public static booleanisCameraUseable() {
boolean canUse =true;
Camera mCamera =null;
try{
mCamera = Camera.open();
// setParameters 是针对魅族MX5。MX5通过Camera.open()拿到的Camera对象不为null
Camera.Parameters mParameters = mCamera.getParameters();
mCamera.setParameters(mParameters);
}catch(Exception e) {
canUse =false;
}
if(mCamera !=null) {
mCamera.release();
}
return canUse;
}
Camera(intcameraId) {
interr = cameraInitNormal(cameraId);
if(checkInitErrors(err)) {
switch(err) {
case EACCESS:
throw newRuntimeException("Fail to connect to camera service");
case ENODEV:
throw newRuntimeException("Camera initialization failed");
default:
// Should never hit this.
throw newRuntimeException("Unknown camera error");
}
}
}
Intent intent =new Intent(Settings.ACTION_SETTINGS); context.startActivity(intent);
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