Merge "Move alpha libraries to target Java 8." into androidx-master-dev

36 files changed, 148 insertions, 47 deletions

diff --git a/activity/activity-ktx/build.gradle b/activity/activity-ktx/build.gradle
index b1fca11d19a..3a5baa1842b 100644
--- a/activity/activity-ktx/build.gradle
+++ b/activity/activity-ktx/build.gradle
@@ -26,6 +26,10 @@ plugins {
 }
 
 android {
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_7
+        targetCompatibility = JavaVersion.VERSION_1_7
+    }
     buildTypes {
         debug {
             testCoverageEnabled = false // Breaks Kotlin compiler.
diff --git a/activity/activity/build.gradle b/activity/activity/build.gradle
index 243ef372b96..a9892e90a11 100644
--- a/activity/activity/build.gradle
+++ b/activity/activity/build.gradle
@@ -10,6 +10,10 @@ plugins {
 }
 
 android {
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_7
+        targetCompatibility = JavaVersion.VERSION_1_7
+    }
     lintOptions {
         fatal("UnknownNullness")
     }
diff --git a/appcompat/build.gradle b/appcompat/build.gradle
index 44170fd202e..ccd933d03c6 100644
--- a/appcompat/build.gradle
+++ b/appcompat/build.gradle
@@ -35,6 +35,10 @@ dependencies {
 }
 
 android {
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_7
+        targetCompatibility = JavaVersion.VERSION_1_7
+    }
     defaultConfig {
         // This disables the builds tools automatic vector -> PNG generation
         generatedDensities = []
diff --git a/appcompat/resources/build.gradle b/appcompat/resources/build.gradle
index 3de0eaa3e21..38192e899f1 100644
--- a/appcompat/resources/build.gradle
+++ b/appcompat/resources/build.gradle
@@ -45,6 +45,10 @@ dependencies {
 }
 
 android {
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_7
+        targetCompatibility = JavaVersion.VERSION_1_7
+    }
     defaultConfig {
         // This disables the builds tools automatic vector -> PNG generation
         generatedDensities = []
diff --git a/arch/core-common/build.gradle b/arch/core-common/build.gradle
index a7e3a2bfcdc..b62149449f1 100644
--- a/arch/core-common/build.gradle
+++ b/arch/core-common/build.gradle
@@ -32,6 +32,9 @@ dependencies {
     testCompile(MOCKITO_CORE)
 }
 
+sourceCompatibility = JavaVersion.VERSION_1_7
+targetCompatibility = JavaVersion.VERSION_1_7
+
 androidx {
     name = "Android Arch-Common"
     publish = Publish.SNAPSHOT_AND_RELEASE
diff --git a/arch/core-runtime/build.gradle b/arch/core-runtime/build.gradle
index 48d1997da55..7b6cf5ac78a 100644
--- a/arch/core-runtime/build.gradle
+++ b/arch/core-runtime/build.gradle
@@ -30,6 +30,13 @@ dependencies {
     api(project(":arch:core-common"))
 }
 
+android {
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_7
+        targetCompatibility = JavaVersion.VERSION_1_7
+    }
+}
+
 androidx {
     name = "Android Arch-Runtime"
     publish = Publish.SNAPSHOT_AND_RELEASE
diff --git a/arch/core-testing/build.gradle b/arch/core-testing/build.gradle
index fd4218b472b..e1a8dd08f82 100644
--- a/arch/core-testing/build.gradle
+++ b/arch/core-testing/build.gradle
@@ -40,6 +40,13 @@ dependencies {
     androidTestImplementation(ESPRESSO_CORE)
 }
 
