将InputFilter设置为空白和最大长度

Question

我想使用输入过滤器，我可以阻止第一个空格输入和编辑文本的最大长度限制为200个字符。

到目前为止我有这个： 我将maxlength放入同一个过滤器

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 private void setInputFilterForEmailAndPwd(final EditText amountEditText) {
	InputFilter filter = new InputFilter() {
	    public CharSequence filter(CharSequence source, int start, int end, Spanned dest, int dstart, int dend) {
		for (int i = start; i < end; i++) {
		    if (Character.isSpace(source.charAt(i))) {
			return "";
		    }
		}
		
		return null;
	    }
	};

	amountEditText.setFilters(new InputFilter[] { filter });
    }



setInputFilterForEmailAndPwd(emailEdit);

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Answer 1

我找到了解决方案 我把新的输入过滤器，而不是setInputFilterForEmailAndPwd：

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InputFilter filter = new InputFilter() {
	    public CharSequence filter(CharSequence source, int start, int end, Spanned dest, int dstart, int dend) {
		for (int i = start; i < end; i++) {
		    if (Character.isWhitespace(source.charAt(i))) {
			return "";
		    }
		}
		return null;
	    }
	};

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然后：

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	emailEdit.setFilters(new InputFilter[] { filter, new InputFilter.LengthFilter(200) });

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