/*
* Copyright © 2013–2016 Michael von Glasow.
*
* This file is part of LSRN Tools.
*
* LSRN Tools is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* LSRN Tools is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with LSRN Tools. If not, see <http://www.gnu.org/licenses/>.
*/
package com.vonglasow.michael.satstat.ui;
import static android.hardware.SensorManager.SENSOR_STATUS_ACCURACY_HIGH;
import static android.hardware.SensorManager.SENSOR_STATUS_ACCURACY_LOW;
import static android.hardware.SensorManager.SENSOR_STATUS_ACCURACY_MEDIUM;
import static android.hardware.SensorManager.SENSOR_STATUS_UNRELIABLE;
import com.vonglasow.michael.satstat.R;
import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
/**
* The fragment which displays sensor data.
*/
public class SensorSectionFragment extends Fragment {
public static final String TAG = "SensorSectionFragment";
/**
* The fragment argument representing the section number for this
* fragment.
*/
public static final String ARG_SECTION_NUMBER = "section_number";
private MainActivity mainActivity = null;
/*
* Maximum resolutions for sensors, expressed as number of decimals. These
* values were chosen based on screen real estate and significance. They
* may be lowered if actual precision is lower, but will not be increased
* even if sensors are capable of delivering higher precision.
*/
private byte mAccSensorRes = 3;
private byte mGyroSensorRes = 4;
private byte mMagSensorRes = 2;
private byte mLightSensorRes = 1;
private byte mProximitySensorRes = 1;
private byte mPressureSensorRes = 0;
private byte mHumiditySensorRes = 0;
private byte mTempSensorRes = 1;
private TextView accStatus;
private TextView accHeader;
private TextView accTotal;
private TextView accX;
private TextView accY;
private TextView accZ;
private TextView rotStatus;
private TextView rotHeader;
private TextView rotTotal;
private TextView rotX;
private TextView rotY;
private TextView rotZ;
private TextView magStatus;
private TextView magHeader;
private TextView magTotal;
private TextView magX;
private TextView magY;
private TextView magZ;
private TextView orStatus;
private TextView orHeader;
private TextView orAzimuth;
private TextView orAziText;
private TextView orPitch;
private TextView orRoll;
private TextView miscHeader;
private TextView tempStatus;
private TextView tempHeader;
private TextView metTemp;
private TextView pressureStatus;
private TextView pressureHeader;
private TextView metPressure;
private TextView humidStatus;
private TextView humidHeader;
private TextView metHumid;
private TextView lightStatus;
private TextView lightHeader;
private TextView light;
private TextView proximityStatus;
private TextView proximityHeader;
private TextView proximity;
public SensorSectionFragment() {
}
/**
* Converts an accuracy value into a color identifier.
*/
public static int accuracyToColor(int accuracy) {
switch (accuracy) {
case SENSOR_STATUS_ACCURACY_HIGH:
return(R.color.accHigh);
case SENSOR_STATUS_ACCURACY_MEDIUM:
return(R.color.accMedium);
case SENSOR_STATUS_ACCURACY_LOW:
return(R.color.accLow);
case SENSOR_STATUS_UNRELIABLE:
return(R.color.accUnreliable);
default:
return(android.R.color.background_dark);
}
}
/**
* Gets the number of decimal digits to show when displaying sensor values, based on sensor accuracy.
