Android 技术小结（009）—— 设置相机拍照尺寸为最小支持尺寸

Android 技术总结（009）—— 设置相机拍照尺寸为最小支持尺寸

        // 获取屏幕信息
        WindowManager wm = (WindowManager) getSystemService(Context.WINDOW_SERVICE);
        Display display = wm.getDefaultDisplay();
        // 初始化相机
        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());
        }