+android {
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_7
+        targetCompatibility = JavaVersion.VERSION_1_7
+    }
+}
+
 androidx {
     name = "Android Core-Testing"
     publish = Publish.SNAPSHOT_AND_RELEASE
diff --git a/buildSrc/src/main/kotlin/androidx/build/AndroidXPlugin.kt b/buildSrc/src/main/kotlin/androidx/build/AndroidXPlugin.kt
index 75969be4f11..bda8f7e1b46 100644
--- a/buildSrc/src/main/kotlin/androidx/build/AndroidXPlugin.kt
+++ b/buildSrc/src/main/kotlin/androidx/build/AndroidXPlugin.kt
@@ -50,6 +50,7 @@ import com.android.build.gradle.LibraryPlugin
 import com.android.build.gradle.TestedExtension
 import com.android.build.gradle.api.ApkVariant
 import org.gradle.api.DefaultTask
+import org.gradle.api.JavaVersion
 import org.gradle.api.JavaVersion.VERSION_1_7
 import org.gradle.api.JavaVersion.VERSION_1_8
 import org.gradle.api.Plugin
@@ -107,10 +108,18 @@ class AndroidXPlugin : Plugin<Project> {
                 is JavaLibraryPlugin -> {
                     project.configureErrorProneForJava()
                     project.configureSourceJarForJava()
-                    project.convention.getPlugin<JavaPluginConvention>().apply {
-                        sourceCompatibility = VERSION_1_7
-                        targetCompatibility = VERSION_1_7
+                    val convention = project.convention.getPlugin<JavaPluginConvention>()
+                    convention.apply {
+                        sourceCompatibility = VERSION_1_8
+                        targetCompatibility = VERSION_1_8
                     }
+                    project.afterEvaluate {
+                        verifyJava7Targeting(
+                            project.version as String,
+                            convention.sourceCompatibility
+                        )
+                    }
+
                     project.hideJavadocTask()
                     val verifyDependencyVersionsTask = project.createVerifyDependencyVersionsTask()
                     verifyDependencyVersionsTask.configure { task ->
@@ -344,6 +353,11 @@ class AndroidXPlugin : Plugin<Project> {
         project: Project,
         androidXExtension: AndroidXExtension
     ) {
+        compileOptions.apply {
+            sourceCompatibility = VERSION_1_8
+            targetCompatibility = VERSION_1_8
+        }
+
         // Force AGP to use our version of JaCoCo
         jacoco.version = Jacoco.VERSION
         compileSdkVersion(COMPILE_SDK_VERSION)
@@ -474,13 +488,22 @@ class AndroidXPlugin : Plugin<Project> {
         }
     }
 
+    private fun verifyJava7Targeting(libraryVersion: String, javaVersion: JavaVersion) {
+        if (javaVersion == VERSION_1_7) {
+            if (libraryVersion.contains("alpha")) {
+                throw IllegalStateException("You moved a library that was targeting " +
+                        "Java 7 to alpha version. Please remove " +
+                        "`sourceCompatibility = VERSION_1_7` from build.gradle")
+            }
+        }
+    }
+
     private fun LibraryExtension.configureAndroidLibraryOptions(
         project: Project,
         androidXExtension: AndroidXExtension
     ) {
-        compileOptions.apply {
-            sourceCompatibility = VERSION_1_7
-            targetCompatibility = VERSION_1_7
+        project.afterEvaluate {
+            verifyJava7Targeting(project.version as String, compileOptions.sourceCompatibility)
         }
 
         project.configurations.all { config ->
@@ -502,16 +525,6 @@ class AndroidXPlugin : Plugin<Project> {
         }
 
         project.afterEvaluate {
-            // Java 8 is only fully supported on API 24+ and not all Java 8 features are
-            // binary compatible with API < 24
-            val compilesAgainstJava8 = compileOptions.sourceCompatibility > VERSION_1_7 ||
-                    compileOptions.targetCompatibility > VERSION_1_7
-            val minSdkLessThan24 = defaultConfig.minSdkVersion.apiLevel < 24
-            if (compilesAgainstJava8 && minSdkLessThan24) {
-                throw IllegalArgumentException(
-                        "Libraries can only support Java 8 if minSdkVersion is 24 or higher")
-            }
-
             libraryVariants.all { libraryVariant ->
                 if (libraryVariant.buildType.name == "debug") {
                     libraryVariant.javaCompileProvider.configure { javaCompile ->
@@ -533,11 +546,6 @@ class AndroidXPlugin : Plugin<Project> {
             versionName = "1.0"
         }
 