* @param sensor The sensor
* @param maxDecimals The maximum number of decimals to display, even if the sensor's accuracy is higher
* @return
*/
public static byte getSensorDecimals(Sensor sensor, byte maxDecimals) {
if (sensor == null) return 0;
float res = sensor.getResolution();
if (res == 0) return maxDecimals;
return (byte) Math.min(maxDecimals,
(sensor != null) ? (byte) Math.max(Math.ceil(
(float) -Math.log10(sensor.getResolution())), 0) : 0);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
mainActivity = (MainActivity) this.getContext();
View rootView = inflater.inflate(R.layout.fragment_main_sensors, container, false);
Sensor mAccSensor = mainActivity.sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
Sensor mGyroSensor = mainActivity.sensorManager.getDefaultSensor(Sensor.TYPE_GYROSCOPE);
Sensor mMagSensor = mainActivity.sensorManager.getDefaultSensor(Sensor.TYPE_MAGNETIC_FIELD);
Sensor mLightSensor = mainActivity.sensorManager.getDefaultSensor(Sensor.TYPE_LIGHT);
Sensor mProximitySensor = mainActivity.sensorManager.getDefaultSensor(Sensor.TYPE_PROXIMITY);
Sensor mPressureSensor = mainActivity.sensorManager.getDefaultSensor(Sensor.TYPE_PRESSURE);
Sensor mHumiditySensor = mainActivity.sensorManager.getDefaultSensor(Sensor.TYPE_RELATIVE_HUMIDITY);
Sensor mTempSensor = mainActivity.sensorManager.getDefaultSensor(Sensor.TYPE_AMBIENT_TEMPERATURE);
mAccSensorRes = getSensorDecimals(mAccSensor, mAccSensorRes);
mGyroSensorRes = getSensorDecimals(mGyroSensor, mGyroSensorRes);
mMagSensorRes = getSensorDecimals(mMagSensor, mMagSensorRes);
mLightSensorRes = getSensorDecimals(mLightSensor, mLightSensorRes);
mProximitySensorRes = getSensorDecimals(mProximitySensor, mProximitySensorRes);
mPressureSensorRes = getSensorDecimals(mPressureSensor, mPressureSensorRes);
mHumiditySensorRes = getSensorDecimals(mHumiditySensor, mHumiditySensorRes);
mTempSensorRes = getSensorDecimals(mTempSensor, mTempSensorRes);
// Initialize controls
accStatus = (TextView) rootView.findViewById(R.id.accStatus);
accHeader = (TextView) rootView.findViewById(R.id.accHeader);
accX = (TextView) rootView.findViewById(R.id.accX);
accY = (TextView) rootView.findViewById(R.id.accY);
accZ = (TextView) rootView.findViewById(R.id.accZ);
accTotal = (TextView) rootView.findViewById(R.id.accTotal);
rotStatus = (TextView) rootView.findViewById(R.id.rotStatus);
rotHeader = (TextView) rootView.findViewById(R.id.rotHeader);
rotX = (TextView) rootView.findViewById(R.id.rotX);
rotY = (TextView) rootView.findViewById(R.id.rotY);
rotZ = (TextView) rootView.findViewById(R.id.rotZ);
rotTotal = (TextView) rootView.findViewById(R.id.rotTotal);
magStatus = (TextView) rootView.findViewById(R.id.magStatus);
magHeader = (TextView) rootView.findViewById(R.id.magHeader);
magX = (TextView) rootView.findViewById(R.id.magX);
magY = (TextView) rootView.findViewById(R.id.magY);
magZ = (TextView) rootView.findViewById(R.id.magZ);
magTotal = (TextView) rootView.findViewById(R.id.magTotal);
orStatus = (TextView) rootView.findViewById(R.id.orStatus);
orHeader = (TextView) rootView.findViewById(R.id.orHeader);
orAzimuth = (TextView) rootView.findViewById(R.id.orAzimuth);
orAziText = (TextView) rootView.findViewById(R.id.orAziText);
orPitch = (TextView) rootView.findViewById(R.id.orPitch);
orRoll = (TextView) rootView.findViewById(R.id.orRoll);
miscHeader = (TextView) rootView.findViewById(R.id.miscHeader);
tempStatus = (TextView) rootView.findViewById(R.id.tempStatus);
tempHeader = (TextView) rootView.findViewById(R.id.tempHeader);
metTemp = (TextView) rootView.findViewById(R.id.metTemp);
pressureStatus = (TextView) rootView.findViewById(R.id.pressureStatus);
pressureHeader = (TextView) rootView.findViewById(R.id.pressureHeader);
metPressure = (TextView) rootView.findViewById(R.id.metPressure);
humidStatus = (TextView) rootView.findViewById(R.id.humidStatus);
humidHeader = (TextView) rootView.findViewById(R.id.humidHeader);
metHumid = (TextView) rootView.findViewById(R.id.metHumid);
lightStatus = (TextView) rootView.findViewById(R.id.lightStatus);
lightHeader = (TextView) rootView.findViewById(R.id.lightHeader);
light = (TextView) rootView.findViewById(R.id.light);
proximityStatus = (TextView) rootView.findViewById(R.id.proximityStatus);
proximityHeader = (TextView) rootView.findViewById(R.id.proximityHeader);
proximity = (TextView) rootView.findViewById(R.id.proximity);
mainActivity.sensorSectionFragment = this;
return rootView;
}
@Override
public void onDestroyView() {
super.onDestroyView();
if (mainActivity.sensorSectionFragment == this)
mainActivity.sensorSectionFragment = null;
}
/**
* Called by {@link MainActivity} when a sensor's reading changes. Updates sensor display.
