android中handler中 obtainmessge與New message區別

obtainmessage（）是從消息池中拿來一個msg 不須要另開闢空間newjava new須要從新申請，效率低，obtianmessage能夠循環利用；android //use Handler.obtainMessage(),instead of msg = new Message(); //because if there is already an Message object,tha

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