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第一步:修改AndroidManifest清单文件,删除AndroidManifest中CaptureActivity的screenOrientation属性:
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第二步:删除CaptureActivity中把onResume方法中的无用代码:
// if (prefs.getBoolean(PreferencesActivity.KEY_DISABLE_AUTO_ORIENTATION, true)) { // setRequestedOrientation(getCurrentOrientation()); // } else { // setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE); // }
第三步:在CaptureActivity中把onCreate方法结尾处添加代码:
if (getResources().getConfiguration().orientation == Configuration.ORIENTATION_PORTRAIT) { setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT); } else { setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE); }
if (getResources().getConfiguration().orientation == Configuration.ORIENTATION_PORTRAIT) { setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT); } else { setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE); }
第四步:在CameraConfigurationManager的setDesiredCameraParameters方法中添加代码:
camera.setDisplayOrientation(90);//add 这句代码作用是旋转镜头90度,使相机预览方向正确显示 camera.setParameters(parameters);
camera.setDisplayOrientation(90);//add 这句代码作用是旋转镜头90度,使相机预览方向正确显示 camera.setParameters(parameters);
第五步:修改CameraManager中getFramingRectInPreview方法:
// rect.left = rect.left * cameraResolution.x / screenResolution.x; // rect.right = rect.right * cameraResolution.x / screenResolution.x; // rect.top = rect.top * cameraResolution.y / screenResolution.y; // rect.bottom = rect.bottom * cameraResolution.y / screenResolution.y; rect.left = rect.left * cameraResolution.y / screenResolution.x; rect.right = rect.right * cameraResolution.y / screenResolution.x; rect.top = rect.top * cameraResolution.x / screenResolution.y; rect.bottom = rect.bottom * cameraResolution.x / screenResolution.y;
// rect.left = rect.left * cameraResolution.x / screenResolution.x; // rect.right = rect.right * cameraResolution.x / screenResolution.x; // rect.top = rect.top * cameraResolution.y / screenResolution.y; // rect.bottom = rect.bottom * cameraResolution.y / screenResolution.y; rect.left = rect.left * cameraResolution.y / screenResolution.x; rect.right = rect.right * cameraResolution.y / screenResolution.x; rect.top = rect.top * cameraResolution.x / screenResolution.y; rect.bottom = rect.bottom * cameraResolution.x / screenResolution.y;
第六步:修改DecodeHandler中的decode(byte[] data, int width, int height)方法:
在
PlanarYUVLuminanceSource source = activity.getCameraManager().buildLuminanceSource(data, width, height);
PlanarYUVLuminanceSource source = activity.getCameraManager().buildLuminanceSource(data, width, height);
前添加代码
byte[] rotatedData = new byte[data.length]; for (int y = 0; y < height; y++) { for (int x = 0; x < width; x++) rotatedData[x * height + height - y - 1] = data[x + y * width]; } int tmp = width; width = height; height = tmp; data = rotatedData;
byte[] rotatedData = new byte[data.length]; for (int y = 0; y < height; y++) { for (int x = 0; x < width; x++) rotatedData[x * height + height - y - 1] = data[x + y * width]; } int tmp = width; width = height; height = tmp; data = rotatedData;