Caused by: java.lang.ClassCastException: androidx.constraintlayout.widget.ConstraintLayout cannot becast to android.widget.TextViewimport androidx.appcompat.app.AppCompatActivityimport android.widget.TextView
class Main
我刚开始和安卓工作室合作,我在youtube上学习了这个教程:androidx.constraintlayout.widget.ConstraintLayout cannotbe cast to android.widget.TextView<androidx.constraintlayout.widget.<
我正在尝试以编程方式将视图添加到ConstraintLayout中。问题在于ConstraintLayout.LayoutParams忽略了MATCH_CONSTRAINT和我的视图,而不是让最大宽度居中。TextViewtextView = new TextView(context);
ConstraintLayout.LayoutParams lp = new ConstraintLayout.LayoutParams= ConstraintLa
Guideline guideline = new Guideline(this); constraintLayout.addViewConnecting view with the guideline
set.connect(textView.getId(), ConstraintSet.RIGHT, guideline.getId(),