new sample apps

SSL/NetSecCfg/app/build.gradle

@@ -0,0 +1,17 @@
+apply plugin: 'com.android.application'
+
+dependencies {
+    compile 'com.squareup.picasso:picasso:2.5.2'
+    compile 'com.squareup.retrofit2:converter-gson:2.1.0'
+}
+
+android {
+    compileSdkVersion 25
+    buildToolsVersion "25.0.2"
+
+    defaultConfig {
+        minSdkVersion 15
+        targetSdkVersion 25
+        applicationId "com.commonsware.android.netseccfg"
+    }
+}

SSL/NetSecCfg/app/src/main/AndroidManifest.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest package="com.commonsware.android.picasso"
+  xmlns:android="http://schemas.android.com/apk/res/android"
+  android:versionCode="1"
+  android:versionName="1.0">
+
+  <uses-permission android:name="android.permission.INTERNET" />
+
+  <application
+    android:allowBackup="false"
+    android:icon="@drawable/ic_launcher"
+    android:label="@string/app_name"
+    android:networkSecurityConfig="@xml/net_security_config"
+    android:theme="@style/Theme.Apptheme">
+    <activity
+      android:name="com.commonsware.android.picasso.MainActivity"
+      android:label="@string/app_name">
+      <intent-filter>
+        <action android:name="android.intent.action.MAIN" />
+
+        <category android:name="android.intent.category.LAUNCHER" />
+      </intent-filter>
+    </activity>
+  </application>
+
+</manifest>

SSL/NetSecCfg/app/src/main/java/com/commonsware/android/picasso/Item.java

@@ -0,0 +1,26 @@
+/***
+  Copyright (c) 2013 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.
+  
+  Covered in detail in the book _The Busy Coder's Guide to Android Development_
+    https://commonsware.com/Android
+ */
+
+package com.commonsware.android.picasso;
+
+public class Item {
+  String title;
+  Owner owner;
+  String link;
+
+  @Override
+  public String toString() {
+    return(title);
+  }
+}

SSL/NetSecCfg/app/src/main/java/com/commonsware/android/picasso/MainActivity.java

@@ -0,0 +1,40 @@
+/***
+  Copyright (c) 2013-2014 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.
+  
+  Covered in detail in the book _The Busy Coder's Guide to Android Development_
+    https://commonsware.com/Android
+ */
+
+package com.commonsware.android.picasso;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Bundle;
+
+public class MainActivity extends Activity
+  implements QuestionsFragment.Contract {
+  @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 onQuestion(Item question) {
+    startActivity(new Intent(Intent.ACTION_VIEW,
+                             Uri.parse(question.link)));
+  }
+}

SSL/NetSecCfg/app/src/main/java/com/commonsware/android/picasso/Owner.java

@@ -0,0 +1,21 @@
+/***
+  Copyright (c) 2013 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.
+  
+  Covered in detail in the book _The Busy Coder's Guide to Android Development_
+    https://commonsware.com/Android
+ */
+
+package com.commonsware.android.picasso;
+
+import com.google.gson.annotations.SerializedName;
+
+public class Owner {
+  @SerializedName("profile_image") String profileImage;
+}

SSL/NetSecCfg/app/src/main/java/com/commonsware/android/picasso/QuestionsFragment.java

@@ -0,0 +1,109 @@
+/***
+  Copyright (c) 2013-2014 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.
+  
+  Covered in detail in the book _The Busy Coder's Guide to Android Development_
+    https://commonsware.com/Android
+ */
+
+package com.commonsware.android.picasso;
+
+import android.app.ListFragment;
+import android.os.Bundle;
+import android.text.Html;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+import android.widget.ImageView;
+import android.widget.ListView;
+import android.widget.TextView;
+import android.widget.Toast;
+import com.squareup.picasso.Picasso;
+import java.util.List;
+import retrofit2.Call;
+import retrofit2.Callback;
+import retrofit2.Response;
+import retrofit2.Retrofit;
+import retrofit2.converter.gson.GsonConverterFactory;
+
+public class QuestionsFragment extends ListFragment implements
+    Callback<SOQuestions> {
+  public interface Contract {
+    void onQuestion(Item question);
+  }
+
+  @Override
+  public View onCreateView(LayoutInflater inflater,
+                           ViewGroup container,
+                           Bundle savedInstanceState) {
+    View result=
+        super.onCreateView(inflater, container, savedInstanceState);
+
+    setRetainInstance(true);
+
+    Retrofit retrofit=
+      new Retrofit.Builder()
+        .baseUrl("https://api.stackexchange.com")
+        .addConverterFactory(GsonConverterFactory.create())
+        .build();
+    StackOverflowInterface so=
+      retrofit.create(StackOverflowInterface.class);
+
+    so.questions("android").enqueue(this);
+
+    return(result);
+  }
+
+  @Override
+  public void onListItemClick(ListView l, View v, int position, long id) {
+    Item item=((ItemsAdapter)getListAdapter()).getItem(position);
+
+    ((Contract)getActivity()).onQuestion(item);
+  }
+
+  @Override
+  public void onResponse(Call<SOQuestions> call,
+                         Response<SOQuestions> response) {
+    setListAdapter(new ItemsAdapter(response.body().items));
+  }
+
+  @Override
+  public void onFailure(Call<SOQuestions> call, Throwable t) {
+    Toast.makeText(getActivity(), t.getMessage(),
+      Toast.LENGTH_LONG).show();
+    Log.e(getClass().getSimpleName(),
+      "Exception from Retrofit request to StackOverflow", t);
+  }
+
+  class ItemsAdapter extends ArrayAdapter<Item> {
+    ItemsAdapter(List<Item> items) {
+      super(getActivity(), R.layout.row, R.id.title, items);
+    }
+
+    @Override
+    public View getView(int position, View convertView, ViewGroup parent) {
+      View row=super.getView(position, convertView, parent);
+      Item item=getItem(position);
+      ImageView icon=(ImageView)row.findViewById(R.id.icon);
+
+      Picasso.with(getActivity()).load(item.owner.profileImage)
+             .fit().centerCrop()
+             .placeholder(R.drawable.owner_placeholder)
+             .error(R.drawable.owner_error).into(icon);
+
+      TextView title=(TextView)row.findViewById(R.id.title);
+
+      title.setText(Html.fromHtml(getItem(position).title));
+
+      return(row);
+    }
+  }
+}

