initial commit

.gitignore

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+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures
+.externalNativeBuild

README.md

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+# How to install 
+add the followig to gradle to install
+```
+allprojects{
+    repositories {
+        jcenter()
+        maven { url "https://jitpack.io" }
+    }
+}
+```
+```
+dependencies {
+    ...
+    compile 'com.github.marksalpeter:contract-fragment:1.0
+}
+```
+
+# Example
+```java 
+import com.marksalpeter.contractfragment.ContractFragment;
+
+public class MyFragment extends ContractFragment<Name.Contract> {
+
+    public static final String TAG = Name.class.getSimpleName();
+
+    /**
+     * Contract has to be implemented by the parent fragment or the parent activity
+     */
+    public interface Contract {
+		void method()
+    }
+
+    /**
+     * newInterface returns a new fragment
+     */
+    public static Name newInstance() {
+        Name fragment = new Name();
+        return fragment;
+    }
+
+    @Override public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+		getContract().method();
+    }
+}
+```

build.gradle

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+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+
+buildscript {
+    repositories {
+        jcenter()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:2.2.3'
+
+        // NOTE: Do not place your application dependencies here; they belong
+        // in the individual module build.gradle files
+    }
+}
+
+allprojects {
+    repositories {
+        jcenter()
+    }
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}

fragment/.gitignore

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+/build

fragment/build.gradle

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+apply plugin: 'com.android.library'
+
+android {
+    compileSdkVersion 25
+    buildToolsVersion "24.0.1"
+
+    defaultConfig {
+        minSdkVersion 19
+        targetSdkVersion 25
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    compile fileTree(dir: 'libs', include: ['*.jar'])
+    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
+        exclude group: 'com.android.support', module: 'support-annotations'
+    })
+    testCompile 'junit:junit:4.12'
+}

fragment/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 /Applications/Android SDK/sdk/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 *;
+#}

fragment/src/androidTest/java/com/marksalpeter/fragment/ExampleInstrumentedTest.java

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+package com.marksalpeter.fragment;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumentation test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() throws Exception {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getTargetContext();
+
+        assertEquals("com.marksalpeter.contractfragment.test", appContext.getPackageName());
+    }
+}

fragment/src/main/AndroidManifest.xml

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+<manifest package="com.marksalpeter.fragment"
+          xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <application android:allowBackup="true"
+                 android:label="@string/app_name"
+                 android:supportsRtl="true"
+    >
+
+    </application>
+
+</manifest>