Set buildTimestamp through manifest meta (#1556)

app/src/main/AndroidManifest.xml

@@ -106,7 +106,8 @@
         </service>
         <service
             android:name=".services.messaging.AppMessagingService"
-            android:exported="false">
+            android:exported="false"
+            tools:ignore="MissingClass">
             <intent-filter>
                 <action android:name="com.google.firebase.MESSAGING_EVENT" />
             </intent-filter>
@@ -152,6 +153,10 @@
                 android:resource="@xml/provider_paths" />
         </provider>
 
+        <meta-data
+            android:name="buildTimestamp"
+            android:value="${buildTimestamp}" />
+
         <meta-data
             android:name="install_channel"
             android:value="${install_channel}" />
@@ -162,7 +167,8 @@
             android:name="com.google.firebase.provider.FirebaseInitProvider"
             android:authorities="${applicationId}.firebaseinitprovider"
             android:enabled="${firebase_enabled}"
-            android:exported="false" />
+            android:exported="false"
+            tools:ignore="MissingClass" />
 
         <meta-data
             android:name="firebase_analytics_collection_enabled"

app/src/main/java/io/github/wulkanowy/utils/AppInfo.kt

@@ -1,10 +1,12 @@
 package io.github.wulkanowy.utils
 
+import android.content.Context
+import android.content.pm.PackageManager
 import android.content.res.Resources
 import android.os.Build.MANUFACTURER
 import android.os.Build.MODEL
 import android.os.Build.VERSION.SDK_INT
-import io.github.wulkanowy.BuildConfig.BUILD_TIMESTAMP
+import dagger.hilt.android.qualifiers.ApplicationContext
 import io.github.wulkanowy.BuildConfig.DEBUG
 import io.github.wulkanowy.BuildConfig.FLAVOR
 import io.github.wulkanowy.BuildConfig.VERSION_CODE
@@ -13,13 +15,21 @@ import javax.inject.Inject
 import javax.inject.Singleton
 
 @Singleton
-open class AppInfo @Inject constructor() {
+open class AppInfo @Inject constructor(
+    @ApplicationContext private val context: Context,
+) {
 
     open val isDebug get() = DEBUG
 
     open val versionCode get() = VERSION_CODE
 
-    open val buildTimestamp get() = BUILD_TIMESTAMP
+    open val buildTimestamp: Long
+        get() {
+            val info = context.packageManager.getApplicationInfo(
+                context.packageName, PackageManager.GET_META_DATA,
+            )
+            return info.metaData?.getFloat("buildTimestamp")?.toLong() ?: 0
+        }
 
     open val buildFlavor get() = FLAVOR