Kommunikation Version 1.4 UDP Socket
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package com.example.ueberwachungssystem;
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import static android.Manifest.permission.INTERNET;
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import static android.Manifest.permission.CAMERA;
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import static android.Manifest.permission.RECORD_AUDIO;
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import android.content.DialogInterface;
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import android.content.pm.PackageManager;
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import android.os.Bundle;
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import android.os.Handler;
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import android.view.View;
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import android.widget.Toast;
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import androidx.appcompat.app.AlertDialog;
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import androidx.appcompat.app.AppCompatActivity;
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import androidx.core.content.ContextCompat;
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public class PermissionRequest extends AppCompatActivity{
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private static final int PERMISSION_REQUEST_CODE = 123;
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private final MainActivity mainActivity;
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boolean prüfen= false;
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Handler handler = new Handler();
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public PermissionRequest(MainActivity mainActivity) {
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this.mainActivity = mainActivity;
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}
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public StringBuilder rechtePruefen() {
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boolean rechtKamera = ContextCompat.checkSelfPermission(mainActivity, CAMERA) == PackageManager.PERMISSION_GRANTED;
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boolean rechtMikrofon = ContextCompat.checkSelfPermission(mainActivity, RECORD_AUDIO) == PackageManager.PERMISSION_GRANTED;
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boolean rechtInternet = ContextCompat.checkSelfPermission(mainActivity, INTERNET) == PackageManager.PERMISSION_GRANTED;
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StringBuilder sb = new StringBuilder();
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sb.append("Rechte prüfen:")
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.append("\nKamera: ").append(rechtKamera)
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.append("\nMikrofon: ").append(rechtMikrofon)
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.append("\nInternet: ").append(rechtInternet);
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//mainActivity.runOnUiThread(() -> mainActivity.tvMessages.setText(sb));
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if (!(rechtKamera && rechtMikrofon && rechtInternet)){
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handler.post(new Runnable() {
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@Override
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public void run() {
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Toast.makeText(mainActivity.getApplicationContext(),"Es werden Rechte benötigt", Toast.LENGTH_LONG).show();
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}
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});
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}
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return sb;
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}
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public void rechteAnfordern() {
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/*handler.post(new Runnable() {
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@Override
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public void run() {
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Toast.makeText(mainActivity.getApplicationContext(),"Fordere Rechte an", Toast.LENGTH_LONG).show();
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}
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});*/
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mainActivity.requestPermissions(new String[]{CAMERA, RECORD_AUDIO, INTERNET}, PERMISSION_REQUEST_CODE);
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}
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@Override
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public void onRequestPermissionsResult(int requestCode, String permissions[], int[] grantResults) {
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if (requestCode == PERMISSION_REQUEST_CODE && grantResults.length > 0) {
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boolean rechtKamera = grantResults[0] == PackageManager.PERMISSION_GRANTED;
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boolean rechtMikrofon = grantResults[1] == PackageManager.PERMISSION_GRANTED;
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boolean rechtInternet = grantResults[2] == PackageManager.PERMISSION_GRANTED;
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if (rechtKamera && rechtMikrofon && rechtInternet)
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handler.post(new Runnable() {
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@Override
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public void run() {
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Toast.makeText(mainActivity.getApplicationContext(),"Alle benötigten Rechte sind gewährt.", Toast.LENGTH_LONG).show();
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}
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});
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else {
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if (!rechtKamera) {
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handler.post(new Runnable() {
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@Override
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public void run() {
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Toast.makeText(mainActivity.getApplicationContext(),"Kein Recht auf Kamera gewährt.", Toast.LENGTH_SHORT).show();
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}
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});
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if (shouldShowRequestPermissionRationale(CAMERA)) {
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zeigeDialog("Du musst uns Zugriff auf deine Kamera gestatten, damit wir dich besser sehen können.");
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}
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}
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if (!rechtMikrofon) {
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handler.post(new Runnable() {
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@Override
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public void run() {
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Toast.makeText(mainActivity.getApplicationContext(),"Kein Recht auf Mikrofon gewährt.", Toast.LENGTH_SHORT).show();
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}
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});
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if (shouldShowRequestPermissionRationale(RECORD_AUDIO)) {
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zeigeDialog("Du musst uns Zugriff auf dein Mikrofon gestatten, damit wir dich besser hören können.");
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}
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}
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if (!rechtInternet) {
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handler.post(new Runnable() {
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@Override
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public void run() {
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Toast.makeText(mainActivity.getApplicationContext(),"Kein Recht auf Ortung gewährt.", Toast.LENGTH_SHORT).show();
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}
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});
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if (shouldShowRequestPermissionRationale(INTERNET)) {
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zeigeDialog("Du musst uns Zugriff auf dein Internet gestatten, damit wir eine Verbindung aufbauen können.");
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}
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}
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}
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}
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super.onRequestPermissionsResult(requestCode, permissions, grantResults);
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}
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private void zeigeDialog(String begruendung) {
