[JAVA] Eine Anwendung, die den Wert des Beschleunigungssensors durch UDP-Kommunikation zwischen C # und Android erfasst
Grober Inhalt
Hier wird der Wert des Beschleunigungssensors von Android in C # erfasst und erstellt, um zu erkennen, wie sich das Android-Terminal um den Wert bewegt.
Android-Anwendung
In dieser Anwendung werden die Werte des dreiachsigen Beschleunigungssensors (X, Y, Z) per UDP-Kommunikation gesendet. Um zu verstehen, in welche Achsenrichtung das Terminal zeigt, haben wir es so erstellt, dass der Ton zu hören ist, wenn jede Achse einen bestimmten Wert überschreitet.
Anwendungs-GUI
Für ASUS Tab K013
Quellcode
Fügen Sie der Androidmanifest.xml Folgendes hinzu, da die Socket-Kommunikation durchgeführt wird.
Androidmanifest.xml
<uses-permission android:name="android.permission.INTERNET"></uses-permission>
Um Bild- und Audiodateien zu verarbeiten, erstellen Sie als Nächstes in der App zeichnbare und rohe Res und fügen Sie die Bild- und Audiodaten darin ein.
app
└res
├drawable
│ ├en.jpg
│ ├en_gleen.jpg
│ └en_red.jpg
└raw
├xjikum.mp3
├xjikup.mp3
├yjikum.mp3
├yjikup.mp3
├zjikum.mp3
└zjikup.mp3
activity_main.xml
<EditText
android:id="@+id/IP_Address"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginTop="52dp"
android:layout_marginEnd="16dp"
android:ems="10"
android:inputType="textPersonName"
android:text="0.0.0.0"
android:textSize="24sp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<EditText
android:id="@+id/Port"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginTop="48dp"
android:layout_marginEnd="16dp"
android:ems="10"
android:inputType="textPersonName"
android:text="8080"
android:textSize="24sp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/IP_Address" />
<TextView
android:id="@+id/textView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginTop="280dp"
android:text="X:"
android:textSize="32sp"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<TextView
android:id="@+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginTop="24dp"
android:text="Y:"
android:textSize="32sp"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/textView" />
<TextView
android:id="@+id/textView3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginTop="24dp"
android:text="Z:"
android:textSize="32sp"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/textView2" />
<TextView
android:id="@+id/X_Data"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="280dp"
android:text="TextView"
android:textSize="32sp"
app:layout_constraintStart_toEndOf="@+id/textView"
app:layout_constraintTop_toTopOf="parent" />
<TextView
android:id="@+id/Y_Data"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="24dp"
android:text="TextView"
android:textSize="32sp"
app:layout_constraintStart_toEndOf="@+id/textView2"
app:layout_constraintTop_toBottomOf="@+id/X_Data" />
<TextView
android:id="@+id/Z_Data"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="24dp"
android:text="TextView"
android:textSize="32sp"
app:layout_constraintStart_toEndOf="@+id/textView3"
app:layout_constraintTop_toBottomOf="@+id/Y_Data" />
<TextView
android:id="@+id/textView7"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginTop="230dp"
android:text="Wert des Beschleunigungssensors"
android:textSize="32sp"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<Button
android:id="@+id/Ran"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="87dp"
android:layout_marginLeft="87dp"
android:layout_marginBottom="70dp"
android:text="Starten Sie die Kommunikation"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toStartOf="parent" />
<TextView
android:id="@+id/textView4"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginLeft="16dp"
android:layout_marginBottom="8dp"
android:text="IP Adresse"
android:textSize="24sp"
app:layout_constraintBottom_toTopOf="@+id/IP_Address"
app:layout_constraintStart_toStartOf="parent" />
<TextView
android:id="@+id/textView5"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginLeft="16dp"
android:layout_marginBottom="8dp"
android:text="Port-Nummer"
android:textSize="24sp"
app:layout_constraintBottom_toTopOf="@+id/Port"
app:layout_constraintStart_toStartOf="parent" />
<Button
android:id="@+id/End"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="87dp"
android:layout_marginRight="87dp"
