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Wednesday, June 8, 2016

EditText - Xét Edit Text Rổng

(EditText) findViewByID(R.id.age)).getText().toString() == null
(EditText) findViewByID(R.id.age)).getText().toString() == ""
(EditText) findViewByID(R.id.age)).getText().toString().matches("")
(EditText) findViewByID(R.id.age)).getText().toString().equals("")
(EditText) findViewByID(R.id.age)).getText().toString().equals(null)
(EditText) findViewByID(R.id.age)).getText().toString().trim().length() == 0
(EditText) findViewByID(R.id.age)).getText().toString().trim().equals("")

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