-        compileOptions.apply {
-            sourceCompatibility = VERSION_1_8
-            targetCompatibility = VERSION_1_8
-        }
-
         lintOptions.apply {
             isAbortOnError = true
 
diff --git a/car/cluster/build.gradle b/car/cluster/build.gradle
index 62b60ebae97..dbb7149eeec 100644
--- a/car/cluster/build.gradle
+++ b/car/cluster/build.gradle
@@ -45,11 +45,6 @@ android {
         minSdkVersion 26
     }
 
-    compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_1_8
-        targetCompatibility = JavaVersion.VERSION_1_8
-    }
-
     sourceSets {
         main.res.srcDirs 'res', 'res-public'
     }
diff --git a/car/core/build.gradle b/car/core/build.gradle
index 9d75c7c3179..938eb3a572f 100644
--- a/car/core/build.gradle
+++ b/car/core/build.gradle
@@ -41,11 +41,6 @@ android {
         minSdkVersion 24
     }
 
-    compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_1_8
-        targetCompatibility = JavaVersion.VERSION_1_8
-    }
-
     sourceSets {
         main.res.srcDirs 'res', 'res-public'
     }
diff --git a/car/moderator/build.gradle b/car/moderator/build.gradle
index 391960b963e..70a21f249ab 100644
--- a/car/moderator/build.gradle
+++ b/car/moderator/build.gradle
@@ -43,10 +43,6 @@ android {
     defaultConfig {
         minSdkVersion 26
     }
-    compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_1_8
-        targetCompatibility = JavaVersion.VERSION_1_8
-    }
     sourceSets {
         main.res.srcDirs 'res', 'res-public'
     }
diff --git a/concurrent/futures/build.gradle b/concurrent/futures/build.gradle
index 22b0b5d4b33..7398b6b6cab 100644
--- a/concurrent/futures/build.gradle
+++ b/concurrent/futures/build.gradle
@@ -32,6 +32,9 @@ dependencies {
     testCompile(TRUTH)
 }
 
+sourceCompatibility = JavaVersion.VERSION_1_7
+targetCompatibility = JavaVersion.VERSION_1_7
+
 androidx {
     name = "AndroidX Futures"
     publish = Publish.SNAPSHOT_AND_RELEASE
diff --git a/concurrent/listenablefuture-callback/build.gradle b/concurrent/listenablefuture-callback/build.gradle
index 10c76f5b326..6125c533e6f 100644
--- a/concurrent/listenablefuture-callback/build.gradle
+++ b/concurrent/listenablefuture-callback/build.gradle
@@ -32,6 +32,9 @@ dependencies {
     testCompile(TRUTH)
 }
 
+sourceCompatibility = JavaVersion.VERSION_1_7
+targetCompatibility = JavaVersion.VERSION_1_7
+
 androidx {
     name = "ListenableFuture Callback Adapter"
     publish = Publish.SNAPSHOT_AND_RELEASE
diff --git a/concurrent/listenablefuture/build.gradle b/concurrent/listenablefuture/build.gradle
index 4a19d4d057c..e0ca091496f 100644
--- a/concurrent/listenablefuture/build.gradle
+++ b/concurrent/listenablefuture/build.gradle
@@ -29,6 +29,9 @@ dependencies {
     compile("androidx.annotation:annotation:1.0.0")
 }
 
+sourceCompatibility = JavaVersion.VERSION_1_7
+targetCompatibility = JavaVersion.VERSION_1_7
+
 androidx {
     name = "ListenableFuture"
     publish = Publish.SNAPSHOT_AND_RELEASE
diff --git a/coordinatorlayout/build.gradle b/coordinatorlayout/build.gradle
index c7495c3b05a..80fc5460510 100644
--- a/coordinatorlayout/build.gradle
+++ b/coordinatorlayout/build.gradle
@@ -29,6 +29,10 @@ dependencies {
 }
 
 android {
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_7
+        targetCompatibility = JavaVersion.VERSION_1_7
+    }
     sourceSets {
         main.res.srcDirs = [
                 'src/main/res',
diff --git a/fragment/build.gradle b/fragment/build.gradle
index 2af1906bc93..caeaf627eeb 100644
--- a/fragment/build.gradle
+++ b/fragment/build.gradle
@@ -41,6 +41,13 @@ dependencies {
     }
 }
 
