diff --git a/.travis.yml b/.travis.yml
index e0fcfb82b..fe50d1a63 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,10 +5,10 @@ android:
   components:
     # The BuildTools version used by NewPipe
     - tools
-    - build-tools-26.0.1
+    - build-tools-27.0.1
 
     # The SDK version used to compile NewPipe
-    - android-26
+    - android-27
 
 script: ./gradlew -Dorg.gradle.jvmargs=-Xmx1536m assembleDebug lintDebug testDebugUnitTest
 
diff --git a/app/build.gradle b/app/build.gradle
index f7af72968..69504e2f9 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,13 +1,13 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 26
-    buildToolsVersion '26.0.1'
+    compileSdkVersion 27
+    buildToolsVersion '27.0.1'
 
     defaultConfig {
         applicationId "org.schabi.newpipe"
         minSdkVersion 15
-        targetSdkVersion 26
+        targetSdkVersion 27
         versionCode 41
         versionName "0.11.0"
 
@@ -27,6 +27,10 @@ android {
             applicationIdSuffix ".debug"
         }
         beta {
+            minifyEnabled true
+            shrinkResources true
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+
             applicationIdSuffix ".beta"
         }
     }
@@ -44,42 +48,42 @@ android {
 }
 
 dependencies {
-    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2') {
+    androidTestImplementation('com.android.support.test.espresso:espresso-core:2.2.2') {
         exclude module: 'support-annotations'
     }
 
-    compile 'com.github.TeamNewPipe:NewPipeExtractor:b9d0941'
+    implementation 'com.github.TeamNewPipe:NewPipeExtractor:b9d0941411'
 
-    testCompile 'junit:junit:4.12'
-    testCompile 'org.mockito:mockito-core:1.10.19'
+    testImplementation 'junit:junit:4.12'
+    testImplementation 'org.mockito:mockito-core:1.10.19'
 
-    compile 'com.android.support:appcompat-v7:26.0.1'
-    compile 'com.android.support:support-v4:26.0.1'
-    compile 'com.android.support:design:26.0.1'
-    compile 'com.android.support:recyclerview-v7:26.0.1'
-    compile 'com.android.support:preference-v14:26.0.1'
+    implementation 'com.android.support:appcompat-v7:27.0.0'
+    implementation 'com.android.support:support-v4:27.0.0'
+    implementation 'com.android.support:design:27.0.0'
+    implementation 'com.android.support:recyclerview-v7:27.0.0'
+    implementation 'com.android.support:preference-v14:27.0.0'
 
-    compile 'com.google.code.gson:gson:2.7'
-    compile 'ch.acra:acra:4.9.0'
+    implementation 'com.google.code.gson:gson:2.8.2'
+    implementation 'ch.acra:acra:4.9.2'
 
-    compile 'com.nostra13.universalimageloader:universal-image-loader:1.9.5'
-    compile 'de.hdodenhof:circleimageview:2.1.0'
-    compile 'com.github.nirhart:parallaxscroll:1.0'
-    compile 'com.nononsenseapps:filepicker:3.0.1'
-    compile 'com.google.android.exoplayer:exoplayer:r2.5.4'
+    implementation 'com.nostra13.universalimageloader:universal-image-loader:1.9.5'
+    implementation 'de.hdodenhof:circleimageview:2.2.0'
+    implementation 'com.github.nirhart:ParallaxScroll:dd53d1f9d1'
+    implementation 'com.nononsenseapps:filepicker:3.0.1'
+    implementation 'com.google.android.exoplayer:exoplayer:r2.5.4'
 
-    debugCompile 'com.facebook.stetho:stetho:1.5.0'
-    debugCompile 'com.facebook.stetho:stetho-urlconnection:1.5.0'
-    debugCompile 'com.android.support:multidex:1.0.1'
+    debugImplementation 'com.facebook.stetho:stetho:1.5.0'
+    debugImplementation 'com.facebook.stetho:stetho-urlconnection:1.5.0'
+    debugImplementation 'com.android.support:multidex:1.0.2'
 
-    compile 'io.reactivex.rxjava2:rxjava:2.1.2'
-    compile 'io.reactivex.rxjava2:rxandroid:2.0.1'
-    compile 'com.jakewharton.rxbinding2:rxbinding:2.0.0'
+    implementation 'io.reactivex.rxjava2:rxjava:2.1.6'
+    implementation 'io.reactivex.rxjava2:rxandroid:2.0.1'
+    implementation 'com.jakewharton.rxbinding2:rxbinding:2.0.0'
 
-    compile 'android.arch.persistence.room:runtime:1.0.0-alpha8'
-    compile 'android.arch.persistence.room:rxjava2:1.0.0-alpha8'
-    annotationProcessor 'android.arch.persistence.room:compiler:1.0.0-alpha8'
+    implementation 'android.arch.persistence.room:runtime:1.0.0'
+    implementation 'android.arch.persistence.room:rxjava2:1.0.0'
+    annotationProcessor 'android.arch.persistence.room:compiler:1.0.0'
 
-    compile 'frankiesardo:icepick:3.2.0'
-    provided 'frankiesardo:icepick-processor:3.2.0'
+    implementation 'frankiesardo:icepick:3.2.0'
+    annotationProcessor 'frankiesardo:icepick-processor:3.2.0'
 }
diff --git a/app/src/main/java/org/schabi/newpipe/report/ErrorActivity.java b/app/src/main/java/org/schabi/newpipe/report/ErrorActivity.java
index b62b63510..43e240fbb 100644
--- a/app/src/main/java/org/schabi/newpipe/report/ErrorActivity.java
+++ b/app/src/main/java/org/schabi/newpipe/report/ErrorActivity.java
@@ -160,7 +160,7 @@ public class ErrorActivity extends AppCompatActivity {
                 key = k;
             }
         }
-        String[] el = new String[]{report.get(key)};
+        String[] el = new String[]{report.get(key).toString()};
 
         Intent intent = new Intent(context, ErrorActivity.class);
         intent.putExtra(ERROR_INFO, errorInfo);
diff --git a/build.gradle b/build.gradle
index 5c494fe59..c0c46fdc2 100644
--- a/build.gradle
+++ b/build.gradle
@@ -6,7 +6,7 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.3.3'
+        classpath 'com.android.tools.build:gradle:3.0.0'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 52dd1f044..4c397c615 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
+#Thu Nov 09 12:44:58 CET 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.3.1-all.zip