initial commit

.gitignore

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+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures
+
+# Built application files
+*.apk
+*.ap_
+bin/
+gen/
+classes/
+gen-external-apklibs/
+
+# Eclipse project files
+.classpath
+.project
+.metadata
+.settings
+
+# IntelliJ files
+.idea
+*.iml
+
+# OSX files
+.DS_Store
+
+# Windows files
+Thumbs.db
+
+# vi swap files
+*.swp
+
+# backup files
+*.bak
+
+
+# Files for the Dalvik VM
+*.dex
+
+# Java class files
+*.class
+
+# Generated files
+bin/
+gen/
+
+# Gradle files
+.gradle/
+build/
+.gradle
+
+#maven files
+target/
+/null
+
+# Local configuration file (sdk path, etc)
+
+local.properties
+
+# Proguard folder generated by Eclipse
+proguard/
+
+#Log Files
+*.log
+
+
+#crashlytics
+app/src/main/res/values/com_crashlytics_export_strings.xml
+
+#infer
+infer-out/

README.md

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+# AdapterDelegates
+Read more about this project in my blog post.
+
+
+## Idea
+The idea of this library is to build your adapters by composing reusable components like `AdapterDelegates`

app/.gitignore

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+# Built application files
+*.apk
+*.ap_
+bin/
+gen/
+classes/
+gen-external-apklibs/
+
+# Eclipse project files
+.classpath
+.project
+.metadata
+.settings
+
+# IntelliJ files
+.idea
+*.iml
+
+# OSX files
+.DS_Store
+
+# Windows files
+Thumbs.db
+
+# vi swap files
+*.swp
+
+# backup files
+*.bak
+
+
+# Files for the Dalvik VM
+*.dex
+
+# Java class files
+*.class
+
+# Generated files
+bin/
+gen/
+
+# Gradle files
+.gradle/
+build/
+.gradle
+
+#maven files
+target/
+/null
+
+# Local configuration file (sdk path, etc)
+
+local.properties
+
+# Proguard folder generated by Eclipse
+proguard/
+
+#Log Files
+*.log
+
+
+#crashlytics
+app/src/main/res/values/com_crashlytics_export_strings.xml
+
+#infer
+infer-out/

app/build.gradle

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+apply plugin: 'com.android.application'
+
+android {
+  compileSdkVersion 22
+  buildToolsVersion "23.0.0 rc2"
+
+  defaultConfig {
+    applicationId "com.hannesdorfmann.adapterdelegates.sample"
+    minSdkVersion 8
+    targetSdkVersion 22
+    versionCode 1
+    versionName "1.0"
+  }
+  buildTypes {
+    release {
+      minifyEnabled false
+      proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+    }
+  }
+}
+
+dependencies {
+  compile fileTree(dir: 'libs', include: ['*.jar'])
+  compile rootProject.ext.appCompat
+  compile rootProject.ext.recyclerView
+
+  compile project(':library')
+}

app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in /Users/hannes/android-sdks/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.hannesdorfmann.adapterdelegates.sample"
+    >
+
+  <application
+      android:allowBackup="true"
+      android:icon="@mipmap/ic_launcher"
+      android:label="@string/app_name"
+      android:theme="@style/AppTheme"
+      >
+    <activity
+        android:name=".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>
+
+    <activity
+        android:name=".ReptilesActivity"
+        android:label="Reptiels"
+        />
+  </application>
+
+</manifest>