android:layout_marginBottom="70dp"
android:text="Kommunikationsstornierung"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent" />
<ImageView
android:id="@+id/LED1"
android:layout_width="75dp"
android:layout_height="75dp"
android:layout_marginStart="100dp"
android:layout_marginLeft="100dp"
android:layout_marginBottom="150dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:srcCompat="@drawable/en" />
<ImageView
android:id="@+id/LED2"
android:layout_width="75dp"
android:layout_height="75dp"
android:layout_marginEnd="100dp"
android:layout_marginRight="100dp"
android:layout_marginBottom="150dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:srcCompat="@drawable/en" />
<TextView
android:id="@+id/textView6"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="352dp"
android:layout_marginEnd="124dp"
android:layout_marginRight="124dp"
android:text="Delay"
android:textSize="32sp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<EditText
android:id="@+id/Delay"
android:layout_width="159dp"
android:layout_height="49dp"
android:layout_marginTop="16dp"
android:layout_marginEnd="40dp"
android:layout_marginRight="40dp"
android:ems="10"
android:inputType="textPersonName"
android:text="100"
android:textSize="24sp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toBottomOf="@+id/textView6" />
MainActivity.java
import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
import android.hardware.SensorManager;
import android.media.AudioAttributes;
import android.media.AudioManager;
import android.media.SoundPool;
import android.os.AsyncTask;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.TextView;
import androidx.appcompat.app.AppCompatActivity;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetSocketAddress;
import java.net.SocketException;
import java.util.Timer;
import java.util.TimerTask;
public class MainActivity extends AppCompatActivity implements SensorEventListener{
private SensorManager sensorManager;
private TextView X_Data_TextView; //X-Wert des Beschleunigungssensors
private TextView Y_Data_TextView; //Y-Wert des Beschleunigungssensors
private TextView Z_Data_TextView; //Z-Wert des Beschleunigungssensors
private float data_X,data_Y,data_Z;
private int xp,yp,zp,xm,ym,zm;
private int data_x,data_y,data_z;
private String Data;
private Timer timer1,timer2;
private mTimerTask1 timerTask1;
private mTimerTask2 timerTask2;
private Handler handler = new Handler();
private Handler handler1 = new Handler();
private long Delay;
ImageView LED1,LED2;
SoundPool soundPool;
int mp3_xp,mp3_xm,mp3_yp,mp3_ym,mp3_zp,mp3_zm;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
sensorManager = (SensorManager)getSystemService(SENSOR_SERVICE);
X_Data_TextView = findViewById(R.id.X_Data);
Y_Data_TextView = findViewById(R.id.Y_Data);
Z_Data_TextView = findViewById(R.id.Z_Data);
LED1 = findViewById(R.id.LED1);
LED2 = findViewById(R.id.LED2);
LED1.setImageResource(R.drawable.en);
LED2.setImageResource(R.drawable.en);
//Die, die Sie benötigen, um Sound hinzuzufügen
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
soundPool = new SoundPool(5, AudioManager.STREAM_MUSIC, 0);
} else {
AudioAttributes attr = new AudioAttributes.Builder()
.setUsage(AudioAttributes.USAGE_MEDIA)
.setContentType(AudioAttributes.CONTENT_TYPE_MUSIC)
.build();
soundPool = new SoundPool.Builder()
.setAudioAttributes(attr)
.setMaxStreams(5)
.build();
}
mp3_xp = soundPool.load(this, R.raw.xjikup, 1);
mp3_xm = soundPool.load(this,R.raw.xjikum,1 );
mp3_yp = soundPool.load(this, R.raw.yjikup, 1);
mp3_ym = soundPool.load(this,R.raw.yjikum,1 );
mp3_zp = soundPool.load(this, R.raw.zjikup, 1);
mp3_zm = soundPool.load(this,R.raw.zjikum,1 );
Button ran = findViewById(R.id.Ran);
Button end = findViewById(R.id.End);
ran.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if(null != timer1){
timer1.cancel();
timer1 = null;
}
xp=yp=zp=xm=ym=zm=0;
String delay = ((EditText)findViewById(R.id.Delay)).getText().toString();
Delay = Long.parseLong(delay);
timer1 = new Timer();
timerTask1 = new mTimerTask1();
timer1.schedule(timerTask1,0, Delay);
timer2 = new Timer();
timerTask2 = new mTimerTask2();
timer2.schedule(timerTask2,0,Delay);
}
});
end.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if(null != timer1){
timer1.cancel();
timer1 = null;
}