SSL/NetSecCfg/app/src/main/java/com/commonsware/android/picasso/SOQuestions.java

@@ -0,0 +1,21 @@
+/***
+  Copyright (c) 2013 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.
+  
+  Covered in detail in the book _The Busy Coder's Guide to Android Development_
+    https://commonsware.com/Android
+ */
+
+package com.commonsware.android.picasso;
+
+import java.util.List;
+
+public class SOQuestions {
+  List<Item> items;
+}

SSL/NetSecCfg/app/src/main/java/com/commonsware/android/picasso/StackOverflowInterface.java

@@ -0,0 +1,24 @@
+/***
+  Copyright (c) 2013-2016 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.
+  
+  Covered in detail in the book _The Busy Coder's Guide to Android Development_
+    https://commonsware.com/Android
+ */
+
+package com.commonsware.android.picasso;
+
+import retrofit2.Call;
+import retrofit2.http.GET;
+import retrofit2.http.Query;
+
+public interface StackOverflowInterface {
+  @GET("/2.1/questions?order=desc&sort=creation&site=stackoverflow")
+  Call<SOQuestions> questions(@Query("tagged") String tags);
+}

SSL/NetSecCfg/app/src/main/res/layout/row.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+	android:layout_width="match_parent"
+	android:layout_height="wrap_content"
+	android:orientation="horizontal">
+
+	<ImageView
+		android:id="@+id/icon"
+		android:layout_width="@dimen/icon"
+		android:layout_height="@dimen/icon"
+		android:layout_gravity="center_vertical"
+		android:contentDescription="@string/icon"
+		android:padding="8dip"/>
+
+	<TextView
+		android:id="@+id/title"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:textSize="20sp"
+		android:layout_gravity="left|center_vertical"/>
+
+</LinearLayout>

SSL/NetSecCfg/app/src/main/res/raw/gdroot_g2.crt

@@ -0,0 +1,23 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----

SSL/NetSecCfg/app/src/main/res/values-v21/colors.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+  <color name="primary">#3f51b5</color>
+  <color name="primary_dark">#1a237e</color>
+  <color name="accent">#ffee58</color>
+</resources>

SSL/NetSecCfg/app/src/main/res/values-v21/styles.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+  <style name="Theme.Apptheme" parent="android:Theme.Material.Light.DarkActionBar">
+    <item name="android:colorPrimary">@color/primary</item>
+    <item name="android:colorPrimaryDark">@color/primary_dark</item>
+    <item name="android:colorAccent">@color/accent</item>
+  </style>
+</resources>

SSL/NetSecCfg/app/src/main/res/values/dimens.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <dimen name="icon">48dp</dimen>
+
+</resources>

SSL/NetSecCfg/app/src/main/res/values/strings.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+	<string name="app_name">Picasso Demo</string>
+	<string name="icon">Owner Icon</string>
+
+</resources>

SSL/NetSecCfg/app/src/main/res/values/styles.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+  <style name="Theme.Apptheme" parent="@android:style/Theme.Holo.Light.DarkActionBar">
+  </style>
+
+  <style name="activated" parent="Theme.Apptheme">
+    <item name="android:background">?android:attr/activatedBackgroundIndicator</item>
+  </style>
+
+</resources>

SSL/NetSecCfg/app/src/main/res/xml/net_security_config.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<network-security-config>
+  <domain-config>
+    <domain includeSubdomains="false">api.stackexchange.com</domain>
+    <trust-anchors>
+      <certificates src="@raw/digicert_high_assurance_ev_root_ca" />
+    </trust-anchors>
+  </domain-config>
+  <base-config>
+    <trust-anchors>
+      <certificates src="system" />
+    </trust-anchors>
+  </base-config>
+</network-security-config>