Migrate to AndroidX

Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>

app/build.gradle

@@ -65,21 +65,25 @@ android {
 }
 
 ext {
+    annotationsVersion = '1.0.1'
+    appcompatVersion = '1.0.2'
+    cardviewVersion = '1.0.0'
     databindingVersion = '3.1.3'
+    materialComponentsVersion = '1.0.0'
     jsr305Version = '3.0.2'
+    preferenceVersion = '1.0.0'
     streamsupportVersion = '1.6.0'
-    supportLibsVersion = '27.1.1'
     threetenabpVersion = '1.1.1'
     zxingEmbeddedVersion = '3.6.0'
 }
 
 dependencies {
-    implementation "com.android.databinding:library:$databindingVersion"
-    implementation "com.android.support:appcompat-v7:$supportLibsVersion"
-    implementation "com.android.support:cardview-v7:$supportLibsVersion"
-    implementation "com.android.support:design:$supportLibsVersion"
-    implementation "com.android.support:preference-v14:$supportLibsVersion"
-    implementation "com.android.support:support-annotations:$supportLibsVersion"
+    implementation "androidx.annotation:annotation:$annotationsVersion"
+    implementation "androidx.appcompat:appcompat:$appcompatVersion"
+    implementation "androidx.cardview:cardview:$cardviewVersion"
+    implementation "androidx.databinding:databinding-runtime:$databindingVersion"
+    implementation "androidx.preference:preference:$preferenceVersion"
+    implementation "com.google.android.material:material:$materialComponentsVersion"
     implementation "com.google.code.findbugs:jsr305:$jsr305Version"
     implementation "com.jakewharton.threetenabp:threetenabp:$threetenabpVersion"
     implementation "com.journeyapps:zxing-android-embedded:$zxingEmbeddedVersion"

app/src/main/AndroidManifest.xml

@@ -43,8 +43,7 @@
         <activity
             android:name=".activity.SettingsActivity"
             android:label="@string/settings"
-            android:parentActivityName=".activity.MainActivity"
-            android:theme="@style/SettingsTheme" />
+            android:parentActivityName=".activity.MainActivity" />
 
         <activity
             android:name=".activity.TunnelCreatorActivity"

app/src/main/java/com/wireguard/android/Application.java

@@ -13,8 +13,8 @@ import android.os.Build;
 import android.os.Handler;
 import android.os.Looper;
 import android.preference.PreferenceManager;
-import android.support.annotation.Nullable;
-import android.support.v7.app.AppCompatDelegate;
+import androidx.annotation.Nullable;
+import androidx.appcompat.app.AppCompatDelegate;
 
 import com.wireguard.android.backend.Backend;
 import com.wireguard.android.backend.GoBackend;

app/src/main/java/com/wireguard/android/QuickTileService.java

@@ -7,8 +7,8 @@ package com.wireguard.android;
 
 import android.annotation.TargetApi;
 import android.content.Intent;
-import android.databinding.Observable;
-import android.databinding.Observable.OnPropertyChangedCallback;
+import androidx.databinding.Observable;
+import androidx.databinding.Observable.OnPropertyChangedCallback;
 import android.graphics.Bitmap;
 import android.graphics.Canvas;
 import android.graphics.drawable.Icon;
@@ -16,7 +16,7 @@ import android.os.Build;
 import android.os.IBinder;
 import android.service.quicksettings.Tile;
 import android.service.quicksettings.TileService;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.util.Log;
 import android.widget.Toast;
 

app/src/main/java/com/wireguard/android/activity/BaseActivity.java

@@ -5,10 +5,10 @@
 
 package com.wireguard.android.activity;
 
