android.widget.linearlayout $ layoutparams不能施放到androidx.cons

Question

android.widget.linearlayout $ layoutparams不能施放到 androidx.constraintlayout.widget.constraintlayout $ layoutparams

我该如何处理此错误？我运行我的应用程序，但是当我单击图片时，应用程序突然停止...我只想在单击它时放大imageview！

公共类MainActivity扩展了AppCompatactivity {

ImageView imageView;
boolean isImageFitToScreen;
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    imageView = (ImageView) findViewById(R.id.imageView);
    imageView.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            if(isImageFitToScreen) {
                isImageFitToScreen=false;
                imageView.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT));
                imageView.setAdjustViewBounds(true);
            }else{
                isImageFitToScreen=true;
                imageView.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.MATCH_PARENT));
                imageView.setScaleType(ImageView.ScaleType.FIT_XY);
            }
        }
    });
}
}

 <?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="MainActivity">
    <ImageView
        android:id="@+id/imageView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="228dp"
        android:layout_marginBottom="8dp"
        android:adjustViewBounds="true"
        android:src="@drawable/ic_launcher_background"
        tools:ignore="MissingConstraints" />
</androidx.constraintlayout.widget.ConstraintLayout>

Answer 1

在线上

imageView.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT));将 LinearLayout更改为 ConstraintLayout，因为 ImageView的父级是 ConstraintLayout