Update WorkManager to alpha12.

build.gradle

@@ -73,7 +73,7 @@ dependencies {
     compile 'com.android.support:multidex:1.0.3'
     compile 'android.arch.lifecycle:extensions:1.1.1'
     compile 'android.arch.lifecycle:common-java8:1.1.1'
-    compile 'android.arch.work:work-runtime:1.0.0-alpha11'
+    compile 'android.arch.work:work-runtime:1.0.0-alpha12'
 
     compile 'com.google.android.gms:play-services-gcm:9.6.1'
     compile 'com.google.android.gms:play-services-maps:9.6.1'
@@ -169,7 +169,7 @@ dependencyVerification {
         'com.android.support:gridlayout-v7:5029529f7db66f8773426bf7318645f0840fc50d74f66355cd60c5e58d2da087',
         'com.android.support:exifinterface:bbf44e519edd6333a24a3285aa21fd00181b920b81ca8aa89a8899f03ab4d6b0',
         'com.android.support:multidex:ecf6098572e23b5155bab3b9a82b2fd1530eda6c6c157745e0f5287c66eec60c',
-        'android.arch.work:work-runtime:e2cff8a2231da07519b65af64e77e5da20b1fc5a016bb49ddade40beb44a63ff',
+        'android.arch.work:work-runtime:b78d5a7b71dccf6c2549168ca1890f6848ba2d72782b903555b18099c459e472',
         'android.arch.lifecycle:extensions:429426b2feec2245ffc5e75b3b5309bedb36159cf06dc71843ae43526ac289b6',
         'android.arch.lifecycle:common-java8:7078b5c8ccb94203df9cc2a463c69cf0021596e6cf966d78fbfd697aaafe0630',
         'com.google.android.gms:play-services-gcm:312e61253a236f2d9b750b9c04fc92fd190d23b0b2755c99de6ce4a28b259dae',

src/org/thoughtcrime/securesms/jobmanager/Job.java

@@ -9,18 +9,16 @@ import org.thoughtcrime.securesms.ApplicationContext;
 import org.thoughtcrime.securesms.R;
 import org.thoughtcrime.securesms.jobmanager.dependencies.ContextDependent;
 import org.thoughtcrime.securesms.jobmanager.requirements.NetworkRequirement;
-import org.thoughtcrime.securesms.jobs.requirements.MasterSecretRequirement;
 import org.thoughtcrime.securesms.jobs.requirements.SqlCipherMigrationRequirement;
 import org.thoughtcrime.securesms.logging.Log;
 import org.thoughtcrime.securesms.service.GenericForegroundService;
 
 import java.io.Serializable;
 import java.util.Collections;
-import java.util.HashMap;
-import java.util.Map;
 import java.util.UUID;
 
 import androidx.work.Data;
+import androidx.work.Result;
 import androidx.work.Worker;
 import androidx.work.WorkerParameters;
 
@@ -99,7 +97,7 @@ public abstract class Job extends Worker implements Serializable {
           onRun();
 
           log("Successfully completed." + logSuffix());
-          return Result.SUCCESS;
+          return Result.success();
         } else {
           log("Retrying due to unmet requirements." + logSuffix());
           return retry();
@@ -201,12 +199,12 @@ public abstract class Job extends Worker implements Serializable {
 
   private Result retry() {
     onRetry();
-    return Result.RETRY;
+    return Result.retry();
   }
 
   private Result cancel() {
     onCanceled();
-    return Result.SUCCESS;
+    return Result.success();
   }
 
   private boolean requirementsMet(@NonNull Data data) {

src/org/thoughtcrime/securesms/jobmanager/WorkLockManager.java

@@ -9,7 +9,7 @@ import java.util.Map;
 import java.util.UUID;
 import java.util.concurrent.Semaphore;
 
-import androidx.work.Worker;
+import androidx.work.Result;
 
 class WorkLockManager {
 
@@ -57,7 +57,7 @@ class WorkLockManager {
     private final Semaphore lock;
     private final UUID      uuid;
 
-    private Worker.Result result;
+    private Result result;
     private int    count;
 
     private WorkLock(@NonNull UUID uuid) {
@@ -78,11 +78,11 @@ class WorkLockManager {
       return lock;
     }
 
-    void setResult(@NonNull Worker.Result result) {
+    void setResult(@NonNull Result result) {
       this.result = result;
     }
 
-    @Nullable Worker.Result getResult() {
+    @Nullable Result getResult() {
       return result;
     }