Skip to content

Handled the Crash:App crashing - RuntimeException: getParameters fail… #1002

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 1 commit into
base: master
Choose a base branch
from
Open

Handled the Crash:App crashing - RuntimeException: getParameters fail… #1002

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
194 changes: 101 additions & 93 deletions ZXing.Net.Mobile/Android/CameraAccess/CameraController.android.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@
using Android.Hardware;
using Android.OS;
using Android.Runtime;
using Android.Util;
using Android.Views;
using ApxLabs.FastAndroidCamera;
using Camera = Android.Hardware.Camera;
Expand Down Expand Up @@ -217,99 +218,106 @@ void OpenCamera()

void ApplyCameraSettings()
{
if (Camera == null)
{
OpenCamera();
}

// do nothing if something wrong with camera
if (Camera == null) return;

var parameters = Camera.GetParameters();
parameters.PreviewFormat = ImageFormatType.Nv21;

var supportedFocusModes = parameters.SupportedFocusModes;
if (scannerHost.ScanningOptions.DisableAutofocus)
parameters.FocusMode = Camera.Parameters.FocusModeFixed;
else if (Build.VERSION.SdkInt >= BuildVersionCodes.IceCreamSandwich &&
supportedFocusModes.Contains(Camera.Parameters.FocusModeContinuousPicture))
parameters.FocusMode = Camera.Parameters.FocusModeContinuousPicture;
else if (supportedFocusModes.Contains(Camera.Parameters.FocusModeContinuousVideo))
parameters.FocusMode = Camera.Parameters.FocusModeContinuousVideo;
else if (supportedFocusModes.Contains(Camera.Parameters.FocusModeAuto))
parameters.FocusMode = Camera.Parameters.FocusModeAuto;
else if (supportedFocusModes.Contains(Camera.Parameters.FocusModeFixed))
parameters.FocusMode = Camera.Parameters.FocusModeFixed;

var selectedFps = parameters.SupportedPreviewFpsRange.FirstOrDefault();
if (selectedFps != null)
{
// This will make sure we select a range with the highest maximum fps
// which still has the lowest minimum fps (Widest Range)
foreach (var fpsRange in parameters.SupportedPreviewFpsRange)
{
if (fpsRange[1] > selectedFps[1] || fpsRange[1] == selectedFps[1] && fpsRange[0] < selectedFps[0])
selectedFps = fpsRange;
}
parameters.SetPreviewFpsRange(selectedFps[0], selectedFps[1]);
}

CameraResolution resolution = null;
var supportedPreviewSizes = parameters.SupportedPreviewSizes;
if (supportedPreviewSizes != null)
{
var availableResolutions = supportedPreviewSizes.Select(sps => new CameraResolution
{
Width = sps.Width,
Height = sps.Height
});

// Try and get a desired resolution from the options selector
resolution = scannerHost.ScanningOptions.GetResolution(availableResolutions.ToList());

// If the user did not specify a resolution, let's try and find a suitable one
if (resolution == null)
{
foreach (var sps in supportedPreviewSizes)
{
if (sps.Width >= 640 && sps.Width <= 1000 && sps.Height >= 360 && sps.Height <= 1000)
{
resolution = new CameraResolution
{
Width = sps.Width,
Height = sps.Height
};
break;
}
}
}
}

// Google Glass requires this fix to display the camera output correctly
if (Build.Model.Contains("Glass"))
{
resolution = new CameraResolution
{
Width = 640,
Height = 360
};
// Glass requires 30fps
parameters.SetPreviewFpsRange(30000, 30000);
}

// Hopefully a resolution was selected at some point
if (resolution != null)
{
Android.Util.Log.Debug(MobileBarcodeScanner.TAG,
"Selected Resolution: " + resolution.Width + "x" + resolution.Height);

CameraResolution = resolution;
parameters.SetPreviewSize(resolution.Width, resolution.Height);
}

Camera.SetParameters(parameters);

SetCameraDisplayOrientation();
try
{
if (Camera == null)
{
OpenCamera();
}

// do nothing if something wrong with camera
if (Camera == null) return;

var parameters = Camera.GetParameters();
parameters.PreviewFormat = ImageFormatType.Nv21;

var supportedFocusModes = parameters.SupportedFocusModes;
if (scannerHost.ScanningOptions.DisableAutofocus)
parameters.FocusMode = Camera.Parameters.FocusModeFixed;
else if (Build.VERSION.SdkInt >= BuildVersionCodes.IceCreamSandwich &&
supportedFocusModes.Contains(Camera.Parameters.FocusModeContinuousPicture))
parameters.FocusMode = Camera.Parameters.FocusModeContinuousPicture;
else if (supportedFocusModes.Contains(Camera.Parameters.FocusModeContinuousVideo))
parameters.FocusMode = Camera.Parameters.FocusModeContinuousVideo;
else if (supportedFocusModes.Contains(Camera.Parameters.FocusModeAuto))
parameters.FocusMode = Camera.Parameters.FocusModeAuto;
else if (supportedFocusModes.Contains(Camera.Parameters.FocusModeFixed))
parameters.FocusMode = Camera.Parameters.FocusModeFixed;

var selectedFps = parameters.SupportedPreviewFpsRange.FirstOrDefault();
if (selectedFps != null)
{
// This will make sure we select a range with the highest maximum fps
// which still has the lowest minimum fps (Widest Range)
foreach (var fpsRange in parameters.SupportedPreviewFpsRange)
{
if (fpsRange[1] > selectedFps[1] || fpsRange[1] == selectedFps[1] && fpsRange[0] < selectedFps[0])
selectedFps = fpsRange;
}
parameters.SetPreviewFpsRange(selectedFps[0], selectedFps[1]);
}

CameraResolution resolution = null;
var supportedPreviewSizes = parameters.SupportedPreviewSizes;
if (supportedPreviewSizes != null)
{
var availableResolutions = supportedPreviewSizes.Select(sps => new CameraResolution
{
Width = sps.Width,
Height = sps.Height
});

// Try and get a desired resolution from the options selector
resolution = scannerHost.ScanningOptions.GetResolution(availableResolutions.ToList());

// If the user did not specify a resolution, let's try and find a suitable one
if (resolution == null)
{
foreach (var sps in supportedPreviewSizes)
{
if (sps.Width >= 640 && sps.Width <= 1000 && sps.Height >= 360 && sps.Height <= 1000)
{
resolution = new CameraResolution
{
Width = sps.Width,
Height = sps.Height
};
break;
}
}
}
}

// Google Glass requires this fix to display the camera output correctly
if (Build.Model.Contains("Glass"))
{
resolution = new CameraResolution
{
Width = 640,
Height = 360
};
// Glass requires 30fps
parameters.SetPreviewFpsRange(30000, 30000);
}

// Hopefully a resolution was selected at some point
if (resolution != null)
{
Log.Debug(MobileBarcodeScanner.TAG,
"Selected Resolution: " + resolution.Width + "x" + resolution.Height);

CameraResolution = resolution;
parameters.SetPreviewSize(resolution.Width, resolution.Height);
}

Camera.SetParameters(parameters);

SetCameraDisplayOrientation();
}
catch (Exception e)
{
//This is added to catch and eat get parameter failed exception from Camera module occuring when using the prism library
}
}

void AutoFocus(int x, int y, bool useCoordinates)
Expand Down