Update to latest Android Studio.

.idea/gradle.xml

@@ -5,14 +5,19 @@
       <GradleProjectSettings>
         <option name="distributionType" value="LOCAL" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
-        <option name="gradleHome" value="$APPLICATION_HOME_DIR$/gradle/gradle-2.8" />
-        <option name="gradleJvm" value="1.8" />
+        <option name="gradleHome" value="$APPLICATION_HOME_DIR$/gradle/gradle-2.10" />
         <option name="modules">
           <set>
             <option value="$PROJECT_DIR$" />
             <option value="$PROJECT_DIR$/MiceAndMysticsTracker" />
           </set>
         </option>
+        <option name="myModules">
+          <set>
+            <option value="$PROJECT_DIR$" />
+            <option value="$PROJECT_DIR$/MiceAndMysticsTracker" />
+          </set>
+        </option>
       </GradleProjectSettings>
     </option>
   </component>

MiceAndMysticsTracker/build.gradle

@@ -3,7 +3,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:1.3.1'
+        classpath 'com.android.tools.build:gradle:2.1.0'
     }
 }
 apply plugin: 'com.android.application'
@@ -13,7 +13,7 @@ repositories {
 }
 
 android {
-    compileSdkVersion 21
+    compileSdkVersion 22
     buildToolsVersion "20.0.0"
 
     defaultConfig {
@@ -41,8 +41,8 @@ dependencies {
     compile 'com.android.support:appcompat-v7:22.0.0'
     compile 'io.realm:realm-android:0.87.0'
     compile 'uk.co.chrisjenx:calligraphy:2.0.2'
-    compile 'com.android.support:recyclerview-v7:21.0.+'
-    compile 'com.android.support:cardview-v7:21.0.+'
+    compile 'com.android.support:recyclerview-v7:22.0.+'
+    compile 'com.android.support:cardview-v7:22.0.+'
     compile 'org.quanqi:android-holo-graph:0.1.0'
     compile 'com.github.fengdai:alertdialogpro-theme-material:0.2.2'
 }

build.gradle

@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:1.3.1'
+        classpath 'com.android.tools.build:gradle:2.1.0'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files

gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.2.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-2.10-all.zip