-import android.databinding.CallbackRegistry;
-import android.databinding.CallbackRegistry.NotifierCallback;
+import androidx.databinding.CallbackRegistry;
+import androidx.databinding.CallbackRegistry.NotifierCallback;
 import android.os.Bundle;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 import com.wireguard.android.Application;
 import com.wireguard.android.model.Tunnel;

app/src/main/java/com/wireguard/android/activity/MainActivity.java

@@ -8,10 +8,10 @@ package com.wireguard.android.activity;
 import android.annotation.SuppressLint;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.annotation.Nullable;
-import android.support.v4.app.FragmentManager;
-import android.support.v4.app.FragmentTransaction;
-import android.support.v7.app.ActionBar;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.FragmentManager;
+import androidx.fragment.app.FragmentTransaction;
+import androidx.appcompat.app.ActionBar;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;

app/src/main/java/com/wireguard/android/activity/SettingsActivity.java

@@ -7,12 +7,12 @@ package com.wireguard.android.activity;
 
 import android.content.pm.PackageManager;
 import android.os.Bundle;
-import android.support.annotation.Nullable;
-import android.support.v4.app.ActivityCompat;
-import android.support.v4.content.ContextCompat;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceFragmentCompat;
-import android.support.v7.preference.PreferenceScreen;
+import androidx.annotation.Nullable;
+import androidx.core.app.ActivityCompat;
+import androidx.core.content.ContextCompat;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceFragmentCompat;
+import androidx.preference.PreferenceScreen;
 import android.util.SparseArray;
 import android.view.MenuItem;
 

app/src/main/java/com/wireguard/android/activity/ThemeChangeAwareActivity.java

@@ -8,9 +8,9 @@ package com.wireguard.android.activity;
 import android.content.SharedPreferences;
 import android.content.res.Resources;
 import android.os.Bundle;
-import android.support.annotation.Nullable;
-import android.support.v7.app.AppCompatActivity;
-import android.support.v7.app.AppCompatDelegate;
+import androidx.annotation.Nullable;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.app.AppCompatDelegate;
 import android.util.Log;
 
 import com.wireguard.android.Application;

app/src/main/java/com/wireguard/android/activity/TunnelCreatorActivity.java

@@ -6,7 +6,7 @@
 package com.wireguard.android.activity;
 
 import android.os.Bundle;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 import com.wireguard.android.fragment.TunnelEditorFragment;
 import com.wireguard.android.model.Tunnel;

app/src/main/java/com/wireguard/android/backend/GoBackend.java

@@ -9,8 +9,8 @@ import android.app.PendingIntent;
 import android.content.Context;
 import android.content.Intent;
 import android.os.ParcelFileDescriptor;
-import android.support.annotation.Nullable;
-import android.support.v4.util.ArraySet;
+import androidx.annotation.Nullable;
+import androidx.collection.ArraySet;
 import android.util.Log;
 
 import com.wireguard.android.Application;

app/src/main/java/com/wireguard/android/backend/WgQuickBackend.java

@@ -6,7 +6,7 @@
 package com.wireguard.android.backend;
 
 import android.content.Context;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.util.Log;
 
 import com.wireguard.android.Application;

app/src/main/java/com/wireguard/android/databinding/BindingAdapters.java

@@ -5,14 +5,14 @@
 
 package com.wireguard.android.databinding;
 
-import android.databinding.BindingAdapter;
-import android.databinding.DataBindingUtil;
-import android.databinding.ObservableList;
-import android.databinding.ViewDataBinding;
-import android.databinding.adapters.ListenerUtil;
-import android.support.annotation.Nullable;
-import android.support.v7.widget.LinearLayoutManager;
-import android.support.v7.widget.RecyclerView;
+import androidx.databinding.BindingAdapter;
+import androidx.databinding.DataBindingUtil;
+import androidx.databinding.ObservableList;
+import androidx.databinding.ViewDataBinding;
+import androidx.databinding.adapters.ListenerUtil;
+import androidx.annotation.Nullable;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 import android.text.InputFilter;
 import android.view.LayoutInflater;
 import android.widget.LinearLayout;

app/src/main/java/com/wireguard/android/databinding/ItemChangeListener.java

@@ -5,10 +5,10 @@
 
 package com.wireguard.android.databinding;
 
-import android.databinding.DataBindingUtil;
-import android.databinding.ObservableList;
-import android.databinding.ViewDataBinding;
-import android.support.annotation.Nullable;
+import androidx.databinding.DataBindingUtil;
+import androidx.databinding.ObservableList;
+import androidx.databinding.ViewDataBinding;
+import androidx.annotation.Nullable;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;

app/src/main/java/com/wireguard/android/databinding/ObservableKeyedRecyclerViewAdapter.java

