摄像头无法打开闪光灯，出现空指针

[muyexiaogui]

public boolean toggleFlashLight() {
synchronized (syncOp) {
try {
Camera.Parameters parameters = camera.getParameters();
List flashModes = parameters.getSupportedFlashModes();
String flashMode = parameters.getFlashMode();
if (!Camera.Parameters.FLASH_MODE_TORCH.equals(flashMode)) {
if (flashModes.contains(Camera.Parameters.FLASH_MODE_TORCH)) {
parameters.setFlashMode(Camera.Parameters.FLASH_MODE_TORCH);
camera.setParameters(parameters);
return true;
}
} else if (!Camera.Parameters.FLASH_MODE_OFF.equals(flashMode)) {
if (flashModes.contains(Camera.Parameters.FLASH_MODE_OFF)) {
parameters.setFlashMode(Camera.Parameters.FLASH_MODE_OFF);
camera.setParameters(parameters);
return true;
}
}
} catch (Exception e) {
LogTools.d("toggleFlashLight,failed" + e.getMessage());
return false;
}
return false;
}
}