Remove support for Android 4.4

10 files changed, 36 insertions, 94 deletions

diff --git a/app/src/main/java/de/danoeh/antennapod/activity/SplashActivity.java b/app/src/main/java/de/danoeh/antennapod/activity/SplashActivity.java
index 271bdd7f6..4e300ef25 100644
--- a/app/src/main/java/de/danoeh/antennapod/activity/SplashActivity.java
+++ b/app/src/main/java/de/danoeh/antennapod/activity/SplashActivity.java
@@ -3,12 +3,9 @@ package de.danoeh.antennapod.activity;
 import android.content.Intent;
 import android.graphics.PorterDuff;
 import android.graphics.PorterDuffColorFilter;
-import android.graphics.drawable.Drawable;
-import android.os.Build;
 import android.os.Bundle;
 import android.widget.Toast;
 import androidx.annotation.Nullable;
-import androidx.core.graphics.drawable.DrawableCompat;
 import androidx.appcompat.app.AppCompatActivity;
 import android.widget.ProgressBar;
 
@@ -29,14 +26,8 @@ public class SplashActivity extends AppCompatActivity {
         setContentView(R.layout.splash);
 
         ProgressBar progressBar = findViewById(R.id.progressBar);
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
-            Drawable wrapDrawable = DrawableCompat.wrap(progressBar.getIndeterminateDrawable());
-            DrawableCompat.setTint(wrapDrawable, 0xffffffff);
-            progressBar.setIndeterminateDrawable(DrawableCompat.unwrap(wrapDrawable));
-        } else {
-            progressBar.getIndeterminateDrawable().setColorFilter(
-                    new PorterDuffColorFilter(0xffffffff, PorterDuff.Mode.SRC_IN));
-        }
+        progressBar.getIndeterminateDrawable().setColorFilter(
+                new PorterDuffColorFilter(0xffffffff, PorterDuff.Mode.SRC_IN));
 
         Completable.create(subscriber -> {
             // Trigger schema updates
diff --git a/app/src/main/java/de/danoeh/antennapod/fragment/AddFeedFragment.java b/app/src/main/java/de/danoeh/antennapod/fragment/AddFeedFragment.java
index 4b6beac13..864e23d7d 100644
--- a/app/src/main/java/de/danoeh/antennapod/fragment/AddFeedFragment.java
+++ b/app/src/main/java/de/danoeh/antennapod/fragment/AddFeedFragment.java
@@ -6,7 +6,6 @@ import android.content.ClipboardManager;
 import android.content.Context;
 import android.content.Intent;
 import android.net.Uri;
-import android.os.Build;
 import android.os.Bundle;
 import android.util.Log;
 import android.view.LayoutInflater;
@@ -19,7 +18,6 @@ import androidx.activity.result.contract.ActivityResultContracts;
 import androidx.activity.result.contract.ActivityResultContracts.GetContent;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
-import androidx.annotation.RequiresApi;
 import com.google.android.material.dialog.MaterialAlertDialogBuilder;
 import androidx.documentfile.provider.DocumentFile;
 import androidx.fragment.app.Fragment;
@@ -105,9 +103,6 @@ public class AddFeedFragment extends Fragment {
         });
 
         viewBinding.addLocalFolderButton.setOnClickListener(v -> {
-            if (Build.VERSION.SDK_INT < 21) {
-                return;
-            }
             try {
                 addLocalFolderLauncher.launch(null);
             } catch (ActivityNotFoundException e) {
@@ -116,10 +111,6 @@ public class AddFeedFragment extends Fragment {
                         .showSnackbarAbovePlayer(R.string.unable_to_start_system_file_manager, Snackbar.LENGTH_LONG);
             }
         });
-        if (Build.VERSION.SDK_INT < 21) {
-            viewBinding.addLocalFolderButton.setVisibility(View.GONE);
-        }
-
         viewBinding.searchButton.setOnClickListener(view -> performSearch());
 
         return viewBinding.getRoot();
@@ -205,9 +196,6 @@ public class AddFeedFragment extends Fragment {
     }
 
