Add the wait_for_emulator script

.travis.yml

@@ -1 +1,10 @@
 language: android
+env:
+  matrix:
+    - ANDROID_SDKS=android-19,sysimg-19 ANDROID_TARGET=android-19 ANDROID_ABI=armeabi-v7a
+before_install:
+  - echo no | android create avd --force -n test -t $ANDROID_TARGET --abi $ANDROID_ABI
+  - emulator -avd test -no-skin -no-audio -no-window &
+before_script:
+  - ./wait_for_emulator
+  - adb shell input keyevent 82 &

wait_for_emulator

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+bootanim=""
+failcounter=0
+until [[ "$bootanim" =~ "stopped" ]]; do
+   bootanim=`adb -e shell getprop init.svc.bootanim 2>&1`
+   echo "$bootanim"
+   if [[ "$bootanim" =~ "not found" ]]; then
+      let "failcounter += 1"
+      if [[ $failcounter -gt 3 ]]; then
+        echo "Failed to start emulator"
+        exit 1
+      fi
+   fi
+   sleep 1
+done
+echo "Done"