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Beschleunigungssensor: Gyroscope und kalibrierung

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This commit is contained in:
Franziska Bausewein 2023-06-04 11:32:55 +02:00
parent 4c0c4416fc
commit a111765677
5 changed files with 211 additions and 28 deletions
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3
app/src/main/AndroidManifest.xml
View File

@ -9,6 +9,9 @@
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/Theme.GreenWatch">
<activity
android:name=".Beschleunigungssensor"
android:exported="false" />
<activity
android:name=".MainActivity"
android:exported="true">

132
app/src/main/java/com/example/greenwatch/Beschleunigungssensor.java
View File

@ -1,47 +1,139 @@
package com.example.greenwatch;
import android.content.Context;
import androidx.appcompat.app.AppCompatActivity;
import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
import android.hardware.SensorManager;
import android.os.Bundle;
import androidx.appcompat.app.AppCompatActivity;
import android.widget.TextView;
public class Beschleunigungssensor extends AppCompatActivity implements SensorEventListener {
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
public class Beschleunigungssensor extends AppCompatActivity implements SensorEventListener{
private SensorManager bsmanager;
private int sensorType = Sensor.TYPE_ACCELEROMETER;
private Sensor Beschleunigungssensor;
private ArrayList<Float> Gesamt_be;
private int sensorType = Sensor.TYPE_GYROSCOPE, zaehler_runde =0, listen_groesse = 10000;
private Sensor sens, sensor_l;
private float x_value = 0, y_value, z_value, Vorbesetzung = 0, gesamt_runde =0;
private double Schwellwert = 0.5, mittelwertsumme = 0.0, Offset;
String Daten, Warnung, Zeitstempel;
TextView Daten_Bsensor, Warnung_Bsensor, test;
private boolean toggle = true, ts_setzen = true, kalibrieren;
public Beschleunigungssensor() {
bsmanager = (SensorManager)getSystemService(Context.SENSOR_SERVICE);
if(bsmanager.getSensorList(sensorType).size()==0)
{
//logger.log("Es gibt den gewünschten Sensor
//nicht");
Beschleunigungssensor = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_beschleunigungssensor);
Daten_Bsensor = (TextView) findViewById(R.id.DatenBsensor);
Warnung_Bsensor = (TextView) findViewById(R.id.WarnungBsensor);
test = (TextView) findViewById(R.id.test);
bsmanager = (SensorManager) getSystemService(SENSOR_SERVICE);
if (bsmanager.getSensorList(Sensor.TYPE_GYROSCOPE).size() == 0) {
sens = null;
Daten = "kein B Sensor voranden";
} else {
sens = bsmanager.getSensorList(sensorType).get(0);
}
else
{
Beschleunigungssensor = bsmanager.getSensorList(sensorType).get(0);
Gesamt_be = new ArrayList<Float>();
for (int i = 0; i < listen_groesse; i++){
Gesamt_be.add(Vorbesetzung);
}
kalibrieren = true;
}
public static String getTimestamp(){
Long tslong = System.currentTimeMillis();
SimpleDateFormat sdf = new SimpleDateFormat("dd-MM-yyyy, HH:mm:ss");
Date date = new Date(tslong);
String result = sdf.format(date);
return result;
}
@Override
public void onSensorChanged(SensorEvent event) {
StringBuilder sb = new StringBuilder();
sb.append("t=").append(event.timestamp)
.append("\nx=").append(event.values[0])
sb.append("x=").append(event.values[0])//.append(event.timestamp)
.append("\ny=").append(event.values[1])
.append("\nz=").append(event.values[2]);
Daten = sb.toString();
Daten_Bsensor.setText(Daten);
gesamt_runde = event.values[0] + event.values[1] + event.values[2];
Gesamt_be.remove(zaehler_runde);
Gesamt_be.add(zaehler_runde, gesamt_runde);
mittelwertsumme = 0.0;
//Mittelwert des Arrays berechnen
for (int i = 0; i < listen_groesse; i++){
if (Gesamt_be.get(i) < 0){
mittelwertsumme += (Gesamt_be.get(i) * (-1));
}else {
mittelwertsumme += Gesamt_be.get(i);
}
}
mittelwertsumme = mittelwertsumme/listen_groesse;
if (kalibrieren == true){
Offset = mittelwertsumme;
kalibrieren = false;
}
mittelwertsumme = mittelwertsumme - Offset;
StringBuilder testsb = new StringBuilder();
testsb.append(mittelwertsumme);
String tests = testsb.toString();
test.setText(tests);
if((mittelwertsumme > Schwellwert ) & (ts_setzen == true)){
Zeitstempel = getTimestamp();
StringBuilder ts = new StringBuilder();
ts.append("Warnung: ")
.append(Zeitstempel)
.append("\n")
.append(mittelwertsumme);
Warnung = ts.toString();
Warnung_Bsensor.setText(Warnung);
ts_setzen = false;
}else if((mittelwertsumme > Schwellwert) & (ts_setzen == false)){
} else if ((mittelwertsumme < Schwellwert) & (ts_setzen == false)) {
Warnung_Bsensor.setText("");
ts_setzen = true;
}
if (zaehler_runde < (listen_groesse -1)){
zaehler_runde++;
}else {
zaehler_runde = 0;
}
}
//Einstellen um bei Pausen keine Werte zu speichern -> höhere Priorität auf großen Bewegungen
//Vektor verlängern um Pausen geringer zu gewichten
//Kalibrierung: Vektor einmal füllen -> Durchschnitt berechnen,
//bei Schwellwert Ruhe Erwartungswert abziehen
@Override
public void onAccuracyChanged(Sensor sensor, int accuracy) {}
@Override
protected void onResume() {
super.onResume();
if (sens != null) {
if (bsmanager.registerListener(this, sens, SensorManager.SENSOR_DELAY_GAME)) {
Daten = "Wir haben uns beim Sensor angemeldet";
} else {
Daten = "Das anmelden hat nicht geklappt";
}
}
}
@Override
public void onAccuracyChanged(Sensor sensor, int accuracy) {}
// if Abfrage ob values sich verändert haben
}
protected void onPause() {
super.onPause();
if (sens != null) {
bsmanager.unregisterListener(this, sens);
}
}
}

