TextUtils class

CommaEllipsizeDemo.java

/**
 * This is to demo comma ellipsize
 * Output will be: 2014 fifa worldcup quarterfinalists were Germany,Argentina,Netherlands,Brasil and 4 more 
*/ 
private void commaEllipsizeDemo(TextView text) {
 //Following is the original text, which will be ellipsied
 final String string = "Germany,Argentina,Netherlands,Brasil,France,Belgium,Costa Rica,Colombia";
 //Fetch the textpaint from above text
 final TextPaint paint = text.getPaint();
 //Following is the text which will be shown anyway.
 String requiredText="Germany,Argentina,Netherlands,Brasil";
 //Thus the measurement of above text is required
 final float measureText = paint.measureText(requiredText);
 //If only one item is going to be truncated, following text will be used
 String oneMore=" and one more";
 //For others following text will be used, pay attention to %d: no of truncated item is int, so %d is required
 String manyMore=" and %d more";
 text.setText("2014 fifa worldcup quarter finalists were: "+TextUtils.commaEllipsize(string, paint, measureText, oneMore,
 manyMore));
 }

ExpandTemplate.java

/**
* This method Expands template to fill in the value.
*
* @param text
* 		: textview to fill value in.
* With this example output is
*  You have been invited to watch The El Classico by Prasham Trivedi
*/
private void expandTemplateDemo(TextView text) {
String template = "You have been invited to watch ^1 by ^2";
text.setText(TextUtils.expandTemplate(template, "The El Classico", "Prasham Trivedi"));
}

TextUtilsIsEmpty.java

/**
* This method checks if the string is empty or having null value.
*
* @param string
* 		: Charsequence string to check.
*
* @return <code>true</code> if string is null, blank or having "null" as value
*/
public static boolean isEmptyString(CharSequence string) {
	return (TextUtils.isEmpty(string) || string.toString().equalsIgnoreCase("null"));
}