Use io.flutter.Build.API_LEVELS rather than android.os.Build.VERSION_CODES

shell/platform/android/io/flutter/embedding/android/AndroidTouchProcessor.java

@@ -427,7 +427,7 @@ private void addPointerForIndex(
   }
 
   private float getHorizontalScrollFactor(@NonNull Context context) {
-    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+    if (Build.VERSION.SDK_INT >= 26) {
       return ViewConfiguration.get(context).getScaledHorizontalScrollFactor();
     } else {
       // Vertical scroll factor is not a typo. This is what View.java does in android.
@@ -436,7 +436,7 @@ private float getHorizontalScrollFactor(@NonNull Context context) {
   }
 
   private float getVerticalScrollFactor(@NonNull Context context) {
-    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+    if (Build.VERSION.SDK_INT >= 26) {
       return getVerticalScrollFactorAbove26(context);
     } else {
       return getVerticalScrollFactorPre26(context);

shell/platform/android/io/flutter/embedding/android/FlutterActivity.java

@@ -1369,7 +1369,7 @@ public void onFlutterUiDisplayed() {
     // * reportFullyDrawn behavior isn't tested on pre-Q versions.
     // See https://github.com/flutter/flutter/issues/46172, and
     // https://github.com/flutter/flutter/issues/88767.
-    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+    if (Build.VERSION.SDK_INT >= 29) {
       reportFullyDrawn();
     }
   }

shell/platform/android/io/flutter/embedding/android/FlutterView.java

@@ -385,7 +385,7 @@ private void init() {
     // FlutterView needs to be focusable so that the InputMethodManager can interact with it.
     setFocusable(true);
     setFocusableInTouchMode(true);
-    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+    if (Build.VERSION.SDK_INT >= 26) {
       setImportantForAutofill(View.IMPORTANT_FOR_AUTOFILL_YES);
     }
   }
@@ -677,7 +677,7 @@ public final WindowInsets onApplyWindowInsets(@NonNull WindowInsets insets) {
     WindowInsets newInsets = super.onApplyWindowInsets(insets);
 
     // getSystemGestureInsets() was introduced in API 29 and immediately deprecated in 30.
-    if (Build.VERSION.SDK_INT == Build.VERSION_CODES.Q) {
+    if (Build.VERSION.SDK_INT == 29) {
       Insets systemGestureInsets = insets.getSystemGestureInsets();
       viewportMetrics.systemGestureInsetTop = systemGestureInsets.top;
       viewportMetrics.systemGestureInsetRight = systemGestureInsets.right;
@@ -689,7 +689,7 @@ public final WindowInsets onApplyWindowInsets(@NonNull WindowInsets insets) {
     boolean navigationBarVisible =
         (SYSTEM_UI_FLAG_HIDE_NAVIGATION & getWindowSystemUiVisibility()) == 0;
 
-    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+    if (Build.VERSION.SDK_INT >= 30) {
       int mask = 0;
       if (navigationBarVisible) {
         mask = mask | android.view.WindowInsets.Type.navigationBars();
@@ -956,7 +956,7 @@ public AccessibilityNodeProvider getAccessibilityNodeProvider() {
   @SuppressLint("SoonBlockedPrivateApi")
   @Nullable
   public View findViewByAccessibilityIdTraversal(int accessibilityId) {
-    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
+    if (Build.VERSION.SDK_INT < 29) {
       return findViewByAccessibilityIdRootedAtCurrentView(accessibilityId, this);
     }
     // Android Q or later doesn't call this method.
@@ -1032,8 +1032,8 @@ private void resetWillNotDraw(boolean isAccessibilityEnabled, boolean isTouchExp
 
   // -------- Start: Mouse -------
   @Override
-  @TargetApi(Build.VERSION_CODES.N)
-  @RequiresApi(Build.VERSION_CODES.N)
+  @TargetApi(24)
+  @RequiresApi(24)
   @NonNull
   public PointerIcon getSystemPointerIcon(int type) {
     return PointerIcon.getSystemIcon(getContext(), type);
@@ -1098,7 +1098,7 @@ public void attachToFlutterEngine(@NonNull FlutterEngine flutterEngine) {
 