@@ -6,12 +6,12 @@
 package com.wireguard.android.databinding;
 
 import android.content.Context;
-import android.databinding.DataBindingUtil;
-import android.databinding.ObservableList;
-import android.databinding.ViewDataBinding;
-import android.support.annotation.Nullable;
-import android.support.v7.widget.RecyclerView;
-import android.support.v7.widget.RecyclerView.Adapter;
+import androidx.databinding.DataBindingUtil;
+import androidx.databinding.ObservableList;
+import androidx.databinding.ViewDataBinding;
+import androidx.annotation.Nullable;
+import androidx.recyclerview.widget.RecyclerView;
+import androidx.recyclerview.widget.RecyclerView.Adapter;
 import android.view.LayoutInflater;
 import android.view.ViewGroup;
 

app/src/main/java/com/wireguard/android/fragment/AppListDialogFragment.java

@@ -12,10 +12,10 @@ import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 import android.os.Bundle;
-import android.support.annotation.Nullable;
-import android.support.v4.app.DialogFragment;
-import android.support.v4.app.Fragment;
-import android.support.v7.app.AlertDialog;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.DialogFragment;
+import androidx.fragment.app.Fragment;
+import androidx.appcompat.app.AlertDialog;
 import android.widget.Toast;
 
 import com.wireguard.android.Application;

app/src/main/java/com/wireguard/android/fragment/BaseFragment.java

@@ -7,11 +7,11 @@ package com.wireguard.android.fragment;
 
 import android.content.Context;
 import android.content.Intent;
-import android.databinding.DataBindingUtil;
-import android.databinding.ViewDataBinding;
-import android.support.annotation.Nullable;
-import android.support.design.widget.Snackbar;
-import android.support.v4.app.Fragment;
+import androidx.databinding.DataBindingUtil;
+import androidx.databinding.ViewDataBinding;
+import androidx.annotation.Nullable;
+import com.google.android.material.snackbar.Snackbar;
+import androidx.fragment.app.Fragment;
 import android.util.Log;
 import android.view.View;
 import android.widget.Toast;

app/src/main/java/com/wireguard/android/fragment/ConfigNamingDialogFragment.java

@@ -10,9 +10,9 @@ import android.app.Dialog;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.os.Bundle;
-import android.support.annotation.Nullable;
-import android.support.v4.app.DialogFragment;
-import android.support.v7.app.AlertDialog;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.DialogFragment;
+import androidx.appcompat.app.AlertDialog;
 import android.view.inputmethod.InputMethodManager;
 
 import com.wireguard.android.Application;

app/src/main/java/com/wireguard/android/fragment/TunnelDetailFragment.java

@@ -6,7 +6,7 @@
 package com.wireguard.android.fragment;
 
 import android.os.Bundle;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuInflater;

app/src/main/java/com/wireguard/android/fragment/TunnelEditorFragment.java

@@ -7,11 +7,11 @@ package com.wireguard.android.fragment;
 
 import android.app.Activity;
 import android.content.Context;
-import android.databinding.ObservableList;
+import androidx.databinding.ObservableList;
 import android.os.Bundle;
-import android.support.annotation.Nullable;
-import android.support.design.widget.Snackbar;
-import android.support.v4.app.FragmentManager;
+import androidx.annotation.Nullable;
+import com.google.android.material.snackbar.Snackbar;
+import androidx.fragment.app.FragmentManager;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.Menu;

app/src/main/java/com/wireguard/android/fragment/TunnelListFragment.java

@@ -14,13 +14,13 @@ import android.database.Cursor;
 import android.net.Uri;
 import android.os.Bundle;
 import android.provider.OpenableColumns;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
-import android.support.design.widget.Snackbar;
-import android.support.v4.app.FragmentManager;
-import android.support.v7.app.AppCompatActivity;
-import android.support.v7.view.ActionMode;
-import android.support.v7.widget.RecyclerView;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import com.google.android.material.snackbar.Snackbar;
+import androidx.fragment.app.FragmentManager;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.view.ActionMode;
+import androidx.recyclerview.widget.RecyclerView;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.Menu;

app/src/main/java/com/wireguard/android/model/ApplicationData.java

@@ -5,8 +5,8 @@
 
 package com.wireguard.android.model;
 
