You don't have to use reflection, you can use the package manager's APIs to create ids from strings (and the other way around.)
On Fri, Apr 24, 2009 at 5:54 AM, MrSnowflake <[email protected]> wrote: > > If you really want to use a for loop (for maintenance point of view, > somewhat, as TextView1...10 aren't very clear) you need to use > reflection which is a lot of work for this and it's slow. > For your purpose you should consider creating your layout fully in > code. > > On 24 apr, 14:30, Mark Murphy <[email protected]> wrote: >> Zhubham wrote: >> > Hi Experts, >> >> > I am trying to optimize the following code: >> >> > textview[0]=(TextView)findViewById >> > (R.id.TextView1); >> > textview[1]=(TextView)findViewById(R.id.TextView2); >> > textview[2]=(TextView)findViewById(R.id.TextView3); >> > textview[3]=(TextView)findViewById(R.id.TextView4); >> > textview[4]=(TextView)findViewById(R.id.TextView5); >> > textview[5]=(TextView)findViewById(R.id.TextView6); >> > textview[6]=(TextView)findViewById(R.id.TextView7); >> > textview[7]=(TextView)findViewById(R.id.TextView8); >> > textview[8]=(TextView)findViewById(R.id.TextView9); >> > textview[9]=(TextView)findViewById(R.id.TextView10); >> >> > using: >> >> > int j; >> > for(int i=0;i<10;i++) >> > { >> > j = i+1; >> > textViewId = "TextView"+j; >> > textview[i] = >> > (TextView)findViewById(R.id.textViewId);// >> > error textViewId not recognized >> > } >> >> > but this is giving error at the last line.. Can you please help me to >> > come out of this. >> >> 1. There is nothing named R.id.textViewId in your layout, in all likelihood. >> >> 2. Putting things in loops does not optimize the code, from an execution >> speed standpoint. >> >> 3. You cannot dynamically construct the name of a widget ID in the >> manner you are trying. >> >> -- >> Mark Murphy (a Commons >> Guy)http://commonsware.com|http://twitter.com/commonsguy >> >> _The Busy Coder's Guide to Android Development_ Version 2.0 Available! > > > -- Romain Guy Android framework engineer [email protected] Note: please don't send private questions to me, as I don't have time to provide private support. All such questions should be posted on public forums, where I and others can see and answer them --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
