Adding the source

.gitignore

@@ -0,0 +1,40 @@
+# Custom
+_site
+
+# Ant
+MANIFEST.MF
+./*.jar
+build.num
+build
+
+# ADT
+.classpath
+.project
+.settings
+local.properties
+bin
+gen
+_layouts
+proguard.cfg
+
+# OSX
+.DS_Store
+
+# Github
+gh-pages
+
+# Gradle
+.gradle
+build
+
+# IDEA
+*.iml
+*.ipr
+*.iws
+out
+.idea
+
+# Maven
+target
+release.properties
+pom.xml.*

.travis.yml

@@ -0,0 +1,12 @@
+language: android
+
+before_install:
+    - chmod 755 gradlew
+    - echo yes | android update sdk --filter extra-android-support --no-ui --force > /dev/null
+    - echo yes | android update sdk --filter extra-android-m2repository --no-ui --force > /dev/null
+
+licenses:
+    - android-sdk-license-.+
+
+script:
+    ./gradlew checkstyle build

build.gradle

@@ -0,0 +1,14 @@
+buildscript {
+  repositories {
+    jcenter()
+  }
+  dependencies {
+    classpath 'com.android.tools.build:gradle:1.3.0'
+  }
+}
+
+allprojects {
+  repositories {
+    jcenter()
+  }
+}

