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    1. POHow to get raw preview data from Camera object at least 15 frames per second in Android?
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      1. POHow to declare global variables in Android?
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      1. PODifference between "@id/" and "@+id/" in Android
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      1. POHow to return a result (startActivityForResult) from a TabHost Activity?
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    1. COIn fact I get the specification of **setPreviewFpsRange(int min, int max)** in **<http:///developer.android.com/reference/android/hardware/Camera.Parameters.html#setPreviewFpsRange(int, int)>** . It said this API can "Sets the maximum and maximum preview fps. This controls the rate of preview frames received in Camera.PreviewCallback." So I think maybe by using this API I can get more than 15 frames per second. Does my assumption feasible? By the way, the supported preview Fps range of my device is (1000,15000) and (5000,30000) by issuing **parameters.getSupportedPreviewFpsRange()** API.
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    2. COIn fact I just record system time in the onPreviewFrame to calculate the time gap between every callback. It finishes very quickly. So I think no frame will be skipped. And I tried your advice. I added 20, 30 and even more buffers, but the result remained the same. In the log, there is a few garbage-collector statements, and I think it's not related to this part.
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    3. COI also have a doubt about the effect of this API. But no matter I setPreviewFpsRange(**1000**,**1000**) or setPreviewFpsRange(**20000**,**30000**), I get the same log. So I am quite confused. Does this API totally not work on my device? Or does this API not works as the way I assumed. Or Did I miss some factor or some statements? So I try to fix this problem by sticking this API at first. I will try your advice if I can not get through. Thank you very much. :)
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