Beschleunigungssensor: Kommentar mit shared Preferences

app/src/main/AndroidManifest.xml

@@ -10,22 +10,7 @@
         android:supportsRtl="true"
         android:theme="@style/Theme.GreenWatch">
         <activity
-            android:name=".ConnectionActivity"
-            android:exported="false" />
-        <activity
-            android:name=".VideodetectionAndAccelerometerActivity"
-            android:exported="false" />
-        <activity
-            android:name=".AudiodetectionAndAccelerometerActivity"
-            android:exported="false" />
-        <activity
-            android:name=".VideodetectionActivity"
-            android:exported="false" />
-        <activity
-            android:name=".AudiodetectionActivity"
-            android:exported="false" />
-        <activity
-            android:name=".AccelerometerActivity"
+            android:name=".Beschleunigungssensor"
             android:exported="false" />
         <activity
             android:name=".MainActivity"

app/src/main/java/com/example/greenwatch/AccelerometerActivity.java

@@ -1,28 +0,0 @@
-package com.example.greenwatch;
-
-import androidx.appcompat.app.AppCompatActivity;
-
-import android.os.Bundle;
-import android.view.View;
-import android.widget.Button;
-
-public class AccelerometerActivity extends AppCompatActivity {
-
-    private Button backToMainActivityButton;
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_accelerometer);
-
-        backToMainActivityButton = (Button) findViewById(R.id.accelerometerBackToMainActivity);
-
-        backToMainActivityButton.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                finish();
-            }
-        });
-    }
-
-}

app/src/main/java/com/example/greenwatch/AudiodetectionActivity.java

@@ -1,27 +0,0 @@
-package com.example.greenwatch;
-
-import androidx.appcompat.app.AppCompatActivity;
-
-import android.os.Bundle;
-import android.view.View;
-import android.widget.Button;
-
-public class AudiodetectionActivity extends AppCompatActivity {
-
-    private Button backToMainActivityButton;
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_audiodetection);
-
-        backToMainActivityButton = (Button) findViewById(R.id.audiodetectorBackToMainActivity);
-
-        backToMainActivityButton.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                finish();
-            }
-        });
-    }
-}

app/src/main/java/com/example/greenwatch/AudiodetectionAndAccelerometerActivity.java

@@ -1,27 +0,0 @@
-package com.example.greenwatch;
-
-import androidx.appcompat.app.AppCompatActivity;
-
-import android.os.Bundle;
-import android.view.View;
-import android.widget.Button;
-
-public class AudiodetectionAndAccelerometerActivity extends AppCompatActivity {
-
-    private Button backToMainActivity;
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_audiodetection_and_accelerometer);
-
-        backToMainActivity = (Button) findViewById(R.id.audiodetectionAndAccelerometerBackToMainActivity);
-
-        backToMainActivity.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                finish();
-            }
-        });
-    }
-}

app/src/main/java/com/example/greenwatch/Beschleunigungssensor.java

@@ -1,4 +1,188 @@
 package com.example.greenwatch;
 