app/src/main/java/com/hannesdorfmann/adapterdelegates/sample/MainActivity.java

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+package com.hannesdorfmann.adapterdelegates.sample;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.RecyclerView;
+import android.view.View;
+import com.hannesdorfmann.adapterdelegates.sample.model.Advertisement;
+import com.hannesdorfmann.adapterdelegates.sample.model.Cat;
+import com.hannesdorfmann.adapterdelegates.sample.model.DisplayableItem;
+import com.hannesdorfmann.adapterdelegates.sample.model.Dog;
+import com.hannesdorfmann.adapterdelegates.sample.model.Gecko;
+import com.hannesdorfmann.adapterdelegates.sample.model.Snake;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+public class MainActivity extends AppCompatActivity {
+
+  @Override protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    setContentView(R.layout.activity_main);
+
+    RecyclerView rv = (RecyclerView) findViewById(R.id.recyclerView);
+    rv.setLayoutManager(new LinearLayoutManager(this));
+    MainAdapter adapter = new MainAdapter(this, getAnimals());
+    rv.setAdapter(adapter);
+
+
+    findViewById(R.id.reptielsActivity).setOnClickListener(new View.OnClickListener() {
+      @Override public void onClick(View v) {
+        startActivity(new Intent(MainActivity.this, ReptilesActivity.class));
+      }
+    });
+  }
+
+  private List<DisplayableItem> getAnimals() {
+    List<DisplayableItem> animals = new ArrayList<>();
+
+    animals.add(new Cat("American Curl"));
+    animals.add(new Cat("Baliness"));
+    animals.add(new Cat("Bengal"));
+    animals.add(new Cat("Corat"));
+    animals.add(new Cat("Manx"));
+    animals.add(new Cat("Nebelung"));
+    animals.add(new Dog("Aidi"));
+    animals.add(new Dog("Chinook"));
+    animals.add(new Dog("Appenzeller"));
+    animals.add(new Dog("Collie"));
+    animals.add(new Snake("Mub Adder", "Adder"));
+    animals.add(new Snake("Texas Blind Snake", "Blind snake"));
+    animals.add(new Snake("Tree Boa", "Boa"));
+    animals.add(new Gecko("Fat-tailed", "Hemitheconyx"));
+    animals.add(new Gecko("Stenodactylus", "Dune Gecko"));
+    animals.add(new Gecko("Leopard Gecko", "Eublepharis"));
+    animals.add(new Gecko("Madagascar Gecko", "Phelsuma"));
+    animals.add(new Advertisement());
+    animals.add(new Advertisement());
+    animals.add(new Advertisement());
+    animals.add(new Advertisement());
+    animals.add(new Advertisement());
+
+    Collections.shuffle(animals);
+    return animals;
+  }
+}

app/src/main/java/com/hannesdorfmann/adapterdelegates/sample/MainAdapter.java

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+/*
+ * Copyright (c) 2015 Hannes Dorfmann.
+ *
+ *  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.hannesdorfmann.adapterdelegates.sample;
+
+import android.app.Activity;
+import android.support.v7.widget.RecyclerView;
+import android.view.ViewGroup;
+import com.hannesdorfmann.adapterdelegates.AdapterDelegatesManager;
+import com.hannesdorfmann.adapterdelegates.sample.adapterdelegates.AdvertisementAdapterDelegate;
+import com.hannesdorfmann.adapterdelegates.sample.adapterdelegates.CatAdapterDelegate;
+import com.hannesdorfmann.adapterdelegates.sample.adapterdelegates.DogAdapterDelegate;
+import com.hannesdorfmann.adapterdelegates.sample.adapterdelegates.GeckoAdapterDelegate;
+import com.hannesdorfmann.adapterdelegates.sample.adapterdelegates.SnakeAdapterDelegate;
+import com.hannesdorfmann.adapterdelegates.sample.model.DisplayableItem;
+import java.util.List;
+
+/**
+ * @author Hannes Dorfmann
+ */
+public class MainAdapter extends RecyclerView.Adapter {
+
+  private AdapterDelegatesManager<List<DisplayableItem>> delegatesManager;
+  private List<DisplayableItem> items;
+
+  public MainAdapter(Activity activity, List<DisplayableItem> items) {
+    this.items = items;
+
+    // Delegates
+    delegatesManager = new AdapterDelegatesManager<>();
+    delegatesManager.addDelegate(new AdvertisementAdapterDelegate(activity, 0));
+    delegatesManager.addDelegate(new CatAdapterDelegate(activity, 1));
+    delegatesManager.addDelegate(new DogAdapterDelegate(activity, 2));
+    delegatesManager.addDelegate(new GeckoAdapterDelegate(activity, 3));
+    delegatesManager.addDelegate(new SnakeAdapterDelegate(activity, 4));
+
+  }
+
+  @Override public int getItemViewType(int position) {
+    return delegatesManager.getItemViewType(items, position);
+  }
+
+  @Override public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+    return delegatesManager.onCreateViewHolder(parent, viewType);
+  }
+
+  @Override public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
+    delegatesManager.onBindViewHolder(items, position, holder);
+  }
+
+  @Override public int getItemCount() {
+    return items.size();
+  }
+}