[Android] Views

// MainActivity.java
public class MainActivity extends AppCompatActivity {
    private Button mButton;
    private TextView mTextView;

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

        mButton = (Button) findViewById(R.id.mButton);
        mTextView = (TextView) findViewById(R.id.mTextView);

        // Change the title of the button
        mButton.setText(R.string.button_name); 

        // Alternative to public function showMe
        mButton.setOnClickListener(new View.OnClickListener()) {
            @Override
            public void onClick(View v) {
                mTextView.setVisibility(View.VISIBLE);
                mTextView.setText(R.string.show_text);
            }
        }
    }

    public void showMe(View view) { // Append showMe to the onClick event in the 
        mTextView.setVisibility(View.VISIBLE);
        mTextView.setText(R.string.show_text);
    }
}