final String address = ((EditText) findViewById(R.id.IP_Address)).getText().toString();
String port = ((EditText) findViewById(R.id.Port)).getText().toString();
int Port = Integer.parseInt(port);
String exit = "exit";
byte buf[] = new byte[exit.length()];
try {
buf = exit.getBytes("SHIFT_JIS");
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
InetSocketAddress inetSocketAddress = new InetSocketAddress(address, Port);
final DatagramPacket datagramPacket = new DatagramPacket(buf, buf.length, inetSocketAddress);
AsyncTask<DatagramPacket, Void, Void> task = new AsyncTask<DatagramPacket, Void, Void>() {
@Override
protected Void doInBackground(DatagramPacket... datagramPackets) {
DatagramSocket datagramSocket = null;
try {
datagramSocket = new DatagramSocket();
datagramSocket.send(datagramPackets[0]);
datagramSocket.close();
} catch (SocketException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
};
task.execute(datagramPacket);
}
});
}
@Override
protected void onResume(){
super.onResume();
//Event Listener Registrierung
Sensor accel = sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
sensorManager.registerListener((SensorEventListener) this,accel,SensorManager.SENSOR_DELAY_NORMAL);
}
@Override
protected void onPause(){
super.onPause();
//Ereignis-Listener nicht registriert
sensorManager.unregisterListener((SensorEventListener) this);
}
@Override
public void onSensorChanged(SensorEvent event){
if(event.sensor.getType() == Sensor.TYPE_ACCELEROMETER){
data_X= (500+event.values[0]*25);
data_Y= (500+event.values[1]*25);
data_Z= (500+event.values[2]*25);
data_x = (int)data_X;
data_y = (int)data_Y;
data_z = (int)data_Z;
Data = data_x + " " +
data_y + " " +
data_z;
X_Data_TextView.setText(String.valueOf(data_x));
Y_Data_TextView.setText(String.valueOf(data_y));
Z_Data_TextView.setText(String.valueOf(data_z));
}
}
@Override
public void onAccuracyChanged(Sensor sensor, int accuracy){
}
private class mTimerTask2 extends TimerTask{
@Override
public void run() {
handler.post(new Runnable() {
@Override
public void run() {
if (data_X >= 700) {
LED1.setImageResource(R.drawable.en_gleen);
xp += 1;
if (xp == 1) {
yp=zp=xm=ym=zm=0;
soundPool.play(mp3_xp, 2, 2, 0, 0, 1f);
}
}else if (data_X <= 300) {
LED1.setImageResource(R.drawable.en);
xm += 1;
if (xm == 1) {
xp=yp=zp=ym=zm=0;
soundPool.play(mp3_xm, 2, 2, 0, 0, 1f);
}
}else if (data_Y >= 700) {
LED2.setImageResource(R.drawable.en_red);
yp += 1;
if (yp == 1) {
xp=zp=xm=ym=zm=0;
soundPool.play(mp3_yp, 2, 2, 0, 0, 1f);
}
} else if (data_Y <= 300) {
LED2.setImageResource(R.drawable.en);
ym += 1;
if (ym == 1) {
xp=yp=zp=xm=zm=0;
soundPool.play(mp3_ym, 2, 2, 0, 0, 1f);
}
}else if (data_Z >= 700) {
LED1.setImageResource(R.drawable.en_gleen);
LED2.setImageResource(R.drawable.en_red);
zp += 1;
if (zp == 1) {
xp=yp=xm=ym=zm=0;
soundPool.play(mp3_zp, 2, 2, 0, 0, 1f);
}
}else if (data_Z <= 300) {
LED1.setImageResource(R.drawable.en);
LED2.setImageResource(R.drawable.en);
zm += 1;
if (zm == 1) {
xp=yp=zp=xm=ym=0;
soundPool.play(mp3_zm, 2, 2, 0, 0, 1f);
}
}
}
});
}
}
private class mTimerTask1 extends TimerTask{
@Override
public void run(){
handler.post(new Runnable() {
@Override
public void run() {
final String address = ((EditText) findViewById(R.id.IP_Address)).getText().toString();
String port = ((EditText) findViewById(R.id.Port)).getText().toString();
int Port = Integer.parseInt(port);
byte buf[] = new byte[Data.length()];
try {
buf = Data.getBytes("SHIFT_JIS");
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
InetSocketAddress inetSocketAddress = new InetSocketAddress(address, Port);
final DatagramPacket datagramPacket = new DatagramPacket(buf, buf.length, inetSocketAddress);
AsyncTask<DatagramPacket, Void, Void> task = new AsyncTask<DatagramPacket, Void, Void>() {
@Override
protected Void doInBackground(DatagramPacket... datagramPackets) {
DatagramSocket datagramSocket = null;
try {
datagramSocket = new DatagramSocket();
datagramSocket.send(datagramPackets[0]);
datagramSocket.close();
} catch (SocketException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
};
task.execute(datagramPacket);
}
});
}
}
}
C # -Anwendung
In dieser Anwendung wird der Wert des von der UDP-Kommunikation empfangenen Android-Beschleunigungssensors in richTextBox aufgezeichnet und der Wert jeder Achse in TextBox angezeigt.
