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Final version #5

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86f31e8
Push Paul code to git
MohammedAltaiee Mar 12, 2023
c2a6554
last version last
MohammedAltaiee Mar 14, 2023
cade7cc
optimized section added
MohammedAltaiee Mar 20, 2023
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86 changes: 62 additions & 24 deletions app/src/main/java/com/example/intersectionsafe/MainActivity.java
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Expand Up @@ -2,48 +2,86 @@

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;

import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

import com.google.android.gms.tasks.OnCompleteListener;
import com.google.android.gms.tasks.Task;
import com.google.firebase.auth.AuthResult;
import java.math.RoundingMode;
import java.text.DecimalFormat;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.database.DataSnapshot;
import com.google.firebase.database.DatabaseError;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.google.firebase.database.ValueEventListener;

import java.text.DecimalFormat;

public class MainActivity extends AppCompatActivity {
TextView carsPerHour,numberOfCarsNow,numberOfCarsTotal,TimeElapsed;
TextView UserNameTitle;
FirebaseAuth auth;
private static final DecimalFormat df = new DecimalFormat("0.00");
private static final DecimalFormat dfInteger = new DecimalFormat("0");


TextView carsPerHour,carsPerHourV,numberOfCarsNow,numberOfCarsNowV,numberOfCarsTotal,numberOfCarsTotalV,optimizedCarsH,optimizedCarsV;

DatabaseReference reference;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

System.out.println("SYSTEM");

carsPerHour = findViewById(R.id.CarPerHourfield);
numberOfCarsNow = findViewById(R.id.numberOfCarsNowfield);
numberOfCarsTotal = findViewById(R.id.numberOfCarsTotalfield);
TimeElapsed = findViewById(R.id.TimeElapsedfiled);
showIntersectionSafeInfo();
optimizedCarsH= findViewById(R.id.optimizedCarsH);
optimizedCarsV= findViewById(R.id.optimizedCarsV);
carsPerHourV = findViewById(R.id.CarPerHourfieldV);
numberOfCarsNowV = findViewById(R.id.numberOfCarsNowfieldV);
numberOfCarsTotalV = findViewById(R.id.numberOfCarsTotalfieldV);
getdata();
}

public void showIntersectionSafeInfo(){
Intent intent =getIntent();
auth = FirebaseAuth.getInstance();
// DatabaseReference reference=FirebaseDatabase.getInstance().getReference().child("py");
reference = FirebaseDatabase.getInstance().getReference().child("py")
.child(FirebaseAuth.getInstance().getCurrentUser().getUid()).child("carsPerHour");
// reference.child(name).setValue(helperClass);
String carPH= intent.getStringExtra("carsPerHour");
carsPerHour.setText(carPH);
}
private void getdata() {
reference = FirebaseDatabase.getInstance().getReference().child("py");

reference.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(@NonNull DataSnapshot snapshot) {

//horizantal
float carsPH= snapshot.child("Intersection").child("HorizontalTraffic").child("carsPerHour").getValue(Integer.class);
carsPerHour.setText(dfInteger.format(carsPH));
Integer nocn=snapshot.child("Intersection").child("HorizontalTraffic").child("numOfCarsRN").getValue(Integer.class);
numberOfCarsNow.setText(String.valueOf(nocn));
Integer noct=snapshot.child("Intersection").child("HorizontalTraffic").child("numOfCarsTotal").getValue(Integer.class);
numberOfCarsTotal.setText(String.valueOf(noct));
//Vertical
float carsPHV=snapshot.child("Intersection").child("VerticalTraffic").child("carsPerHour").getValue(Integer.class);
carsPerHourV.setText(dfInteger.format(carsPHV));
Integer nocnV=snapshot.child("Intersection").child("VerticalTraffic").child("numOfCarsRN").getValue(Integer.class);
numberOfCarsNowV.setText(String.valueOf(nocnV));
Integer noctV=snapshot.child("Intersection").child("VerticalTraffic").child("numOfCarsTotal").getValue(Integer.class);
numberOfCarsTotalV.setText(String.valueOf(noctV));
//optimization
// private static final DecimalFormat df = new DecimalFormat("0.00");
double optimizedH= (10+(45*(carsPH/(carsPH+carsPHV))));
double optimizedV= (10+(45*(carsPHV/(carsPHV+carsPH))));
// double optimizedH=carsPH/(carsPH+carsPHV);
optimizedCarsH.setText(df.format(optimizedH)+" seconds");
optimizedCarsV.setText(df.format(optimizedV)+" seconds");



}

@Override
public void onCancelled(@NonNull DatabaseError error) {
// calling on cancelled method when we receive
// any error or we are not able to get the data.
Toast.makeText(MainActivity.this, "Fail to get data.", Toast.LENGTH_SHORT).show();
}
});
}
}
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