Java tutorial
// Copyright 2015 Google Inc. All rights reserved. // // 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.google.sample.libproximitybeacon; import android.os.Handler; import android.os.Looper; import com.squareup.okhttp.Callback; import com.squareup.okhttp.Request; import com.squareup.okhttp.Response; import java.io.IOException; /** * A wrapper around OkHttp's Callback class that runs its methods on the UI thread. */ class HttpCallback implements Callback { private final Callback delegate; private final Handler handler; public HttpCallback(Callback delegate) { this.delegate = delegate; this.handler = new Handler(Looper.getMainLooper()); } @Override public void onFailure(final Request request, final IOException e) { handler.post(new Runnable() { @Override public void run() { delegate.onFailure(request, e); } }); } @Override public void onResponse(final Response response) throws IOException { handler.post(new Runnable() { @Override public void run() { try { delegate.onResponse(response); } catch (IOException e) { delegate.onFailure(null, e); } } }); } }