CrashFix
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@ -1,44 +1,28 @@
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package de.edotzlaff.schockwelle;
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import androidx.annotation.NonNull;
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import androidx.annotation.RequiresApi;
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import androidx.appcompat.app.AppCompatActivity;
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import androidx.fragment.app.FragmentActivity;
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import android.app.ActionBar;
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import android.app.Dialog;
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import android.content.Intent;
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import android.hardware.Sensor;
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import android.net.wifi.WifiManager;
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import android.os.Build;
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import android.os.Bundle;
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import android.provider.Settings;
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import android.util.Log;
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import android.view.View;
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import android.widget.Button;
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import android.widget.Toast;
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import com.google.android.gms.common.ConnectionResult;
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import com.google.android.gms.common.GoogleApiAvailability;
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import com.google.android.gms.tasks.OnCompleteListener;
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import com.google.android.gms.tasks.Task;
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import com.google.firebase.database.DataSnapshot;
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import com.google.firebase.database.DatabaseError;
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import com.google.firebase.database.DatabaseReference;
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import com.google.firebase.database.FirebaseDatabase;
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import com.google.firebase.database.ValueEventListener;
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import java.time.LocalDateTime;
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import java.time.format.DateTimeFormatter;
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import java.util.Calendar;
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public class MainActivity extends FragmentActivity {
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private static final String TAG = "MainActivity";
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private static final int ERROR_DIALOG_REQUEST = 9001;
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private DatabaseReference mDatenbank;
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String android_id;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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@ -138,7 +122,6 @@ public class MainActivity extends FragmentActivity {
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return false;
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}
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@RequiresApi(api = Build.VERSION_CODES.O)
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public void deviceInitDataBase()
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{
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mDatenbank = FirebaseDatabase.getInstance().getReference();
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@ -153,11 +136,8 @@ public class MainActivity extends FragmentActivity {
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mDatenbank.child("overviewnodes").child("IDG4").setValue(d4);
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mDatenbank.child("overviewnodes").child("IDG5").setValue(d4);
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mDatenbank.child("overviewnodes").child("IDG5").setValue(d5);
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//Nürnberg HBF: 49.4474136331757, 11.082661293035727
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}
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//Datenbank auslesen OHNE Listener. D.h. es werden Daten (snapshot) ausgelesen und kein Listener hinterlegt.
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//Sollten sich danach Daten zu einem beliebigen Zeitpunkt in der DB ändern, wird die Funktion "onDataChange" NICHT erneut ausgelöst.
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public void getDataBaseValuesNoListener()
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{
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mDatenbank = FirebaseDatabase.getInstance().getReference();
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@ -196,73 +176,3 @@ public class MainActivity extends FragmentActivity {
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mDatenbank = FirebaseDatabase.getInstance().getReference().child("overviewnodes");
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}
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}
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/*
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//Datenbank auslesen MIT Listener. D.h. es werden Daten (snapshot) ausgelesen und gleichzeitig ein Listener hinterlegt.
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//Sollten sich danach Daten zu einem beliebigen Zeitpunkt in der DB ändern, wird die Funktion "onDataChange" erneut ausgelöst und wieder Daten (snapshot) ausgelesen.
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public void getDataBaseValuesListener()
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{
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mDatenbank = FirebaseDatabase.getInstance().getReference();
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mDatenbank.addValueEventListener(new ValueEventListener() {
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@Override
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public void onDataChange(@NonNull DataSnapshot snapshot) {
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//testProcess(snapshot); //Daten - Snapshot, Übergabe an Methode processDataBaseValues
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}
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@Override
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public void onCancelled(@NonNull DatabaseError error) {
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getDataBaseFailure(error);
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}
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});
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}
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*/
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/*
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public void getDataBaseFailure (DatabaseError error)
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{
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System.out.println("Fehler");
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Log.w("Datenbankfehler", error.toException());
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}
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*/
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/*
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@RequiresApi(api = Build.VERSION_CODES.O)
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public void processDataBaseValues (DataSnapshot data)
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{
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for (int i = 1; i<=4; i++) //Für alle IDG 1-4 werden Werte ausgegeben
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{
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//####### Auslesen für String-Werte #######:
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String ipAdresse = data.child("overviewnodes").child("IDG" + i).child("ip").getValue().toString();
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//####### Auslesen für boolean-Werte #######:
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String vibrationString = data.child("overviewnodes").child("IDG" + i).child("vibration").getValue().toString();
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boolean vibration;
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if(vibrationString == "true"){
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vibration = true;
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}else{
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vibration = false;
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}
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//####### Auslesen für double-Werte #######:
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String breitengradString = data.child("overviewnodes").child("IDG" + i).child("breitengrad").getValue().toString();
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String laengengradString = data.child("overviewnodes").child("IDG" + i).child("laengengrad").getValue().toString();
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double breitengrad = Double.parseDouble(breitengradString);
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double laengengrad = Double.parseDouble(laengengradString);
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//####### Auslesen für long-Werte #######:
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String timestampString = data.child("overviewnodes").child("IDG" + i).child("timestamp").getValue().toString();
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long timestamp = Long.parseLong(timestampString);
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//####### Auslesen für ing-Werte #######:
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String amplitudeString = data.child("overviewnodes").child("IDG" + i).child("amplitude").getValue().toString();
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int amplitude = Integer.parseInt(amplitudeString);
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//####### Auslesen für LocalDateTime#######:
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String localdatetimeString = data.child("overviewnodes").child("IDG" + i).child("localdatetime").getValue().toString();
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DateTimeFormatter formatter = DateTimeFormatter.ISO_DATE_TIME;
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LocalDateTime localdatetime = LocalDateTime.parse(localdatetimeString, formatter);
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}
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}
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*/
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