java - App crash when receiving data size 30 MB is loaded about 50% from bluetooth -

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i new android dev , app developing send data format byte array via bluetooth , have use bluetooth library here.it easy use , lite weigth. ,app running fine when size of data <= 15 mb.but app crash happen when receiving data size 30 mb loaded in progress bar 50 % . don't know why , how fix it.

another question, have implement recieved data activity service.but when service start allocate memory 20 mb , alway increase allocate ram when reciveing data .finally app crash again

there limit on memory allocated java code. max allocated size depends on android version , device vendor.


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