completed edition of sample app

Testing/EspressoIdle/README.markdown

@@ -0,0 +1,7 @@
+This sample Android app demonstrates
+the use of OkHttp 3.x.
+
+This app is covered in 
+[the chapter on Internet access](https://commonsware.com/Android/previews/internet-access)
+in [*The Busy Coder's Guide to Android Development*](https://commonsware.com/Android/).
+

Testing/EspressoIdle/app/build.gradle

@@ -1,22 +1,22 @@
 apply plugin: 'com.android.application'
 
 dependencies {
-	androidTestCompile 'com.android.support:support-annotations:24.0.0'
-	androidTestCompile 'com.android.support.test.espresso:espresso-core:2.2.2'
+    compile 'de.greenrobot:eventbus:2.4.0'
+    compile 'com.google.code.gson:gson:2.4'
+    compile 'com.squareup.okhttp3:okhttp:3.4.0'
+    androidTestCompile 'com.android.support:support-annotations:24.1.1'
+    androidTestCompile 'com.android.support.test.espresso:espresso-core:2.2.2'
+    androidTestCompile 'com.jakewharton.espresso:okhttp3-idling-resource:1.0.0'
 }
 
 android {
-	compileSdkVersion 24
-	buildToolsVersion "24.0.0"
+    compileSdkVersion 24
+    buildToolsVersion "24.0.1"
 
-	defaultConfig {
-		minSdkVersion 14
-		targetSdkVersion 22
-		testApplicationId "com.commonsware.android.async.test"
-		testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
-	}
-
-	packagingOptions {
-		exclude 'LICENSE.txt'
-	}
+    defaultConfig {
+        minSdkVersion 14
+        targetSdkVersion 22
+        testApplicationId "com.commonsware.android.espresso.idle"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
 }

Testing/EspressoIdle/app/src/androidTest/java/com/commonsware/android/okhttp/OkHttpTests.java

@@ -0,0 +1,93 @@
+/***
+ Copyright (c) 2016 CommonsWare, LLC
+ 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.
+
+ From _The Busy Coder's Guide to Android Development_
+ https://commonsware.com/Android
+ */
+
+package com.commonsware.android.okhttp;
+
+import android.support.test.espresso.Espresso;
+import android.support.test.espresso.IdlingResource;
+import android.support.test.espresso.NoMatchingViewException;
+import android.support.test.espresso.ViewAssertion;
+import android.support.test.rule.ActivityTestRule;
+import android.support.test.runner.AndroidJUnit4;
+import android.view.View;
+import android.widget.AdapterView;
+import com.jakewharton.espresso.OkHttp3IdlingResource;
+import junit.framework.Assert;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import java.io.IOException;
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+import static android.support.test.espresso.Espresso.onView;
+import static android.support.test.espresso.matcher.ViewMatchers.withId;
+
+@RunWith(AndroidJUnit4.class)
+public class OkHttpTests {
+  @Rule
+  public final ActivityTestRule<MainActivity> main
+    =new ActivityTestRule(MainActivity.class, true);
+
+  private static final String URL=
+    "https://wares.commonsware.com/test.json";
+  private static final String EXPECTED="{\"Hello\": \"world\"}";
+
+  @Test
+  public void syncTest() throws IOException {
+    OkHttpClient client=new OkHttpClient.Builder().build();
+    Request request=new Request.Builder().url(URL).build();
+    Response response=client.newCall(request).execute();
+
+    Assert.assertEquals(EXPECTED, response.body().string());
+  }
+
+  @Test
+  public void unreliableAsyncTest() {
+    onView(withId(android.R.id.list))
+      .check(new AdapterCountAssertion(100));
+  }
+
+  @Test
+  public void moreReliableAsyncTest() {
+    IdlingResource idleWild=
+      OkHttp3IdlingResource.create("okhttp3",
+        main.getActivity().getOkHttpClient());
+
+    Espresso.registerIdlingResources(idleWild);
+
+    try {
+      onView(withId(android.R.id.list))
+        .check(new AdapterCountAssertion(100));
+    }
+    finally {
+      Espresso.unregisterIdlingResources(idleWild);
+    }
+  }
+
+  static class AdapterCountAssertion implements ViewAssertion {
+    private final int count;
+
+    AdapterCountAssertion(int count) {
+      this.count=count;
+    }
+
+    @Override
+    public void check(View view,
+                      NoMatchingViewException noViewFoundException) {
+      Assert.assertTrue(view instanceof AdapterView);
+      Assert.assertEquals(count,
+        ((AdapterView)view).getAdapter().getCount());
+    }
+  }}