*/
public void onSensorChanged(SensorEvent event) {
switch (event.sensor.getType()) {
case Sensor.TYPE_ACCELEROMETER:
accX.setText(String.format("%." + mAccSensorRes + "f", event.values[0]));
accY.setText(String.format("%." + mAccSensorRes + "f", event.values[1]));
accZ.setText(String.format("%." + mAccSensorRes + "f", event.values[2]));
accTotal.setText(String.format("%." + mAccSensorRes + "f", Math.sqrt(Math.pow(event.values[0], 2) + Math.pow(event.values[1], 2) + Math.pow(event.values[2], 2))));
accStatus.setTextColor(getResources().getColor(accuracyToColor(event.accuracy)));
break;
case Sensor.TYPE_ORIENTATION:
orAzimuth.setText(String.format("%.0f%s", event.values[0], getString(R.string.unit_degree)));
orAziText.setText(MainActivity.formatOrientation(this.getContext(), event.values[0]));
orPitch.setText(String.format("%.0f%s", event.values[1], getString(R.string.unit_degree)));
orRoll.setText(String.format("%.0f%s", event.values[2], getString(R.string.unit_degree)));
orStatus.setTextColor(getResources().getColor(accuracyToColor(event.accuracy)));
break;
case Sensor.TYPE_GYROSCOPE:
rotX.setText(String.format("%." + mGyroSensorRes + "f", event.values[0]));
rotY.setText(String.format("%." + mGyroSensorRes + "f", event.values[1]));
rotZ.setText(String.format("%." + mGyroSensorRes + "f", event.values[2]));
rotTotal.setText(String.format("%." + mGyroSensorRes + "f", Math.sqrt(Math.pow(event.values[0], 2) + Math.pow(event.values[1], 2) + Math.pow(event.values[2], 2))));
rotStatus.setTextColor(getResources().getColor(accuracyToColor(event.accuracy)));
break;
case Sensor.TYPE_MAGNETIC_FIELD:
magX.setText(String.format("%." + mMagSensorRes + "f", event.values[0]));
magY.setText(String.format("%." + mMagSensorRes + "f", event.values[1]));
magZ.setText(String.format("%." + mMagSensorRes + "f", event.values[2]));
magTotal.setText(String.format("%." + mMagSensorRes + "f", Math.sqrt(Math.pow(event.values[0], 2) + Math.pow(event.values[1], 2) + Math.pow(event.values[2], 2))));
magStatus.setTextColor(getResources().getColor(accuracyToColor(event.accuracy)));
break;
case Sensor.TYPE_LIGHT:
light.setText(String.format("%." + mLightSensorRes + "f", event.values[0]));
lightStatus.setTextColor(getResources().getColor(accuracyToColor(event.accuracy)));
break;
case Sensor.TYPE_PROXIMITY:
proximity.setText(String.format("%." + mProximitySensorRes + "f", event.values[0]));
proximityStatus.setTextColor(getResources().getColor(accuracyToColor(event.accuracy)));
break;
case Sensor.TYPE_PRESSURE:
metPressure.setText(String.format("%." + mPressureSensorRes + "f", event.values[0]));
pressureStatus.setTextColor(getResources().getColor(accuracyToColor(event.accuracy)));
break;
case Sensor.TYPE_RELATIVE_HUMIDITY:
metHumid.setText(String.format("%." + mHumiditySensorRes + "f", event.values[0]));
humidStatus.setTextColor(getResources().getColor(accuracyToColor(event.accuracy)));
break;
case Sensor.TYPE_AMBIENT_TEMPERATURE:
metTemp.setText(String.format("%." + mTempSensorRes + "f", event.values[0]));
tempStatus.setTextColor(getResources().getColor(accuracyToColor(event.accuracy)));
break;
}
}
}