-import android.databinding.BaseObservable;
-import android.databinding.Bindable;
+import androidx.databinding.BaseObservable;
+import androidx.databinding.Bindable;
 import android.graphics.drawable.Drawable;
 
 import com.wireguard.android.BR;

app/src/main/java/com/wireguard/android/model/Tunnel.java

@@ -5,9 +5,9 @@
 
 package com.wireguard.android.model;
 
-import android.databinding.BaseObservable;
-import android.databinding.Bindable;
-import android.support.annotation.Nullable;
+import androidx.databinding.BaseObservable;
+import androidx.databinding.Bindable;
+import androidx.annotation.Nullable;
 
 import com.wireguard.android.BR;
 import com.wireguard.android.util.ExceptionLoggers;

app/src/main/java/com/wireguard/android/model/TunnelManager.java

@@ -8,9 +8,9 @@ package com.wireguard.android.model;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
-import android.databinding.BaseObservable;
-import android.databinding.Bindable;
-import android.support.annotation.Nullable;
+import androidx.databinding.BaseObservable;
+import androidx.databinding.Bindable;
+import androidx.annotation.Nullable;
 
 import com.wireguard.android.Application;
 import com.wireguard.android.BR;

app/src/main/java/com/wireguard/android/preference/LogExporterPreference.java

@@ -9,9 +9,9 @@ import android.Manifest;
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.os.Environment;
-import android.support.annotation.Nullable;
-import android.support.design.widget.Snackbar;
-import android.support.v7.preference.Preference;
+import androidx.annotation.Nullable;
+import com.google.android.material.snackbar.Snackbar;
+import androidx.preference.Preference;
 import android.util.AttributeSet;
 import android.util.Log;
 

app/src/main/java/com/wireguard/android/preference/ToolsInstallerPreference.java

@@ -6,8 +6,8 @@
 package com.wireguard.android.preference;
 
 import android.content.Context;
-import android.support.annotation.Nullable;
-import android.support.v7.preference.Preference;
+import androidx.annotation.Nullable;
+import androidx.preference.Preference;
 import android.util.AttributeSet;
 
 import com.wireguard.android.Application;

app/src/main/java/com/wireguard/android/preference/VersionPreference.java

@@ -9,8 +9,8 @@ import android.content.ActivityNotFoundException;
 import android.content.Context;
 import android.content.Intent;
 import android.net.Uri;
-import android.support.annotation.Nullable;
-import android.support.v7.preference.Preference;
+import androidx.annotation.Nullable;
+import androidx.preference.Preference;
 import android.util.AttributeSet;
 
 import com.wireguard.android.Application;

app/src/main/java/com/wireguard/android/preference/ZipExporterPreference.java

@@ -9,9 +9,9 @@ import android.Manifest;
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.os.Environment;
-import android.support.annotation.Nullable;
-import android.support.design.widget.Snackbar;
-import android.support.v7.preference.Preference;
+import androidx.annotation.Nullable;
+import com.google.android.material.snackbar.Snackbar;
+import androidx.preference.Preference;
 import android.util.AttributeSet;
 import android.util.Log;
 

app/src/main/java/com/wireguard/android/util/ClipboardUtils.java

@@ -8,7 +8,7 @@ package com.wireguard.android.util;
 import android.content.ClipData;
 import android.content.ClipboardManager;
 import android.content.Context;
-import android.support.design.widget.Snackbar;
+import com.google.android.material.snackbar.Snackbar;
 import android.view.View;
 import android.widget.TextView;
 

app/src/main/java/com/wireguard/android/util/ErrorMessages.java

@@ -6,7 +6,7 @@
 package com.wireguard.android.util;
 
 import android.content.res.Resources;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 import com.wireguard.android.Application;
 import com.wireguard.android.R;

app/src/main/java/com/wireguard/android/util/ExceptionLoggers.java

@@ -5,7 +5,7 @@
 
 package com.wireguard.android.util;
 
