fix crash in pre-Lollipop

Author: HarlonWang

README.md

@@ -24,7 +24,7 @@ You can also find iOS version of this [here](https://github.com/ninjaprox/NVActi
 Add dependencies in build.gradle.
 ```groovy
     dependencies {
-       compile 'com.wang.avi:library:2.0.1'
+       compile 'com.wang.avi:library:2.0.2'
        compile 'com.nineoldandroids:library:2.4.0'
     }
 ```

apk/app-debug.apk

@@ -8,8 +8,8 @@ android {
         applicationId "com.wang.avi.sample"
         minSdkVersion 11
         targetSdkVersion 23
-        versionCode 21
-        versionName "2.0.1"
+        versionCode 22
+        versionName "2.0.2"
     }
     buildTypes {
         release {

app/build.gradle

@@ -7,8 +7,8 @@ android {
     defaultConfig {
         minSdkVersion 11
         targetSdkVersion 23
-        versionCode 21
-        versionName "2.0.1"
+        versionCode 22
+        versionName "2.0.2"
     }
     buildTypes {
         release {
@@ -26,7 +26,7 @@ dependencies {
 
 ext {
     PUBLISH_GROUP_ID = 'com.wang.avi'
-    PUBLISH_VERSION = '2.0.1'
+    PUBLISH_VERSION = '2.0.2'
     PUBLISH_DES = 'Nice loading animations for Android'
     LIB_NAME = 'AVLoadingIndicatorView'