Android 自定义相机拍照时,无法进行回调onPictureTaken()函数

自定义相机拍照时,无法进行回调onPictureTaken()函数
错误原因:我用的是PDA ,在parameters.setPreviewSize()不能设置最大(部分机型没问题)
需要设置成屏幕近似分辨率
参考网址:
设置camera分辨率

   /**
     * 设置相机预览的宽高
     * @param parametes
     */
    public void setPreviewSize(Camera.Parameters parametes) {
        List<Camera.Size> localSizes = parametes.getSupportedPreviewSizes();
        Camera.Size biggestSize = null;
        Camera.Size fitSize = null;// 优先选屏幕分辨率
        Camera.Size targetSize = null;// 没有屏幕分辨率就取跟屏幕分辨率相近(大)的size
        Camera.Size targetSiz2 = null;// 没有屏幕分辨率就取跟屏幕分辨率相近(小)的size
        if(localSizes != null) {
            int cameraSizeLength = localSizes.size();
            for (int n = 0; n < cameraSizeLength; n++) {
                Camera.Size size = localSizes.get(n);
                if(biggestSize == null ||
                        (size.width >= biggestSize.width && size.height >= biggestSize.height)) {
                    biggestSize = size;
                }

                if(size.width == ScreenUtils.getAppScreenHeight()
                        && size.height == ScreenUtils.getAppScreenWidth()) {
                    fitSize = size;
                } else if (size.width == ScreenUtils.getAppScreenHeight()
                        || size.height == ScreenUtils.getAppScreenWidth()) {
                    if(targetSize == null) {
                        targetSize = size;
                    } else if (size.width < ScreenUtils.getAppScreenHeight()
                            || size.height <  ScreenUtils.getAppScreenWidth()) {
                        targetSiz2 = size;
                    }
                }
            }

            if(fitSize == null) {
                fitSize = targetSize;
            }

            if(fitSize == null) {
                fitSize = targetSiz2;
            }

            if(fitSize == null) {
                fitSize = biggestSize;
            }
            parametes.setPreviewSize(fitSize.width, fitSize.height);
        }

    }


    /** 输出的照片为最高像素 */
    public void setPictureSize(Camera.Parameters parametes) {
        List<Camera.Size> localSizes = parametes.getSupportedPictureSizes();
        Camera.Size biggestSize = null;
        Camera.Size fitSize = null;// 优先选预览界面的尺寸
        Camera.Size previewSize = parametes.getPreviewSize();
        float previewSizeScale = 0;
        if(previewSize != null) {
            previewSizeScale = previewSize.width / (float) previewSize.height;
        }

        if(localSizes != null) {
            int cameraSizeLength = localSizes.size();
            for (int n = 0; n < cameraSizeLength; n++) {
                Camera.Size size = localSizes.get(n);
                if(biggestSize == null) {
                    biggestSize = size;
                } else if(size.width >= biggestSize.width && size.height >= biggestSize.height) {
                    biggestSize = size;
                }

                // 选出与预览界面等比的最高分辨率
                if(previewSizeScale > 0
                        && size.width >= previewSize.width && size.height >= previewSize.height) {
                    float sizeScale = size.width / (float) size.height;
                    if(sizeScale == previewSizeScale) {
                        if(fitSize == null) {
                            fitSize = size;
                        } else if(size.width >= fitSize.width && size.height >= fitSize.height) {
                            fitSize = size;
                        }
                    }
                }
            }

            // 如果没有选出fitSize, 那么最大的Size就是FitSize
            if(fitSize == null) {
                fitSize = biggestSize;
            }
            parametes.setPictureSize(fitSize.width, fitSize.height);
        }
    }

最后在设置下就可以了

      Camera.Parameters parameters = mCamera.getParameters();// 获取mCamera的参数对象
            parameters.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE);
            mCamera.autoFocus(new Camera.AutoFocusCallback() {
                @Override
                public void onAutoFocus(boolean b, Camera camera) {
                    if (firstTime == 0 || System.currentTimeMillis() - firstTime > 3000) {
                        isAutoFocus = b;
                    }
                }
            });
            // 代码在上面
            setPreviewSize(parameters);
            setPictureSize(parameters);
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