     // Initialize various components that know how to process Android View I/O
     // in a way that Flutter understands.
-    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+    if (Build.VERSION.SDK_INT >= 24) {
       mouseCursorPlugin = new MouseCursorPlugin(this, this.flutterEngine.getMouseCursorChannel());
     }
     textInputPlugin =

shell/platform/android/io/flutter/embedding/engine/loader/FlutterLoader.java

@@ -203,7 +203,7 @@ public InitResult call() {
   }
 
   private static boolean areValidationLayersOnByDefault() {
-    if (BuildConfig.DEBUG && Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+    if (BuildConfig.DEBUG && Build.VERSION.SDK_INT >= 26) {
       return Build.SUPPORTED_ABIS[0].equals("arm64-v8a");
     }
     return false;

shell/platform/android/io/flutter/embedding/engine/systemchannels/TextInputChannel.java

@@ -542,7 +542,7 @@ public static Autofill fromJson(@NonNull JSONObject json)
 
       @NonNull
       private static String translateAutofillHint(@NonNull String hint) {
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
+        if (Build.VERSION.SDK_INT < 26) {
           return hint;
         }
         switch (hint) {

shell/platform/android/io/flutter/plugin/editing/TextInputPlugin.java

@@ -69,7 +69,7 @@ public TextInputPlugin(
     // Create a default object.
     mEditable = new ListenableEditingState(null, mView);
     mImm = (InputMethodManager) view.getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
-    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+    if (Build.VERSION.SDK_INT >= 26) {
       afm = view.getContext().getSystemService(AutofillManager.class);
     } else {
       afm = null;
@@ -78,7 +78,7 @@ public TextInputPlugin(
     // Sets up syncing ime insets with the framework, allowing
     // the Flutter view to grow and shrink to accommodate Android
     // controlled keyboard animations.
-    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+    if (Build.VERSION.SDK_INT >= 30) {
       imeSyncCallback = new ImeSyncDeferringInsetsCallback(view);
       imeSyncCallback.install();
     }
@@ -107,7 +107,7 @@ public void requestAutofill() {
 
           @Override
           public void finishAutofillContext(boolean shouldSave) {
-            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O || afm == null) {
+            if (Build.VERSION.SDK_INT < 26 || afm == null) {
               return;
             }
             if (shouldSave) {
@@ -312,8 +312,7 @@ public InputConnection createInputConnection(
             configuration.textCapitalization);
     outAttrs.imeOptions = EditorInfo.IME_FLAG_NO_FULLSCREEN;
 
-    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O
-        && !configuration.enableIMEPersonalizedLearning) {
+    if (Build.VERSION.SDK_INT >= 26 && !configuration.enableIMEPersonalizedLearning) {
       outAttrs.imeOptions |= EditorInfo.IME_FLAG_NO_PERSONALIZED_LEARNING;
     }
 
@@ -676,7 +675,7 @@ private boolean needsAutofill() {
   }
 
   private void notifyViewEntered() {
-    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O || afm == null || !needsAutofill()) {
+    if (Build.VERSION.SDK_INT < 26 || afm == null || !needsAutofill()) {
       return;
     }
 
@@ -689,7 +688,7 @@ private void notifyViewEntered() {
   }
 
   private void notifyViewExited() {
-    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O
+    if (Build.VERSION.SDK_INT < 26
         || afm == null
         || configuration == null
         || configuration.autofill == null
@@ -702,7 +701,7 @@ private void notifyViewExited() {
   }
 
   private void notifyValueChanged(String newValue) {
-    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O || afm == null || !needsAutofill()) {
+    if (Build.VERSION.SDK_INT < 26 || afm == null || !needsAutofill()) {
       return;
     }
 
@@ -711,7 +710,7 @@ private void notifyValueChanged(String newValue) {
   }
 
   private void updateAutofillConfigurationIfNeeded(TextInputChannel.Configuration configuration) {
-    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
+    if (Build.VERSION.SDK_INT < 26) {
       return;
     }
 
@@ -741,7 +740,7 @@ private void updateAutofillConfigurationIfNeeded(TextInputChannel.Configuration
   }
 
   public void onProvideAutofillVirtualStructure(@NonNull ViewStructure structure, int flags) {
-    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O || !needsAutofill()) {
+    if (Build.VERSION.SDK_INT < 26 || !needsAutofill()) {
       return;
     }
 
