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;
}
});
}
public void surfaceDestroyed(SurfaceHolder holder) {
Log.w(TAG, "Destroying surface!");
Manager.stopRecord();
Manager.stopPreview();
}
public void surfaceCreated(SurfaceHolder holder) {
Manager.setPreviewSurface(this);
}