I am creating a security app that displays pages of security footage as a
gridview of images. I am polling the network for updates to the footage and
if so, I'll update the backing object and call
'adapter.notifyDataSetChanged()'.
You can imaging that the data set changes quite frequently. As
I'm reading data from a bluetooth barcode scanner. I
found an example and things work well. The example
though, starts a thread that pretty much just goes:
while(1){
if(check_for_data()){
handle_data();
}
}
So wouldn't this tank the CPU? Should I just
put a
I would expect that your check_for_data() is actually performing an
InputStream.read() or .read(buffer) or .read(buffer, byteOffset,
byteCount), all of which are calls that block until data is available.
While in a call that blocks, the thread won't load the CPU.
Trev
On Wed, Feb 19, 2014 at
On 2/18/2014 5:03 PM, Trevor Page wrote:
I would expect that your check_for_data() is actually performing an
InputStream.read() or .read(buffer) or .read(buffer, byteOffset,
byteCount), all of which are calls that block until data is available.
While in a call that blocks, the thread won't load
Hi all, I am having muliple activities named as first, second, third and
fourth activity. I have to launch third activity (ie Instruction activity)
than first activity (ie. Login activity). Here, how does manifest recognize
the activity as a main activity and all the multiple activities may
Use
* Android-Universal-Image-Loader
https://github.com/nostra13/Android-Universal-Image-Loader forget the
rest.*I am using it for my several projects including heavy images that has
to be loaded from drawables, this handles downloading, caching, memory
loading into UI in runtime.
On
The Activity that is launched is determined by the incoming Intent and the
various IntentFilters you have configured in your manifest. The intent filter
that you have set there in the manifest channels the launch intents to your
'Main' Activity. Try moving the entire intent filter block from
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