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在TextView上面设置某一个字的字体颜色为指定颜色时,可以通过java类SpannableString类和Html语言来实现。
(一)SpannableString类方式
private void setText(TextView t){ String text = t.getText().toString().trim(); SpannableString span = new SpannableString(text); span.setSpan(new ForegroundColorSpan(Color.RED), 0, 1, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); t.setText(span); }
String html1 = "<html><body><a><font color=\"#ff0000\">*</a>姓名:</body></html>"; textView.setText(Html.fromHtml(html1));
当输入小写字母时,EditText编辑框自动转换成大写字母,也有多种方式,即给某个EditText设置监听、调用EditText对象的setTransformationMethod()方法。
(一)为EditText设置监听
mEdtLicensePlateNumber.addTextChangedListener(new TextWatcher() { @Override public void onTextChanged(CharSequence s, int start, int before, int count) { // TODO Auto-generated method stub mEdtLicensePlateNumber.removeTextChangedListener(this);//解除文字改变事件 mEdtLicensePlateNumber.setText(s.toString().toUpperCase());//转换 mEdtLicensePlateNumber.setSelection(s.toString().length());//重新设置光标位置 mEdtLicensePlateNumber.addTextChangedListener(this);//重新绑 licensePlateNumber = mEdtLicensePlateNumber.getText().toString().trim(); } @Override public void beforeTextChanged(CharSequence s, int start, int count, int after) { // TODO Auto-generated method stub } @Override public void afterTextChanged(Editable s) { // TODO Auto-generated method stub } });
public class InputLowerToUpper extends ReplacementTransformationMethod{ @Override protected char[] getOriginal() { char[] lower = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z' }; return lower; } @Override protected char[] getReplacement() { char[] upper = { 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z' }; return upper; } } editext.setTransformationMethod(new InputLowerToUpper());
android 设置字体颜色、EditText自动输入转换成大写字母的多种方式,布布扣,bubuko.com
android 设置字体颜色、EditText自动输入转换成大写字母的多种方式
标签:android class blog code java tar
原文地址:http://blog.csdn.net/u010152805/article/details/30508021