Drop support for Android 5.x

It's 5-6 years old, and only accounts for 2% of users in the Firebase analytics.

app/src/main/java/eu/kanade/tachiyomi/network/CloudflareInterceptor.kt

@@ -2,7 +2,6 @@ package eu.kanade.tachiyomi.network
 
 import android.annotation.SuppressLint
 import android.content.Context
-import android.os.Build
 import android.os.Handler
 import android.os.Looper
 import android.webkit.WebSettings
@@ -114,10 +113,7 @@ class CloudflareInterceptor(private val context: Context) : Interceptor {
                         latch.countDown()
                     }
 
-                    // HTTP error codes are only received since M
+                    if (url == origRequestUrl && !challengeFound) {
-                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M &&
-                        url == origRequestUrl && !challengeFound
-                    ) {
                         // The first request didn't return the challenge, abort.
                         latch.countDown()
                     }

app/src/main/java/eu/kanade/tachiyomi/ui/base/activity/BaseThemedActivity.kt

@@ -32,10 +32,6 @@ abstract class BaseThemedActivity : AppCompatActivity() {
                         R.style.Theme_Tachiyomi_Light_Api27
                     }
                     // Light status bar + fallback gray navigation bar
-                    Build.VERSION.SDK_INT >= Build.VERSION_CODES.M -> {
-                        R.style.Theme_Tachiyomi_Light_Api23
-                    }
-                    // Fallback gray status + navigation bar
                     else -> {
                         R.style.Theme_Tachiyomi_Light
                     }

app/src/main/java/eu/kanade/tachiyomi/ui/base/controller/ConductorExtensions.kt

@@ -2,7 +2,6 @@ package eu.kanade.tachiyomi.ui.base.controller
 
 import android.content.Intent
 import android.content.pm.PackageManager.PERMISSION_GRANTED
-import android.os.Build
 import androidx.core.content.ContextCompat
 import androidx.core.net.toUri
 import com.bluelinelabs.conductor.Controller
@@ -21,14 +20,12 @@ fun Router.popControllerWithTag(tag: String): Boolean {
 
 fun Controller.requestPermissionsSafe(permissions: Array<String>, requestCode: Int) {
     val activity = activity ?: return
-    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
     permissions.forEach { permission ->
         if (ContextCompat.checkSelfPermission(activity, permission) != PERMISSION_GRANTED) {
             requestPermissions(arrayOf(permission), requestCode)
         }
     }
 }
-}
 
 fun Controller.withFadeTransaction(): RouterTransaction {
     return RouterTransaction.with(this)

app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaController.kt

@@ -290,23 +290,17 @@ class MangaController :
         fab.setOnClickListener {
             val item = presenter.getNextUnreadChapter()
             if (item != null) {
-                // Create animation listener
+                // Get coordinates and start animation
-                val revealAnimationListener: Animator.AnimatorListener = object : AnimatorListenerAdapter() {
+                actionFab?.getCoordinates()?.let { coordinates ->
+                    binding.revealView.showRevealEffect(
+                        coordinates.x,
+                        coordinates.y,
+                        object : AnimatorListenerAdapter() {
                             override fun onAnimationStart(animation: Animator?) {
                                 openChapter(item.chapter, true)
                             }
                         }
-
-                // Get coordinates and start animation
-                actionFab?.getCoordinates()?.let { coordinates ->
-                    if (!binding.revealView.showRevealEffect(
-                            coordinates.x,
-                            coordinates.y,
-                            revealAnimationListener
                     )
-                    ) {
-                        openChapter(item.chapter)
-                    }
                 }
             } else {
                 view?.context?.toast(R.string.no_next_chapter)

app/src/main/java/eu/kanade/tachiyomi/ui/manga/info/MangaInfoHeaderAdapter.kt

@@ -1,7 +1,5 @@
 package eu.kanade.tachiyomi.ui.manga.info
 
-import android.graphics.PorterDuff
-import android.os.Build
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
@@ -21,7 +19,6 @@ import eu.kanade.tachiyomi.source.model.SManga
 import eu.kanade.tachiyomi.source.online.HttpSource
 import eu.kanade.tachiyomi.ui.manga.MangaController
 import eu.kanade.tachiyomi.util.system.copyToClipboard
-import eu.kanade.tachiyomi.util.system.getResourceColor
 import eu.kanade.tachiyomi.util.view.setChips
 import kotlinx.coroutines.flow.launchIn
 import kotlinx.coroutines.flow.merge
@@ -304,18 +301,6 @@ class MangaInfoHeaderAdapter(
                     initialLoad = false
                 }
             }
-
-            // backgroundTint attribute doesn't work properly on Android 5
-            if (Build.VERSION.SDK_INT == Build.VERSION_CODES.LOLLIPOP) {
-                listOf(binding.backdropOverlay, binding.mangaInfoToggleMoreScrim)
-                    .forEach {
-                        @Suppress("DEPRECATION")
-                        it.background.setColorFilter(
-                            view.context.getResourceColor(android.R.attr.colorBackground),
-                            PorterDuff.Mode.SRC_ATOP
-                        )
-                    }
-            }
         }
 
         private fun showMangaInfo(visible: Boolean) {

app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsAdvancedController.kt

@@ -4,7 +4,6 @@ import android.annotation.SuppressLint
 import android.app.Dialog
 import android.content.ActivityNotFoundException
 import android.content.Intent
-import android.os.Build
 import android.os.Bundle
 import android.provider.Settings
 import androidx.core.net.toUri
@@ -64,7 +63,6 @@ class SettingsAdvancedController : SettingsController() {
             }
         }
 
