maxlength

问题 What\'s the best way to limit the text length of an EditText in Android? Is there a way to do this via xml? 回答1: Documentation Example android:maxLength="10" 回答2: use an input filter to limit the max length of a text view. TextView editEntryView = new TextView(...); InputFilter[] filterArray = new InputFilter[1]; filterArray[0] = new InputFilter.LengthFilter(8); editEntryView.setFilters(filterArray); 回答3: EditText editText = new EditText(this); int maxLength = 3; editText.setFilters(new

问题 I would like to know what the max size is for a MySQL VARCHAR type. I read that the max size is limited by the row size which is about 65k. I tried setting the field to varchar(20000) but it says that that\'s too large. I could set it to varchar(10000) . What is the exact max I can set it to? 回答1: Keep in mind that MySQL has a maximum row size limit The internal representation of a MySQL table has a maximum row size limit of 65,535 bytes, not counting BLOB and TEXT types. BLOB and TEXT