Android device screenshot captured problems


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  1. khoapn

    khoapn New Member This Topic's Starter

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    Hi, folks
    I found a problem need your ideas
    I captured Android screen shots from device using Dalvik Debug Monitor. On the same screen, after I manipulate smth and come back, the screen captured at this moment is not completely identical.

    Especially when viewing an image in Gallery and capture screen, next time view him again and capture. Use some graphical editor i saw that the brightness or contrast is different (by human eye we couldn't see that)
    (see ex, the red color shows the different

    1st time capture

    [​IMG]

    2nd time capture

    [​IMG]

    diff:

    [​IMG]

    Another example:

    1st time capture

    [​IMG]


    2nd time capture

    [​IMG]

    diff:

    [​IMG]

    Anyone get this problem before???
     

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  2. alex2206

    alex2206 New Member

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    Maybe your problems relate to one of these reasons:
    - Power management mechanism: the background brightness or contrast was adjusted to adapt power status (?)
    - Double-buffer management: Android display works by flipping these buffers. Due to some problem of buffer status, the display can be difference (?). I am not sure this part, hope it is a clue for you.
    - Problems in applications them-self ?
     

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