     private Feed addLocalFolder(Uri uri) {
-        if (Build.VERSION.SDK_INT < 21) {
-            return null;
-        }
         getActivity().getContentResolver()
                 .takePersistableUriPermission(uri, Intent.FLAG_GRANT_READ_URI_PERMISSION);
         DocumentFile documentFile = DocumentFile.fromTreeUri(getContext(), uri);
@@ -227,7 +215,6 @@ public class AddFeedFragment extends Fragment {
     }
 
     private static class AddLocalFolder extends ActivityResultContracts.OpenDocumentTree {
-        @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
         @NonNull
         @Override
         public Intent createIntent(@NonNull final Context context, @Nullable final Uri input) {
diff --git a/app/src/main/java/de/danoeh/antennapod/fragment/DownloadLogFragment.java b/app/src/main/java/de/danoeh/antennapod/fragment/DownloadLogFragment.java
index 26533f50f..c27d8c058 100644
--- a/app/src/main/java/de/danoeh/antennapod/fragment/DownloadLogFragment.java
+++ b/app/src/main/java/de/danoeh/antennapod/fragment/DownloadLogFragment.java
@@ -1,6 +1,5 @@
 package de.danoeh.antennapod.fragment;
 
-import android.os.Build;
 import android.os.Bundle;
 import android.util.Log;
 import android.view.LayoutInflater;
@@ -80,9 +79,7 @@ public class DownloadLogFragment extends BottomSheetDialogFragment
         adapter = new DownloadLogAdapter(getActivity());
         viewBinding.list.setAdapter(adapter);
         viewBinding.list.setOnItemClickListener(this);
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
-            viewBinding.list.setNestedScrollingEnabled(true);
-        }
+        viewBinding.list.setNestedScrollingEnabled(true);
         EventBus.getDefault().register(this);
         return viewBinding.getRoot();
     }
diff --git a/app/src/main/java/de/danoeh/antennapod/fragment/FeedInfoFragment.java b/app/src/main/java/de/danoeh/antennapod/fragment/FeedInfoFragment.java
index 4fe2f0386..32ab5d9e5 100644
--- a/app/src/main/java/de/danoeh/antennapod/fragment/FeedInfoFragment.java
+++ b/app/src/main/java/de/danoeh/antennapod/fragment/FeedInfoFragment.java
@@ -7,7 +7,6 @@ import android.content.Intent;
 import android.content.res.Configuration;
 import android.graphics.LightingColorFilter;
 import android.net.Uri;
-import android.os.Build;
 import android.os.Bundle;
 import android.text.TextUtils;
 import android.util.Log;
@@ -22,7 +21,6 @@ import androidx.activity.result.ActivityResultLauncher;
 import androidx.activity.result.contract.ActivityResultContracts;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
-import androidx.annotation.RequiresApi;
 import com.google.android.material.dialog.MaterialAlertDialogBuilder;
 import androidx.appcompat.content.res.AppCompatResources;
 import com.google.android.material.appbar.MaterialToolbar;
@@ -290,7 +288,7 @@ public class FeedInfoFragment extends Fragment implements MaterialToolbar.OnMenu
         }
         boolean handled = FeedMenuHandler.onOptionsItemClicked(getContext(), item, feed);
 
-        if (item.getItemId() == R.id.reconnect_local_folder && Build.VERSION.SDK_INT >= 21) {
+        if (item.getItemId() == R.id.reconnect_local_folder) {
             MaterialAlertDialogBuilder alert = new MaterialAlertDialogBuilder(getContext());
             alert.setMessage(R.string.reconnect_local_folder_warning);
             alert.setPositiveButton(android.R.string.ok, (dialog, which) -> {
@@ -329,7 +327,7 @@ public class FeedInfoFragment extends Fragment implements MaterialToolbar.OnMenu
     }
 
     private void reconnectLocalFolder(Uri uri) {
-        if (Build.VERSION.SDK_INT < 21 || feed == null) {
+        if (feed == null) {
             return;
         }
 