-public class Beschleunigungssensor {
-}
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.hardware.Sensor;
+import android.hardware.SensorEvent;
+import android.hardware.SensorEventListener;
+import android.hardware.SensorManager;
+import android.os.Bundle;
+import android.widget.TextView;
+
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Date;
+
+public class Beschleunigungssensor extends AppCompatActivity implements SensorEventListener{
+
+    private SensorManager bsmanager;
+    private ArrayList<Float> Gesamt_be;
+    private int sensorType = Sensor.TYPE_GYROSCOPE, zaehler_runde =0, listen_groesse = 500, kalibrieren, Offset_shared = 0, shared_merk, mittelwertsumme_shared;
+    private Sensor sens, sensor_l;
+    private float x_value = 0, y_value, z_value, Vorbesetzung = 0, gesamt_runde =0;
+    private double Schwellwert = 0.15, mittelwertsumme = 0.0, Offset = 0.1;
+    String Daten, Warnung, Zeitstempel, Array_shared;
+    private final static String KEY_kalibirieren = "KEY_KALIBRIEREN_"+Beschleunigungssensor.class.getSimpleName();
+    private final static String KEY_Gesamt_be = "KEY_GESAMT_BE_"+Beschleunigungssensor.class.getSimpleName();
+    private final static String KEY_Offset = "KEY_OFFSET_"+Beschleunigungssensor.class.getSimpleName();
+    private final static String KEY_Mittelwertsumme = "KEY_MITTELWERTSUMME_"+Beschleunigungssensor.class.getSimpleName();
+    TextView Daten_Bsensor, Warnung_Bsensor, test;
+    private boolean toggle = true, ts_setzen = true, start_messen;
+
+
+    @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);
+        }
+        Gesamt_be = new ArrayList<Float>();
+        for (int i = 0; i < listen_groesse ; i++){
+            Gesamt_be.add(Vorbesetzung);
+        }
+        kalibrieren = 0;
+        start_messen = false;
+    }
+
+    public static String getTimestamp(){
+        Long tslong = System.currentTimeMillis();
+        SimpleDateFormat sdf = new SimpleDateFormat("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("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 < listen_groesse){
+            Offset = mittelwertsumme;
+            kalibrieren++;
+        }else {
+            start_messen = true;
+        }
+        StringBuilder testsb = new StringBuilder();
+        testsb.append(mittelwertsumme);
+        String tests = testsb.toString();
+        test.setText(tests);
+
+        if((mittelwertsumme > (Schwellwert+Offset) ) & (ts_setzen == true) &(start_messen == true)){
+            Zeitstempel = getTimestamp();
+            StringBuilder ts = new StringBuilder();
+            ts.append(Zeitstempel)
+                    .append(", Gruppe3")
+                    .append(", An")
+                    .append(", Bewegung, ")
+                    .append(mittelwertsumme);
+            Warnung = ts.toString();
+            Warnung_Bsensor.setText(Warnung);
+            ts_setzen = false;
+        }else if((mittelwertsumme > (Schwellwert+Offset)) & (ts_setzen == false)){
+        } else if ((mittelwertsumme < (Schwellwert+Offset)) & (ts_setzen == false)) {
+            Warnung_Bsensor.setText("");
+            ts_setzen = true;
+        }
+
+        if (zaehler_runde < (listen_groesse -1)){
+            zaehler_runde++;
+        }else {
+            zaehler_runde = 0;
+        }
+    }
+    //mittelwertsumme ist kein int in diesem programm
+    //shared prefenrences: bei Kippen speichern -> nochmal neu klalibrieren? -> eig ja, weil neuer Standort
+    //Vorbelegung nicht nochmal neu vornehmen -> aus onCreate Funktion raus -> hilfsvariablen auch in shared preferences speichern
+    @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";
+            }
+        }
+        //SharedPreferences p = getPreferences(Context.MODE_PRIVATE);
+        //mittelwertsumme_shared = p.getInt(KEY_Mittelwertsumme, 0);
+        //kalibrieren = p.getInt(KEY_kalibirieren, 0);
+        //Offset_shared = p.getInt(KEY_Offset, 0 );
+        //Array_shared = p.getString(KEY_Gesamt_be, "");
+
+        //mittelwertsumme = (double) mittelwertsumme_shared;
+        //mittelwertsumme /= 1000000.0;
+
+        //Offset = (double) Offset_shared;
+        //Offset /= 1000000.0;
+
+        //String zw[] = Array_shared.split(";", listen_groesse);
+
+        //if(shared_merk == 2){
+        //for (int i=0; i<listen_groesse; i++){
+        //float wert = Float.valueOf(zw[i]);
+        //Gesamt_be.add(i, wert);
+        //}}
+
+        }
+
+
+        @Override
+        protected void onPause () {
+            super.onPause();
+            if (sens != null) {
+                bsmanager.unregisterListener(this, sens);
+            }
+            //shared_merk = 2;
+            // Offset_shared = (int) (Offset * 1000000.0);
+            //mittelwertsumme_shared = (int) (mittelwertsumme * 1000000.0);
+
+            //StringBuilder ar = new StringBuilder();
+            //for (int z=0; z < listen_groesse; z++){
+            //ar.append(Gesamt_be.get(z)).append(";");
+            //}
+            //Array_shared = ar.toString();
+
+            //SharedPreferences p = getPreferences(Context.MODE_PRIVATE);
+            //SharedPreferences.Editor editor = p.edit();
+            //editor.putInt(KEY_Mittelwertsumme, mittelwertsumme_shared);
+            //editor.putInt(KEY_kalibirieren, kalibrieren);
+            //editor.putInt(KEY_Offset, Offset_shared);
+            //editor.putString(KEY_Gesamt_be, Array_shared);
+            //editor.commit();
+        }
+    }

