diff --git a/java/Android.mk b/java/Android.mk
index 837b2d9e3..184820ba6 100644
--- a/java/Android.mk
+++ b/java/Android.mk
@@ -29,7 +29,7 @@ LOCAL_STATIC_JAVA_LIBRARIES := \
         android-common inputmethod-common jsr305 latinime-common
 
 LOCAL_STATIC_ANDROID_LIBRARIES := \
-        android-support-v4
+        androidx.legacy_legacy-support-v4
 
 LOCAL_USE_AAPT2 := true
 
diff --git a/java/res/layout/emoji_palettes_view.xml b/java/res/layout/emoji_palettes_view.xml
index 26cc042ab..7c5f6c0a6 100644
--- a/java/res/layout/emoji_palettes_view.xml
+++ b/java/res/layout/emoji_palettes_view.xml
@@ -71,7 +71,7 @@
             android:soundEffectsEnabled="false"
             android:contentDescription="@string/spoken_description_delete" />
     </LinearLayout>
-    <android.support.v4.view.ViewPager
+    <androidx.viewpager.widget.ViewPager
         android:id="@+id/emoji_keyboard_pager"
         android:layout_width="match_parent"
         android:layout_height="wrap_content" />
diff --git a/java/src/com/android/inputmethod/accessibility/AccessibilityUtils.java b/java/src/com/android/inputmethod/accessibility/AccessibilityUtils.java
index 442ab3e3a..31e142e72 100644
--- a/java/src/com/android/inputmethod/accessibility/AccessibilityUtils.java
+++ b/java/src/com/android/inputmethod/accessibility/AccessibilityUtils.java
@@ -21,7 +21,7 @@ import android.media.AudioManager;
 import android.os.Build;
 import android.os.SystemClock;
 import android.provider.Settings;
-import android.support.v4.view.accessibility.AccessibilityEventCompat;
+import androidx.core.view.accessibility.AccessibilityEventCompat;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.MotionEvent;
diff --git a/java/src/com/android/inputmethod/accessibility/KeyboardAccessibilityDelegate.java b/java/src/com/android/inputmethod/accessibility/KeyboardAccessibilityDelegate.java
index 237117d10..f7a11639d 100644
--- a/java/src/com/android/inputmethod/accessibility/KeyboardAccessibilityDelegate.java
+++ b/java/src/com/android/inputmethod/accessibility/KeyboardAccessibilityDelegate.java
@@ -18,9 +18,9 @@ package com.android.inputmethod.accessibility;
 
 import android.content.Context;
 import android.os.SystemClock;
-import android.support.v4.view.AccessibilityDelegateCompat;
-import android.support.v4.view.ViewCompat;
-import android.support.v4.view.accessibility.AccessibilityNodeInfoCompat;
+import androidx.core.view.AccessibilityDelegateCompat;
+import androidx.core.view.ViewCompat;
+import androidx.core.view.accessibility.AccessibilityNodeInfoCompat;
 import android.util.Log;
 import android.view.MotionEvent;
 import android.view.View;
diff --git a/java/src/com/android/inputmethod/accessibility/KeyboardAccessibilityNodeProvider.java b/java/src/com/android/inputmethod/accessibility/KeyboardAccessibilityNodeProvider.java
index 2de71cec9..a3511c63f 100644
--- a/java/src/com/android/inputmethod/accessibility/KeyboardAccessibilityNodeProvider.java
+++ b/java/src/com/android/inputmethod/accessibility/KeyboardAccessibilityNodeProvider.java
@@ -18,11 +18,11 @@ package com.android.inputmethod.accessibility;
 
 import android.graphics.Rect;
 import android.os.Bundle;
-import android.support.v4.view.ViewCompat;
-import android.support.v4.view.accessibility.AccessibilityEventCompat;
-import android.support.v4.view.accessibility.AccessibilityNodeInfoCompat;
-import android.support.v4.view.accessibility.AccessibilityNodeProviderCompat;
-import android.support.v4.view.accessibility.AccessibilityRecordCompat;
+import androidx.core.view.ViewCompat;
+import androidx.core.view.accessibility.AccessibilityEventCompat;
+import androidx.core.view.accessibility.AccessibilityNodeInfoCompat;
+import androidx.core.view.accessibility.AccessibilityNodeProviderCompat;
+import androidx.core.view.accessibility.AccessibilityRecordCompat;
 import android.util.Log;
 import android.view.View;
 import android.view.accessibility.AccessibilityEvent;
diff --git a/java/src/com/android/inputmethod/compat/UserManagerCompatUtils.java b/java/src/com/android/inputmethod/compat/UserManagerCompatUtils.java
index 5dee31629..a0ca2c9f2 100644
--- a/java/src/com/android/inputmethod/compat/UserManagerCompatUtils.java
+++ b/java/src/com/android/inputmethod/compat/UserManagerCompatUtils.java
@@ -19,7 +19,7 @@ package com.android.inputmethod.compat;
 import android.content.Context;
 import android.os.Build;
 import android.os.UserManager;
-import android.support.annotation.IntDef;
+import androidx.annotation.IntDef;
 
 import java.lang.annotation.Retention;
 import java.lang.reflect.Method;
diff --git a/java/src/com/android/inputmethod/compat/ViewCompatUtils.java b/java/src/com/android/inputmethod/compat/ViewCompatUtils.java
index 16260ab6a..a584625e2 100644
--- a/java/src/com/android/inputmethod/compat/ViewCompatUtils.java
+++ b/java/src/com/android/inputmethod/compat/ViewCompatUtils.java
@@ -20,7 +20,7 @@ import android.view.View;
 
 import java.lang.reflect.Method;
 
