Android Guides | Samples

Java.Lang.String.IndexOf Method

Returns the first index of the given string, or -1.

Syntax

[Android.Runtime.Register("indexOf", "(Ljava/lang/String;)I", "")]
public Int32 IndexOf (String string)

Parameters

string
the string to find.

Exceptions

TypeReason
NullPointerExceptionif string is null.

Remarks

Returns the first index of the given string, or -1. The search starts at the beginning and moves towards the end of this string.

[Android Documentation]

Requirements

Namespace: Java.Lang
Assembly: Mono.Android (in Mono.Android.dll)
Assembly Versions: 0.0.0.0
Since: Added in API level 1