[英]How to access component of MainActivity in recycler view to make onclick listener?
[英]How to set onclick listener for gridview radio buttons in mainactivity instead custom view
我想为MainActivity
单选按钮设置onclicklistener
,现在我在自定义视图中具有onclick。
public class ToggleButtonGroupTableLayout extends TableLayout implements OnClickListener {
private static final String TAG = "ToggleButtonGroupTableLayout";
private RadioButton activeRadioButton;
/**
* @param context
*/
public ToggleButtonGroupTableLayout(Context context) {
super(context);
// TODO Auto-generated constructor stub
}
/**
* @param context
* @param attrs
*/
public ToggleButtonGroupTableLayout(Context context, AttributeSet attrs) {
super(context, attrs);
// TODO Auto-generated constructor stub
}
@Override
public void onClick(View v) {
final RadioButton rb = (RadioButton) v;
if ( activeRadioButton != null ) {
activeRadioButton.setChecked(false);
}
rb.setChecked(true);
Toast.makeText(getContext(),rb.getText().toString(), Toast.LENGTH_SHORT).show();
if(rb.getText().toString().equalsIgnoreCase("Apartment"))
{
}
//radio_button_data(rb.getText().toString());
activeRadioButton = rb;
}
}
如何将onclick侦听器移至MainActivity?
您可以在与主要活动相同的类中创建自定义视图,然后可以轻松访问它,或者可以在适配器中传递Click侦听器并在主要活动中超越OnClick并执行所需的操作:
public class OnItemClickListener implements View.OnClickListener {
private int position;
private OnItemClickCallback onItemClickCallback;
public OnItemClickListener(int position, OnItemClickCallback onItemClickCallback) {
this.position = position;
this.onItemClickCallback = onItemClickCallback;
}
@Override
public void onClick(View view) {
onItemClickCallback.onItemClicked(view, position);
}
public interface OnItemClickCallback {
void onItemClicked(View view, int position);
}
}
添加此类并在adpater中传递其对象
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