@@ -789,7 +788,7 @@ public void onProvideAutofillVirtualStructure(@NonNull ViewStructure structure,
   }
 
   public void autofill(@NonNull SparseArray<AutofillValue> values) {
-    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
+    if (Build.VERSION.SDK_INT < 26) {
       return;
     }
 

shell/platform/android/io/flutter/plugin/localization/LocalizationPlugin.java

@@ -79,7 +79,7 @@ public Locale resolveNativeLocale(@Nullable List<Locale> supportedLocales) {
     //
     // LanguageRange and Locale.lookup was added in API 26 and is the preferred way to
     // select a locale. Pre-API 26, we implement a manual locale resolution.
-    if (Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) {
+    if (Build.VERSION.SDK_INT >= 26) {
       // Modern locale resolution using LanguageRange
       // https://developer.android.com/guide/topics/resources/multilingual-support#postN
       List<Locale.LanguageRange> languageRanges = new ArrayList<>();
@@ -104,7 +104,7 @@ public Locale resolveNativeLocale(@Nullable List<Locale> supportedLocales) {
         return platformResolvedLocale;
       }
       return supportedLocales.get(0);
-    } else if (Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.N) {
+    } else if (Build.VERSION.SDK_INT >= 24) {
       // Modern locale resolution without languageRange
       // https://developer.android.com/guide/topics/resources/multilingual-support#postN
       LocaleList localeList = context.getResources().getConfiguration().getLocales();
@@ -160,7 +160,7 @@ public Locale resolveNativeLocale(@Nullable List<Locale> supportedLocales) {
   @SuppressWarnings("deprecation")
   public void sendLocalesToFlutter(@NonNull Configuration config) {
     List<Locale> locales = new ArrayList<>();
-    if (Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.N) {
+    if (Build.VERSION.SDK_INT >= 24) {
       LocaleList localeList = config.getLocales();
       int localeCount = localeList.size();
       for (int index = 0; index < localeCount; ++index) {

shell/platform/android/io/flutter/plugin/mouse/MouseCursorPlugin.java

@@ -5,16 +5,15 @@
 package io.flutter.plugin.mouse;
 
 import android.annotation.TargetApi;
-import android.os.Build;
 import android.view.PointerIcon;
 import androidx.annotation.NonNull;
 import androidx.annotation.RequiresApi;
 import io.flutter.embedding.engine.systemchannels.MouseCursorChannel;
 import java.util.HashMap;
 
 /** A mandatory plugin that handles mouse cursor requests. */
-@TargetApi(Build.VERSION_CODES.N)
-@RequiresApi(Build.VERSION_CODES.N)
+@TargetApi(24)
+@RequiresApi(24)
 public class MouseCursorPlugin {
   @NonNull private final MouseCursorViewDelegate mView;
   @NonNull private final MouseCursorChannel mouseCursorChannel;

shell/platform/android/io/flutter/plugin/platform/PlatformPlugin.java

@@ -200,7 +200,7 @@ private void playSystemSound(@NonNull PlatformChannel.SoundType soundType) {
         view.performHapticFeedback(HapticFeedbackConstants.KEYBOARD_TAP);
         break;
       case HEAVY_IMPACT:
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+        if (Build.VERSION.SDK_INT >= 23) {
           view.performHapticFeedback(HapticFeedbackConstants.CONTEXT_CLICK);
         }
         break;
@@ -217,7 +217,7 @@ private void setSystemChromePreferredOrientations(int androidOrientation) {
   @SuppressWarnings("deprecation")
   private void setSystemChromeApplicationSwitcherDescription(
       PlatformChannel.AppSwitcherDescription description) {
-    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.P) {
+    if (Build.VERSION.SDK_INT < 28) {
       activity.setTaskDescription(
           new TaskDescription(description.label, /* icon= */ null, description.color));
     } else {

shell/platform/android/io/flutter/plugin/platform/VirtualDisplayController.java

@@ -147,7 +147,7 @@ public void resize(final int width, final int height, final Runnable onNewSizeFr
       getView().postDelayed(onNewSizeFrameAvailable, 0);
       return;
     }
-    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+    if (Build.VERSION.SDK_INT >= 31) {
       resize31(getView(), width, height, onNewSizeFrameAvailable);
       return;
     }

shell/platform/android/io/flutter/plugin/text/ProcessTextPlugin.java

@@ -70,7 +70,7 @@ public void processTextAction(
       return;
     }
 
-    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
+    if (Build.VERSION.SDK_INT < 23) {
       result.error("error", "Android version not supported", null);
       return;
     }
@@ -105,14 +105,14 @@ public void processTextAction(
   private void cacheResolveInfos() {
     resolveInfosById = new HashMap<String, ResolveInfo>();
 
-    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
+    if (Build.VERSION.SDK_INT < 23) {
       return;
     }
 
     Intent intent = new Intent().setAction(Intent.ACTION_PROCESS_TEXT).setType("text/plain");
 
