Intentservice1.java文件
public class Intentservice1 extends IntentService {
private String count;
private mybinder bind=new mybinder();
public class mybinder extends Binder
{
public String getcount()
{
return count;
}
}
public Intentservice1()
{
super("Intentservice1");
}
@Override
public IBinder onBind(Intent intenr)
{
return bind;
}
@Override
protected void onHandleIntent(Intent arg0) {
// TODO Auto-generated method stub
}
}
MainActivity.java文件
public class MainActivity extends Activity {
private TextView text;
private Intentservice1.mybinder binder1;
private ServiceConnection conn=new ServiceConnection()
{
@Override
public void onServiceConnected(ComponentName name,IBinder service)
{
binder1=(Intentservice1.mybinder)service;
if(binder1==null)
System.out.println("空了");
}
@Override
public void onServiceDisconnected(ComponentName name)
{
}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
text=(TextView)findViewById(R.id.textview1);
try
{
text.setText(binder1.getcount()); //出错的是这里，NullPointerException
}
catch(Exception e)
{
System.out.println(123);
}
Intent intent=new Intent(MainActivity.this,Intentservice1.class);
bindService(intent,conn,Service.BIND_AUTO_CREATE);
}
在运行时出现了错误，text里没有显示任何东西，logcat里输出了123,然后还输出了“skipped 82 Frames!The application may be doing too much work on its mainThread
请问大神我这里应该如何改正？如何解决？
在执行 onCreate 的时候binder1还没有赋值（conn的onServiceConnected还没执行）
就是binder1没初始化，bindService你放在哪，跟你的binder1也没有半毛钱关系
关键是你coon这个方法都没执行到啊，怎么给binder1赋值。。
关键是你coon这个方法都没执行到啊，怎么给binder1赋值。。