androidカメラアプリ
Manifestに以下の行を追加
<uses-permission android:name="android.permission.CAMERA"/>
ここはほぼ初期状態。
public class camera extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(new CameraView(this)); } }
カメラプレビューを記述
public class CameraView extends SurfaceView implements SurfaceHolder.Callback{ private SurfaceHolder holder; private Camera camera; public CameraView(Context context) { super(context); holder = getHolder(); holder.addCallback(this); holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); } public void surfaceCreated(SurfaceHolder holder){ camera = Camera.open(); try{ camera.setPreviewDisplay(holder); }catch(IOException e){ e.printStackTrace(); } } public void surfaceDestroyed(SurfaceHolder holder){ camera.stopPreview(); camera = null; } @Override public void surfaceChanged(SurfaceHolder holder, int format, int width,int height) { Camera.Parameters parameters = camera.getParameters(); parameters.setPreviewSize(width, height); camera.setParameters(parameters); camera.startPreview(); } }