ToastUtil工具类，封装好的好用的工具类。

使用方法： 
    ToastUtil.showLong("请选择选择上传图片");

/**
 * 项目名称：铛铛跨境车
 * 类描述：toast通用类
 * 创建人：renhaijun
 * 创建时间：2017/7/5 9:08
 * 修改人：
 * 修改时间：
 * 修改备注：
 */
public class ToastUtil {
    private static String TAG = ToastUtil.class.getSimpleName();
    public static Toast mToast;
    private static boolean isShow = true;//默认显示

    private ToastUtil() {
        /* cannot be instantiated */
        throw new UnsupportedOperationException("cannot be instantiated");
    }

//    public static boolean isShow = true;

    /**
     * 短时间显示Toast
     * renhaijun add
     * @param
     * @param message
     */
    public static void showShort( final CharSequence message) {
        if (  message == null || StringUtils.isBlank(message.toString())){
            LogUtil.e(TAG,"弹框toash异常 message == null--------------------"  );
            return;
        }
        new Handler(Looper.getMainLooper()).post(new Runnable() {
            @Override
            public void run() {
                if (MyApplication.getContext() == null){
                    return;
                }
                Toast.makeText(MyApplication.getContext(), message, Toast.LENGTH_SHORT).show();
            }
        });
    }

    /**
     * 短时间显示Toast
     * renhaijun add
     * @param context
     * @param message
     */
    public static void showShort(final Context context, final CharSequence message) {
        if (context == null ){
            LogUtil.e(TAG,"弹框toash异常 context == null--------------------"  );
            return;
        }
        if (  message == null || StringUtils.isBlank(message.toString())){
            LogUtil.e(TAG,"弹框toash异常 message == null--------------------"  );
            return;
        }
        new Handler(Looper.getMainLooper()).post(new Runnable() {
            @Override
            public void run() {
                if (MyApplication.getContext() == null){
                    return;
                }
                Toast.makeText(MyApplication.getContext(), message, Toast.LENGTH_SHORT).show();
            }
        });
    }

    public static void showShort(final Context context, final int resId) {
        if (isShow){
            if (context == null){
                return;
            }
            new Handler(Looper.getMainLooper()).post(new Runnable() {
                @Override
                public void run() {
                    if (MyApplication.getContext() == null){
                        return;
                    }
                    Toast.makeText(MyApplication.getContext(), resId, Toast.LENGTH_SHORT).show();
                }
            });
        }
    }

    /**
     * 长时间显示Toast
     * renhaijun add
     * @param context
     * @param
     */
    public static void showLong(final Context context, final CharSequence message) {
        if (context == null){
            LogUtil.e(TAG,"弹框toash异常 context == null--------------------"  );
            return;
        }
        if (  message == null || StringUtils.isBlank(message.toString())){
            LogUtil.e(TAG,"弹框toash异常 message == null--------------------"  );
            return;
        }
        try{
            new Handler(Looper.getMainLooper()).post(new Runnable() {
                @Override
                public void run() {
                    if (MyApplication.getContext() == null){
                        return;
                    }
                    Toast.makeText(MyApplication.getContext(), message, Toast.LENGTH_LONG).show();
                }
            });
        }catch (Exception e){
            LogUtil.e(TAG,"弹框toash异常 e: " + e.toString());

        }
    }

    /**
     * 长时间显示Toast
     * renhaijun add
     * @param
     * @param
     */
    public static void showLong(  final CharSequence message) {
        if (  message == null || StringUtils.isBlank(message.toString())){
            LogUtil.e(TAG,"弹框toash异常 message == null--------------------"  );
            return;
        }
        try{
            new Handler(Looper.getMainLooper()).post(new Runnable() {
                @Override
                public void run() {
                    if (MyApplication.getContext() == null){
                        return;
                    }
                    Toast.makeText(MyApplication.getContext(), message, Toast.LENGTH_LONG).show();
                }
            });
        }catch (Exception e){
            LogUtil.e(TAG,"弹框toash异常 e: " + e.toString());

        }
    }

    public static void showLong(final Context context, final int resId) {
        if (isShow){
            if (context == null){
                LogUtil.e(TAG,"弹框toash异常 context == null--------------------"  );
                return;
            }
            try{
                new Handler(Looper.getMainLooper()).post(new Runnable() {
                    @Override
                    public void run() {
                        if (MyApplication.getContext() == null){
                            return;
                        }
                        Toast.makeText(MyApplication.getContext(), resId, Toast.LENGTH_LONG).show();
                    }
                });
            }catch (Exception e){
                LogUtil.e(TAG,"弹框toash异常 e: " + e.toString());

            }
        }
    }
 

}