我需要一个仅允许数字和:符号的编辑文本验证,并且长度不得超过5个字符。大多数情况下,我会务实地创建此Edittext
final EditText timeVisited = new EditText(this);
timeVisited.setId(20);
timeVisited.setText(Tm);
timeVisited.setTextColor(Color.BLACK);
timeVisited.setTextSize(TypedValue.COMPLEX_UNIT_SP, 12);
timeVisited.setHint("eg. 14:30");
timeVisited.setPadding(5,5,5,5);
timeVisited.setSingleLine(false);
timeVisited.setLines(1);
timeVisited.setBackgroundResource(R.drawable.text_bg);
customerToCatchTblRow.addView(timeVisited);// add the column to the table row here
LinearLayout.LayoutParams params5 = (LinearLayout.LayoutParams)timeVisited.getLayoutParams();
params5.setMargins(0, 0, 5, 0); //substitute parameters for left, top, right, bottom
timeVisited.setLayoutParams(params5);
最佳答案
使用android:digits
属性过滤符号:
<EditText
android:digits="0123456789:"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
或以编程方式:
editText.setKeyListener(DigitsKeyListener.getInstance("0123456789:"));