android - Transparent button Eclipse -

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i'm having troubles transparent button background. have 90 degree triangle second side transparent. problem i'm facing can activate image button pressing on transparent side. there anyway limit through first side? thanks.

enter image description here

ps: i'm sorry i'm new this.

you can achieve setontouchlistener button (not onclick) can calculate onrawx , onrawy compare values if it's on sensitive region work else ignore.


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