# API Reference ### setActivation {% code overflow="wrap" %} ```java public static native int setActivation(String var0); ``` {% endcode %}


Name	setActivation
Description	Activate SDK
Input	var0 (String): The license string
Output	The SDK activation status code. 0: Success Non-zero: Activation failed

### init {% code overflow="wrap" %} ```java public static native int init(ContextWrapper var0); ``` {% endcode %}


Name	init
Description	Initiate SDK
Input	var0 (ContextWrapper ): An instance to access application assets
Output	The SDK initialization status code. 0: Success -1: License Key Error -2: License AppID Error -3: License Expired -4: Activate Error -5: Initialize SDK Error

### yuv2Bitmap {% code overflow="wrap" %} ```java public static native Bitmap yuv2Bitmap(byte[] var0, int var1, int var2, int var3); ``` {% endcode %}


Name	yuv2Bitmap
Description	Convert YUV camera frame to Bitmap image
Input	var0 (byte[]): Byte array representing the YUV image data in NV21 format var1 (int): Width of the image var2 (int): Height of the image var3 (int): Orientation of the image 1 -> No processing 2 -> Flip horizontally 3 -> Flip horizontally first and then flip vertically 4 -> Vertical flip 5 -> Transpose 6 -> Rotate 90° clockwise 7 -> Horizontal and vertical flip --> Transpose 8 -> Rotate 90° counterclockwise
Output	A Bitmap object representing the converted image

### idcardRecognition {% code overflow="wrap" %} ```java public static native String idcardRecognition(Bitmap var0); ``` {% endcode %}


Name	idcardRecognition
Description	Extract data from ID Document
Input	var0 (Bitmap): The Bitmap image
Output	A string representing the extracted data.

#### Output Example for idcardRecognition

{% code overflow="wrap" %} ```json { "Document Number":"963545627", "Nationality":"USA", "Date of Issue":"2017-04-14", "Document Class Code":"P", "Issuing State Code":"USA", "Full Name":"JOHN DOE", "Date of Birth":"1996-03-15", "Sex":"M", "Date of Expiry":"2027-04-14", "Surname":"JOHN", "Given Names":"DOE", "Issuing State Name":"United States", "Authority":"United States,Department of State", "Place of Birth":"CALIFORNIA, U.S.A", "Document Name":"Passport", "Quality":99, "Position": { "x1":24,"y1":4294967295,"x2":577,"y2":381 }, "MRZ": { "Document Number":"963545637", "MRZ":"P ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.