我在GridView类别和类别图像中的PHP webservices得到此错误在数组列表中我必须在网格视图中显示它们thrpough web services但是getData()中出现了错误,因为NoSuchMethodError
请尽量帮助我,谢谢.
请尽量帮助我,谢谢.
@Override
public View onCreateView(LayoutInflater inflater,ViewGroup container,Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.activity_customerhomepage,container,false);
gridView = (GridView) rootView.findViewById(R.id.gridView);
ids = new ArrayList<>();
categorys = new ArrayList<>();
category_imgs = new ArrayList<>();
//Calling the getData method
getData();
return rootView;
}
private void getData() {
final ProgressDialog loading = ProgressDialog.show(getContext(),"Please wait...","Fetching data...",false,false);
//Creating a json array request to get the json from our api
JsonArrayRequest jsonArrayRequest = new JsonArrayRequest(DATA_URL,new Response.Listener<JSONArray>() {
@Override
public void onResponse(JSONArray response) {
//Dismissing the progressdialog on response
loading.dismiss();
//Displaying our grid
showGrid(response);
}
},new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
}
}
);
Logcat错误：
03-20 22:35:58.002 23736-23736/? E/AndroidRuntime: FATAL EXCEPTION: main 03-20 22:35:58.002 23736-23736/? E/AndroidRuntime: Process: com.android.app.a2aapp,PID: 23736 03-20 22:35:58.002 23736-23736/? E/AndroidRuntime: java.lang.NoSuchMethodError: com.android.app.a2aapp.HomeFragment.getContext 03-20 22:35:58.002 23736-23736/? E/AndroidRuntime: at com.android.app.a2aapp.HomeFragment.getData(HomeFragment.java:67) 03-20 22:35:58.002 23736-23736/? E/AndroidRuntime: at com.android.app.a2aapp.HomeFragment.onCreateView(HomeFragment.java:61) 03-20 22:35:58.002 23736-23736/? E/AndroidRuntime: at android.app.Fragment.performCreateView(Fragment.java:1700) 03-20 22:35:58.002 23736-23736/? E/AndroidRuntime: at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:890) 03-20 22:35:58.002 23736-23736/? E/AndroidRuntime: at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:1062) 03-20 22:35:58.002 23736-23736/? E/AndroidRuntime: at android.app.BackStackRecord.run(BackStackRecord.java:684) 03-20 22:35:58.002 23736-23736/? E/AndroidRuntime: at android.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1447) 03-20 22:35:58.002 23736-23736/? E/AndroidRuntime: at android.app.Activity.performStart(Activity.java:5257) 03-20 22:35:58.002 23736-23736/? E/AndroidRuntime: at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2171) 03-20 22:35:58.002 23736-23736/? E/AndroidRuntime: at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2257) 03-20 22:35:58.002 23736-23736/? E/AndroidRuntime: at android.app.ActivityThread.access$800(ActivityThread.java:139) 03-20 22:35:58.002 23736-23736/? E/AndroidRuntime: at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1210) 03-20 22:35:58.002 23736-23736/? E/AndroidRuntime: at android.os.Handler.dispatchMessage(Handler.java:102) 03-20 22:35:58.002 23736-23736/? E/AndroidRuntime: at android.os.Looper.loop(Looper.java:136) 03-20 22:35:58.002 23736-23736/? E/AndroidRuntime: at android.app.ActivityThread.main(ActivityThread.java:5086) 03-20 22:35:58.002 23736-23736/? E/AndroidRuntime: at java.lang.reflect.Method.invokeNative(Native Method) 03-20 22:35:58.002 23736-23736/? E/AndroidRuntime: at java.lang.reflect.Method.invoke(Method.java:515) 03-20 22:35:58.002 23736-23736/? E/AndroidRuntime: at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:785) 03-20 22:35:58.002 23736-23736/? E/AndroidRuntime: at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:601) 03-20 22:35:58.002 23736-23736/? E/AndroidRuntime: at dalvik.system.NativeStart.main(Native Method)
