Help ! android how to upload images to php server

Internet to find a few examples will not work, there are experts who share the successful experience , and is willing to send 200 points .
attention must android upload images to php server . I am grateful.
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upload it to open a thread to pass would not card UI.

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sorry, had wanted to set up 100 points , easily point of submission , and the remaining 160 points, can solve the problem absolutely filled.
------ eference --------------------------------------- < br> I have successfully uploaded the picture , but now there is a troublesome problem is to upload later , the phone interface will crash state .
------ eference --------------------------------------- < br> seeking upload pictures to the PHP source code. I have a machine here, upload pictures honest data loss, another machine is normal . HttpClient tried methods and HttpUrlConnection methods are not guaranteed to be successful the machine two days .
Note : One HTC Android2.2 version , a Samsung Android2.3 version
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I also upload up to , but not from the phone also upload the file name , that name on the phone no way to know on the PHP server , save the image on the server had to rename it , you do not know how to write, can give pointers , thank
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can share successful upload code to see it
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php how to receive upload pictures ?