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package com.example.fps103;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import androidx.appcompat.app.AppCompatActivity;
public class MainActivity extends AppCompatActivity {
int Nbr1, Nbr2, Total;
Button AddOneNbr1, SupOneNbr1, AddOneNbr2, SupOneNbr2;
TextView viewNbr1, viewNbr2, viewTotal;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Total =Nbr1 + Nbr2;
viewNbr1 = findViewById(R.id.textView_Nbr1);
viewNbr2 = findViewById(R.id.textView_Nbr2);
viewTotal = findViewById(R.id.textView_Total);
AddOneNbr1 = findViewById(R.id.btnAddOneNbr1);
AddOneNbr2 = findViewById(R.id.btnAddOneNbr2);
SupOneNbr1 = findViewById(R.id.btnSupOneNbr1);
SupOneNbr2 = findViewById(R.id.btnSupOneNbr2);
//Nbr1
AddOneNbr1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Nbr1++;
viewNbr1.setText(String.valueOf(Nbr1));
//return Nbr1; est souligné rouge si encodé ici (ou ailleurs)
}
});
SupOneNbr1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Nbr1--;
viewNbr1.setText(String.valueOf(Nbr1));
}
});
//Nbr2
AddOneNbr2.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Nbr2++;
viewNbr2.setText(String.valueOf(Nbr2));
}
});
SupOneNbr2.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Nbr2--;
viewNbr2.setText(String.valueOf(Nbr2));
}
});
viewNbr1.setText(String.valueOf(Nbr1));
viewNbr2.setText(String.valueOf(Nbr2));
viewTotal.setText(String.valueOf(Total));
}
} |
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