Make MonitoredActivity abstract

.travis.yml

@@ -17,7 +17,7 @@ before_install:
   # For a full list, run `android list sdk -a --extended`
   # Note that sysimg-19 downloads only ARM, because only the first license query is accepted.
   - echo yes | android update sdk --filter platform-tools --no-ui --force > /dev/null
-  - echo yes | android update sdk --all --filter build-tools-19.0.0 --no-ui --force > /dev/null
+  - echo yes | android update sdk --all --filter build-tools-19.0.3 --no-ui --force > /dev/null
   - echo yes | android update sdk --filter android-19 --no-ui --force > /dev/null
   - echo yes | android update sdk --filter sysimg-19 --no-ui --force > /dev/null
   - echo yes | android update sdk --filter extra-android-support --no-ui --force > /dev/null
@@ -27,7 +27,8 @@ 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 &
 
-install: true
+install:
+ - ./gradlew :lib:build
 
 before_script:
   - adb wait-for-device

build.gradle

@@ -9,7 +9,7 @@ buildscript {
 
 allprojects {
     group = 'com.soundcloud.android'
-    version = '0.9.5'
+    version = '0.9.6'
 
     repositories {
         mavenCentral()

lib/src/main/java/com/soundcloud/android/crop/MonitoredActivity.java

@@ -24,7 +24,7 @@ import java.util.ArrayList;
 /*
  * Modified from original in AOSP.
  */
-public class MonitoredActivity extends Activity {
+public abstract class MonitoredActivity extends Activity {
 
     private final ArrayList<LifeCycleListener> mListeners =
             new ArrayList<LifeCycleListener>();