@@ -353,7 +351,6 @@ public class FeedInfoFragment extends Fragment implements MaterialToolbar.OnMenu
     }
 
     private static class AddLocalFolder extends ActivityResultContracts.OpenDocumentTree {
-        @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
         @NonNull
         @Override
         public Intent createIntent(@NonNull final Context context, @Nullable final Uri input) {
diff --git a/app/src/main/java/de/danoeh/antennapod/preferences/MasterSwitchPreference.java b/app/src/main/java/de/danoeh/antennapod/preferences/MasterSwitchPreference.java
index 62e162a7c..ef527967a 100644
--- a/app/src/main/java/de/danoeh/antennapod/preferences/MasterSwitchPreference.java
+++ b/app/src/main/java/de/danoeh/antennapod/preferences/MasterSwitchPreference.java
@@ -1,9 +1,7 @@
 package de.danoeh.antennapod.preferences;
 
-import android.annotation.TargetApi;
 import android.content.Context;
 import android.graphics.Typeface;
-import android.os.Build;
 import androidx.preference.SwitchPreferenceCompat;
 import androidx.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
@@ -18,7 +16,6 @@ public class MasterSwitchPreference extends SwitchPreferenceCompat {
         super(context, attrs, defStyleAttr);
     }
 
-    @TargetApi(Build.VERSION_CODES.LOLLIPOP)
     public MasterSwitchPreference(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
         super(context, attrs, defStyleAttr, defStyleRes);
     }
diff --git a/app/src/main/java/de/danoeh/antennapod/view/NestedScrollableHost.java b/app/src/main/java/de/danoeh/antennapod/view/NestedScrollableHost.java
index ff52df71f..660aa1ea9 100644
--- a/app/src/main/java/de/danoeh/antennapod/view/NestedScrollableHost.java
+++ b/app/src/main/java/de/danoeh/antennapod/view/NestedScrollableHost.java
@@ -21,7 +21,6 @@ package de.danoeh.antennapod.view;
 
 import android.content.Context;
 import android.content.res.TypedArray;
-import android.os.Build;
 import android.util.AttributeSet;
 import android.view.MotionEvent;
 import android.view.View;
@@ -31,7 +30,6 @@ import android.widget.FrameLayout;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
-import androidx.annotation.RequiresApi;
 import androidx.viewpager2.widget.ViewPager2;
 
 import de.danoeh.antennapod.R;
@@ -75,7 +73,6 @@ public class NestedScrollableHost extends FrameLayout {
         setAttributes(context, attrs);
     }
 
