Clean up SDK version checks

app/src/main/java/org/schabi/newpipe/App.java

@@ -220,7 +220,7 @@ public class App extends Application {
     }
 
     public void initNotificationChannel() {
-        if (Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.O) {
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
             return;
         }
 

app/src/main/java/org/schabi/newpipe/ExitActivity.java

@@ -42,7 +42,7 @@ public class ExitActivity extends Activity {
     protected void onCreate(final Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
-        if (Build.VERSION.SDK_INT >= 21) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
             finishAndRemoveTask();
         } else {
             finish();

app/src/main/java/org/schabi/newpipe/PanicResponderActivity.java

@@ -40,7 +40,7 @@ public class PanicResponderActivity extends Activity {
             ExitActivity.exitAndRemoveFromRecentApps(this);
         }
 
-        if (Build.VERSION.SDK_INT >= 21) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
             finishAndRemoveTask();
         } else {
             finish();

app/src/main/java/org/schabi/newpipe/player/MainPlayer.java

@@ -310,9 +310,7 @@ public final class MainPlayer extends Service {
             setLockScreenThumbnail(builder);
         }
 
-        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.JELLY_BEAN) {
+        builder.setPriority(NotificationCompat.PRIORITY_MAX);
-            builder.setPriority(NotificationCompat.PRIORITY_MAX);
-        }
         return builder;
     }
 

app/src/main/java/org/schabi/newpipe/player/VideoPlayer.java

@@ -250,7 +250,7 @@ public abstract class VideoPlayer extends BasePlayer
         simpleExoPlayer.addTextOutput(cues -> subtitleView.onCues(cues));
 
         // Setup audio session with onboard equalizer
-        if (Build.VERSION.SDK_INT >= 21) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
             trackSelector.setParameters(trackSelector.buildUponParameters()
                     .setTunnelingAudioSessionId(C.generateAudioSessionIdV21(context)));
         }

app/src/main/java/org/schabi/newpipe/player/VideoPlayerImpl.java

@@ -1925,7 +1925,7 @@ public class VideoPlayerImpl extends VideoPlayer
     }
 
     private int popupLayoutParamType() {
-        return Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.O
+        return Build.VERSION.SDK_INT < Build.VERSION_CODES.O
                 ? WindowManager.LayoutParams.TYPE_PHONE
                 : WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY;
     }

app/src/main/java/org/schabi/newpipe/player/helper/PlayerHelper.java

@@ -2,7 +2,6 @@ package org.schabi.newpipe.player.helper;
 
 import android.content.Context;
 import android.content.SharedPreferences;
-import android.os.Build;
 import androidx.preference.PreferenceManager;
 import android.provider.Settings;
 import android.view.accessibility.CaptioningManager;
@@ -303,10 +302,6 @@ public final class PlayerHelper {
 
     @NonNull
     public static CaptionStyleCompat getCaptionStyle(@NonNull final Context context) {
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
-            return CaptionStyleCompat.DEFAULT;
-        }
-
         final CaptioningManager captioningManager = (CaptioningManager)
                 context.getSystemService(Context.CAPTIONING_SERVICE);
         if (captioningManager == null || !captioningManager.isEnabled()) {
@@ -331,10 +326,6 @@ public final class PlayerHelper {
      * @return caption scaling
      */
     public static float getCaptionScale(@NonNull final Context context) {
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
-            return 1f;
-        }
-
         final CaptioningManager captioningManager
                 = (CaptioningManager) context.getSystemService(Context.CAPTIONING_SERVICE);
         if (captioningManager == null || !captioningManager.isEnabled()) {

app/src/main/java/org/schabi/newpipe/report/ErrorActivity.java

@@ -466,7 +466,8 @@ public class ErrorActivity extends AppCompatActivity {
     }
 
     private String getOsString() {
-        final String osBase = Build.VERSION.SDK_INT >= 23 ? Build.VERSION.BASE_OS : "Android";
+        final String osBase = Build.VERSION.SDK_INT >= Build.VERSION_CODES.M
+                ? Build.VERSION.BASE_OS : "Android";
         return System.getProperty("os.name")
                 + " " + (osBase.isEmpty() ? "Android" : osBase)
                 + " " + Build.VERSION.RELEASE

app/src/main/java/org/schabi/newpipe/util/PermissionHelper.java

@@ -26,10 +26,8 @@ public final class PermissionHelper {
     private PermissionHelper() { }
 
     public static boolean checkStoragePermissions(final Activity activity, final int requestCode) {
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
+        if (!checkReadStoragePermissions(activity, requestCode)) {
-            if (!checkReadStoragePermissions(activity, requestCode)) {
+            return false;
-                return false;
-            }
         }
         return checkWriteStoragePermissions(activity, requestCode);
     }

app/src/main/java/org/schabi/newpipe/views/FocusOverlayView.java

@@ -259,7 +259,7 @@ public final class FocusOverlayView extends Drawable implements
         // keyboard META key for moving between clusters). We have to fix this unfortunate accident
         // While we are at it, let's deal with touchscreenBlocksFocus too.
 
-        if (Build.VERSION.SDK_INT < 26) {
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
             return;
         }
 

app/src/main/java/org/schabi/newpipe/views/NewPipeRecyclerView.java

@@ -142,7 +142,7 @@ public class NewPipeRecyclerView extends RecyclerView {
     }
 
     private boolean tryFocusFinder(final int direction) {
-        if (Build.VERSION.SDK_INT >= 28) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
             // Android 9 implemented bunch of handy changes to focus, that render code below less
             // useful, and also broke findNextFocusFromRect in way, that render this hack useless
             return false;

app/src/main/java/us/shandian/giga/service/DownloadManagerService.java

@@ -160,7 +160,7 @@ public class DownloadManagerService extends Service {
         mNotificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
         mConnectivityManager = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
 
-        if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
             mNetworkStateListenerL = new ConnectivityManager.NetworkCallback() {
                 @Override
                 public void onAvailable(Network network) {
@@ -240,7 +240,7 @@ public class DownloadManagerService extends Service {
 
         manageLock(false);
 
-        if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
             mConnectivityManager.unregisterNetworkCallback(mNetworkStateListenerL);
         else
             unregisterReceiver(mNetworkStateListener);
@@ -466,7 +466,7 @@ public class DownloadManagerService extends Service {
         if (downloadDoneCount < 1) {
             downloadDoneList.append(name);
 
-            if (android.os.Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
+            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
                 downloadDoneNotification.setContentTitle(getString(R.string.app_name));
             } else {
                 downloadDoneNotification.setContentTitle(null);
@@ -505,7 +505,7 @@ public class DownloadManagerService extends Service {
                     .setContentIntent(mOpenDownloadList);
         }
 
-        if (android.os.Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
             downloadFailedNotification.setContentTitle(getString(R.string.app_name));
             downloadFailedNotification.setStyle(new NotificationCompat.BigTextStyle()
                     .bigText(getString(R.string.download_failed).concat(": ").concat(mission.storage.getName())));