How to get text on canvas using onTouch event in android

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http://stackoverflow.com – I am implementing pagecurl effect using canvas in android now i have to implement text to speech functionality on same canvas..So two different functionalities on single ontouch event ..Upto now i implemented pagecurl effect onTouch now i am in confusion to get text on canvas.. i used canvas.drawText("Hello world this is experiment", 300,400 , paint); in my app the text will come dynamically from sqlite..Is there any way to detect text on canvas on touch. (HowTos)