public class MainActivity extends AppCompatActivity {

@Override
 public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
 setContentView(R.layout.loginpage);

 Typeface fontType_title = Typeface.createFromAsset(getAssets(),"manhwa.ttf");
 TextView login_title = (TextView)findViewById(R.id.login_title);
 login_title.setTypeface(fontType_title);

 Button btn_login = (Button)findViewById(R.id.login_login);
 btn_login.setOn클릭Listener(loginListener1);
 Button btn_warn = (Button)findViewById(R.id.warn_next);
 btn_warn.setOn클릭Listener(loginListener2);




 }


Button.On클릭Listener loginListener1 = new Button.On클릭Listener(){
public void on클릭(View v){
setContentView(R.layout.warning);
 }
};
 Button.On클릭Listener loginListener2 = new Button.On클릭Listener(){
public void on클릭(View v){
setContentView(R.layout.mainpage);

 Typeface fontType_title = Typeface.createFromAsset(getAssets(),"manhwa.ttf");
 TextView main_title = (TextView)findViewById(R.id.main_title);
 main_title.setTypeface(fontType_title);
 }
};
}

 대체뭘????