[英]Android Volley Error
運行程序時突然出現Android凌空錯誤。在這里我粘貼了AppController類來處理凌空對象。
AppController.java
public class AppController extends Application {
public static final String TAG = AppController.class.getSimpleName();
private RequestQueue mRequestQueue;
private static AppController mInstance;
@Override
public void onCreate() {
super.onCreate();
mInstance = this;
}
public static synchronized AppController getInstance() {
return mInstance;
}
public RequestQueue getRequestQueue() {
if (mRequestQueue == null) {
mRequestQueue = Volley.newRequestQueue(getApplicationContext());
}
return mRequestQueue;
}
public <T> void addToRequestQueue(Request<T> req, String tag) {
req.setTag(TextUtils.isEmpty(tag) ? TAG : tag);
getRequestQueue().add(req);
}
public <T> void addToRequestQueue(Request<T> req) {
req.setTag(TAG);
getRequestQueue().add(req);
}
public void cancelPendingRequests(Object tag) {
if (mRequestQueue != null) {
mRequestQueue.cancelAll(tag);
}
}
}
我在程序的另一個類中調用此類
AppController.getInstance()。addToRequestQueue(strReq,tag_string_req);
它會在這么多天內執行而沒有任何錯誤,但是現在它顯示錯誤
錯誤:
java.lang.NoSuchMethodError: No virtual method setTag(Ljava/lang/Object;)Lcom/android/volley/Request; in class Lcom/android/volley/Request or its super classes (declaration of 'com.android.volley.Request'; appears in /data/app/com.example.rninja4.rookie-1/split_lib_dependencies_apk.apk:classes6.dex)
at com.example.packagename.App.AppController.addToRequestQueue(AppController.java:39)
您尚未在清單中聲明應用程序類,如下所示。
<application
android:name="AppController"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name" >
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