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new AlertDialog.Builder(mainActivity.getApplicationContext())
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.setMessage(begruendung)
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.setPositiveButton("OK", new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int which) {
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requestPermissions(new String[]{CAMERA, RECORD_AUDIO, INTERNET}, PERMISSION_REQUEST_CODE);
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}
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})
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.setNegativeButton("Abbruch", null)
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.create()
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.show();
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}
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}
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@ -0,0 +1,86 @@
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package com.example.ueberwachungssystem;
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import android.view.Gravity;
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import android.view.LayoutInflater;
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import android.view.MotionEvent;
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import android.view.View;
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import android.widget.Button;
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import android.widget.LinearLayout;
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import android.widget.PopupWindow;
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import android.widget.TextView;
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public class PopUpClass {
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private final MainActivity mainActivity;
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PermissionRequest permission;
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TextView PopUpText;
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public PopUpClass(MainActivity mainActivity) {
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this.mainActivity = mainActivity;
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permission = new PermissionRequest(mainActivity);
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}
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//PopupWindow display method
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public void showPopupWindow(final View view) {
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//Create a View object yourself through inflater
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LayoutInflater inflater = (LayoutInflater) view.getContext().getSystemService(view.getContext().LAYOUT_INFLATER_SERVICE);
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View popupView = inflater.inflate(R.layout.popup_window, null);
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//Specify the length and width through constants
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int width = LinearLayout.LayoutParams.WRAP_CONTENT;
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int height = LinearLayout.LayoutParams.WRAP_CONTENT;
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//Make Inactive Items Outside Of PopupWindow
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boolean focusable = true;
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//Create a window with our parameters
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final PopupWindow popupWindow = new PopupWindow(popupView,width*1, height*1, focusable);
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//Set the location of the window on the screen
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popupWindow.showAtLocation(view, Gravity.CENTER, 0, 0);
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//Initialize the elements of our window, install the handler
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PopUpText = popupView.findViewById(R.id.titleText);
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Button buttonEdit = popupView.findViewById(R.id.RechteAnfordern);
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buttonEdit.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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RechteAnfordern();
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}
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});
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//Handler for clicking on the inactive zone of the window
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popupView.setOnTouchListener(new View.OnTouchListener() {
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@Override
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public boolean onTouch(View v, MotionEvent event) {
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//Close the window when clicked
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popupWindow.dismiss();
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return true;
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}
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});
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}
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public void RechtePrüfen(){
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StringBuilder Text = permission.rechtePruefen();
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PopUpText.setText(Text);
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}
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public void RechteAnfordern(){
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permission.rechteAnfordern();
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StringBuilder Text = permission.rechtePruefen();
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PopUpText.setText(Text);
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}
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public void Sensoren(){
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PopUpText.setText("Es können 3 verschiedene Sensoren verwendet werden \n -1. Beschleunigungssensor\n -2. Mikrofon\n -3. Kamera");
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}
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public void Impressum(){
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PopUpText.setText("Die Ueberwachungsapp wurde im Rahmen eines Praktikums der TH-Nürnberg programmiert");
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}
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}
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30
app/src/main/res/layout/popup_window.xml
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app/src/main/res/layout/popup_window.xml
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<?xml version="1.0" encoding="utf-8"?>
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:app="http://schemas.android.com/apk/res-auto"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:paddingLeft="10dp"
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android:paddingRight="10dp"
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android:gravity="center"
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android:background="#A5ACB2">
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<TextView
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android:id="@+id/titleText"
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android:layout_gravity="center"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="Aktualisieren"
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android:textSize="20sp"
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android:textStyle="italic"
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android:padding="10dp"/>
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<Button
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android:id="@+id/RechteAnfordern"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:layout_weight="1"
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android:text="Rechte Anfordern" />
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</LinearLayout>
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9
app/src/main/res/menu/options_menu.xml
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app/src/main/res/menu/options_menu.xml
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<?xml version="1.0" encoding="utf-8"?>
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<menu xmlns:android="http://schemas.android.com/apk/res/android" >
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<item android:id="@+id/Rechteverwaltung"
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android:title="Rechteverwaltung" />
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<item android:id="@+id/Sensoren"
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android:title="Sensoren" />
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<item android:id="@+id/Impressum"
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android:title="Impressum" />
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</menu>
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