Fix lint issues in AppDatabase.java (#3809)

app/lint-baseline.xml

@@ -839,7 +839,7 @@
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@@ -850,7 +850,7 @@
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@@ -861,7 +861,7 @@
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@@ -2033,17 +2033,6 @@
 
     <issue
         id="Overdraw"
-        message="Possible overdraw: Root element paints background `?attr/windowBackgroundColor` with a theme that also paints a background (inferred theme is `@style/TuskyTheme`)"
-        errorLine1="    android:background=&quot;?attr/windowBackgroundColor&quot;>"
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-        <location
-            file="src/main/res/layout-sw640dp/fragment_timeline.xml"
-            line="7"
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-
-    <issue
-        id="Overdraw"
         message="Possible overdraw: Root element paints background `?android:attr/colorBackground` with a theme that also paints a background (inferred theme is `@style/TuskyTheme`)"
         errorLine1="    android:background=&quot;?android:attr/colorBackground&quot;>"
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@@ -2055,17 +2044,6 @@
 
     <issue
         id="Overdraw"
-        message="Possible overdraw: Root element paints background `?attr/windowBackgroundColor` with a theme that also paints a background (inferred theme is `@style/TuskyTheme`)"
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-        <location
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-
-    <issue
-        id="Overdraw"
         message="Possible overdraw: Root element paints background `?android:attr/colorBackground` with a theme that also paints a background (inferred theme is `@style/TuskyTheme`)"
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@@ -2126,51 +2104,7 @@
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-
-    <issue
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-        message="Possible overdraw: Root element paints background `?android:colorBackground` with a theme that also paints a background (inferred theme is `@style/TuskyTheme`)"
-        errorLine1="    android:background=&quot;?android:colorBackground&quot;"
-        errorLine2="    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
-        <location
-            file="src/main/res/layout/item_status_bottom_sheet.xml"
-            line="8"
-            column="5"/>
-    </issue>
-
-    <issue
-        id="Overdraw"
-        message="Possible overdraw: Root element paints background `@color/dividerColorOther` with a theme that also paints a background (inferred theme is `@style/TuskyTheme`)"
-        errorLine1="    android:background=&quot;@color/dividerColorOther&quot;"
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-        <location
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-
-    <issue
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-        message="Possible overdraw: Root element paints background `?android:colorBackground` with a theme that also paints a background (inferred theme is `@style/TuskyTheme`)"
-        errorLine1="    android:background=&quot;?android:colorBackground&quot;"
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-        <location
-            file="src/main/res/layout/item_tab_preference.xml"
-            line="7"
-            column="5"/>
-    </issue>
-
-    <issue
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-        message="Possible overdraw: Root element paints background `?attr/selectableItemBackground` with a theme that also paints a background (inferred theme is `@style/TuskyTheme`)"
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@@ -2500,7 +2434,7 @@
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@@ -2511,7 +2445,7 @@
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@@ -2522,7 +2456,7 @@
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@@ -2533,7 +2467,7 @@
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@@ -2544,7 +2478,7 @@
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@@ -2555,7 +2489,7 @@
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@@ -2566,7 +2500,7 @@
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@@ -2577,7 +2511,7 @@
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@@ -2588,7 +2522,7 @@
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@@ -2599,7 +2533,7 @@
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@@ -2610,7 +2544,7 @@
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@@ -2621,7 +2555,7 @@
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@@ -2632,7 +2566,7 @@
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@@ -2643,7 +2577,7 @@
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@@ -2654,7 +2588,7 @@
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@@ -2665,7 +2599,7 @@
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@@ -2676,7 +2610,7 @@
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@@ -2687,7 +2621,7 @@
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@@ -2698,7 +2632,7 @@
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@@ -2709,7 +2643,7 @@
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@@ -2720,7 +2654,7 @@
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@@ -2731,7 +2665,7 @@
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@@ -2742,7 +2676,7 @@
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@@ -2962,7 +2896,7 @@
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@@ -2973,7 +2907,7 @@
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@@ -2984,7 +2918,7 @@
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@@ -2995,7 +2929,7 @@
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@@ -3006,7 +2940,7 @@
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@@ -3017,7 +2951,7 @@
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@@ -3028,7 +2962,7 @@
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@@ -3039,7 +2973,7 @@
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@@ -3050,7 +2984,7 @@
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@@ -3061,7 +2995,7 @@
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@@ -3072,7 +3006,7 @@
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@@ -3083,7 +3017,7 @@
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@@ -3094,7 +3028,7 @@
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@@ -3204,7 +3138,7 @@
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@@ -3215,7 +3149,7 @@
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@@ -3270,7 +3204,7 @@
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@@ -3314,7 +3248,7 @@
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@@ -3325,7 +3259,7 @@
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@@ -3589,7 +3523,7 @@
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@@ -3600,7 +3534,7 @@
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         errorLine2="                                         ~~~~~~~~~~~~">
         <location
             file="src/main/java/com/keylesspalace/tusky/BaseActivity.java"
-            line="165"
+            line="207"
             column="42"/>
     </issue>
 
@@ -6885,7 +6753,7 @@
         errorLine2="                                                                                              ~~~~~~~~~~~~~~~~~~~~~~~~">
         <location
             file="src/main/java/com/keylesspalace/tusky/BaseActivity.java"
-            line="165"
+            line="207"
             column="95"/>
     </issue>
 
@@ -6896,7 +6764,7 @@
         errorLine2="                                   ~~~~~~~~">
         <location
             file="src/main/java/com/keylesspalace/tusky/BaseActivity.java"
-            line="233"
+            line="275"
             column="36"/>
     </issue>
 
@@ -6907,7 +6775,7 @@
         errorLine2="                                                         ~~~~~~~~~~~~~~~~~~~">
         <location
             file="src/main/java/com/keylesspalace/tusky/BaseActivity.java"
-            line="233"
+            line="275"
             column="58"/>
     </issue>
 

app/src/main/java/com/keylesspalace/tusky/db/AppDatabase.java

@@ -16,6 +16,7 @@
 package com.keylesspalace.tusky.db;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.room.AutoMigration;
 import androidx.room.Database;
 import androidx.room.DeleteColumn;
@@ -50,11 +51,11 @@ import java.io.File;
 )
 public abstract class AppDatabase extends RoomDatabase {
 
-    public abstract AccountDao accountDao();
-    public abstract InstanceDao instanceDao();
-    public abstract ConversationsDao conversationDao();
-    public abstract TimelineDao timelineDao();
-    public abstract DraftDao draftDao();
+    @NonNull public abstract AccountDao accountDao();
+    @NonNull public abstract InstanceDao instanceDao();
+    @NonNull public abstract ConversationsDao conversationDao();
+    @NonNull public abstract TimelineDao timelineDao();
+    @NonNull public abstract DraftDao draftDao();
 
     public static final Migration MIGRATION_2_3 = new Migration(2, 3) {
         @Override
@@ -386,7 +387,7 @@ public abstract class AppDatabase extends RoomDatabase {
 
         private final File oldDraftDirectory;
 
-        public Migration25_26(File oldDraftDirectory) {
+        public Migration25_26(@Nullable File oldDraftDirectory) {
             super(25, 26);
             this.oldDraftDirectory = oldDraftDirectory;
         }