-    @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
     public NestedScrollableHost(@NonNull Context context, @Nullable AttributeSet attrs,
                                 int defStyleAttr, int defStyleRes) {
         super(context, attrs, defStyleAttr, defStyleRes);
diff --git a/app/src/main/java/de/danoeh/antennapod/view/ShownotesWebView.java b/app/src/main/java/de/danoeh/antennapod/view/ShownotesWebView.java
index 9dc4a76c6..b284aa2d6 100644
--- a/app/src/main/java/de/danoeh/antennapod/view/ShownotesWebView.java
+++ b/app/src/main/java/de/danoeh/antennapod/view/ShownotesWebView.java
@@ -6,7 +6,6 @@ import android.content.Context;
 import android.content.Intent;
 import android.graphics.Color;
 import android.net.Uri;
-import android.os.Build;
 import android.util.AttributeSet;
 import android.util.Log;
 import android.view.ContextMenu;
@@ -63,9 +62,7 @@ public class ShownotesWebView extends WebView implements View.OnLongClickListene
             getSettings().setCacheMode(WebSettings.LOAD_CACHE_ELSE_NETWORK);
             // Use cached resources, even if they have expired
         }
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
-            getSettings().setMixedContentMode(WebSettings.MIXED_CONTENT_ALWAYS_ALLOW);
-        }
+        getSettings().setMixedContentMode(WebSettings.MIXED_CONTENT_ALWAYS_ALLOW);
         getSettings().setUseWideViewPort(false);
         getSettings().setLoadWithOverviewMode(true);
         setOnLongClickListener(this);
diff --git a/app/src/main/res/drawable-v21/grey_border.xml b/app/src/main/res/drawable-v21/grey_border.xml
deleted file mode 100644
index beccf9e85..000000000
--- a/app/src/main/res/drawable-v21/grey_border.xml
+++ /dev/null
@@ -1,29 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<ripple xmlns:android="http://schemas.android.com/apk/res/android"
-android:color="?attr/colorControlHighlight">
-    <item android:id="@android:id/mask">
-        <shape
-            android:shape="rectangle">
-            <corners
-                android:radius="8dp"
-                android:topRightRadius="8dp"
-                android:bottomRightRadius="8dp"
-                android:bottomLeftRadius="8dp" />
-            <solid android:color="@android:color/white"/>
-        </shape>
-    </item>
-    <item>
-        <shape
-            android:shape="rectangle">
-            <corners
-                android:radius="8dp"
-                android:topRightRadius="8dp"
-                android:bottomRightRadius="8dp"
-                android:bottomLeftRadius="8dp" />
-            <stroke
-                android:width="1dp"
-                android:color="?android:attr/textColorSecondary" />
-            <solid android:color="@android:color/transparent"/>
-        </shape>
-    </item>
-</ripple>
diff --git a/app/src/main/res/drawable/grey_border.xml b/app/src/main/res/drawable/grey_border.xml
index 4362f05b6..beccf9e85 100644
--- a/app/src/main/res/drawable/grey_border.xml
+++ b/app/src/main/res/drawable/grey_border.xml
@@ -1,21 +1,29 @@
 <?xml version="1.0" encoding="utf-8"?>
-<selector>
-
-        <item>
-
-            <shape xmlns:android="http://schemas.android.com/apk/res/android"
-                android:shape="rectangle">
-                <corners
-                    android:radius="8dp"
-                    android:topRightRadius="8dp"
-                    android:bottomRightRadius="8dp"
-                    android:bottomLeftRadius="8dp" />
-                <stroke
-                    android:width="1dp"
-                    android:color="@android:color/darker_gray" />
-                <solid android:color="@android:color/transparent"/>
-            </shape>
-
-        </item>
-
-</selector>
\ No newline at end of file
+<ripple xmlns:android="http://schemas.android.com/apk/res/android"
+android:color="?attr/colorControlHighlight">
+    <item android:id="@android:id/mask">
+        <shape
+            android:shape="rectangle">
+            <corners
+                android:radius="8dp"
+                android:topRightRadius="8dp"
+                android:bottomRightRadius="8dp"
+                android:bottomLeftRadius="8dp" />
+            <solid android:color="@android:color/white"/>
+        </shape>
+    </item>
+    <item>
+        <shape
+            android:shape="rectangle">
+            <corners
+                android:radius="8dp"
+                android:topRightRadius="8dp"
+                android:bottomRightRadius="8dp"
+                android:bottomLeftRadius="8dp" />
+            <stroke
+                android:width="1dp"
+                android:color="?android:attr/textColorSecondary" />
+            <solid android:color="@android:color/transparent"/>
+        </shape>
+    </item>
+</ripple>
diff --git a/app/src/main/res/layout/home_fragment.xml b/app/src/main/res/layout/home_fragment.xml
index fca9406a8..3ef602334 100644
--- a/app/src/main/res/layout/home_fragment.xml
+++ b/app/src/main/res/layout/home_fragment.xml
@@ -34,7 +34,7 @@
             android:layout_height="80dp"
             android:layout_marginBottom="8dp"
             android:layout_gravity="start"
-            android:src="@drawable/ic_curved_arrow" />
+            app:srcCompat="@drawable/ic_curved_arrow" />
 
         <ImageView
             android:id="@+id/icon"
@@ -42,7 +42,7 @@
             android:layout_height="64dp"
             android:layout_gravity="center_horizontal"
             android:layout_marginBottom="16dp"
-            android:src="@mipmap/ic_launcher" />
+            app:srcCompat="@mipmap/ic_launcher" />
 
         <TextView
             android:layout_width="match_parent"