我在应用程序中有一个 多线文本框
, 我想设置一个 < strong > 固定字符长度 strong >, 这样一行的字符不会超过该字符, 从而显示如何这样做?
表示如果文本框最大legnth为150, 那么单行的最大长度是设定 50 。 < number> MAX LENTH 代表 EACH LINE strong >
我在应用程序中有一个 多线文本框
, 我想设置一个 < strong > 固定字符长度 strong >, 这样一行的字符不会超过该字符, 从而显示如何这样做?
表示如果文本框最大legnth为150, 那么单行的最大长度是设定 50 。 < number> MAX LENTH 代表 EACH LINE strong >
http:// developinger.android.com/ reference/and/android/widget/TextView.html" rel=“nofollow” >TextView 元素,或TextView(例如编辑图文)的任何子分类,您可以用seetFilter()()。
您需要做的是创建一个执行 输入过滤器的类, 例如
public class MyTestFilter implements InputFilter {
@Override
public CharSequence filter(CharSequence source, int start, int end,
Spanned dest, int dstart, int dend) {
// do you checks, and only return what you wish to have replaced
return null;
}
}
并然后使用
youEditText.setFilters(new InputFilter[]{new MyTestFilter()});
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