以编程方式设置编辑文本数字

我实际上是在尝试通过编程方式设置 EditText 的数字值:

weightInput.setInputType(InputType.TYPE_CLASS_PHONE);
weightInput.setKeyListener(DigitsKeyListener.getInstance());

这很好，但是我也希望能够包含一个小数位(.)。有什么想法吗？

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最佳答案

Try this:

<EditText
android:inputType="number"
android:digits="0123456789."
/>

From Code:

weightInput.setKeyListener(DigitsKeyListener.getInstance("0123456789."));

But, it allows the user to include several "." See JoeyRA's answer for real numbers.

小开

Use InputType.TYPE_NUMBER_FLAG_DECIMAL.

Also see: Input Types.

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For IP address input ( Multiple dots and numbers )

try

<EditText
android:id="@+id/ipBox"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:hint="@string/ipAddrHint"
android:inputType="numberDecimal|number"
android:digits="0123456789."
android:textSize="30sp" />

小开

Try this:

weightInput.setInputType(InputType.TYPE_NUMBER_FLAG_DECIMAL);
weightInput.setKeyListener(DigitsKeyListener.getInstance(false,true));

public static DigitsKeyListener getInstance (boolean sign, boolean decimal)

Returns a DigitsKeyListener that accepts the digits 0 through 9, plus the minus sign (only at the beginning) and/or decimal point (only one per field) if specified.

This solve the problem about the many '.' in EditText

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if anyone still finding proper way, note that its setRawInputType() not setInputType()

val digits = "ABCDabcd" // or any characters you want to allow
editText.keyListener = DigitsKeyListener.getInstance(digits)
editText.setRawInputType(InputType.TYPE_TEXT_VARIATION_PERSON_NAME)

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None of the above solutions worked as expected. Digits in xml file still allow me to put "," in the input. Check for it, it's works for me:

edittext.setInputType(InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_FLAG_DECIMAL);