androidx.gridlayout.widget.GridLayout无法转换为android.widget.GridLayout [英] androidx.gridlayout.widget.GridLayout cannot be cast to android.widget.GridLayout

问题描述

我遇到错误

"由以下原因引起:java.lang.ClassCastException: androidx.gridlayout.widget.GridLayout无法转换为 android.widget.GridLayout"，在mainActivity.java中

"Caused by: java.lang.ClassCastException: androidx.gridlayout.widget.GridLayout cannot be cast to android.widget.GridLayout", in mainActivity.java

 GridLayout mygridLayout = findViewById(R.id.gridLayout);

 for(int i=0; i<mygridLayout.getChildCount(); i++)
 {
     ((ImageView) mygridLayout.getChildAt(i)).setImageResource(0);
 }

推荐答案

更改

import android.widget.gridLayout 

到

import androidx.gridlayout.widget.GridLayout;

您的代码将起作用

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