charsequence

By invoking its toString() method. Returns a string containing the characters in this sequence in the same order as this sequence. The length of the string will be the length of this sequence.

General differences There are several classes which implement the CharSequence interface besides String. Among these are StringBuilder for variable-length character sequences which can be modified CharBuffer for fixed-length low-level character sequences which can be modified Any method which accepts a CharSequence can operate on all of these equally well. Any method which only accepts a … Read more

Since String IS-A CharSequence, you can pass a String wherever you need a CharSequence, or assign a String to a CharSequence: CharSequence cs = “string”; String s = cs.toString(); foo(s); // prints “string” public void foo(CharSequence cs) { System.out.println(cs); } If you want to convert a CharSequence to a String, just use the toString method … Read more

Strings are CharSequences, so you can just use Strings and not worry. Android is merely trying to be helpful by allowing you to also specify other CharSequence objects, like StringBuffers.