[java]
// 獲取屏幕信息
WindowManager wm = (WindowManager) getSystemService(Context.WINDOW_SERVICE);
Display display = wm.getDefaultDisplay();
// 初始化相機
Camera camera = Camera.open();
Camera.Parameters parameters = camera.getParameters();
parameters.setPreviewSize(display.getWidth(), display.getHeight());
List<Camera.Size> pszize = parameters.getSupportedPictureSizes();
if (null != pszize && 0 < pszize.size()) {
int height[] = new int[pszize.size()];
Map<Integer, Integer> map = new HashMap<Integer, Integer>();
for (int i = 0; i < pszize.size(); i++) {
Camera.Size size = (Camera.Size) pszize.get(i);
int sizeheight = size.height;
int sizewidth = size.width;
height[i] = sizeheight;
map.put(sizeheight, sizewidth);
}
Arrays.sort(height);
parameters.setPictureSize(map.get(height[0]), height[0]);
} else {
parameters.setPictureSize(display.getWidth(), display.getHeight());
}