Anwendungs-GUI
Quellcode
Form1.cs
using System;
using System.Windows.Forms;
using System.Net.Sockets;
using System.Net;
namespace UDP_Server
{
public partial class Form1 : Form
{
int i;
int[] d;
string[] D;
private UdpClient udpClient = null; //Empfangender Kunde
public string rcvMsg = null;//Zum Speichern empfangener Nachrichten
public Form1()
{
InitializeComponent();
}
//Was passiert, wenn Sie auf eine Schaltfläche klicken?
private void button1_Click(object sender, EventArgs e)
{
//Wenn Sie die Taste drücken, wenn eine UDP-Verbindung besteht
//Machen Sie den Prozess abwesend (etwas anders)
if (udpClient != null)
{
return;
}
((Button)sender).Enabled = false;
string IPString = "127.0.0.1";
IPAddress IPAdd = IPAddress.Parse(IPString); //Geben Sie die IP-Adresse an
int Port = 8080; //Geben Sie die Portnummer an
//Erstellen Sie UdpClient und binden Sie an die angegebene Portnummer
IPEndPoint EP = new IPEndPoint(IPAdd, Port);
UdpClient udp = new UdpClient(EP);
richTextBox1.BeginInvoke(
new Action<string>(ShowReceivedString1), "Starten Sie den Empfang");
//Starten Sie den asynchronen Empfang
udp.BeginReceive(UdpServer, udp);
((Button)button1).Enabled = true;
}
//Verarbeitung beim Empfang von Daten
private void UdpServer(IAsyncResult ar)
{
UdpClient udp = (UdpClient)ar.AsyncState;
for (;;)
{
//Beenden Sie den asynchronen Empfang einmal
IPEndPoint remoteEP = null;
byte[] rcvBytes = udp.Receive(ref remoteEP);
//Konvertieren Sie empfangene Daten in Zeichenfolgen
string rcvMsg = System.Text.Encoding.UTF8.GetString(rcvBytes);
//"exit"Beenden Sie, wenn Sie erhalten
if (rcvMsg == "exit")
{
break;
}
D = rcvMsg.Split(' ');
for(i=0;D[i]== null; i++)
{
d[i] = int.Parse(D[i]);
}
//Zeigen Sie die empfangenen Daten in TextBox an
string displayMsg = string.Format("{0}", rcvMsg);
richTextBox1.BeginInvoke(
new Action<string>(ShowReceivedString1), displayMsg);
X_Data.BeginInvoke(
new Action<string>(ShowReceivedString_x), D[0]);
Y_Data.BeginInvoke(
new Action<string>(ShowReceivedString_y), D[1]);
Z_Data.BeginInvoke(
new Action<string>(ShowReceivedString_z), D[2]);
}
rcvMsg = "Fertig";
//Schließen Sie UdpClient
udp.Close();
richTextBox1.BeginInvoke(
new Action<string>(ShowReceivedString1), rcvMsg);
}
private void ShowReceivedString1(string str)
{
if (richTextBox1.Text == "")
{
richTextBox1.Text = str;
richTextBox1.SelectionStart = richTextBox1.Text.Length;
richTextBox1.Focus();
richTextBox1.ScrollToCaret();
}
else {
richTextBox1.Text = richTextBox1.Text + "\r\n" + str;
richTextBox1.SelectionStart = richTextBox1.Text.Length;
richTextBox1.Focus();
richTextBox1.ScrollToCaret();
}
}
private void ShowReceivedString_x(string str)
{
X_Data.Text = str;
}
private void ShowReceivedString_y(string str)
{
Y_Data.Text = str;
}
private void ShowReceivedString_z(string str)
{
Z_Data.Text = str;
}
private void Form1_FormClosed(object sender, FormClosedEventArgs e)
{
//Schließen Sie UdpClient
if (udpClient != null)
{
udpClient.Close();
}
}
}
}
Zukünftige Ziele
Ich denke darüber nach, ein Bild, das eine LED imitiert, die durch den Wert des Beschleunigungssensors gesteuert werden kann, zu C # hinzuzufügen, aber zu diesem Zweck muss ich in der Lage sein, die pictureBox mit mehreren Threads zu betreiben, also werde ich mich darauf konzentrieren.
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