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
         preference {
             key = "pref_disable_battery_optimization"
             titleRes = R.string.pref_disable_battery_optimization
@@ -87,7 +85,6 @@ class SettingsAdvancedController : SettingsController() {
                 }
             }
         }
-        }
 
         preferenceCategory {
             titleRes = R.string.label_data

app/src/main/java/eu/kanade/tachiyomi/util/system/WebViewClientCompat.kt

@@ -54,7 +54,6 @@ abstract class WebViewClientCompat : WebViewClient() {
         return shouldInterceptRequestCompat(view, url)
     }
 
-    @TargetApi(Build.VERSION_CODES.M)
     final override fun onReceivedError(
         view: WebView,
         request: WebResourceRequest,
@@ -78,7 +77,6 @@ abstract class WebViewClientCompat : WebViewClient() {
         onReceivedErrorCompat(view, errorCode, description, failingUrl, failingUrl == view.url)
     }
 
-    @TargetApi(Build.VERSION_CODES.M)
     final override fun onReceivedHttpError(
         view: WebView,
         request: WebResourceRequest,

app/src/main/java/eu/kanade/tachiyomi/widget/ElevationAppBarLayout.kt

@@ -3,7 +3,6 @@ package eu.kanade.tachiyomi.widget
 import android.animation.ObjectAnimator
 import android.animation.StateListAnimator
 import android.content.Context
-import android.os.Build
 import android.util.AttributeSet
 import com.google.android.material.R
 import com.google.android.material.appbar.AppBarLayout
@@ -20,13 +19,8 @@ class ElevationAppBarLayout @JvmOverloads constructor(
     }
 
     fun enableElevation(liftOnScroll: Boolean) {
-        if (Build.VERSION.SDK_INT == Build.VERSION_CODES.LOLLIPOP) {
-            // Delay to avoid crash
-            post { setElevation(liftOnScroll) }
-        } else {
         setElevation(liftOnScroll)
     }
-    }
 
     private fun setElevation(liftOnScroll: Boolean) {
         stateListAnimator = origStateAnimator

app/src/main/java/eu/kanade/tachiyomi/widget/RevealAnimationView.kt

@@ -49,10 +49,8 @@ class RevealAnimationView @JvmOverloads constructor(context: Context, attrs: Att
      * @param centerX x starting point
      * @param centerY y starting point
      * @param listener animation listener
-     *
-     * @return sdk version lower then 21
      */
-    fun showRevealEffect(centerX: Int, centerY: Int, listener: Animator.AnimatorListener): Boolean {
+    fun showRevealEffect(centerX: Int, centerY: Int, listener: Animator.AnimatorListener) {
         this.isVisible = true
 
         val height = this.height
@@ -71,6 +69,5 @@ class RevealAnimationView @JvmOverloads constructor(context: Context, attrs: Att
 
         anim.addListener(listener)
         anim.start()
-        return true
     }
 }

app/src/main/res/values-v23/themes.xml

@@ -1,9 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources>
-
-    <style name="Theme.Tachiyomi.Light.Api23">
-        <item name="android:statusBarColor">@android:color/transparent</item>
-        <item name="android:windowLightStatusBar">true</item>
-    </style>
-
-</resources>

app/src/main/res/values/themes.xml

@@ -88,7 +88,8 @@
     <!-- Main Theme-->
     <!--===========-->
     <style name="Theme.Tachiyomi.Light" parent="Theme.Base">
-        <item name="android:statusBarColor">@color/md_black_1000_54</item>
+        <item name="android:statusBarColor">@android:color/transparent</item>
+        <item name="android:windowLightStatusBar">true</item>
         <item name="android:navigationBarColor">@color/md_black_1000_54</item>
 
         <item name="colorFilterActive">@color/filterColorLight</item>

app/src/test/java/eu/kanade/tachiyomi/data/backup/BackupTest.kt

@@ -41,7 +41,7 @@ import uy.kohesive.injekt.api.addSingleton
  * Test class for the [LegacyBackupManager].
  * Note that this does not include the backup create/restore services.
  */
-@Config(constants = BuildConfig::class, sdk = [Build.VERSION_CODES.LOLLIPOP])
+@Config(constants = BuildConfig::class, sdk = [Build.VERSION_CODES.M])
 @RunWith(CustomRobolectricGradleTestRunner::class)
 class BackupTest {
     // Create root object

app/src/test/java/eu/kanade/tachiyomi/data/database/CategoryTest.kt

@@ -13,7 +13,7 @@ import org.junit.runner.RunWith
 import org.robolectric.RuntimeEnvironment
 import org.robolectric.annotation.Config
 
-@Config(constants = BuildConfig::class, sdk = [Build.VERSION_CODES.LOLLIPOP])
+@Config(constants = BuildConfig::class, sdk = [Build.VERSION_CODES.M])
 @RunWith(CustomRobolectricGradleTestRunner::class)
 class CategoryTest {
 

app/src/test/java/eu/kanade/tachiyomi/data/library/LibraryUpdateServiceTest.kt

@@ -28,7 +28,7 @@ import uy.kohesive.injekt.api.InjektModule
 import uy.kohesive.injekt.api.InjektRegistrar
 import uy.kohesive.injekt.api.addSingleton
 
-@Config(constants = BuildConfig::class, sdk = [Build.VERSION_CODES.LOLLIPOP])
+@Config(constants = BuildConfig::class, sdk = [Build.VERSION_CODES.M])
 @RunWith(CustomRobolectricGradleTestRunner::class)
 class LibraryUpdateServiceTest {
 

buildSrc/src/main/kotlin/AndroidConfig.kt

@@ -1,6 +1,6 @@
 object AndroidConfig {
     const val compileSdk = 29
-    const val minSdk = 21
+    const val minSdk = 23
     const val targetSdk = 29
     const val buildTools = "30.0.3"
     const val ndk = "22.0.7026061"