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Android Build a Simple Android App Basic Android Programming Initializing a Button

How to create button id? Button showFactButton=(Button) findViewById(R.id.factButton); Where I am wrong?

Button showFactButton=(Button) findViewById(R.id.factButton); This code doesn't solving the problem. Where I am wrong?

FunFactsActivity.java
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

public class FunFactsActivity extends Activity {

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_fun_facts);

        // Declare our View variables and assign them the Views from the layout file
        TextView factLabel = (TextView) findViewById(R.id.factTextView);
        Button showFactButton=(Button) findViewById(R.id.factButton);
    }
}

1 Answer

Patrick Taschner
Patrick Taschner
7,176 Points

Hey Vikash,

have a look what the instruction tells you what the ID of the button is ;-) A little hint: it is not factButton

But besides of that your code is perfectly correct :-)

For any further questions, feel free to ask me :)