RollingInTheDeep · whdpwls2486 · Jun 9, 2021
diff --git a/app/build.gradle b/app/build.gradle
@@ -44,6 +44,8 @@ dependencies {
     implementation 'com.google.firebase:firebase-firestore:23.0.0'
     implementation 'com.google.firebase:firebase-storage:20.0.0'
     implementation 'com.google.firebase:firebase-functions'
+    implementation project(path: ':opencv')
+    implementation 'com.rmtheis:tess-two:9.0.0'
 
     def fragment_version = "1.3.3"
     def lifecycle_version = "2.0.0"

diff --git a/app/src/main/assets/eng.traineddata b/app/src/main/assets/eng.traineddata
diff --git a/app/src/main/assets/kor.traineddata b/app/src/main/assets/kor.traineddata
diff --git a/app/src/main/java/com/example/rid_project/ui/activity/SelectTextActivity.java b/app/src/main/java/com/example/rid_project/ui/activity/SelectTextActivity.java
@@ -1,41 +1,36 @@
 package com.example.rid_project.ui.activity;
 
-import androidx.activity.result.ActivityResult;
-import androidx.activity.result.ActivityResultCallback;
-import androidx.activity.result.ActivityResultLauncher;
-import androidx.activity.result.contract.ActivityResultContracts;
-import androidx.annotation.NonNull;
-import androidx.appcompat.app.AppCompatActivity;
-
-
 import android.app.Activity;
 import android.content.Intent;
+import android.content.res.AssetManager;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
+import android.os.AsyncTask;
 import android.os.Bundle;
 import android.provider.MediaStore;
-import android.util.Base64;
-import android.util.Log;
 import android.view.View;
 import android.widget.Button;
 import android.widget.CheckBox;
+import android.widget.TextView;
+import android.widget.Toast;
 
+import androidx.activity.result.ActivityResult;
+import androidx.activity.result.ActivityResultCallback;
+import androidx.activity.result.ActivityResultLauncher;
+import androidx.activity.result.contract.ActivityResultContracts;
+import androidx.appcompat.app.AppCompatActivity;
 
+import com.example.rid_project.R;
 import com.example.rid_project.databinding.ActivitySelectTextBinding;
-import com.google.android.gms.tasks.Continuation;
-import com.google.android.gms.tasks.Task;
 import com.google.firebase.functions.FirebaseFunctions;
-import com.google.firebase.functions.FirebaseFunctionsException;
-import com.google.firebase.functions.HttpsCallableResult;
 import com.google.firebase.storage.FirebaseStorage;
-import com.google.firebase.storage.StorageReference;
-import com.google.gson.Gson;
-import com.google.gson.JsonElement;
-import com.google.gson.JsonObject;
-import com.google.gson.JsonParser;
-import com.google.gson.JsonPrimitive;
-
-import java.io.ByteArrayOutputStream;
+import com.googlecode.tesseract.android.TessBaseAPI;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
 import java.util.Random;
 
 
@@ -53,6 +48,7 @@ public class SelectTextActivity extends AppCompatActivity {
     private CheckBox cb3;
     private CheckBox cb4;
     private FirebaseFunctions mFunctions;
+    TessBaseAPI tessBaseAPI = new TessBaseAPI();
 
 
     @Override
@@ -69,12 +65,18 @@ protected void onCreate(Bundle savedInstanceState) {
 
         btnNext = binding.btnNext;
         btnNext.setOnClickListener(view1 -> {
-            Intent intent = new Intent(SelectTextActivity.this,ReadTextActivity.class);
+            Intent intent = new Intent(SelectTextActivity.this, ReadTextActivity.class);
             intent.putExtra("check",Checked(view1));
             startActivity(intent);
             finish();
         });
 
+        // tesseract 언어 설정
+        String dir = getFilesDir() + "/tesseract";
+        if(checkLanguageFile(dir+"/tessdata"))
+            tessBaseAPI.init(dir, "eng");
+            // tessBaseAPI.init(dir, "kor");
+
         Intent getIntent = new Intent(this.getIntent());
         userUid = getIntent.getStringExtra("userUid");
 
@@ -99,6 +101,69 @@ public String Checked(View v) {
         return resultText;
     }
 
