first commit

AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest
+    xmlns:a="http://schemas.android.com/apk/res/android"
+    a:versionCode="1"
+    a:versionName="1.0.0-SNAPSHOT"
+    package="com.example"
+    >
+
+  <uses-sdk
+      a:minSdkVersion="8"
+      a:targetSdkVersion="8"
+      />
+
+  <application
+      a:debuggable="true"
+      a:label="@string/app_name"
+      a:icon="@drawable/android:star_big_on"
+      a:installLocation="auto"
+      >
+    <activity a:name=".MainActivity">
+      <intent-filter>
+        <action a:name="android.intent.action.MAIN" />
+        <category a:name="android.intent.category.LAUNCHER" />
+      </intent-filter>
+    </activity>
+  </application>
+</manifest>

README.md

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+# Maven Android Scala Prototype #
+This setup works. We use it with multiple clients.
+
+## Setup ##
+- Install JDK 1.5+.
+- Install the Android SDK.
+- Install Maven 3.0.3+.
+- Set the ennvironment variable `ANDROID_HOME` to the path of your Android SDK.
+- Add `$ANDROID_HOME/tools` and `$ANDROID_HOME/platform_tools` to your `$PATH`.
+
+## Compile & Run on Attached Device or Running Emulator ##
+
+    $ mvn clean install android:deploy
+
+## Help ##
+
+    $ mvn android:help
+
+## Improvement ##
+I'm trying to figure out how to:
+
+- Avoid running ProGuard during development mode
+- Reduce the jar search path to avoid all the duplicate jars that ProGuard wastes time on
+- Integrate ProguardCache (banshee/ProguardCache)
+- Introduce multiple modes, one for development and one for deploy
+- Specify the key to sign with
+
+If you can do any of these things, please send me a pull request on GitHub.
+
+## Troubleshooting ##
+
+### Device permissions ###
+On recent versions of Ubuntu you may get a permission denied error 
+trying to develop with a physical phone. You will also see this in sbt:
+
+     $ adb devices
+     List of devices attached 
+     ????????????    no permissions
+
+To solve this problem, create the file `/etc/udev/rules.d/51-android.rules` and
+paste these contents:
+
+    SUBSYSTEM=="usb", SYSFS{idVendor}=="0bb4", MODE="0666"
+    SUBSYSTEM=="usb", SYSFS{idVendor}=="22b8", MODE="0666"
+    SUBSYSTEM=="usb", SYSFS{idVendor}=="18d1", MODE="0666"
+    SUBSYSTEMS=="usb", ATTRS{idVendor}=="18d1", ATTRS{idProduct}=="0c01",
+    MODE="0666", OWNER="[me]"
+    SUBSYSTEM=="usb", SYSFS{idVendor}=="19d2", SYSFS{idProduct}=="1354", MODE="0666"
+    SUBSYSTEM=="usb", SYSFS{idVendor}=="04e8", SYSFS{idProduct}=="681c", MODE="0666"
+
+Then run `sudo service udev reload`, unplug and replug the device, and things should work:
+
+     $ adb devices
+     List of devices attached 
+     015A7A370900601C         device
+
+## Contact ##
+
+- If you have questions, I suggest you email the scala-on-android Google group (https://groups.google.com/forum/?fromgroups#!forum/scala-on-android) and CC me.
+- [email protected]
+- http://combinatory.net
+- http://yuvimasory.com
+

pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"
+    >
+
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>com.example</groupId>
+  <artifactId>prototype</artifactId>
+  <version>1.0.0-SNAPSHOT</version>
+  <packaging>apk</packaging>
+  <name>Maven Android Scala Prototype</name>
+
+
+  <repositories>
+    <repository>
+      <id>scala-tools.org</id>
+      <name>Scala-tools Maven2 Repository</name>
+      <url>http://scala-tools.org/repo-releases</url>
+    </repository>
+  </repositories>
+  <pluginRepositories>
+    <pluginRepository>
+      <id>scala-tools.org</id>
+      <name>Scala-tools Maven2 Repository</name>
+      <url>http://scala-tools.org/repo-releases</url>
+    </pluginRepository>
+  </pluginRepositories>
+
+
+  <dependencies>
+    <dependency>
+      <groupId>com.google.android</groupId>
+      <artifactId>android</artifactId>
+      <version>2.2.1</version>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.scala-lang</groupId>
+      <artifactId>scala-library</artifactId>
+      <version>2.9.1</version>
+    </dependency>
+  </dependencies>
+
+
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+  </properties>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.scala-tools</groupId>
+        <artifactId>maven-scala-plugin</artifactId>
+        <version>2.13.1</version>
+        <executions>
+          <execution>
+            <id>scala-compile-first</id>
+            <phase>process-resources</phase>
+            <goals>
+              <goal>add-source</goal>
+              <goal>compile</goal>
+            </goals>
+          </execution>
+          <execution>
+            <id>scala-test-compile</id>
+            <phase>process-test-resources</phase>
+            <goals>
+              <goal>testCompile</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+      <plugin>
+        <groupId>com.jayway.maven.plugins.android.generation2</groupId>
+        <artifactId>android-maven-plugin</artifactId>
+        <version>3.1.1</version>
+        <configuration>
+          <emulator> <avd>wvga</avd> </emulator>
+          <manifest> <debuggable>true</debuggable> </manifest>
+          <proguard>
+            <config>proguard.cfg</config>
+            <skip>false</skip>
+          </proguard>
+          <sdk> <platform>8</platform> </sdk>
+          <test> <skip>true</skip> </test>
+          <undeployBeforeDeploy>false</undeployBeforeDeploy>
+        </configuration>
+        <extensions>true</extensions>
+      </plugin>
+    </plugins>
+  </build>
+</project>

proguard.cfg

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+-dontobfuscate
+-dontoptimize
+-dontpreverify
+-dontwarn
+
+-dontnote scala.Enumeration
+-dontnote org.xml.sax.EntityResolver
+
+-keep public class scala.Option
+-keep public class scala.Function0
+-keep public class scala.Function1
+-keep public class scala.collection.Seq
+-keep public class scala.collection.immutable.Map
+-keep public class scala.collection.immutable.List
+-keep public class scala.collection.immutable.Vector
+-keep public class * extends android.app.Activity
+-keep public class * extends android.app.Application
+-keep public class * extends android.app.Service
+-keep public class * extends android.app.backup.BackupAgentHelper
+-keep public class * extends android.appwidget.AppWidgetProvider
+-keep public class * extends android.content.BroadcastReceiver
+-keep public class * extends android.content.ContentProvider
+-keep public class * extends android.preference.Preference
+-keep public class * extends android.view.View
+
+-keepclasseswithmembernames class * {
+    native <methods>;
+}
+
+-keepclasseswithmembers class * {
+    public <init>(android.content.Context, android.util.AttributeSet);
+}
+
+-keepclasseswithmembers class * {
+    public <init>(android.content.Context, android.util.AttributeSet, int);
+}
+
+-keepclassmembers class * extends android.app.Activity {
+   public void *(android.view.View);
+}
+
+-keepclassmembers enum * {
+    public static **[] values();
+    public static ** valueOf(java.lang.String);
+}
+
+-keep class * implements android.os.Parcelable {
+  public static final android.os.Parcelable$Creator *;
+}

res/layout/activity_main.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<TextView
+    a:gravity="center"
+    a:layout_width="match_parent"
+    a:layout_height="match_parent"
+    a:padding="5dp"
+    a:text="@string/app_name"
+    a:textSize="20sp"
+    a:textStyle="bold"
+    xmlns:a="http://schemas.android.com/apk/res/android"
+    />

res/values/strings.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+  <string name="app_name">Maven Android Scala Prototype</string>
+</resources>

src/main/scala/MainActivity.scala

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+package com.example
+
+import android.app.Activity
+import android.os.Bundle
+
+class MainActivity extends Activity { act =>
+
+  override def onCreate(saved: Bundle) {
+    super.onCreate(saved)
+    act setContentView R.layout.activity_main
+  }
+}