Beschleunigungssensor: Kommentar mit shared Preferences

app/src/main/AndroidManifest.xml

@@ -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">

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/MainActivity.java

@@ -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();
     }
 }

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_main.xml

@@ -6,13 +6,42 @@
     android:layout_height="match_parent"
     tools:context=".MainActivity">
 
+    <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="Hello World!"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintLeft_toLeftOf="parent"
-        app:layout_constraintRight_toRightOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+            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>