public class ExceptionActivity extends Activity {

    String str;

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);

        str.equals("exception");

    }

}

public class MyCrashHandler implements UncaughtExceptionHandler {

    // 保证MyCrashHandler只有一个实例

    // 2.提供一个静态的程序变量

    private static MyCrashHandler myCrashHandler;

    private Context context;

    // 1.私有化构造方法

    private MyCrashHandler() {

    }

    // 3.暴露出来一个静态的方法 获取myCrashHandler

    public static synchronized MyCrashHandler getInstance() {

        if (myCrashHandler == null) {

            myCrashHandler = new MyCrashHandler();

        }

        return myCrashHandler;

    }

    public void init(Context context) {

        this.context = context;

    }

    // 程序发生异常的时候调用的方法

    // try catch

    @Override

    public void uncaughtException(Thread thread, Throwable ex) {

        System.out.println("出现错误啦 哈哈");

        StringBuilder sb = new StringBuilder();

        // 1.获取当前应用程序的版本号.

        PackageManager pm = context.getPackageManager();

        try {

            PackageInfo packinfo = pm.getPackageInfo(context.getPackageName(),

                    0);

            sb.append("程序的版本号为" + packinfo.versionName);

            sb.append("\n");

            // 2.获取手机的硬件信息.

            Field[] fields = Build.class.getDeclaredFields();

            for (int i = 0; i < fields.length; i++) {

                // 暴力反射,获取私有的字段信息

                fields[i].setAccessible(true);

                String name = fields[i].getName();

                sb.append(name + " = ");

                String value = fields[i].get(null).toString();

                sb.append(value);

                sb.append("\n");

            }

            // 3.获取程序错误的堆栈信息 .

            StringWriter writer = new StringWriter();

            PrintWriter printWriter = new PrintWriter(writer);

            ex.printStackTrace(printWriter);

            String result =    writer.toString();

            sb.append(result);

            System.out.println(sb.toString());

            // 4.把错误信息 提交到服务器

        } catch (Exception e) {

            e.printStackTrace();

        }

        // 完成自杀的操作

        android.os.Process.killProcess(android.os.Process.myPid());

    }

}

public class MyApp extends Application {

    //在整个应用第一次被创建出来的时候 执行

    // 在应用程序对应的进程 第一次创建出来的时候执行

    @Override

    public void onCreate() {

        super.onCreate();

        //把自定义的异常处理类设置 给主线程

        MyCrashHandler myCrashHandler =    MyCrashHandler.getInstance();

        myCrashHandler.init(getApplicationContext());

        Thread.currentThread().setUncaughtExceptionHandler(myCrashHandler);

    }

}

<application

        android:icon="@drawable/ic_launcher"

        android:label="@string/app_name" android:name="MyApp">

        <activity

            android:label="@string/app_name"

            android:name=".ExceptionActivity" >

            <intent-filter >

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

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

            </intent-filter>

        </activity>

</application>