Java tutorial
/* * Copyright (C) 2017 Venus Software(VIC), Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.vic.rxnetsdk; import android.app.Activity; import android.net.ParseException; import android.util.Log; import com.google.gson.JsonParseException; import org.json.JSONException; import java.net.ConnectException; import java.net.SocketTimeoutException; import java.net.UnknownHostException; import retrofit2.HttpException; import rx.Subscriber; /** * RxSubscriber * ???Subscriber */ public abstract class RxSubscriber<T> extends Subscriber<T> { private static final String TAG = RxSubscriber.class.getSimpleName(); private Activity activity; public RxSubscriber() { } public RxSubscriber(Activity activity) { this.activity = activity; } @Override public void onStart() { super.onStart(); Log.i(TAG, "onCompleted()"); } @Override public void onCompleted() { Log.i(TAG, "onCompleted()"); } @Override public void onError(Throwable e) { Log.e(TAG, "onError()"); String msg = ""; if (e instanceof HttpException) { msg = "http?" + ((HttpException) e).code(); } else if (e instanceof ConnectException || e instanceof SocketTimeoutException) { msg = ""; } else if (e instanceof JsonParseException || e instanceof JSONException || e instanceof ParseException) { msg = "?"; } else if (e instanceof UnknownHostException) { msg = "???"; } else { msg = ""; } e.printStackTrace(); if (activity == null) { onFailure(msg); } else { final String finalMsg = msg; activity.runOnUiThread(new Runnable() { @Override public void run() { onFailure(finalMsg); } }); } } @Override public void onNext(final T t) { Log.i(TAG, "onNext()"); if (activity == null) { callBack(t); } else { activity.runOnUiThread(new Runnable() { @Override public void run() { callBack(t); } }); } } protected void onFailure(String msg) { } //? protected abstract void callBack(T t); }