Android & Flutter 05 Camera++

androidFlutter05Channel.java

package com.doyle.andtest;

import android.content.Intent;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.provider.MediaStore;
import androidx.annotation.NonNull;
import java.io.ByteArrayOutputStream;
import io.flutter.embedding.android.FlutterActivity;
import io.flutter.embedding.engine.FlutterEngine;
import io.flutter.plugin.common.MethodChannel;

public class MainActivity extends FlutterActivity {
    private static final String CHANNEL = "app.james.cam/cam";
    private static final String SEND_CHANNEL = "app.james.cam/cam2";
    MethodChannel sendChannel;
    @Override
    public void configureFlutterEngine(@NonNull FlutterEngine flutterEngine) {
        super.configureFlutterEngine(flutterEngine);
        new MethodChannel(flutterEngine.getDartExecutor().getBinaryMessenger(), CHANNEL)
            .setMethodCallHandler(
                ((call, result) -> {
                    if(call.method.equals("cam")){
                        dispatchTakePictureIntent();
                    }

                }));
        sendChannel = new MethodChannel(flutterEngine.getDartExecutor().getBinaryMessenger(), SEND_CHANNEL);

    }
//     04 영상
//    static final int REQUEST_IMAGE_CAPTURE = 1;
//    @SuppressLint("QueryPermissionsNeeded")
//    private void dispatchTakePictureIntent() {
//        Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
//        if (takePictureIntent.resolveActivity(getPackageManager()) != null) {
//            startActivityForResult(takePictureIntent, REQUEST_IMAGE_CAPTURE);
//        }
//    }

//    05 영상
    static final int REQUEST_IMAGE_CAPTURE = 1;
    private void dispatchTakePictureIntent() {
//        [ UI 및 제어는 플러터에서 만들기 때문에 주석
//        if(this.imageBitmap != null){
//            this.clear();
//            button.setText("촬영"); ]
//            return;
//        }
        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();
            Bitmap imageBitmap = (Bitmap) extras.get("data");
            ByteArrayOutputStream stream = new ByteArrayOutputStream() ;
            imageBitmap.compress( Bitmap.CompressFormat.PNG, 100, stream) ;
            byte[] byteArray = stream.toByteArray() ;

//            [ UI 및 제어는 플러터에서 만들기 때문에 주석
//            iv.setImageBitmap(imageBitmap);
//            button.setText("지우기"); ]
            sendChannel.invokeMethod("sendImg", byteArray);
        }
    }

//    void clear(){
//        [ UI 및 제어는 플러터에서 만들기 때문에 주석
//        iv.setImageBitmap(null); ]
//        this.imageBitmap = null;
//    }
}