+    // traineddata파일이 해당 경로에 존재하는지 확인
+    private boolean checkLanguageFile(String dir)
+    {
+        File file = new File(dir);
+        if(!file.exists() && file.mkdirs())
+            createFiles(dir);
+        else if(file.exists()){
+            String filePath = dir + "/eng.traineddata";
+            File langDataFile = new File(filePath);
+            if(!langDataFile.exists())
+                createFiles(dir);
+        }
+        return true;
+    }
+
+    private void createFiles(String dir)
+    {
+        AssetManager assetMgr = this.getAssets();
+
+        InputStream inputStream = null;
+        OutputStream outputStream = null;
+
+        try {
+            inputStream = assetMgr.open("eng.traineddata");
+
+            String destFile = dir + "/eng.traineddata";
+
+            outputStream = new FileOutputStream(destFile);
+
+            byte[] buffer = new byte[1024];
+            int read;
+            while ((read = inputStream.read(buffer)) != -1) {
+                outputStream.write(buffer, 0, read);
+            }
+            inputStream.close();
+            outputStream.flush();
+            outputStream.close();
+        }catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    //Tesseract 실행 클래스
+    private class AsyncTess extends AsyncTask<Bitmap, Integer, String> {
+
+        @Override
+        protected String doInBackground(Bitmap... bitmaps) {
+
+            tessBaseAPI.setImage(bitmaps[0]);
+       //     Toast.makeText(SelectTextActivity.this, "doInBackground:"+tessBaseAPI.getUTF8Text(), Toast.LENGTH_LONG).show();
+            System.out.println(tessBaseAPI.getUTF8Text());
+
+            return tessBaseAPI.getUTF8Text();
+        }
+
+        protected void onPostExecute(String result) {
+            TextView tessResultTextView = findViewById(R.id.tessResultText);
+            Toast.makeText(SelectTextActivity.this, ""+result, Toast.LENGTH_LONG).show();
+            tessResultTextView.setText(result);
+            tessBaseAPI.end();
+        }
+    }
+
 
     ActivityResultLauncher<Intent> startActivityResult = registerForActivityResult(
             new ActivityResultContracts.StartActivityForResult(),
@@ -118,7 +183,7 @@ public void onActivityResult(ActivityResult result) {
 
                         Bundle extras = result.getData().getExtras();
                         Bitmap bitmap = (Bitmap) extras.get("data");
-
+                        new AsyncTess().execute(bitmap);
 
 
 

diff --git a/app/src/main/java/com/example/rid_project/ui/activity/StartActivity.java b/app/src/main/java/com/example/rid_project/ui/activity/StartActivity.java
@@ -1,10 +1,17 @@
 package com.example.rid_project.ui.activity;
 
+import android.Manifest;
 import android.content.Intent;
+import android.content.pm.PackageManager;
 import android.os.Bundle;
 import android.os.Handler;
+import android.provider.MediaStore;
+import android.widget.Toast;
 
+import androidx.annotation.NonNull;
 import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.app.ActivityCompat;
+import androidx.core.content.ContextCompat;
 
 import com.example.rid_project.R;
 
@@ -14,16 +21,41 @@ public class StartActivity extends AppCompatActivity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.start_activity);
+        int permissionCheck = ContextCompat.checkSelfPermission(StartActivity.this, Manifest.permission.CAMERA);
+        if(permissionCheck== PackageManager.PERMISSION_DENIED){
+            // 권한 없음
+            ActivityCompat.requestPermissions(StartActivity.this, new String[]{Manifest.permission.CAMERA},0);
+        }
+
         Handler handler = new Handler();  // 시작화면 3초후 로그인 화면으로 연결
         handler.postDelayed(new Runnable() {
             @Override
             public void run() {
-                Intent intent = new Intent(getApplicationContext(),SignInActivity.class);
-                startActivity(intent);
-                finish();
+                    //권한 있음
+                    Intent intent = new Intent(getApplicationContext(),SignInActivity.class);
+                    //Intent intent = new Intent(getApplicationContext(),SelectTextActivity.class);
+                    startActivity(intent);
+                    finish();
+
             }
         },2000);
     }
+
+    @Override
+    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
+        if (requestCode == 0) {
+            if (grantResults[0] == 0) {
+                Toast.makeText(this, "카메라 권한이 승인됨",
+                        Toast.LENGTH_SHORT).show();
+            } else {
+                //권한 거절된 경우
+                Toast.makeText(this, "카메라 권한이 거절 되었습니다.카메라를 이용하려면 권한을 승낙하여야 합니다.",
+                        Toast.LENGTH_SHORT).show();
+            }
+        }
+    }
+
     @Override
     protected void onPause() {
         super.onPause();

diff --git a/app/src/main/res/layout/activity_select_text.xml b/app/src/main/res/layout/activity_select_text.xml
@@ -86,4 +86,18 @@
         app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintVertical_bias="0.884" />
 
+        <TextView
+            android:id="@+id/tessResultText"
+            android:layout_width="245dp"
+            android:layout_height="53dp"
+            android:layout_marginEnd="80dp"
+            android:layout_marginRight="80dp"
+            android:textSize="18sp"
+            android:text ="텍스트 인식 결과"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintVertical_bias="0.774"
+            tools:ignore="HardcodedText" />
+
 </androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/build.gradle b/build.gradle
@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath "com.android.tools.build:gradle:4.0.2"
+        classpath 'com.android.tools.build:gradle:4.2.1'
         classpath 'com.google.gms:google-services:4.3.5'
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files

diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.4.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.7.1-all.zip