package common.library.exception;

import android.content.Context;

import android.os.Build;

import android.os.Looper;

import common.library.config.AppConfig;

import common.library.manager.AppManager;

import common.library.utils.LogUtil;

/**

 * @Author Liudeli

 * @Describe：控制整个App的异常收集与处理，使用前记得要在Application中初始化initCrasHandler

 */

public class CrasHandler implements Thread.UncaughtExceptionHandler {

    private static final String TAG = CrasHandler.class.getSimpleName();

    private static final String TAG_THIS_APP_NAME = AppConfig.APP_NAME;

    private static final String ERROR_INFO = "后台检测到程序异常，程序在五秒内自动关闭，请告知开发人员刘德利来解决此问题";

    private Context mContext;

    private Thread.UncaughtExceptionHandler uncaughtExceptionHandler;

    private CrasHandler() {}

    private static CrasHandler crasHandler = null;

    public static CrasHandler getInstance() {

        if (null == crasHandler) {

            // synchronized (CrasHandler.class) {

                //if (null == crasHandler) {

                    crasHandler = new CrasHandler();

                // }

            // }

        }

        return crasHandler;

    }

    /**

     * 初始化设置（把系统的修改成自身的来控制）

     */

    public void initCrasHandler(Context mContext) {

        this.mContext = mContext;

        Thread.setDefaultUncaughtExceptionHandler(this);

        uncaughtExceptionHandler = Thread.getDefaultUncaughtExceptionHandler();

    }

    @Override

    public void uncaughtException(Thread t, Throwable e) {

        if (isHandler(e)) {

            handlerException(t, e);

        } else {

            uncaughtExceptionHandler.uncaughtException(t, e);

        }

    }

    /**

     * 判断是否为空，才能知道是否需要自己处理

     * @param e

     * @return

     */

    private boolean isHandler(Throwable e) {

        if (null == e) {

            return false;

        } else {

            return true;

        }

    }

    /**

     * 处理我需要处理的异常信息，并告知用户，并退出当前应用程序

     * @param t

     * @param ex

     */

    private void handlerException(Thread t, Throwable ex) {

        new Thread(){

            @Override

            public void run() {

                super.run();

                // 默认下,Android是没有开启Looper消息处理的，主线程除外

                Looper.prepare();

                LogUtil.toastL(mContext, ERROR_INFO);

                Looper.loop();

            }

        }.start();

        // 收集异常信息

        collectException(ex);

        try {

            t.sleep(2000);

        } catch (Exception e) {

            e.printStackTrace();

        }

        // 关闭APP

        AppManager.getInstance().deleteAllActivity();

        // 结束当前应用程序进程

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

        // 结束虚拟机，是否所有内存

        System.exit(0);

    }

    /**

     * 收集异常信息

     * @param e

     */

    private void collectException(Throwable e) {

        final String deviceInfo = Build.VERSION.SDK_INT + ", " + Build.MODEL + ", " + Build.PRODUCT;

        final String errorInfo = e.getMessage();

        new Thread(){

            @Override

            public void run() {

                super.run();

                LogUtil.e(TAG_THIS_APP_NAME, "deviceInfo:" + deviceInfo + ", errorInfo:" + errorInfo);

            }

        }.start();

    }

}

CrasHandler.getInstance().initCrasHandler(getApplicationContext());