no message

app/src/main/java/com/qhclh/ytzh/ui/Chose2timePopuWindow.java

@@ -10,6 +10,7 @@ import android.widget.Button;
 import android.widget.LinearLayout;
 import android.widget.PopupWindow;
 import android.widget.TextView;
+import android.widget.Toast;
 
 import com.qhclh.ytzh.R;
 import com.qhclh.ytzh.utils.DateUtils;
@@ -101,6 +102,13 @@ public class Chose2timePopuWindow extends PopupWindow {
         pop_btn.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
+                if (startDate == null){
+                    Toast.makeText(context,"请选择起始时间",Toast.LENGTH_SHORT).show();
+                    return;
+                }else if (endDate == null){
+                    Toast.makeText(context,"请选择终止时间",Toast.LENGTH_SHORT).show();
+                    return;
+                }
                 EventBus.getDefault().post(new ChoseTimeEvent(startDate,endDate));
                 dismissPopupWindow();
             }