power-play/FtcRobotController/src/main/java/org/firstinspires/ftc/robotcontroller/external/samples/SensorMRColor.java

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package org.firstinspires.ftc.robotcontroller.external.samples;

import android.app.Activity;
import android.graphics.Color;
import android.view.View;

import com.qualcomm.robotcore.eventloop.opmode.Disabled;
import com.qualcomm.robotcore.eventloop.opmode.LinearOpMode;
import com.qualcomm.robotcore.eventloop.opmode.TeleOp;
import com.qualcomm.robotcore.hardware.ColorSensor;

/*
 *
 * This is an example LinearOpMode that shows how to use
 * a Modern Robotics Color Sensor.
 *
 * The op mode assumes that the color sensor
 * is configured with a name of "sensor_color".
 *
 * You can use the X button on gamepad1 to toggle the LED on and off.
 *
 * Use Android Studio to Copy this Class, and Paste it into your team's code folder with a new name.
 * Remove or comment out the @Disabled line to add this OpMode to the Driver Station OpMode list
 */
@TeleOp(name = "Sensor: MR Color", group = "Sensor")
@Disabled
public class SensorMRColor extends LinearOpMode {

  ColorSensor colorSensor;    // Hardware Device Object


  @Override
  public void runOpMode() {

    // hsvValues is an array that will hold the hue, saturation, and value information.
    float hsvValues[] = {0F,0F,0F};

    // values is a reference to the hsvValues array.
    final float values[] = hsvValues;

    // get a reference to the RelativeLayout so we can change the background
    // color of the Robot Controller app to match the hue detected by the RGB sensor.
    int relativeLayoutId = hardwareMap.appContext.getResources().getIdentifier("RelativeLayout", "id", hardwareMap.appContext.getPackageName());
    final View relativeLayout = ((Activity) hardwareMap.appContext).findViewById(relativeLayoutId);

    // bPrevState and bCurrState represent the previous and current state of the button.
    boolean bPrevState = false;
    boolean bCurrState = false;

    // bLedOn represents the state of the LED.
    boolean bLedOn = true;

    // get a reference to our ColorSensor object.
    colorSensor = hardwareMap.get(ColorSensor.class, "sensor_color");

    // Set the LED in the beginning
    colorSensor.enableLed(bLedOn);

    // wait for the start button to be pressed.
    waitForStart();

    // while the op mode is active, loop and read the RGB data.
    // Note we use opModeIsActive() as our loop condition because it is an interruptible method.
    while (opModeIsActive()) {

      // check the status of the x button on either gamepad.
      bCurrState = gamepad1.x;

      // check for button state transitions.
      if (bCurrState && (bCurrState != bPrevState))  {

        // button is transitioning to a pressed state. So Toggle LED
        bLedOn = !bLedOn;
        colorSensor.enableLed(bLedOn);
      }

      // update previous state variable.
      bPrevState = bCurrState;

      // convert the RGB values to HSV values.
      Color.RGBToHSV(colorSensor.red() * 8, colorSensor.green() * 8, colorSensor.blue() * 8, hsvValues);

      // send the info back to driver station using telemetry function.
      telemetry.addData("LED", bLedOn ? "On" : "Off");
      telemetry.addData("Clear", colorSensor.alpha());
      telemetry.addData("Red  ", colorSensor.red());
      telemetry.addData("Green", colorSensor.green());
      telemetry.addData("Blue ", colorSensor.blue());
      telemetry.addData("Hue", hsvValues[0]);

      // change the background color to match the color detected by the RGB sensor.
      // pass a reference to the hue, saturation, and value array as an argument
      // to the HSVToColor method.
      relativeLayout.post(new Runnable() {
        public void run() {
          relativeLayout.setBackgroundColor(Color.HSVToColor(0xff, values));
        }
      });

      telemetry.update();
    }

    // Set the panel back to the default color
    relativeLayout.post(new Runnable() {
      public void run() {
        relativeLayout.setBackgroundColor(Color.WHITE);
      }
    });
  }
}