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albert Einstein
616 PointsGenerating a random number bug
package com.example.aplication.funfacts;
import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.TextView;
import java.util.Random;
public class MainActivity extends AppCompatActivity { // declare our View Variables private TextView factTextView; private Button factButton;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// Assign the views from the layout file to the corresponding variables
factTextView = (TextView) findViewById(R.id.factTextView);
factButton = (Button) findViewById(R.id.factButton);
View.OnClickListener listener = new View.OnClickListener() {
@Override
public void onClick(View view) {
// the button was clicked , so update the fact TextView with a new fact
//randomly select a fact
Random randomGenerator = new Random();
int randomGenerator = randomGenerator.nextInt( n: 3);
String fact ="";
//update the screen with our new fact
factTextView.setText(fact);
}
};
factButton.setOnClickListener(listener);
}
}
1 Answer
Algenis Romero
6,987 PointsYou int variable has the same name and your int variable name should be randomNumber; just change this:
int randomNumber = randomGenerator.nextInt(n: 3)
I hope this solve your bug!