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.util.Log;
 
 import java9.util.function.BiConsumer;

app/src/main/java/com/wireguard/android/util/FragmentUtils.java

@@ -5,7 +5,7 @@
 package com.wireguard.android.util;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
+import androidx.preference.Preference;
 import android.view.ContextThemeWrapper;
 
 import com.wireguard.android.activity.SettingsActivity;

app/src/main/java/com/wireguard/android/util/ObservableKeyedArrayList.java

@@ -5,8 +5,8 @@
 
 package com.wireguard.android.util;
 
-import android.databinding.ObservableArrayList;
-import android.support.annotation.Nullable;
+import androidx.databinding.ObservableArrayList;
+import androidx.annotation.Nullable;
 
 import com.wireguard.util.Keyed;
 

app/src/main/java/com/wireguard/android/util/ObservableKeyedList.java

@@ -5,7 +5,7 @@
 
 package com.wireguard.android.util;
 
-import android.databinding.ObservableList;
+import androidx.databinding.ObservableList;
 
 import com.wireguard.util.Keyed;
 import com.wireguard.util.KeyedList;

app/src/main/java/com/wireguard/android/util/ObservableSortedKeyedArrayList.java

@@ -5,7 +5,7 @@
 
 package com.wireguard.android.util;
 
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 import com.wireguard.util.Keyed;
 import com.wireguard.util.SortedKeyedList;

app/src/main/java/com/wireguard/android/util/RootShell.java

@@ -6,7 +6,7 @@
 package com.wireguard.android.util;
 
 import android.content.Context;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.util.Log;
 
 import com.wireguard.android.BuildConfig;

app/src/main/java/com/wireguard/android/util/ToolsInstaller.java

@@ -6,7 +6,7 @@
 package com.wireguard.android.util;
 
 import android.content.Context;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.system.OsConstants;
 import android.util.Log;
 

app/src/main/java/com/wireguard/android/viewmodel/ConfigProxy.java

@@ -5,8 +5,8 @@
 
 package com.wireguard.android.viewmodel;
 
-import android.databinding.ObservableArrayList;
-import android.databinding.ObservableList;
+import androidx.databinding.ObservableArrayList;
+import androidx.databinding.ObservableList;
 import android.os.Parcel;
 import android.os.Parcelable;
 

app/src/main/java/com/wireguard/android/viewmodel/InterfaceProxy.java

@@ -5,10 +5,10 @@
 
 package com.wireguard.android.viewmodel;
 
-import android.databinding.BaseObservable;
-import android.databinding.Bindable;
-import android.databinding.ObservableArrayList;
-import android.databinding.ObservableList;
+import androidx.databinding.BaseObservable;
+import androidx.databinding.Bindable;
+import androidx.databinding.ObservableArrayList;
+import androidx.databinding.ObservableList;
 import android.os.Parcel;
 import android.os.Parcelable;
 

app/src/main/java/com/wireguard/android/viewmodel/PeerProxy.java

@@ -5,13 +5,13 @@
 
 package com.wireguard.android.viewmodel;
 
-import android.databinding.BaseObservable;
-import android.databinding.Bindable;
-import android.databinding.Observable;
-import android.databinding.ObservableList;
+import androidx.databinding.BaseObservable;
+import androidx.databinding.Bindable;
+import androidx.databinding.Observable;
+import androidx.databinding.ObservableList;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 import com.wireguard.android.BR;
 import com.wireguard.config.Attribute;

app/src/main/java/com/wireguard/android/widget/KeyInputFilter.java

@@ -5,7 +5,7 @@
 
 package com.wireguard.android.widget;
 
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.text.InputFilter;
 import android.text.SpannableStringBuilder;
 import android.text.Spanned;

app/src/main/java/com/wireguard/android/widget/NameInputFilter.java

@@ -5,7 +5,7 @@
 
 package com.wireguard.android.widget;
 
