点删除按钮删一个条目

核心代码

 if(layout_add.getChildCount()>0){
                        layout_add.removeViewAt(layout_add.getChildCount()-1);
                    }

private LinearLayout layout_add;
 @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_loan_manager_scm2);
        getData();
        initView();
        addScmLayout();
        userBean = CustomApplcation.getUserInfo(this);
    }
    private void deleteScmLayout() {
        LogUtilwy.e("deleteScmLayout()");
        if (addViewItem != null) {
            final Dialog dialog;
            CustomDialog.Builder builder;
            builder = new CustomDialog.Builder(this);
            builder.setMessage("是否删除？");
            builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
                public void onClick(DialogInterface dialog, int which) {
                    dialog.dismiss();
//                    if (layout_add.getTag(i) != null)
                    if(layout_add.getChildCount()>0){
                        layout_add.removeViewAt(layout_add.getChildCount()-1);
                    }
//                    for(int i = 0; i < layout_add.getChildCount(); i ++) {
////                        layout_add.removeViewAt(i);
//                        if(getViewCount()>0){
//                            removeViewAt（getViewCount()-1）
//                        }
//                    }

                }
            });
            builder.setNegativeButton("取消",
                    new DialogInterface.OnClickListener() {
                        public void onClick(DialogInterface dialog, int which) {
                            dialog.dismiss();
                        }
                    });

            dialog = builder.create();
            if (!dialog.isShowing()) {
                dialog.show();
            }
        }
        }