前言：借鉴了前辈们的吐司工具类，自己搞了个简单的吐司工具类

/**
 * @auth 方毅超
 * @desc 吐司工具类
 */
public class ToastUtil {

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

    private static Toast toast = null;
    private static boolean isShow = true;

    /**
     * 短时间显示Toast
     *
     * @param context
     * @param message
     */
    public static void showShort(Context context, CharSequence message) {
        if (isShow)
//          Toast.makeText(context, message, Toast.LENGTH_SHORT).show();
            toast(context, message, Toast.LENGTH_SHORT);
    }

    /**
     * 短时间显示Toast
     *
     * @param context
     * @param message
     */
    public static void showShort(Context context, int message) {
        if (isShow)
//          Toast.makeText(context, message, Toast.LENGTH_SHORT).show();
            toast(context, message, Toast.LENGTH_SHORT);
    }

    /**
     * 长时间显示Toast
     *
     * @param context
     * @param message
     */
    public static void showLong(Context context, CharSequence message) {
        if (isShow)
//          Toast.makeText(context, message, Toast.LENGTH_LONG).show();
            toast(context, message, Toast.LENGTH_LONG);
    }

    /**
     * 长时间显示Toast
     *
     * @param context
     * @param message
     */
    public static void showLong(Context context, int message) {
        if (isShow)
//          Toast.makeText(context, message, Toast.LENGTH_LONG).show();
            toast(context, message, Toast.LENGTH_LONG);
    }

    public static void toast(Context context, int resId, int duration) {
        String message = context.getResources().getString(resId);
        toast(context, message, duration);
    }

    public static void toast(Context context, CharSequence message, int duration) {
        if (toast == null) {
            toast = Toast.makeText(context.getApplicationContext(), message, duration);
        } else {
            toast.setText(message);
        }
        toast.show();
    }
    /**
     * 显示自定义View的Toast
     *
     * @param context
     * @param message
     */
    public static void showCustomToast(Context context, String message) {
        //加载自定义Toast布局
        View toastView = LayoutInflater.from(context).inflate(R.layout.toast, null);
        //初始化布局控件
        TextView mTextView = (TextView) toastView.findViewById(R.id.toast_message);
        //为控件设置内容
        mTextView.setText(message);
        //Toast的初始化
        Toast toast = new Toast(context);
        //获取屏幕高度
        WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
        int height = wm.getDefaultDisplay().getHeight();//获取屏幕高度值
        toast.setGravity(Gravity.TOP, 0, height / 2);//设置显示位置
        toast.setDuration(Toast.LENGTH_LONG);
        toast.setView(toastView);
        toast.show();
    }
}

感谢：
简单的实现自定义Toast页面显示