+android {
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_7
+        targetCompatibility = JavaVersion.VERSION_1_7
+    }
+}
+
 androidx {
     name = "Android Support Library fragment"
     publish = Publish.SNAPSHOT_AND_RELEASE
diff --git a/fragment/ktx/build.gradle b/fragment/ktx/build.gradle
index fdff4f8155e..425d3276a98 100644
--- a/fragment/ktx/build.gradle
+++ b/fragment/ktx/build.gradle
@@ -26,6 +26,10 @@ plugins {
 }
 
 android {
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_7
+        targetCompatibility = JavaVersion.VERSION_1_7
+    }
     buildTypes {
         debug {
             testCoverageEnabled = false // Breaks Kotlin compiler.
diff --git a/fragment/testing/build.gradle b/fragment/testing/build.gradle
index 6906fd84dc0..e6bd6b3e4bb 100644
--- a/fragment/testing/build.gradle
+++ b/fragment/testing/build.gradle
@@ -26,6 +26,10 @@ plugins {
 }
 
 android {
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_7
+        targetCompatibility = JavaVersion.VERSION_1_7
+    }
     buildTypes {
         debug {
             testCoverageEnabled = false // Breaks Kotlin compiler.
diff --git a/graphics/drawable/animated/build.gradle b/graphics/drawable/animated/build.gradle
index 78b38fdcee8..3003dfdd494 100644
--- a/graphics/drawable/animated/build.gradle
+++ b/graphics/drawable/animated/build.gradle
@@ -21,6 +21,10 @@ dependencies {
 }
 
 android {
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_7
+        targetCompatibility = JavaVersion.VERSION_1_7
+    }
     defaultConfig {
         // This disables the builds tools automatic vector -> PNG generation
         generatedDensities = []
diff --git a/graphics/drawable/static/build.gradle b/graphics/drawable/static/build.gradle
index d89fa8239f8..48934cf8459 100644
--- a/graphics/drawable/static/build.gradle
+++ b/graphics/drawable/static/build.gradle
@@ -20,6 +20,10 @@ dependencies {
 }
 
 android {
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_7
+        targetCompatibility = JavaVersion.VERSION_1_7
+    }
     defaultConfig {
         // This disables the builds tools automatic vector -> PNG generation
         generatedDensities = []
diff --git a/jetifier/jetifier/core/build.gradle b/jetifier/jetifier/core/build.gradle
index 8cc0e3aad54..0662cc0d86d 100644
--- a/jetifier/jetifier/core/build.gradle
+++ b/jetifier/jetifier/core/build.gradle
@@ -25,6 +25,9 @@ plugins {
 
 }
 
+sourceCompatibility = JavaVersion.VERSION_1_7
+targetCompatibility = JavaVersion.VERSION_1_7
+
 dependencies {
     compile("com.google.code.gson:gson:2.8.0")
     compile(KOTLIN_STDLIB)
diff --git a/jetifier/jetifier/preprocessor/build.gradle b/jetifier/jetifier/preprocessor/build.gradle
index 61a7ade9525..c38d52f0fd0 100644
--- a/jetifier/jetifier/preprocessor/build.gradle
+++ b/jetifier/jetifier/preprocessor/build.gradle
@@ -20,6 +20,9 @@ plugins {
     id("application")
 }
 
+sourceCompatibility = JavaVersion.VERSION_1_7
+targetCompatibility = JavaVersion.VERSION_1_7
+
 mainClassName = "com.android.tools.build.jetifier.preprocessor.MainKt"
 
 dependencies {
diff --git a/jetifier/jetifier/processor/build.gradle b/jetifier/jetifier/processor/build.gradle
index e79f95db5ac..fd7d9c67f0b 100644
--- a/jetifier/jetifier/processor/build.gradle
+++ b/jetifier/jetifier/processor/build.gradle
@@ -24,6 +24,9 @@ plugins {
     id("kotlin")
 }
 
