public class Login extends Activity {

private Button btn1;

private Button btn2;

?@Override

protected void onCreate(Bundle savedInstanceState) {

// TODO Auto-generated method stub

super.onCreate(savedInstanceState);

setContentView(R.layout.login);

btn1=(Button) findViewById(R.id.button3);

? ? ?btn1.setOnClickListener(new OnClickListener(){

@Override

public void onClick(View arg0) {

Intent i=new Intent(Login.this,MainActivity.class);

startActivity(i);

}

? ? ?

? ? ?});

? ? ?btn2=(Button) findViewById(R.id.button4);

? ? ?btn2.setOnClickListener(new OnClickListener(){

@Override

public void onClick(View arg0) {

Intent i=new Intent(Login.this,Enroll.class);

startActivity(i);

}

? ? ?

? ? ?});

? ? ?JPushInterface.setDebugMode(true);

? ? ?JPushInterface.init(this);

}

}

這樣不對么？