That is a very open-ended question. But I can make a good start on
answering it by saying:

1) before you even test on various phones, you should test in the
emulator using AVD files for versions 1.5, 1.6, 2.0, 2.1 and 2.2 and
with a variety of different screen sizes and densities. Complete
coverage is a good idea (large screen, small screen, normal; medium,
low and high density).

2) Depending on what you are doing, you may need to test on multiple
vendors and models of phones for each of the combinations listed in 1.
This is because multimedia support has different limitations and bugs
on different phones and versions. Similarly with OpenGL: what looks
fine on one vendors phone may look bad on another; it may even crash.

3) If you are doing a r-e-a-l simple app, you can get away with less.
But be careful. Do Google searches in these groups and elsewhere to
determine what the fragmentation is like for the particular Android
features your app requires.

On Sep 18, 2:24 pm, Tabman <[email protected]> wrote:
> hello
>
> my app works fine on samsung galaxy and nexus one. It is giving
> problem on htc incredible. How should I test my application for
> various phones ?

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