Android：如何从另一个 class 的线性布局中删除视图？

Question

I have some LinearLayout I need to remove its view. I can do it from same class. But I need to do it from another class

LinearLayout container2;
LinearLayout container3;
LinearLayout container4;
LinearLayout container5;
LinearLayout container6;
LinearLayout container7;
LinearLayout container8;
LinearLayout container9;
LinearLayout container10;


container19.removeAllViews();
                    container12.removeAllViews();
                    container9.removeAllViews();
                    container11.removeAllViews();
                    container13.removeAllViews();
                    container8.removeAllViews();
                    container10.removeAllViews();

Answer 1

have you tried to add public static method to your LinearLayout?

So it will be like for example: ActivityA.class

public static LinearLayout container2;

container2 = findViewById(R.id.container2);

Remove the view in ActivityB.class

ActivityA.container2.removeAllViews();