Testing/EspressoIdle/app/src/main/AndroidManifest.xml

@@ -1,25 +1,18 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-	package="com.commonsware.android.async"
+	package="com.commonsware.android.okhttp"
 	android:versionCode="1"
 	android:versionName="1.0">
 
-	<supports-screens
-		android:anyDensity="true"
-		android:largeScreens="true"
-		android:normalScreens="true"
-		android:smallScreens="true"/>
-
-	<uses-sdk
-		android:minSdkVersion="14"
-		android:targetSdkVersion="14"/>
+	<uses-permission android:name="android.permission.INTERNET"/>
 
 	<application
+		android:allowBackup="true"
 		android:icon="@drawable/ic_launcher"
 		android:label="@string/app_name"
-		android:theme="@android:style/Theme.Holo.Light.DarkActionBar">
+		android:theme="@style/Theme.Apptheme">
 		<activity
-			android:name=".AsyncDemo"
+			android:name="MainActivity"
 			android:label="@string/app_name">
 			<intent-filter>
 				<action android:name="android.intent.action.MAIN"/>
@@ -29,4 +22,4 @@
 		</activity>
 	</application>
 
-</manifest>
+</manifest>

Testing/EspressoIdle/app/src/main/java/com/commonsware/android/async/AsyncDemo.java → Testing/EspressoIdle/app/src/main/java/com/commonsware/android/okhttp/Item.java

@@ -1,5 +1,5 @@
 /***
-  Copyright (c) 2012-14 CommonsWare, LLC
+  Copyright (c) 2013-2015 CommonsWare, LLC
   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
@@ -12,20 +12,14 @@
     https://commonsware.com/Android
  */
 
-package com.commonsware.android.async;
+package com.commonsware.android.okhttp;
 
-import android.app.Activity;
-import android.os.Bundle;
-
-public class AsyncDemo extends Activity {
+public class Item {
+  String title;
+  String link;
+  
   @Override
-  public void onCreate(Bundle savedInstanceState) {
-    super.onCreate(savedInstanceState);
-
-    if (getFragmentManager().findFragmentById(android.R.id.content) == null) {
-      getFragmentManager().beginTransaction()
-                          .add(android.R.id.content,
-                               new AsyncDemoFragment()).commit();
-    }
+  public String toString() {
+    return(title);
   }
 }

Testing/EspressoIdle/app/src/main/java/com/commonsware/android/okhttp/MainActivity.java

@@ -0,0 +1,59 @@
+/***
+  Copyright (c) 2013-2015 CommonsWare, LLC
+  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.
+  
+  From _The Busy Coder's Guide to Android Development_
+    https://commonsware.com/Android
+ */
+
+package com.commonsware.android.okhttp;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Bundle;
+import de.greenrobot.event.EventBus;
+import okhttp3.OkHttpClient;
+
+public class MainActivity extends Activity {
+  private final OkHttpClient client=
+    new OkHttpClient.Builder().build();
+
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+
+    if (getFragmentManager().findFragmentById(android.R.id.content) == null) {
+      getFragmentManager().beginTransaction()
+                          .add(android.R.id.content,
+                               new QuestionsFragment()).commit();
+    }
+  }
+
+  @Override
+  public void onResume() {
+    super.onResume();
+    EventBus.getDefault().register(this);
+  }
+
+  @Override
+  public void onPause() {
+    EventBus.getDefault().unregister(this);
+    super.onPause();
+  }
+
+  public void onEventMainThread(QuestionClickedEvent event) {
+    startActivity(new Intent(Intent.ACTION_VIEW,
+                             Uri.parse(event.item.link)));
+  }
+
+  OkHttpClient getOkHttpClient() {
+    return(client);
+  }
+}