Remove GMS dependency, disable OCR permanently

Signed-off-by: Patryk Miś <[email protected]>

Author: PatrykMis

shared.gradle

@@ -44,7 +44,6 @@ dependencies {
 
     // Google common
     implementation 'com.google.guava:guava:33.5.0-jre'
-    implementation 'com.google.android.gms:play-services-mlkit-text-recognition:19.0.1'
     implementation 'com.google.android.material:material:1.13.0'
 
     // Support library

talkback/src/main/java/com/google/android/accessibility/talkback/actor/ImageCaptioner.java

@@ -425,8 +425,7 @@ public void handleDialogDismiss() {}
   }
 
   public static boolean supportsImageCaption(Context context) {
-    return FeatureSupport.canTakeScreenShotByAccessibilityService()
-        && TalkbackFeatureSupport.supportDynamicFeatures();
+    return false;
   }
 
   /**

talkback/src/main/java/com/google/android/accessibility/talkback/imagecaption/CharacterCaptionRequest.java

@@ -16,32 +16,21 @@
 
 package com.google.android.accessibility.talkback.imagecaption;
 
-import static com.google.android.accessibility.utils.caption.ImageCaptionUtils.CaptionType.OCR;
-
 import android.accessibilityservice.AccessibilityService;
 import android.graphics.Bitmap;
-import android.text.TextUtils;
 import androidx.annotation.NonNull;
 import androidx.core.view.accessibility.AccessibilityNodeInfoCompat;
-import com.google.android.accessibility.utils.Filter;
-import com.google.android.accessibility.utils.StringBuilderUtils;
 import com.google.android.accessibility.utils.caption.Result;
-import com.google.android.accessibility.utils.ocr.OcrController;
-import com.google.android.accessibility.utils.ocr.OcrController.OcrListener;
-import com.google.android.accessibility.utils.ocr.OcrInfo;
-import java.util.ArrayList;
 import java.util.List;
 
 /**
- * A {@link CaptionRequest} for performing OCR (optical character recognition) to recognize text
- * from the screenshot.
+ * A stub class for performing OCR (optical character recognition) to recognize text from the screenshot.
  */
-public class CharacterCaptionRequest extends CaptionRequest implements OcrListener {
+public class CharacterCaptionRequest extends CaptionRequest {
 
-  private final OcrController ocrController;
   private final Bitmap screenCapture;
 
-  /** This object takes ownership of node, caller should not recycle. */
+  /** Stub constructor */
   public CharacterCaptionRequest(
       int requestId,
       AccessibilityService service,
@@ -51,44 +40,13 @@ public CharacterCaptionRequest(
       @NonNull OnErrorListener onErrorListener,
       boolean isUserRequested) {
     super(requestId, node, onFinishListener, onErrorListener, isUserRequested);
-    ocrController = new OcrController(this, /* needCropScreenshot= */ false);
     this.screenCapture = screenCapture;
   }
 
   /**
-   * Captures screen and performs ocr(optical character recognition) to recognize text for the given
-   * node.
+   * Stub method to capture screen and perform OCR (optical character recognition) to recognize text for the given node.
    */
   @Override
-  public void perform() {
-    final List<OcrInfo> ocrInfos = new ArrayList<>();
-    ocrInfos.add(new OcrInfo(node));
-    onCaptionStart();
-    ocrController.recognizeTextForNodes(
-        screenCapture, ocrInfos, /* selectionBounds= */ null, Filter.node(node -> true));
-
-    runTimeoutRunnable();
-  }
-
-  @Override
-  public void onOcrStarted() {}
-
-  @Override
-  public void onOcrFinished(List<OcrInfo> ocrResults) {
-    stopTimeoutRunnable();
-    if (ocrResults == null) {
-      onError(ERROR_TEXT_RECOGNITION_NO_RESULT);
-      return;
-    }
+  public void perform() {}
 
-    List<CharSequence> texts = new ArrayList<>();
-    for (OcrInfo ocrResult : ocrResults) {
-      String text = OcrController.getTextFromBlocks(ocrResult.getTextBlocks());
-      if (TextUtils.isEmpty(text)) {
-        continue;
-      }
-      texts.add(text);
-    }
-    onCaptionFinish(Result.create(OCR, StringBuilderUtils.getAggregateText(texts)));
-  }
 }