     List<ResolveInfo> infos;
-    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+    if (Build.VERSION.SDK_INT >= 33) {
       infos = packageManager.queryIntentActivities(intent, PackageManager.ResolveInfoFlags.of(0));
     } else {
       infos = packageManager.queryIntentActivities(intent, 0);
@@ -134,8 +134,8 @@ private void cacheResolveInfos() {
    * <p>When an activity does not return a value. the request is completed successfully and returns
    * null.
    */
-  @TargetApi(Build.VERSION_CODES.M)
-  @RequiresApi(Build.VERSION_CODES.M)
+  @TargetApi(23)
+  @RequiresApi(23)
   public boolean onActivityResult(int requestCode, int resultCode, @Nullable Intent intent) {
     // Return early if the result is not related to a request sent by this plugin.
     if (!requestsByCode.containsKey(requestCode)) {

shell/platform/android/io/flutter/view/AccessibilityBridge.java

@@ -324,7 +324,7 @@ public void onTooltip(@NonNull String message) {
           //
           // To reproduce native behavior, see
           // https://developer.android.com/guide/topics/ui/tooltips.
-          if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
+          if (Build.VERSION.SDK_INT >= 28) {
             return;
           }
           AccessibilityEvent e =
@@ -478,7 +478,7 @@ public void onTouchExplorationStateChanged(boolean isTouchExplorationEnabled) {
 
     // Tells Flutter whether the text should be bolded or not. If the user changes bold text
     // setting, the configuration will change and trigger a re-build of the accesibiltyBridge.
-    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+    if (Build.VERSION.SDK_INT >= 31) {
       setBoldTextFlag();
     }
 
@@ -616,7 +616,7 @@ public AccessibilityNodeInfo createAccessibilityNodeInfo(int virtualViewId) {
       if (flutterSemanticsTree.containsKey(ROOT_NODE_ID)) {
         result.addChild(rootAccessibilityView, ROOT_NODE_ID);
       }
-      if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+      if (Build.VERSION.SDK_INT >= 24) {
         result.setImportantForAccessibility(false);
       }
       return result;
@@ -652,7 +652,7 @@ public AccessibilityNodeInfo createAccessibilityNodeInfo(int virtualViewId) {
 
     // Accessibility Scanner uses isImportantForAccessibility to decide whether to check
     // or skip this node.
-    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+    if (Build.VERSION.SDK_INT >= 24) {
       result.setImportantForAccessibility(isImportant(semanticsNode));
     }
 
@@ -881,12 +881,12 @@ public AccessibilityNodeInfo createAccessibilityNodeInfo(int virtualViewId) {
     // for non-scopes-routes semantics nodes.
     if (semanticsNode.hasFlag(Flag.IS_TEXT_FIELD)) {
       result.setText(semanticsNode.getValue());
-      if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
+      if (Build.VERSION.SDK_INT >= 28) {
         result.setHintText(semanticsNode.getTextFieldHint());
       }
     } else if (!semanticsNode.hasFlag(Flag.SCOPES_ROUTE)) {
       CharSequence content = semanticsNode.getValueLabelHint();
-      if (Build.VERSION.SDK_INT < Build.VERSION_CODES.P) {
+      if (Build.VERSION.SDK_INT < 28) {
         if (semanticsNode.tooltip != null) {
           // For backward compatibility with Flutter SDK before Android API
           // level 28, the tooltip is appended at the end of content description.
@@ -899,7 +899,7 @@ public AccessibilityNodeInfo createAccessibilityNodeInfo(int virtualViewId) {
       }
     }
 
-    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
+    if (Build.VERSION.SDK_INT >= 28) {
       if (semanticsNode.tooltip != null) {
         result.setTooltipText(semanticsNode.tooltip);
       }
@@ -925,7 +925,7 @@ public AccessibilityNodeInfo createAccessibilityNodeInfo(int virtualViewId) {
     result.setSelected(semanticsNode.hasFlag(Flag.IS_SELECTED));
 
     // Heading support
-    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
+    if (Build.VERSION.SDK_INT >= 28) {
       result.setHeading(semanticsNode.hasFlag(Flag.IS_HEADER));
     }
 
@@ -1911,7 +1911,7 @@ private void onWindowNameChange(@NonNull SemanticsNode route) {
       // next.
       routeName = " ";
     }
-    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
+    if (Build.VERSION.SDK_INT >= 28) {
       setAccessibilityPaneTitle(routeName);
     } else {
       AccessibilityEvent event =