javikin

/**
   * Crop a image taking a recerence a view parent like a frame, and a view child like final
   * reference
   *
   * @param bitmap image to crop
   * @param frame where the image is set it
   * @param reference frame to take reference for crop the image
   * @return image already cropped
   */
  public static byte[] cropImage(Bitmap bitmap, View frame, View reference){

javikin

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"    
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <FrameLayout
        android:id="@+id/textureView"
        android:background="@color/white"