TextRecognitionAPP 성공한 MainActivity

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package com.bear.textrecognitionapp; import androidx.annotation.NonNull; import androidx.appcompat.app.AppCompatActivity; import android.content.Intent; import android.graphics.Bitmap; import android.os.Bundle; import android.provider.MediaStore; import android.util.Log; import android.view.View; import android.widget.Button; import android.widget.ImageView; import android.widget.TextView; import android.widget.Toast; import com.google.android.gms.tasks.OnFailureListener; import com.google.android.gms.tasks.OnSuccessListener; import com.google.firebase.ml.vision.FirebaseVision; import com.google.firebase.ml.vision.common.FirebaseVisionImage; import com.google.firebase.ml.vision.text.FirebaseVisionText; import com.google.firebase.ml.vision.text.FirebaseVisionTextDetector; import java.util.List; public class MainActivity extends AppCompatActivity {     private Button captureImageBtn, detectTextBtn;     private ImageView imageView;     private TextView textView;     private Bitmap imageBitmap;     static final int REQUEST_IMAGE_CAPTURE = 1;     @Override     protected void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.activity_main);         captureImageBtn = findViewById(R.id.caputure_image);         detectTextBtn = findViewById(R.id.detect_text_image);         imageView = findViewById(R.id.image_view);         textView = findViewById(R.id.text_display);         captureImageBtn.setOnClickListener(new View.OnClickListener() {             @Override             public void onClick(View v)             {                 dispatchTakePictureIntent();                 textView.setText("");             }         });         detectTextBtn.setOnClickListener(new View.OnClickListener() {             @Override             public void onClick(View v)             {                 detectTextFromImage();             }         });     }     private void dispatchTakePictureIntent() {         Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);         if (takePictureIntent.resolveActivity(getPackageManager()) != null) {             startActivityForResult(takePictureIntent, REQUEST_IMAGE_CAPTURE);         }     }     @Override     protected void onActivityResult(int requestCode, int resultCode, Intent data) {         super.onActivityResult(requestCode, resultCode, data);         if (requestCode == REQUEST_IMAGE_CAPTURE && resultCode == RESULT_OK) {             Bundle extras = data.getExtras();             imageBitmap = (Bitmap) extras.get("data");             imageView.setImageBitmap(imageBitmap);         }     }     private void detectTextFromImage() {         FirebaseVisionImage firebaseVisionImage = FirebaseVisionImage.fromBitmap(imageBitmap);         FirebaseVisionTextDetector firebaseVisionTextDetector = FirebaseVision.getInstance().getVisionTextDetector();         firebaseVisionTextDetector.detectInImage(firebaseVisionImage).addOnSuccessListener(new OnSuccessListener<FirebaseVisionText>() {             @Override             public void onSuccess(FirebaseVisionText firebaseVisionText) {                 displayTextFromImage(firebaseVisionText);             }         }).addOnFailureListener(new OnFailureListener() {             @Override             public void onFailure(@NonNull Exception e) {                 Toast.makeText(MainActivity.this, "Error"+ e.getMessage(), Toast.LENGTH_SHORT).show();                 Log.d("Error", e.getMessage());             }         });     }     private void displayTextFromImage(FirebaseVisionText firebaseVisionText)     {         List<FirebaseVisionText.Block> blockList = firebaseVisionText.getBlocks();         if (blockList.size() == 0)         {             Toast.makeText(this, "No Text Found in image.", Toast.LENGTH_SHORT).show();         }         else         {             for (FirebaseVisionText.Block block : firebaseVisionText.getBlocks())             {                 String text = block.getText();                 textView.setText(text);             }         }     } } Colored by Color Scripter

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