-// TODO: Use {@link android.support.v4.view.ViewCompat} instead of this utility class.
+// TODO: Use {@link androidx.core.view.ViewCompat} instead of this utility class.
 // Currently {@link #getPaddingEnd(View)} and {@link #setPaddingRelative(View,int,int,int,int)}
 // are missing from android-support-v4 static library in KitKat SDK.
 public final class ViewCompatUtils {
diff --git a/java/src/com/android/inputmethod/keyboard/emoji/EmojiLayoutParams.java b/java/src/com/android/inputmethod/keyboard/emoji/EmojiLayoutParams.java
index 582e09124..797541a15 100644
--- a/java/src/com/android/inputmethod/keyboard/emoji/EmojiLayoutParams.java
+++ b/java/src/com/android/inputmethod/keyboard/emoji/EmojiLayoutParams.java
@@ -17,7 +17,7 @@
 package com.android.inputmethod.keyboard.emoji;
 
 import android.content.res.Resources;
-import android.support.v4.view.ViewPager;
+import androidx.viewpager.widget.ViewPager;
 import android.view.View;
 import android.widget.LinearLayout;
 
diff --git a/java/src/com/android/inputmethod/keyboard/emoji/EmojiPalettesAdapter.java b/java/src/com/android/inputmethod/keyboard/emoji/EmojiPalettesAdapter.java
index 68056e0eb..18b9c7e36 100644
--- a/java/src/com/android/inputmethod/keyboard/emoji/EmojiPalettesAdapter.java
+++ b/java/src/com/android/inputmethod/keyboard/emoji/EmojiPalettesAdapter.java
@@ -16,7 +16,7 @@
 
 package com.android.inputmethod.keyboard.emoji;
 
-import android.support.v4.view.PagerAdapter;
+import androidx.viewpager.widget.PagerAdapter;
 import android.util.Log;
 import android.util.SparseArray;
 import android.view.LayoutInflater;
diff --git a/java/src/com/android/inputmethod/keyboard/emoji/EmojiPalettesView.java b/java/src/com/android/inputmethod/keyboard/emoji/EmojiPalettesView.java
index a3b869d73..9ba8d2ba2 100644
--- a/java/src/com/android/inputmethod/keyboard/emoji/EmojiPalettesView.java
+++ b/java/src/com/android/inputmethod/keyboard/emoji/EmojiPalettesView.java
@@ -23,7 +23,7 @@ import android.content.res.Resources;
 import android.content.res.TypedArray;
 import android.graphics.Color;
 import android.preference.PreferenceManager;
-import android.support.v4.view.ViewPager;
+import androidx.viewpager.widget.ViewPager;
 import android.util.AttributeSet;
 import android.util.Pair;
 import android.util.TypedValue;
diff --git a/java/src/com/android/inputmethod/latin/accounts/AccountStateChangedListener.java b/java/src/com/android/inputmethod/latin/accounts/AccountStateChangedListener.java
index 60d420fc3..3c39c9a16 100644
--- a/java/src/com/android/inputmethod/latin/accounts/AccountStateChangedListener.java
+++ b/java/src/com/android/inputmethod/latin/accounts/AccountStateChangedListener.java
@@ -16,7 +16,7 @@
 
 package com.android.inputmethod.latin.accounts;
 
-import android.support.annotation.NonNull;
+import androidx.annotation.NonNull;
 
 import javax.annotation.Nullable;
 
diff --git a/java/src/com/android/inputmethod/latin/permissions/PermissionsActivity.java b/java/src/com/android/inputmethod/latin/permissions/PermissionsActivity.java
index bdd63fa00..36d8ed943 100644
--- a/java/src/com/android/inputmethod/latin/permissions/PermissionsActivity.java
+++ b/java/src/com/android/inputmethod/latin/permissions/PermissionsActivity.java
@@ -21,8 +21,8 @@ import android.app.Activity;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.annotation.NonNull;
-import android.support.v4.app.ActivityCompat;
+import androidx.annotation.NonNull;
+import androidx.core.app.ActivityCompat;
 
