Android自訂照相機注意事項

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1.設定預覽方向myCamera.setDisplayOrientation(90)

2.設定照片方向parameters.setRotation(90);

3.設定預覽顯示和照片的解析度 

// 設定照片解析度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);