Yet another travis test

.travis.yml

@@ -1,14 +1,20 @@
 language: android
-sudo: required
+sudo: false
 jdk: oraclejdk8
 
+cache:
+  directories:
+    - $HOME/.gradle/caches/2.8
+    - $HOME/.gradle/caches/jars-1
+    - $HOME/.gradle/daemon
+    - $HOME/.gradle/native
+    - $HOME/.gradle/wrapper
+
 env:
   global:
+    - ADB_INSTALL_TIMEOUT=20 # minutes (2 minutes by default)
     - ANDROID_API_LEVEL=24
     - ANDROID_BUILD_TOOLS_VERSION=24.0.3
-#    - ANDROID_ABI=armeabi-v7a
-#    - ANDROID_TAG=google_apis
-    - ADB_INSTALL_TIMEOUT=20 # minutes (2 minutes by default)
   matrix:
     - ANDROID_TARGET=android-24 ANDROID_ABI=armeabi-v7a
 
@@ -28,9 +34,10 @@ android:
 before_install:
   - echo no | android create avd --force -n test -t $ANDROID_TARGET --abi $ANDROID_ABI -c 20M
   - emulator -avd test -no-window &
-  - android update project -p .
   - chmod +x ./wait_for_emulator.sh
   - ./wait_for_emulator.sh
+  - adb devices
+  - adb shell input keyevent 82 &
 
 script:
-  - travis_wait 20 ./gradlew build connectedCheck
+  - ./gradlew build connectedCheck