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

Posted by Ramy Obeid
Ramy Obeid
2,373 Points

i have the initialize the showFactButton variable using the findViewById() method like the TextView above it

the ID for the button is showFactButton and i have to cast it to a button with (button)

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

Kourosh Raeen
Kourosh Raeen
23,733 Points
Kourosh Raeen
Kourosh Raeen
23,733 Points

The id of the button should be: showFactButton

Ramy Obeid
Ramy Obeid
2,373 Points

ohhhh i see thx a lot kourosh raeen