27
app/src/main/java/com/example/greenwatch/MainActivity.java
View File

@ -2,13 +2,40 @@ package com.example.greenwatch;
import androidx.appcompat.app.AppCompatActivity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
public class MainActivity extends AppCompatActivity {
private Button Beschleunigungssensor;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
final Button Beschleunigungssensor = (Button) findViewById(R.id.beschleunigungssensor);
Beschleunigungssensor.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(MainActivity.this, Beschleunigungssensor.class);
startActivity(intent);
}
});
}
@Override
protected void onResume() {
super.onResume();
}
@Override
protected void onPause() {
super.onPause();
}
}

32
app/src/main/res/layout/activity_beschleunigungssensor.xml Normal file
View File

@ -0,0 +1,32 @@
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".Beschleunigungssensor">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<TextView
android:id="@+id/DatenBsensor"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="" />
<TextView
android:id="@+id/WarnungBsensor"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="" />
<TextView
android:id="@+id/test"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="" />
</LinearLayout>
</androidx.constraintlayout.widget.ConstraintLayout>

45
app/src/main/res/layout/activity_main.xml
View File

@ -6,13 +6,42 @@
android:layout_height="match_parent"
tools:context=".MainActivity">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Hello World!"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<TextView
android:id="@+id/textView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="TextView"
tools:layout_editor_absoluteX="171dp"
tools:layout_editor_absoluteY="186dp" />
<TextView
android:id="@+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="TextView" />
<Button
android:id="@+id/beschleunigungssensor"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Beschleunigungssensor" />
<Button
android:id="@+id/aufnahme"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Aufnahme Start" />
<Button
android:id="@+id/wiedergabe"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Wiedergabe" />
</LinearLayout>
</androidx.constraintlayout.widget.ConstraintLayout>