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.text.InputFilter;
 import android.text.SpannableStringBuilder;
 import android.text.Spanned;

app/src/main/java/com/wireguard/android/widget/SlashDrawable.java

@@ -23,9 +23,9 @@ import android.graphics.RectF;
 import android.graphics.Region;
 import android.graphics.drawable.Drawable;
 import android.os.Build;
-import android.support.annotation.ColorInt;
-import android.support.annotation.IntRange;
-import android.support.annotation.Nullable;
+import androidx.annotation.ColorInt;
+import androidx.annotation.IntRange;
+import androidx.annotation.Nullable;
 import android.util.FloatProperty;
 
 @TargetApi(Build.VERSION_CODES.N)

app/src/main/java/com/wireguard/android/widget/ToggleSwitch.java

@@ -8,7 +8,7 @@ package com.wireguard.android.widget;
 
 import android.content.Context;
 import android.os.Parcelable;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.util.AttributeSet;
 import android.widget.Switch;
 

app/src/main/java/com/wireguard/android/widget/fab/FloatingActionButtonBehavior.java

@@ -10,9 +10,9 @@ import android.animation.AnimatorListenerAdapter;
 import android.animation.TimeInterpolator;
 import android.animation.ValueAnimator;
 import android.content.Context;
-import android.support.design.widget.CoordinatorLayout;
-import android.support.design.widget.Snackbar;
-import android.support.v4.view.animation.FastOutSlowInInterpolator;
+import androidx.coordinatorlayout.widget.CoordinatorLayout;
+import com.google.android.material.snackbar.Snackbar;
+import androidx.interpolator.view.animation.FastOutSlowInInterpolator;
 import android.util.AttributeSet;
 import android.view.View;
 

app/src/main/java/com/wireguard/android/widget/fab/FloatingActionsMenu.java

@@ -20,11 +20,11 @@ import android.graphics.drawable.LayerDrawable;
 import android.os.Build;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.support.annotation.Keep;
-import android.support.annotation.Nullable;
-import android.support.design.widget.FloatingActionButton;
-import android.support.v4.content.res.ResourcesCompat;
-import android.support.v7.widget.AppCompatTextView;
+import androidx.annotation.Keep;
+import androidx.annotation.Nullable;
+import com.google.android.material.floatingactionbutton.FloatingActionButton;
+import androidx.core.content.res.ResourcesCompat;
+import androidx.appcompat.widget.AppCompatTextView;
 import android.util.AttributeSet;
 import android.view.ContextThemeWrapper;
 import android.view.TouchDelegate;

app/src/main/java/com/wireguard/android/widget/fab/FloatingActionsMenuRecyclerViewScrollListener.java

@@ -5,7 +5,7 @@
 
 package com.wireguard.android.widget.fab;
 
-import android.support.v7.widget.RecyclerView;
+import androidx.recyclerview.widget.RecyclerView;
 
 public class FloatingActionsMenuRecyclerViewScrollListener extends RecyclerView.OnScrollListener {
     private static final float SCALE_FACTOR = 1.5f;

app/src/main/java/com/wireguard/android/widget/fab/LabeledFloatingActionButton.java

@@ -8,8 +8,8 @@ package com.wireguard.android.widget.fab;
 
 import android.content.Context;
 import android.content.res.TypedArray;
-import android.support.annotation.Nullable;
-import android.support.design.widget.FloatingActionButton;
+import androidx.annotation.Nullable;
+import com.google.android.material.floatingactionbutton.FloatingActionButton;
 import android.util.AttributeSet;
 import android.widget.TextView;
 

app/src/main/java/com/wireguard/android/widget/fab/TouchDelegateGroup.java

@@ -7,7 +7,7 @@
 package com.wireguard.android.widget.fab;
 
 import android.graphics.Rect;
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 import android.view.MotionEvent;
 import android.view.TouchDelegate;
 import android.view.View;

app/src/main/java/com/wireguard/config/BadConfigException.java

@@ -5,7 +5,7 @@
 
 package com.wireguard.config;
 
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 import com.wireguard.crypto.KeyFormatException;
 

app/src/main/java/com/wireguard/config/Config.java

@@ -5,7 +5,7 @@
 
 package com.wireguard.config;
 
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 import com.wireguard.config.BadConfigException.Location;
 import com.wireguard.config.BadConfigException.Reason;

app/src/main/java/com/wireguard/config/InetEndpoint.java

@@ -5,7 +5,7 @@
 
 package com.wireguard.config;
 