app/src/main/java/com/example/greenwatch/ConnectionActivity.java

@@ -1,27 +0,0 @@
-package com.example.greenwatch;
-
-import androidx.appcompat.app.AppCompatActivity;
-
-import android.os.Bundle;
-import android.view.View;
-import android.widget.Button;
-
-public class ConnectionActivity extends AppCompatActivity {
-
-    private Button backToMainActivity;
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_connection);
-
-        backToMainActivity = (Button) findViewById(R.id.connectionBackToMainActivity);
-
-        backToMainActivity.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                finish();
-            }
-        });
-    }
-}

app/src/main/java/com/example/greenwatch/MainActivity.java

@@ -2,91 +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 audiodetectionButton;
-    private Button videodetectionButton;
-    private Button accelerometerButton;
-    private Button audiodetectionAndAccelerometerButton;
-    private Button videodetectionAndAccelerometerButton;
-    private Button connectionButton;
+    private Button Beschleunigungssensor;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
 
-        audiodetectionButton = (Button) findViewById(R.id.audiodetectionButton);
-        videodetectionButton = (Button) findViewById(R.id.videodetectionButton);
-        accelerometerButton = (Button) findViewById(R.id.accelerometerButton);
-        audiodetectionAndAccelerometerButton = (Button) findViewById(R.id.audiodetectionAndAccelerometerButton);
-        videodetectionAndAccelerometerButton = (Button) findViewById(R.id.videodetectionAndAccelerometerButton);
-        connectionButton = (Button) findViewById(R.id.connectionButton);
-        audiodetectionButton.setOnClickListener(new View.OnClickListener() {
+        final Button Beschleunigungssensor = (Button) findViewById(R.id.beschleunigungssensor);
+        Beschleunigungssensor.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                openAudiodetectionActivity();
+                Intent intent = new Intent(MainActivity.this, Beschleunigungssensor.class);
+                startActivity(intent);
             }
         });
-        videodetectionButton.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                openVideodetectionActivity();
-            }
-        });
-        accelerometerButton.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                openAccelerometerActivity();
-            }
-        });
-        audiodetectionAndAccelerometerButton.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                openAudiodetectionAndAccelerometerActivity();
-            }
-        });
-        videodetectionAndAccelerometerButton.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                openVideodetectionAndAccelerometerActivity();
-            }
-        });
-        connectionButton.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                openConnectionActivity();
-            }
-        });
-    }
-    public void openAudiodetectionActivity(){
-        Intent intent = new Intent(this, AudiodetectionActivity.class);
-        startActivity(intent);
-    }
-    public void openVideodetectionActivity(){
-        Intent intent =  new Intent(this, VideodetectionActivity.class);
-        startActivity(intent);
-    }
-    public void openAccelerometerActivity(){
-        Intent intent = new Intent(this, AccelerometerActivity.class);
-        startActivity(intent);
-    }
-    public void openAudiodetectionAndAccelerometerActivity(){
-        Intent intent = new Intent(this, AudiodetectionAndAccelerometerActivity.class);
-        startActivity(intent);
-    }
-    public void openVideodetectionAndAccelerometerActivity(){
-        Intent intent = new Intent(this, VideodetectionAndAccelerometerActivity.class);
-        startActivity(intent);
-    }
-    public void openConnectionActivity(){
-        Intent intent = new Intent(this, ConnectionActivity.class);
-        startActivity(intent);
     }
 
+    @Override
+    protected void onResume() {
+        super.onResume();
+    }
+
+
+    @Override
+    protected void onPause() {
+        super.onPause();
+    }
 }

app/src/main/java/com/example/greenwatch/VideodetectionActivity.java

@@ -1,27 +0,0 @@
-package com.example.greenwatch;
-
-import androidx.appcompat.app.AppCompatActivity;
-
-import android.os.Bundle;
-import android.view.View;
-import android.widget.Button;
-
-public class VideodetectionActivity extends AppCompatActivity {
-
-    private Button backToMainActivity;
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_videodetection);
-
-        backToMainActivity = (Button) findViewById(R.id.videodetectorBackToMainActivity);
-
-        backToMainActivity.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                finish();
-            }
-        });
-    }
-}

app/src/main/java/com/example/greenwatch/VideodetectionAndAccelerometerActivity.java

