Android自定义照相机注意事项

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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);

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