Bug fixing. Code cleanup

.gitignore

@@ -1,13 +1,3 @@
-#built application files
-*.apk
-*.ap_
-
-# files for the dex VM
-*.dex
-
-# Java class files
-*.class
-
 # generated files
 bin/
 gen/
@@ -18,18 +8,12 @@ gradle.properties
 
 # Android Studio
 /.idea
-.idea
 **/*.iml
-*.iml
-/.idea/workspace.xml
-/.idea/libraries
 /captures
 
 # OSX files
 .DS_Store
 
 # Ignore gradle files
 .gradle
-/build
-/app/build
 **/build

app/build.gradle

@@ -3,15 +3,15 @@ apply plugin: 'com.android.application'
 android
 {
     compileSdkVersion 24
-    buildToolsVersion "24"
+    buildToolsVersion "24.0.2"
 
     defaultConfig
     {
         applicationId "com.mauriciotogneri.fileexplorer"
         minSdkVersion 14
-        targetSdkVersion 22
-        versionCode 4
-        versionName "1.0.4"
+        targetSdkVersion 24
+        versionCode 5
+        versionName "1.0.5"
     }
 
     signingConfigs
@@ -42,9 +42,7 @@ android
 
 dependencies
 {
-    compile 'com.android.support:support-v4:24.0.0'
-
-    compile 'com.android.support:design:24.0.0'
-
+    compile 'com.android.support:support-v4:24.2.0'
+    compile 'com.android.support:design:24.2.0'
     compile 'ch.acra:acra:4.9.0'
 }

app/src/main/java/com/mauriciotogneri/fileexplorer/fragments/FolderFragment.java

@@ -130,7 +130,7 @@ public boolean onItemLongClick(AdapterView<?> parent, View view, int position, l
 
     public synchronized boolean onBackPressed()
     {
-        if (adapter.isSelectionMode())
+        if ((adapter != null) && adapter.isSelectionMode())
         {
             adapter.unselectAll();
             updateButtonBar();

build.gradle

@@ -7,7 +7,7 @@ buildscript
 
     dependencies
     {
-        classpath 'com.android.tools.build:gradle:2.1.2'
+        classpath 'com.android.tools.build:gradle:2.1.3'
     }
 }
 

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Mon Dec 28 10:00:20 PST 2015
+#Mon Aug 29 20:56:08 CEST 2016
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.10-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-2.14.1-all.zip