@@ -1,27 +0,0 @@
-package com.example.greenwatch;
-
-import androidx.appcompat.app.AppCompatActivity;
-
-import android.os.Bundle;
-import android.view.View;
-import android.widget.Button;
-
-public class VideodetectionAndAccelerometerActivity extends AppCompatActivity {
-
-    private Button backToMainActivity;
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_videodetection_and_accelerometer);
-
-        backToMainActivity = (Button) findViewById(R.id.videodetectionAndAccelerometerBackToMainActivity);
-
-        backToMainActivity.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                finish();
-            }
-        });
-    }
-}

app/src/main/java/com/example/greenwatch/mvc/Device.java

@@ -1,29 +0,0 @@
-package com.example.greenwatch.mvc;
-
-
-public class Device {
-
-    private String sensor;
-    private Boolean isActive;
-
-    public Device(String Sensor, Boolean Status) {
-        this.sensor = Sensor;
-        this.isActive = Status;
-    }
-
-    public void setSensor(String Sensor) {
-        this.sensor = Sensor;
-    }
-
-    public String getSensor() {
-        return sensor;
-    }
-
-    public void setIsActive(Boolean Status) {
-        this.isActive = Status;
-    }
-
-    public Boolean getIsActive() {
-        return isActive;
-    }
-}

app/src/main/java/com/example/greenwatch/mvc/DeviceController.java

@@ -1,33 +0,0 @@
-package com.example.greenwatch.mvc;
-
-public class DeviceController {
-
-    private DeviceModel deviceModel;
-    private DeviceView deviceView;
-
-    public DeviceController(DeviceView view) {
-        this.deviceModel = DeviceModel.getInstance();
-        this.deviceView = view;
-    }
-
-    public void createDevice(String Sensor, Boolean Status) {
-        Device device = new Device(Sensor, Status);
-        deviceModel.addDevice(device);
-        // todo: Inform view and sender about changes
-    }
-    public void setDeviceSensor(String UUID, String Sensor) {
-       deviceModel.setDeviceSensor(UUID, Sensor);
-    }
-
-    public String  getDeviceSensor(String UUID) {
-        return deviceModel.getDeviceSensor(UUID);
-    }
-
-    public void setDeviceStatus(String UUID, Boolean Status) {
-        deviceModel.setDeviceStatus(UUID, Status);
-    }
-
-    public Boolean getDeviceStatus(String UUID) {
-        return deviceModel.getDeviceStatus(UUID);
-    }
-}

app/src/main/java/com/example/greenwatch/mvc/DeviceModel.java

@@ -1,47 +0,0 @@
-package com.example.greenwatch.mvc;
-
-import java.util.Vector;
-
-public class DeviceModel {
-    private static DeviceModel itemModelInstance;
-    // todo: should be a hashmap with UUID Keys
-    private Vector<Device> connectetDevicesList;
-
-    private DeviceModel() {
-        connectetDevicesList = new Vector<Device>();
-    }
-
-    public static synchronized DeviceModel getInstance() {
-        if (itemModelInstance == null){
-            itemModelInstance = new DeviceModel();
-        }
-        return itemModelInstance;
-    }
-
-    public void addDevice(Device device) {
-        // todo: Check if divece already exist
-        connectetDevicesList.add(device);
-    }
-
-    public Vector<Device> getConnectetDevicesList() {
-        return connectetDevicesList;
-    }
-
-    public void setDeviceSensor(String UUID, String Sensor) {
-        // todo: iterate through HashMap and find Divece for UUID
-    }
-
-    public String  getDeviceSensor(String UUID) {
-        // todo: iterate through HashMap and find Divece for UUID
-        return "hasToBeDone";
-    }
-
-    public void setDeviceStatus(String UUID, Boolean Status) {
-        // todo: iterate through HashMap and find Divece for UUID
-    }
-
-    public Boolean getDeviceStatus(String UUID) {
-        // todo: iterate through HashMap and find Divece for UUID
-        return false;
-    }
-}

app/src/main/java/com/example/greenwatch/mvc/DeviceView.java

@@ -1,10 +0,0 @@
-package com.example.greenwatch.mvc;
-
-import java.util.Vector;
-
-public class DeviceView {
-
-    public void updateView(Vector<Device> deviceVector) {
-        // todo: what should be displayed
-    }
-}

app/src/main/res/layout/activity_accelerometer.xml

@@ -1,25 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout 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"
-    android:orientation="vertical"
-    android:padding="10dp"
-    tools:context=".AccelerometerActivity">
-
-    <TextView
-        android:id="@+id/tvAccelerometerStatusmessage"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:text="Accelerometer Activity">
-    </TextView>
-
-    <Button
-        android:id="@+id/accelerometerBackToMainActivity"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:text="Back to MainActivity">
-    </Button>
-
-</LinearLayout>