 /**
  * An activity to help request permissions. It's used when no other activity is available, e.g. in
diff --git a/java/src/com/android/inputmethod/latin/permissions/PermissionsUtil.java b/java/src/com/android/inputmethod/latin/permissions/PermissionsUtil.java
index 747f64f24..9a618a755 100644
--- a/java/src/com/android/inputmethod/latin/permissions/PermissionsUtil.java
+++ b/java/src/com/android/inputmethod/latin/permissions/PermissionsUtil.java
@@ -20,9 +20,9 @@ import android.app.Activity;
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.os.Build;
-import android.support.annotation.NonNull;
-import android.support.v4.app.ActivityCompat;
-import android.support.v4.content.ContextCompat;
+import androidx.annotation.NonNull;
+import androidx.core.app.ActivityCompat;
+import androidx.core.content.ContextCompat;
 
 import java.util.ArrayList;
 import java.util.List;
diff --git a/java/src/com/android/inputmethod/latin/settings/CustomInputStyleSettingsFragment.java b/java/src/com/android/inputmethod/latin/settings/CustomInputStyleSettingsFragment.java
index 46fcc7106..56e8f1623 100644
--- a/java/src/com/android/inputmethod/latin/settings/CustomInputStyleSettingsFragment.java
+++ b/java/src/com/android/inputmethod/latin/settings/CustomInputStyleSettingsFragment.java
@@ -26,7 +26,7 @@ import android.os.Bundle;
 import android.preference.Preference;
 import android.preference.PreferenceFragment;
 import android.preference.PreferenceGroup;
-import android.support.v4.view.ViewCompat;
+import androidx.core.view.ViewCompat;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.LayoutInflater;
diff --git a/java/src/com/android/inputmethod/latin/settings/SettingsActivity.java b/java/src/com/android/inputmethod/latin/settings/SettingsActivity.java
index a7d157a6b..ac1657762 100644
--- a/java/src/com/android/inputmethod/latin/settings/SettingsActivity.java
+++ b/java/src/com/android/inputmethod/latin/settings/SettingsActivity.java
@@ -25,7 +25,7 @@ import android.app.ActionBar;
 import android.content.Intent;
 import android.os.Bundle;
 import android.preference.PreferenceActivity;
-import android.support.v4.app.ActivityCompat;
+import androidx.core.app.ActivityCompat;
 import android.view.MenuItem;
 
 public final class SettingsActivity extends PreferenceActivity
diff --git a/java/src/com/android/inputmethod/latin/setup/SetupStartIndicatorView.java b/java/src/com/android/inputmethod/latin/setup/SetupStartIndicatorView.java
index 73d25f6aa..789694f08 100644
--- a/java/src/com/android/inputmethod/latin/setup/SetupStartIndicatorView.java
+++ b/java/src/com/android/inputmethod/latin/setup/SetupStartIndicatorView.java
@@ -21,7 +21,7 @@ import android.content.res.ColorStateList;
 import android.graphics.Canvas;
 import android.graphics.Paint;
 import android.graphics.Path;
-import android.support.v4.view.ViewCompat;
+import androidx.core.view.ViewCompat;
 import android.util.AttributeSet;
 import android.view.LayoutInflater;
 import android.view.View;
diff --git a/java/src/com/android/inputmethod/latin/setup/SetupStepIndicatorView.java b/java/src/com/android/inputmethod/latin/setup/SetupStepIndicatorView.java
index 6734e61b8..9a39ceace 100644
--- a/java/src/com/android/inputmethod/latin/setup/SetupStepIndicatorView.java
+++ b/java/src/com/android/inputmethod/latin/setup/SetupStepIndicatorView.java
@@ -20,7 +20,7 @@ import android.content.Context;
 import android.graphics.Canvas;
 import android.graphics.Paint;
 import android.graphics.Path;
-import android.support.v4.view.ViewCompat;
+import androidx.core.view.ViewCompat;
 import android.util.AttributeSet;
 import android.view.View;
 
diff --git a/java/src/com/android/inputmethod/latin/spellcheck/SpellCheckerSettingsActivity.java b/java/src/com/android/inputmethod/latin/spellcheck/SpellCheckerSettingsActivity.java
index 356d9d021..5f99f9004 100644
--- a/java/src/com/android/inputmethod/latin/spellcheck/SpellCheckerSettingsActivity.java
+++ b/java/src/com/android/inputmethod/latin/spellcheck/SpellCheckerSettingsActivity.java
@@ -24,7 +24,7 @@ import android.content.Intent;
 import android.os.Build;
 import android.os.Bundle;
 import android.preference.PreferenceActivity;
-import android.support.v4.app.ActivityCompat;
+import androidx.core.app.ActivityCompat;
 
 /**
  * Spell checker preference screen.
diff --git a/java/src/com/android/inputmethod/latin/suggestions/SuggestionStripView.java b/java/src/com/android/inputmethod/latin/suggestions/SuggestionStripView.java
index c1d1fad68..840a4aa3d 100644
--- a/java/src/com/android/inputmethod/latin/suggestions/SuggestionStripView.java
+++ b/java/src/com/android/inputmethod/latin/suggestions/SuggestionStripView.java
@@ -21,7 +21,7 @@ import android.content.res.Resources;
 import android.content.res.TypedArray;
 import android.graphics.Color;
 import android.graphics.drawable.Drawable;
-import android.support.v4.view.ViewCompat;
+import androidx.core.view.ViewCompat;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.util.TypedValue;