Solved

Listenser event not responding

Posted on 2012-03-30
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448 Views
Last Modified: 2012-04-02
Hello there,

i have 2 buttons created and have setOnClickListeners on them. the addProduct_button is responding properly. but the delete button is not working as required.only the last row gets deleted when i clcik on the delete button. what am i doing wrong.please help.i have attached my code.

cheers
Zolf
Order.java
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Question by:zolf
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5 Comments
 
LVL 8

Expert Comment

by:Santhana
ID: 37794572
Hi zolf,

First declare this TableRow  tr & Button delete_Button  as locale variable.... I guess while adding rows dynamically  the id we are assigning to the view creating problem.(I too have little skeptic about assigning  ids to a view)...


Change  your code like this ...

private void createRow(int qty2, String productSelected2)
{
   final TableRow  tr = new TableRow(this);  

   Button delete_Button = new Button(this);  
    delete_Button .setLayoutParams(lRowParam );
   delete_Button.setGravity( Gravity.CENTER_VERTICAL | Gravity.CENTER_HORIZONTAL);
   delete_Button.setText("Delete");
   delete_Button.setTextSize(10);
   delete_Button.setHeight(5);
   tr.addView(delete_Button);

}
0
 

Author Comment

by:zolf
ID: 37794637
santhanasamy,

thnaks for your help once again.

>>I too have little skeptic about assigning  ids to a view
what do you suggest,is there another better way out.
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LVL 8

Accepted Solution

by:
Santhana earned 500 total points
ID: 37794697
Hi zolf,

Please refer this link...
http://stackoverflow.com/questions/1714297/android-view-setidint-id-programmatically-how-to-avoid-id-conflictsAccording to View documentation

The identifier does not have to be unique in this view's hierarchy. The identifier should be a positive number.
So we can use any positive integer you like, but in this case there can be some views with equivalent id's.
If we want to search for some view in hierarchy calling to setTag with some key objects may be handy.

Is there another better way out??
We can define ids.xml in res/values. You can see an exact example in android's sample code.

samples/ApiDemos/src/com/example/android/apis/RadioGroup1.java samples/ApiDemp/res/values/ids.xml
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Author Closing Comment

by:zolf
ID: 37794832
thanks a lot
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