android自定义相机曝光,Android自定义照相机注意事项

1.设置预览方向myCamera.setDisplayOrientation(90)

2.设置照片方向parameters.setRotation(90);

3.设置预览显示和照片的分辨率// 设置照片分辨率

List previewSizeList = parameters

.getSupportedPreviewSizes();

int previewWidth = 0;

int previewHeight = 0;

for (int i = 0; i < previewSizeList.size() - 1; i++) {

previewWidth = previewSizeList.get(i).width;

previewHeight = previewSizeList.get(i).height;

int nextWidth = previewSizeList.get(i + 1).width;

int nextHeight = previewSizeList.get(i + 1).height;

if (previewWidth < nextWidth) {

previewWidth = nextWidth;

}

if (previewHeight < nextHeight) {

previewHeight = nextHeight;

}

}

previewWidth = previewWidth>previewSizeList.get(0).width?previewWidth:previewSizeList.get(0).width;

previewHeight = previewHeight>previewSizeList.get(0).height?previewHeight:previewSizeList.get(0).height;

parameters.setPreviewSize(previewWidth, previewHeight);

List supportedPictureSizesList = parameters

.getSupportedPictureSizes();

int supportedPictureWidth = 0;

int supportedPictureHeight = 0;

for (int i = 0; i < supportedPictureSizesList.size() - 1; i++) {

supportedPictureWidth = supportedPictureSizesList.get(i).width;

supportedPictureHeight = supportedPictureSizesList.get(i).height;

int nextWidth = supportedPictureSizesList.get(i + 1).width;

int nextHeight = supportedPictureSizesList.get(i + 1).height;

if (supportedPictureWidth < nextWidth) {

supportedPictureWidth = nextWidth;

}

if (supportedPictureHeight < nextHeight) {

supportedPictureHeight = nextHeight;

}

}

supportedPictureWidth = supportedPictureWidth>supportedPictureSizesList.get(0).width ?supportedPictureWidth:supportedPictureSizesList.get(0).width;

supportedPictureHeight = supportedPictureHeight>supportedPictureSizesList.get(0).height ?supportedPictureHeight:supportedPictureSizesList.get(0).height;

parameters

.setPictureSize(supportedPictureWidth, supportedPictureHeight);

原文：http://blog.youkuaiyun.com/android_farmer/article/details/24975819