java 防止面包堆到一起

Posted 2021-05-08

private Toast mToast;

public void showToast(String message) {
    if (mToast != null) {
        mToast.cancel();
        mToast = null;
    }
    mToast = Toast.makeText(this, message, Toast.LENGTH_SHORT);
    mToast.show();
}