Take a photo with a camera app and get the thumbnail

Explains how to take a photo and get the thumbnail of it in an easy way.

기기의 카메라 앱을 실행 시키고 사진을 찍어 썸네일을 가져 온다.

<AndroidManifest.xml>

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

<MainActivity.java>

public class MainActivity extends AppCompatActivity {
 
    static final int REQUEST_IMAGE_CAPTURE = 1001;
 
    ImageView imageView;
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
 
        imageView = findViewById(R.id.imageView);
        Button button = findViewById(R.id.button);
 
        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
                if (intent.resolveActivity(getPackageManager()) != null) {
                    startActivityForResult(intent, REQUEST_IMAGE_CAPTURE);
                }
            }
        });
    }
 
    @Override
    protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
        if (requestCode == REQUEST_IMAGE_CAPTURE && resultCode == RESULT_OK) {
            Bundle extras = data.getExtras();
            Bitmap bitmap = (Bitmap)extras.get("data");
            imageView.setImageBitmap(bitmap);
        }
    }
}

Run the app and click CAMERA button.

Take a picture.

Get the thumbnail.