Google Android - это несложно

Код: Выделить всё

public class Second extends Activity implements View.OnClickListener {
    Button button;
    Button button2;
    Button button3;
    Button button7;
    Button button4;
    Button button5;
    ImageView mImageView;


    @Override
    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);
        setContentView(R.layout.second);
        button = (Button) findViewById(R.id.button);
        button2 = (Button) findViewById(R.id.button2);
        button3 = (Button) findViewById(R.id.button3);
        button4 = (Button) findViewById(R.id.button4);
        button7 = (Button) findViewById(R.id.button7);
        button5 = (Button) findViewById(R.id.button5);

        mImageView = (ImageView) findViewById(R.id.imageView1);



        button.setOnClickListener(this);
        button2.setOnClickListener(this);
        button3.setOnClickListener(this);
        button4.setOnClickListener(this);
        button5.setOnClickListener(this);
        button7.setOnClickListener(this);


    }





    public void onClick(View v) {

        switch (v.getId()) {

            case R.id.button:

                Intent intent = new Intent(this, Drama.class);
                startActivity(intent);
                mImageView.setImageResource(R.drawable.act2);

                break;
            case R.id.button2:
                Intent lil = new Intent(this, Drama.class);
                startActivity(lil);
                break;
            case R.id.button3:
                Intent a = new Intent(this, Horror.class);
                startActivity(a);
                break;
            case R.id.button4:
                Intent b = new Intent(this, Cartoon.class);
                startActivity(b);
                break;
            case R.id.button7:
                Intent d = new Intent(this, Action.class);
                startActivity(d);
                break;
            case R.id.button5:
                finish();
                break;
        }


        }