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 import org.threeten.bp.Duration;
 import org.threeten.bp.Instant;

app/src/main/java/com/wireguard/config/Interface.java

@@ -5,7 +5,7 @@
 
 package com.wireguard.config;
 
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 import com.wireguard.config.BadConfigException.Location;
 import com.wireguard.config.BadConfigException.Reason;

app/src/main/java/com/wireguard/config/ParseException.java

@@ -5,7 +5,7 @@
 
 package com.wireguard.config;
 
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 /**
  */

app/src/main/java/com/wireguard/config/Peer.java

@@ -5,7 +5,7 @@
 
 package com.wireguard.config;
 
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 import com.wireguard.config.BadConfigException.Location;
 import com.wireguard.config.BadConfigException.Reason;

app/src/main/java/com/wireguard/crypto/Curve25519.java

@@ -6,7 +6,7 @@
 
 package com.wireguard.crypto;
 
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 import java.util.Arrays;
 

app/src/main/java/com/wireguard/util/KeyedList.java

@@ -5,7 +5,7 @@
 
 package com.wireguard.util;
 
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 import java.util.Collection;
 import java.util.List;

app/src/main/java/com/wireguard/util/SortedKeyedList.java

@@ -5,7 +5,7 @@
 
 package com.wireguard.util;
 
-import android.support.annotation.Nullable;
+import androidx.annotation.Nullable;
 
 import java.util.Collection;
 import java.util.Comparator;

app/src/main/res/layout/app_list_dialog_fragment.xml

@@ -30,7 +30,7 @@
             android:indeterminate="true"
             android:visibility="@{appData.isEmpty() ? View.VISIBLE : View.GONE}" />
 
-        <android.support.v7.widget.RecyclerView
+        <androidx.recyclerview.widget.RecyclerView
             android:id="@+id/app_list"
             android:layout_width="match_parent"
             android:layout_height="match_parent"

app/src/main/res/layout/config_naming_dialog_fragment.xml

@@ -12,7 +12,7 @@
         android:layout_height="match_parent"
         android:padding="16dp">
 
-        <android.support.design.widget.TextInputLayout
+        <com.google.android.material.textfield.TextInputLayout
             android:id="@+id/tunnel_name_text_layout"
             android:layout_width="match_parent"
             android:layout_height="wrap_content">
@@ -25,7 +25,7 @@
                 android:inputType="textNoSuggestions|textVisiblePassword"
                 app:filter="@{NameInputFilter.newInstance()}" />
 
-        </android.support.design.widget.TextInputLayout>
+        </com.google.android.material.textfield.TextInputLayout>
 
     </FrameLayout>
 

app/src/main/res/layout/tunnel_detail_fragment.xml

@@ -32,7 +32,7 @@
             android:layout_height="wrap_content"
             android:orientation="vertical">
 
-            <android.support.v7.widget.CardView
+            <androidx.cardview.widget.CardView
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:layout_marginBottom="4dp"
@@ -122,7 +122,7 @@
                         android:contentDescription="@string/addresses"
                         android:text="@{config.interface.addresses}" />
                 </RelativeLayout>
-            </android.support.v7.widget.CardView>
+            </androidx.cardview.widget.CardView>
 
             <LinearLayout
                 android:layout_width="match_parent"

app/src/main/res/layout/tunnel_detail_peer.xml

@@ -11,7 +11,7 @@
             type="com.wireguard.config.Peer" />
     </data>
 
-    <android.support.v7.widget.CardView
+    <androidx.cardview.widget.CardView
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_marginBottom="4dp"
@@ -90,5 +90,5 @@
                 android:layout_below="@+id/endpoint_label"
                 android:text="@{item.endpoint}" />
         </RelativeLayout>
-    </android.support.v7.widget.CardView>
+    </androidx.cardview.widget.CardView>
 </layout>

app/src/main/res/layout/tunnel_editor_fragment.xml

@@ -24,7 +24,7 @@
             type="String" />
     </data>
 
-    <android.support.design.widget.CoordinatorLayout
+    <androidx.coordinatorlayout.widget.CoordinatorLayout
         android:id="@+id/main_container"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
@@ -39,7 +39,7 @@
                 android:layout_height="wrap_content"
                 android:orientation="vertical">
 