+sourceCompatibility = JavaVersion.VERSION_1_7
+targetCompatibility = JavaVersion.VERSION_1_7
+
 dependencies {
     compile project(':jetifier-core')
     compile("org.ow2.asm:asm:6.0")
diff --git a/lifecycle/common-java8/build.gradle b/lifecycle/common-java8/build.gradle
index 3a680fdfe64..38f166fe2ba 100644
--- a/lifecycle/common-java8/build.gradle
+++ b/lifecycle/common-java8/build.gradle
@@ -25,9 +25,6 @@ plugins {
     id("java")
 }
 
-sourceCompatibility = JavaVersion.VERSION_1_8
-targetCompatibility = JavaVersion.VERSION_1_8
-
 dependencies {
     compile(project(":lifecycle:lifecycle-common"))
     compile("androidx.annotation:annotation:1.1.0-rc01")
diff --git a/media/build.gradle b/media/build.gradle
index c81ca57bf40..c7c7f170726 100644
--- a/media/build.gradle
+++ b/media/build.gradle
@@ -21,6 +21,10 @@ dependencies {
 }
 
 android {
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_7
+        targetCompatibility = JavaVersion.VERSION_1_7
+    }
     sourceSets {
         main.java.srcDirs += [
         ]
diff --git a/media2/common/build.gradle b/media2/common/build.gradle
index 522fcc278cb..5ab9b4f9835 100644
--- a/media2/common/build.gradle
+++ b/media2/common/build.gradle
@@ -24,6 +24,10 @@ dependencies {
 }
 
 android {
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_7
+        targetCompatibility = JavaVersion.VERSION_1_7
+    }
     defaultConfig {
         minSdkVersion 19
     }
diff --git a/media2/media2-exoplayer/build.gradle b/media2/media2-exoplayer/build.gradle
index 7953ea830ca..f0ef504c144 100644
--- a/media2/media2-exoplayer/build.gradle
+++ b/media2/media2-exoplayer/build.gradle
@@ -26,6 +26,10 @@ plugins {
 }
 
 android {
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_7
+        targetCompatibility = JavaVersion.VERSION_1_7
+    }
     buildTypes.all {
         consumerProguardFiles 'proguard-rules.pro'
     }
diff --git a/media2/player/build.gradle b/media2/player/build.gradle
index 6fdcfcc5de5..619b299413e 100644
--- a/media2/player/build.gradle
+++ b/media2/player/build.gradle
@@ -29,6 +29,10 @@ dependencies {
 }
 
 android {
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_7
+        targetCompatibility = JavaVersion.VERSION_1_7
+    }
     lintOptions {
         // Lint bug causes the BanTargetApiAnnotation lint check to crash in this project.
         // remove when b/120615476 is fixed.
diff --git a/media2/session/build.gradle b/media2/session/build.gradle
index 4ea98ff08f9..95cf8ffbca4 100644
--- a/media2/session/build.gradle
+++ b/media2/session/build.gradle
@@ -27,6 +27,10 @@ dependencies {
 }
 
 android {
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_7
+        targetCompatibility = JavaVersion.VERSION_1_7
+    }
     defaultConfig {
         minSdkVersion 19
     }
diff --git a/mediarouter/build.gradle b/mediarouter/build.gradle
index 460f70725cc..24f50b3b169 100644
--- a/mediarouter/build.gradle
+++ b/mediarouter/build.gradle
@@ -22,6 +22,10 @@ dependencies {
 }
 
 android {
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_7
+        targetCompatibility = JavaVersion.VERSION_1_7
+    }
     sourceSets {
         main.java.srcDirs += [
                 'jellybean',
diff --git a/preference/build.gradle b/preference/build.gradle
index b3391320924..a444849e410 100644
--- a/preference/build.gradle
+++ b/preference/build.gradle
@@ -46,6 +46,10 @@ dependencies {
 }
 