app/src/main/res/layout/activity_audiodetection.xml

@@ -1,25 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout 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"
-    android:orientation="vertical"
-    android:padding="10dp"
-    tools:context=".AudiodetectionActivity">
-
-    <TextView
-        android:id="@+id/tvAudiodetectionStatusmessage"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:text="Audiodetection Activity">
-    </TextView>
-
-    <Button
-        android:id="@+id/audiodetectorBackToMainActivity"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:text="Back to MainActivity">
-    </Button>
-
-</LinearLayout>

app/src/main/res/layout/activity_audiodetection_and_accelerometer.xml

@@ -1,25 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout 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"
-    android:orientation="vertical"
-    android:padding="10dp"
-    tools:context=".AudiodetectionAndAccelerometerActivity">
-
-    <TextView
-        android:id="@+id/tvAudiodetectionAndAccelerometerStatusmessage"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:text="Audiodetection + Accelerometer Activity">
-    </TextView>
-
-    <Button
-        android:id="@+id/audiodetectionAndAccelerometerBackToMainActivity"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:text="Back to MainActivity">
-    </Button>
-
-</LinearLayout>

app/src/main/res/layout/activity_beschleunigungssensor.xml

@@ -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>

app/src/main/res/layout/activity_connection.xml

@@ -1,25 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout 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"
-    android:orientation="vertical"
-    android:padding="10dp"
-    tools:context=".ConnectionActivity">
-
-    <TextView
-        android:id="@+id/tvConnectionStatusmessage"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:text="Connection Activity">
-    </TextView>
-
-    <Button
-        android:id="@+id/connectionBackToMainActivity"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:text="Back to MainActivity">
-    </Button>
-
-</LinearLayout>

app/src/main/res/layout/activity_main.xml

@@ -1,75 +1,47 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<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"
-    android:orientation="vertical"
-    android:padding="10dp"
     tools:context=".MainActivity">
 
-    <TextView
-        android:id="@+id/tvStatusmessage"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:text="Hello World!"
-        android:layout_weight="1">
-    </TextView>
-    
     <LinearLayout
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        android:orientation="vertical"
-        android:layout_weight="1">
+        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/audiodetectionButton"
+            android:id="@+id/beschleunigungssensor"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:text="Audiodetection">
-        </Button>
+            android:text="Beschleunigungssensor" />
 
         <Button
-            android:id="@+id/videodetectionButton"
+            android:id="@+id/aufnahme"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:text="Videodetection">
-        </Button>
+            android:text="Aufnahme Start" />
 
         <Button
-            android:id="@+id/accelerometerButton"
+            android:id="@+id/wiedergabe"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:text="Accelerometer">
-        </Button>
-
-        <Button
-            android:id="@+id/audiodetectionAndAccelerometerButton"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:text="Audiodetection + Accelerometer">
-        </Button>
-
-        <Button
-            android:id="@+id/videodetectionAndAccelerometerButton"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:text="Videodetection + Accelerometer">
-        </Button>
-
-        <Button
-            android:id="@+id/connectionButton"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:text="Connect to Devices">
-        </Button>
-
+            android:text="Wiedergabe" />
     </LinearLayout>
 
-</LinearLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/activity_videodetection.xml

@@ -1,25 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout 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"
-    android:orientation="vertical"
-    android:padding="10dp"
-    tools:context=".VideodetectionActivity">
-
-    <TextView
-        android:id="@+id/tvVideodetectionStatusmessage"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:text="Videodetection Activity">
-    </TextView>
-
-    <Button
-        android:id="@+id/videodetectorBackToMainActivity"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:text="Back to MainActivity">
-    </Button>
-
-</LinearLayout>

app/src/main/res/layout/activity_videodetection_and_accelerometer.xml

@@ -1,25 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout 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"
-    android:orientation="vertical"
-    android:padding="10dp"
-    tools:context=".VideodetectionAndAccelerometerActivity">
-
-    <TextView
-        android:id="@+id/tvVideodetectionAndAccelerometerStatusmessage"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:text="Videodetection + Accelerometer Activity">
-    </TextView>
-
-    <Button
-        android:id="@+id/videodetectionAndAccelerometerBackToMainActivity"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:text="Back to MainActivity">
-    </Button>
-
-</LinearLayout>