");

		}

        System.out.println("stringBuilder.toString()如下:"+"\n"+stringBuilder.toString());

        /**

         * 其余逻辑省略

         */

	}

	/**

	 * 获取设备及该App的基本信息

	 */

	public static HashMap<String, String> getBaseInfo(Context context){

		HashMap<String, String> hashMap = new HashMap<String, String>();

		PackageManager packageManager = context.getPackageManager();

		PackageInfo packageInfo = null;

		try {

			packageInfo = packageManager.getPackageInfo(context.getPackageName(), PackageManager.GET_ACTIVITIES);

		} catch (NameNotFoundException e) {

			e.printStackTrace();

		}

		hashMap.put("versionName", packageInfo.versionName);

		hashMap.put("versionCode", packageInfo.versionCode+"");

		hashMap.put("MODEL",  Build.MODEL+"");

		hashMap.put("SDK_INT",Build.VERSION.SDK_INT+"");

		hashMap.put("RELEASE",Build.VERSION.RELEASE+"");

		hashMap.put("PRODUCT",Build.PRODUCT+"");

		return hashMap;

	}

	private String getCurrentTime(){

		String currentTime="";

		long currentTimeMillis=System.currentTimeMillis();

		System.setProperty("user.timezone", "Asia/Shanghai");

		TimeZone timeZone = TimeZone.getTimeZone("Asia/Shanghai");

		TimeZone.setDefault(timeZone);

		SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss");

		Date currentDate=new Date(currentTimeMillis);

		currentTime = simpleDateFormat.format(currentDate);

        System.out.println("currentTime="+currentTime);

        return currentTime;

	}

}

main.xml如下:

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

     >

    <TextView

        android:id="@+id/textView"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="自定义Crash"

        android:layout_centerInParent="true"

        android:textSize="28sp"

    />

</RelativeLayout>

AndroidManifest.xml如下:

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

    package="cn.testcrash"

    android:versionCode="1"

    android:versionName="1.0" >

    <uses-sdk

        android:minSdkVersion="8"

        android:targetSdkVersion="8" />

    <application

        android:name="cn.testcrash.CrashApplication"

        android:allowBackup="true"

        android:icon="@drawable/ic_launcher"

        android:label="@string/app_name"

        android:theme="@style/AppTheme" >

        <activity

            android:name="cn.testcrash.MainActivity"

            android:label="@string/app_name" >

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />

            </intent-filter>

        </activity>

    </application>

</manifest>