コード例 #1
0
  public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
    Log.i(TAG, "Surface Changed!");
    Manager.setPreviewSize(w, h);
    setOnTouchListener(
        new OnTouchListener() {
          private float x;
          private float y;
          private int tolerance = 50;

          @TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
          @Override
          public boolean onTouch(View v, MotionEvent event) {
            switch (event.getAction()) {
              case MotionEvent.ACTION_MOVE:
                return false; // This is important, if you return TRUE the action of swipe will not
                              // take place.
              case MotionEvent.ACTION_DOWN:
                x = event.getX();
                y = event.getY();
                float x_p = x / screenWidth;
                float y_p = y / screenHeight;
                int t_x = (int) (-1000 + x * 2000 / screenWidth);
                int t_y = (int) (-1000 + y * 2000 / screenHeight);
                Rect rect = new Rect();
                rect.left = t_x - 150;
                rect.top = t_y - 150;
                rect.right = t_x + 150;
                rect.bottom = t_y + 150;
                rect.left = rect.left < -1000 ? -1000 : rect.left;
                rect.top = rect.top < -1000 ? -1000 : rect.top;
                rect.right = rect.right > 1000 ? 1000 : rect.right;
                rect.bottom = rect.bottom > 1000 ? 1000 : rect.bottom;
                Log.i(TAG, "touch x:" + x + " y:" + y);
                Log.i(
                    TAG,
                    "touch rect:"
                        + rect.top
                        + ","
                        + rect.left
                        + ","
                        + rect.bottom
                        + ","
                        + rect.right);
                Camera.Area area = new Camera.Area(rect, 10);
                List<Camera.Area> list = new ArrayList<Camera.Area>();
                list.add(area);
                Manager.setMeteringAreas(list);
                break;
              case MotionEvent.ACTION_UP:
                break;
            }
            return false;
          }
        });
  }
コード例 #2
0
 public void surfaceDestroyed(SurfaceHolder holder) {
   Log.w(TAG, "Destroying surface!");
   Manager.stopRecord();
   Manager.stopPreview();
 }
コード例 #3
0
 public void surfaceCreated(SurfaceHolder holder) {
   Manager.setPreviewSurface(this);
 }