public void displayActivity(View view) {

    switch(view.getId()) {
        case R.id.secondActitityButton:
            myClass = SecondActivity.class;
            break;
        default:
            throw new RuntimeException("Unknown Button");
    }

    Intent myIntent = new Intent (this, myClass);
    startActivity (myIntent);
}

public void displayActivity(View view) {
    Class myClass;
    String className = (view.getContentDescription().toString().trim());
    try {
        myClass = Class.forName(className);
    }
    catch (ClassNotFoundException e) {
        myClass = MainActivity.class;
    }

    Intent myIntent = new Intent (this, myClass);
    startActivity (myIntent);
}