我在下面有这个片段代码:
public class Device extends Fragment {
EditText deviceName;
EditText numDevice;
Button submitButton;
private API api;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
final View rootView = inflater.inflate(R.layout.device_fragment_view, container, false);
deviceName = (EditText) rootView.findViewById(R.id.device_name);
numDevice = (EditText)
rootView.findViewById(R.id.num_of_devices);
submitButton = (Button) rootView.findViewById(R.id.submit_device);
Retrofit retroFit = new Retrofit.Builder()
.baseUrl(getString(R.string.base_url))
.addConverterFactory(GsonConverterFactory.create())
.build();
api = retroFit.create(API.class);
submitButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
System.out.print("GOT INTO THE CLICK");
}
});
return rootView;
}
}
出于某种原因,我在submitButton
上设置的点击监听器似乎无法正常工作。我似乎无法在代码中找到我做错的事情。有什么想法吗?
答案 0 :(得分:3)
尝试放置:
Toast.makeText(getActivity().getApplicationContext(), "You clicked the button", Toast.LENGTH_SHORT).show();
而不是
System.out.print("GOT INTO THE CLICK");
由于您的代码似乎没问题,您可能会在日志中遗漏它。
答案 1 :(得分:2)
使用Log
是一个更好的主意(并且应该更好)。
正如我在评论中所说,您可以快速尝试将System.out.print("GOT INTO THE CLICK");
更改为Log.d("TAGOFTHEAPP","GOT INTO THE CLICK");
了解有关Android登录的好主意,请仔细阅读此链接:
https://developer.android.com/reference/android/util/Log.html
答案 2 :(得分:1)
在创建Toast
之前尝试使用API
进行检测:
public class Device extends Fragment {
EditText deviceName;
EditText numDevice;
Button submitButton;
private API api;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
final View rootView = inflater.inflate(R.layout.device_fragment_view, container, false);
deviceName = (EditText) rootView.findViewById(R.id.device_name);
numDevice = (EditText) rootView.findViewById(R.id.num_of_devices);
submitButton = (Button) rootView.findViewById(R.id.submit_device);
submitButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Toast.makeText(getActivity(),"GOT INTO THE CLICK",LENGTH_LONG).show();
}
});
Retrofit retroFit = new Retrofit.Builder()
.baseUrl(getString(R.string.base_url))
.addConverterFactory(GsonConverterFactory.create())
.build();
api = retroFit.create(API.class);
return rootView;
}
}