Question

How to add onClick event to Button in Android Java

Answer 1

package com.example.avi.myapplication;

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

public class MainActivity extends AppCompatActivity {

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

        Button myButton =(Button) findViewById(R.id.myButton);

        myButton.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                TextView myText = (TextView) findViewById(R.id.myText);
                myText.setText("android java");
            }
        });
    }
}

 

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