Trackball Precision

```
What steps will reproduce the problem?
1. Always
2.
3.

What is the expected output? What do you see instead?
move the cursor better with trackball

What version of the product are you using? On what operating system?
market latest+android

Please provide any additional information below.

for move the cursor 1cm i need scroll the trackball few times
```

Original issue reported on code.google.com by `diegar...@gmail.com` on 30 May 2009 at 5:46

No source file, test, or entry point is identified in the issue. Start by reproducing the cursor movement problem on the latest Android version with a trackball, then locate the input-handling code and compare the observed movement with the requested one-centimeter movement behavior.

Escrita pelo modelo de indexação a partir do texto da issue.