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<Camera.Size> 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<Camera.Size> 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);