config/checkstyle/checkstyle.xml

@@ -0,0 +1,134 @@
+<?xml version="1.0"?>
+<!DOCTYPE module PUBLIC
+    "-//Puppy Crawl//DTD Check Configuration 1.2//EN"
+    "https://www.puppycrawl.com/dtds/configuration_1_2.dtd">
+
+<!-- THIS CHECKSYTLE CONFIGURATION IS SIMILAR TO THE ONE USED BY SQUARE INC. IF YOU WANT TO
+     CONFIGURE YOUR IDE TO USE THIS CHECKSTYLE TAKE A LOOK AT https://github.com/square/java-code-styles-->
+
+<module name="Checker">
+  <!--module name="NewlineAtEndOfFile"/-->
+  <module name="FileLength"/>
+  <module name="FileTabCharacter"/>
+
+  <!-- Trailing spaces -->
+  <module name="RegexpSingleline">
+    <property name="format" value="\s+$"/>
+    <property name="message" value="Line has trailing spaces."/>
+  </module>
+
+  <!-- Space after 'for' and 'if' -->
+  <module name="RegexpSingleline">
+    <property name="format" value="^\s*(for|if)[^ ]"/>
+    <property name="message" value="Space needed before opening parenthesis."/>
+  </module>
+
+  <!-- For each spacing -->
+  <module name="RegexpSingleline">
+    <property name="format" value="^\s*for \(.*?([^ ]:|:[^ ])"/>
+    <property name="message" value="Space needed around ':' character."/>
+  </module>
+
+  <module name="TreeWalker">
+
+    <!-- Checks for Javadoc comments.                     -->
+    <!-- See http://checkstyle.sf.net/config_javadoc.html -->
+    <!--module name="JavadocMethod"/-->
+    <!--module name="JavadocType"/-->
+    <!--module name="JavadocVariable"/-->
+    <!--module name="JavadocStyle"/-->
+
+
+    <!-- Checks for Naming Conventions.                  -->
+    <!-- See http://checkstyle.sf.net/config_naming.html -->
+
+    <module name="LocalFinalVariableName"/>
+    <module name="LocalVariableName"/>
+    <module name="MemberName"/>
+    <module name="MethodName"/>
+    <module name="PackageName"/>
+    <module name="ParameterName"/>
+    <module name="TypeName"/>
+    <module name="ConstantName"/>
+
+    <!-- Checks for imports                              -->
+    <!-- See http://checkstyle.sf.net/config_import.html -->
+    <module name="AvoidStarImport"/>
+    <module name="IllegalImport"/>
+    <!-- defaults to sun.* packages -->
+    <module name="RedundantImport"/>
+    <module name="UnusedImports">
+      <property name="processJavadoc" value="true"/>
+    </module>
+
+    <!-- Checks for Size Violations.                    -->
+    <!-- See http://checkstyle.sf.net/config_sizes.html -->
+    <module name="LineLength">
+      <property name="max" value="120"/>
+    </module>
+
+    <!--module name="ParameterNumber"/-->
+
+
+    <!-- Checks for whitespace                               -->
+    <!-- See http://checkstyle.sf.net/config_whitespace.html -->
+    <module name="GenericWhitespace"/>
+    <module name="EmptyForIteratorPad"/>
+    <module name="MethodParamPad"/>
+    <module name="NoWhitespaceAfter"/>
+    <module name="NoWhitespaceBefore"/>
+    <module name="OperatorWrap"/>
+    <module name="ParenPad"/>
+    <module name="TypecastParenPad"/>
+    <module name="WhitespaceAfter"/>
+    <module name="WhitespaceAround"/>
+
+
+    <!-- Modifier Checks                                    -->
+    <!-- See http://checkstyle.sf.net/config_modifiers.html -->
+    <!--module name="ModifierOrder"/-->
+    <module name="RedundantModifier"/>
+
+
+    <!-- Checks for blocks. You know, those {}'s         -->
+    <!-- See http://checkstyle.sf.net/config_blocks.html -->
+    <!--module name="AvoidNestedBlocks"/-->
+    <!--module name="EmptyBlock"/-->
+    <module name="LeftCurly"/>
+    <!--module name="NeedBraces"/-->
+    <module name="RightCurly"/>
+
+
+    <!-- Checks for common coding problems               -->
+    <!-- See http://checkstyle.sf.net/config_coding.html -->
+    <!--module name="AvoidInlineConditionals"/-->
+    <module name="CovariantEquals"/>
+    <module name="EmptyStatement"/>
+    <!--<module name="EqualsAvoidNull"/>-->
+    <module name="EqualsHashCode"/>
+    <!--module name="HiddenField"/-->
+    <module name="IllegalInstantiation"/>
+    <!--<module name="InnerAssignment"/>-->
+    <!--module name="MagicNumber"/-->
+    <module name="MissingSwitchDefault"/>
+    <module name="RedundantThrows"/>
+    <module name="SimplifyBooleanExpression"/>
+    <module name="SimplifyBooleanReturn"/>
+
+    <!-- Checks for class design                         -->
+    <!-- See http://checkstyle.sf.net/config_design.html -->
+    <!--module name="DesignForExtension"/-->
+    <!--module name="FinalClass"/-->
+    <!--module name="HideUtilityClassConstructor"/-->
+    <!--module name="InterfaceIsType"/-->
+    <!--module name="VisibilityModifier"/-->
+
+
+    <!-- Miscellaneous other checks.                   -->
+    <!-- See http://checkstyle.sf.net/config_misc.html -->
+    <!--module name="ArrayTypeStyle"/-->
+    <!--module name="FinalParameters"/-->
+    <!--module name="TodoComment"/-->
+    <module name="UpperEll"/>
+  </module>
+</module>

gradle.properties

@@ -0,0 +1,18 @@
+# Project-wide Gradle settings.
+
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+# Default value: -Xmx10248m -XX:MaxPermSize=256m
+# org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
+
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true

gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,6 @@
+#Thu Feb 18 12:23:06 BRST 2016
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-2.4-all.zip

gradlew

@@ -0,0 +1,164 @@
+#!/usr/bin/env bash
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn ( ) {
+    echo "$*"
+}
+
+die ( ) {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+esac
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched.
+if $cygwin ; then
+    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
+fi
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >&-
+APP_HOME="`pwd -P`"
+cd "$SAVED" >&-
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
+function splitJvmOpts() {
+    JVM_OPTS=("$@")
+}
+eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
+JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+
+exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"