 android {
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_7
+        targetCompatibility = JavaVersion.VERSION_1_7
+    }
     sourceSets {
         main.res.srcDirs = [
                 'res',
diff --git a/preference/ktx/build.gradle b/preference/ktx/build.gradle
index 733437fd9a5..6852755fc04 100644
--- a/preference/ktx/build.gradle
+++ b/preference/ktx/build.gradle
@@ -28,6 +28,10 @@ plugins {
 }
 
 android {
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_7
+        targetCompatibility = JavaVersion.VERSION_1_7
+    }
     buildTypes {
         debug {
             testCoverageEnabled = false // Breaks Kotlin compiler.
diff --git a/remotecallback/processor/build.gradle b/remotecallback/processor/build.gradle
index 3b09cefec4f..7bf917f5a75 100644
--- a/remotecallback/processor/build.gradle
+++ b/remotecallback/processor/build.gradle
@@ -26,9 +26,6 @@ plugins {
     id("java")
 }
 
-sourceCompatibility = JavaVersion.VERSION_1_8
-targetCompatibility = JavaVersion.VERSION_1_8
-
 dependencies {
     compile(JAVAPOET)
 }
diff --git a/room/common-java8/build.gradle b/room/common-java8/build.gradle
index 39bff66b3c8..3bad3c900ea 100644
--- a/room/common-java8/build.gradle
+++ b/room/common-java8/build.gradle
@@ -17,7 +17,7 @@
 import static androidx.build.dependencies.DependenciesKt.*
 import androidx.build.LibraryGroups
 import androidx.build.LibraryVersions
-import androidx.build.AndroidXExtension;
+import androidx.build.AndroidXExtension
 import androidx.build.Publish
 
 plugins {
@@ -25,9 +25,6 @@ plugins {
     id("java")
 }
 
-sourceCompatibility = JavaVersion.VERSION_1_8
-targetCompatibility = JavaVersion.VERSION_1_8
-
 dependencies {
     compile(ANDROIDX_ANNOTATION)
 }
diff --git a/savedstate/build.gradle b/savedstate/build.gradle
index 542be2eb2fb..a8977eda5c5 100644
--- a/savedstate/build.gradle
+++ b/savedstate/build.gradle
@@ -10,6 +10,10 @@ plugins {
 }
 
 android {
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_7
+        targetCompatibility = JavaVersion.VERSION_1_7
+    }
     lintOptions {
         fatal("UnknownNullness")
     }
diff --git a/work/workmanager/src/androidTest/java/androidx/work/impl/WorkManagerImplTest.java b/work/workmanager/src/androidTest/java/androidx/work/impl/WorkManagerImplTest.java
index 9672c142051..3cc8194f2dc 100644
--- a/work/workmanager/src/androidTest/java/androidx/work/impl/WorkManagerImplTest.java
+++ b/work/workmanager/src/androidTest/java/androidx/work/impl/WorkManagerImplTest.java
@@ -1370,7 +1370,8 @@ public class WorkManagerImplTest {
     @Test
     @LargeTest
     public void testCancelAllWork_updatesLastCancelAllTime() {
-        Preferences preferences = new Preferences(ApplicationProvider.getApplicationContext());
+        Preferences preferences = new Preferences(
+                (Context) ApplicationProvider.getApplicationContext());
         preferences.setLastCancelAllTimeMillis(0L);
 
         OneTimeWorkRequest work = new OneTimeWorkRequest.Builder(TestWorker.class).build();
@@ -1384,7 +1385,8 @@ public class WorkManagerImplTest {
     @LargeTest
     @SuppressWarnings("unchecked")
     public void testCancelAllWork_updatesLastCancelAllTimeLiveData() throws InterruptedException {
-        Preferences preferences = new Preferences(ApplicationProvider.getApplicationContext());
+        Preferences preferences = new Preferences(
+                (Context) ApplicationProvider.getApplicationContext());
         preferences.setLastCancelAllTimeMillis(0L);
 
         TestLifecycleOwner testLifecycleOwner = new TestLifecycleOwner();