[Android] tabhost + viewPage after . edittext press the backspace key when no reaction

tabhost + viewPage after . edittext press the backspace key when no response , and who knows how else ..
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how no head no tail to emerge a editText it. .
------ eference --------------------------------------- < br> that I use tabhost plus two added up .. viewpage layout inside a edittext ... then edittext where backspace key input method does not take
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have experts to answer it ...
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same question ah . . . . . This is what causes it