-                <android.support.v7.widget.CardView
+                <androidx.cardview.widget.CardView
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
                     android:layout_marginBottom="4dp"
@@ -228,7 +228,7 @@
                             android:onClick="@{fragment::onRequestSetExcludedApplications}"
                             android:text="@{@plurals/set_excluded_applications(config.interface.excludedApplications.size, config.interface.excludedApplications.size)}" />
                     </RelativeLayout>
-                </android.support.v7.widget.CardView>
+                </androidx.cardview.widget.CardView>
 
                 <LinearLayout
                     android:layout_width="match_parent"
@@ -250,5 +250,5 @@
                     android:text="@string/add_peer" />
             </LinearLayout>
         </ScrollView>
-    </android.support.design.widget.CoordinatorLayout>
+    </androidx.coordinatorlayout.widget.CoordinatorLayout>
 </layout>

app/src/main/res/layout/tunnel_editor_peer.xml

@@ -10,14 +10,14 @@
 
         <variable
             name="collection"
-            type="android.databinding.ObservableList&lt;com.wireguard.android.viewmodel.PeerProxy&gt;" />
+            type="androidx.databinding.ObservableList&lt;com.wireguard.android.viewmodel.PeerProxy&gt;" />
 
         <variable
             name="item"
             type="com.wireguard.android.viewmodel.PeerProxy" />
     </data>
 
-    <android.support.v7.widget.CardView
+    <androidx.cardview.widget.CardView
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginBottom="4dp"
@@ -157,5 +157,5 @@
                 android:text="@={item.persistentKeepalive}"
                 android:textAlignment="center" />
         </RelativeLayout>
-    </android.support.v7.widget.CardView>
+    </androidx.cardview.widget.CardView>
 </layout>

app/src/main/res/layout/tunnel_list_fragment.xml

@@ -19,14 +19,14 @@
             type="com.wireguard.android.util.ObservableKeyedList<String, Tunnel>" />
     </data>
 
-    <android.support.design.widget.CoordinatorLayout
+    <androidx.coordinatorlayout.widget.CoordinatorLayout
         android:id="@+id/main_container"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:background="?android:attr/colorBackground"
         android:clipChildren="false">
 
-        <android.support.v7.widget.RecyclerView
+        <androidx.recyclerview.widget.RecyclerView
             android:id="@+id/tunnel_list"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
@@ -45,7 +45,7 @@
             android:orientation="vertical"
             android:visibility="@{tunnels.size() == 0 ? android.view.View.VISIBLE : android.view.View.GONE}">
 
-            <android.support.v7.widget.AppCompatImageView
+            <androidx.appcompat.widget.AppCompatImageView
                 android:id="@+id/logo_placeholder"
                 android:layout_width="140dp"
                 android:layout_height="140dp"
@@ -101,5 +101,5 @@
                 app:fab_title="@string/create_empty"
                 app:srcCompat="@drawable/ic_action_edit_white" />
         </com.wireguard.android.widget.fab.FloatingActionsMenu>
-    </android.support.design.widget.CoordinatorLayout>
+    </androidx.coordinatorlayout.widget.CoordinatorLayout>
 </layout>

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

@@ -5,10 +5,6 @@
         <item name="colorAccent">@color/accent</item>
     </style>
 
-    <style name="SettingsTheme" parent="AppTheme">
-        <item name="preferenceTheme">@style/PreferenceThemeOverlay.v14.Material</item>
-    </style>
-
     <style name="fab_label" parent="TextAppearance.AppCompat.Inverse">
         <item name="android:background">@drawable/fab_label_background</item>
         <item name="android:textColor">@color/fab_label_text_color</item>

gradle.properties

@@ -9,6 +9,8 @@
 
 # Specifies the JVM arguments used for the daemon process.
 # The setting is particularly useful for tweaking memory settings.
+android.enableJetifier=true
+android.useAndroidX=true
 org.gradle.jvmargs=-Xmx1536m
 
 # When configured, Gradle will run in incubating parallel mode.