차량번호 이미지센싱 어플 만들기

<피그마 디자인>

 

카메라 버튼 누를 시, 카메라 어플 켜지면 이미지뷰에 이미지가 나오면서 그 나온 이미지의 차량번호를 센싱해서 아래 차량번호만 나오게 하는 것을

구현하고자 했지만,,, 계속 오류가 나서,,, 카메라 키는 것 조차 못하고 있다. 

 

현재 작업 상황

 

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <TextView

        android:layout_width="410dp"
        android:layout_height="84dp"
        android:layout_margin="@android:dimen/app_icon_size"
        android:text="차량번호 인식"
        android:textAlignment="center"
        android:textSize="40dp"
        android:textStyle="bold"

        tools:layout_editor_absoluteX="0dp"
        tools:layout_editor_absoluteY="58dp" />

    <ImageButton
        android:id="@+id/btn_picture"
        android:layout_width="116dp"
        android:layout_height="87dp"
        app:srcCompat="@drawable/group_1"
        tools:layout_editor_absoluteX="147dp"
        tools:layout_editor_absoluteY="490dp" />

    <TextView

        android:layout_width="280dp"
        android:layout_height="90dp"
        android:text="차량번호 출력"
        tools:layout_editor_absoluteX="64dp"
        tools:layout_editor_absoluteY="590dp" />

    <ImageView
        android:id="@+id/imageView"
        android:layout_width="409dp"
        android:layout_height="340dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:srcCompat="@drawable/ic_launcher_background"
        tools:layout_editor_absoluteY="145dp" />

MainActivity.java

package com.example.carnumbersensing;

import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;

import android.content.Intent;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.provider.MediaStore;
import android.view.View;
import android.widget.Button;
import android.widget.ImageButton;
import android.widget.ImageView;

public class MainActivity extends AppCompatActivity {

    private ImageButton btn_picture;
    private ImageView imageView;
    private static final int REQUEST_IMAGE_CODE = 101;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        imageView =findViewById(R.id.imageView);

        btn_picture = findViewById(R.id.btn_picture);
        btn_picture.setOnClickListener(new View.OnClickListener(){
            @Override
            public void onClick(View v) {
                takePicture();
            }
        });
    }

    public void takePicture(){

        Intent imageIntent =new Intent(MediaStore.ACTION_IMAGE_CAPTURE);

        if(imageIntent.resolveActivity(getPackageManager()) != null){
            startActivityForResult(imageIntent, REQUEST_IMAGE_CODE);
        }
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data){
        super.onActivityResult(requestCode, resultCode, data);

        if(requestCode == REQUEST_IMAGE_CODE && resultCode == RESULT_OK){

            Bundle extras = data.getExtras();

            Bitmap imageBitmap = (Bitmap)extras.get("data");

            imageView.setImageBitmap(imageBitmap);
        }
    }
}

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools">

    <uses-feature
        android:name="android.hardware.camera"
        android:required="true"/>

    <application
        android:allowBackup="true"
        android:dataExtractionRules="@xml/data_extraction_rules"
        android:fullBackupContent="@xml/backup_rules"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/Theme.CarnumberSensing"
        tools:targetApi="31">
        <activity
            android:name=".MainActivity"
            android:exported="true">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>