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Android Build a Simple Android App with Java Basic Android Programming Adding the OnClick Method

Why is my app no longer working with the below code?

package com.example.kyle.funfacts;

import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.TextView;

public class FunFactsActivity extends AppCompatActivity { // Declare our view variables private TextView factTextView; private Button showFactButton;

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

    //Assign the Views form the layour file to the corresponding variables
    factTextView = (TextView) findViewById(R.id.facttextView2);
    showFactButton = (Button) findViewById(R.id.showFactButton);

    View.OnClickListener listener = new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            // The button was clicked, so update the fact TextView with a new fact
            String fact ="Ostriches can run faster than horses";
            factTextView.setText(fact);
        }
    };
    showFactButton.setOnClickListener(listener);

}

}

Hi Kyle! Could you please post the error that you're getting?