ui/espresso/BasicSample/app/src/main/java/com/example/android/testing/espresso/BasicSample/MainActivity.java [31:63]:
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public class MainActivity extends Activity implements View.OnClickListener {

    // The TextView used to display the message inside the Activity.
    private TextView mTextView;

    // The EditText where the user types the message.
    private EditText mEditText;

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

        // Set the listeners for the buttons.
        findViewById(R.id.changeTextBt).setOnClickListener(this);
        findViewById(R.id.activityChangeTextBtn).setOnClickListener(this);

        mTextView = (TextView) findViewById(R.id.textToBeChanged);
        mEditText = (EditText) findViewById(R.id.editTextUserInput);
    }

    @Override
    public void onClick(View view) {
        // Get the text from the EditText view.
        final String text = mEditText.getText().toString();

        final int changeTextBtId = R.id.changeTextBt;
        final int activityChangeTextBtnId = R.id.activityChangeTextBtn;

        if (view.getId() == changeTextBtId) {
          // First button's interaction: set a text in a text view.
          mTextView.setText(text);
        } else if (view.getId() == activityChangeTextBtnId) {
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ui/uiautomator/BasicSample/app/src/main/java/com/example/android/testing/uiautomator/BasicSample/MainActivity.java [31:63]:
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public class MainActivity extends Activity implements View.OnClickListener {

    // The TextView used to display the message inside the Activity.
    private TextView mTextView;

    // The EditText where the user types the message.
    private EditText mEditText;

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

        // Set the listeners for the buttons.
        findViewById(R.id.changeTextBt).setOnClickListener(this);
        findViewById(R.id.activityChangeTextBtn).setOnClickListener(this);

        mTextView = (TextView) findViewById(R.id.textToBeChanged);
        mEditText = (EditText) findViewById(R.id.editTextUserInput);
    }

    @Override
    public void onClick(View view) {
        // Get the text from the EditText view.
        final String text = mEditText.getText().toString();

        final int changeTextBtId = R.id.changeTextBt;
        final int activityChangeTextBtnId = R.id.activityChangeTextBtn;

        if (view.getId() == changeTextBtId) {
          // First button's interaction: set a text in a text view.
          mTextView.setText(text);
        } else if (view.getId() == activityChangeTextBtnId) {
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