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Fixed exception accessing Bluetooth devices on Android 12 

Since accessing Bluetooth prompts the user for permission on both Android and iOS, and we only need it for Steam Controller support, we'll leave it off by default. You can enable it by setting the hint SDL_HINT_JOYSTICK_HIDAPI_STEAM to "1" before calling SDL_Init()

Fixes https://github.com/libsdl-org/SDL/issues/4952
This commit is contained in:
Sam Lantinga 2021-11-15 16:52:56 -08:00
parent be5b4d980d
commit 66058bbbd5
17 changed files with 145 additions and 47 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
WhatsNew.txt
View File

@ -11,9 +11,11 @@ Linux:
Android:
* Added support for audio output and capture using AAudio on Android 8.1 and newer
* Steam Controller support is disabled by default, and can be enabled by setting the hint SDL_HINT_JOYSTICK_HIDAPI_STEAM to "1" before calling SDL_Init()
iOS:
* Added documentation that the UIApplicationSupportsIndirectInputEvents key must be set to true in your application's Info.plist in order to get real Bluetooth mouse events.
* Steam Controller support is disabled by default, and can be enabled by setting the hint SDL_HINT_JOYSTICK_HIDAPI_STEAM to "1" before calling SDL_Init()
---------------------------------------------------------------------------

8
android-project/app/src/main/AndroidManifest.xml
View File

@ -39,9 +39,13 @@
android:required="false" /> -->
<!-- Allow downloading to the external storage on Android 5.1 and older -->
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" android:maxSdkVersion="22" />
<!-- <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" android:maxSdkVersion="22" /> -->
<!-- Allow access to Bluetooth devices -->
<uses-permission android:name="android.permission.BLUETOOTH" />
<!-- Currently this is just for Steam Controller support and requires setting SDL_HINT_JOYSTICK_HIDAPI_STEAM -->
<!-- <uses-permission android:name="android.permission.BLUETOOTH" android:maxSdkVersion="30" /> -->
<!-- <uses-permission android:name="android.permission.BLUETOOTH_CONNECT" /> -->
<!-- Allow access to the vibrator -->
<uses-permission android:name="android.permission.VIBRATE" />

18
android-project/app/src/main/java/org/libsdl/app/HIDDeviceManager.java
View File

@ -119,9 +119,6 @@ public class HIDDeviceManager {
{
mNextDeviceId = mSharedPreferences.getInt("next_device_id", 0);
}
initializeUSB();
initializeBluetooth();
}
public Context getContext() {
@ -349,7 +346,8 @@ public class HIDDeviceManager {
private void initializeBluetooth() {
Log.d(TAG, "Initializing Bluetooth");
if (mContext.getPackageManager().checkPermission(android.Manifest.permission.BLUETOOTH, mContext.getPackageName()) != PackageManager.PERMISSION_GRANTED) {
if (Build.VERSION.SDK_INT <= 30 &&
mContext.getPackageManager().checkPermission(android.Manifest.permission.BLUETOOTH, mContext.getPackageName()) != PackageManager.PERMISSION_GRANTED) {
Log.d(TAG, "Couldn't initialize Bluetooth, missing android.permission.BLUETOOTH");
return;
}
@ -541,6 +539,18 @@ public class HIDDeviceManager {
////////// JNI interface functions
//////////////////////////////////////////////////////////////////////////////////////////////////////
public boolean initialize(boolean usb, boolean bluetooth) {
Log.v(TAG, "initialize(" + usb + ", " + bluetooth + ")");
if (usb) {
initializeUSB();
}
if (bluetooth) {
initializeBluetooth();
}
return true;
}
public boolean openDevice(int deviceID) {
Log.v(TAG, "openDevice deviceID=" + deviceID);
HIDDevice device = getDevice(deviceID);

5
include/SDL_hints.h
View File

@ -720,9 +720,10 @@ extern "C" {
*
* This variable can be set to the following values:
* "0" - HIDAPI driver is not used
* "1" - HIDAPI driver is used
* "1" - HIDAPI driver is used for Steam Controllers, which requires Bluetooth access
* and may prompt the user for permission on iOS and Android.
*
* The default is the value of SDL_HINT_JOYSTICK_HIDAPI
* The default is "0"
*/
#define SDL_HINT_JOYSTICK_HIDAPI_STEAM "SDL_JOYSTICK_HIDAPI_STEAM"

94
src/hidapi/android/hid.cpp
View File

@ -18,12 +18,17 @@
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "../../SDL_internal.h"
// Purpose: A wrapper implementing "HID" API for Android
//
// This layer glues the hidapi API to Android's USB and BLE stack.
#if !SDL_HIDAPI_DISABLED
#include "SDL_hints.h"
#include "../../core/android/SDL_android.h"
#define hid_init PLATFORM_hid_init
#define hid_exit PLATFORM_hid_exit
#define hid_enumerate PLATFORM_hid_enumerate
@ -371,17 +376,49 @@ static void FreeHIDDeviceInfo( hid_device_info *pInfo )
static jclass g_HIDDeviceManagerCallbackClass;
static jobject g_HIDDeviceManagerCallbackHandler;
static jmethodID g_midHIDDeviceManagerInitialize;
static jmethodID g_midHIDDeviceManagerOpen;
static jmethodID g_midHIDDeviceManagerSendOutputReport;
static jmethodID g_midHIDDeviceManagerSendFeatureReport;
static jmethodID g_midHIDDeviceManagerGetFeatureReport;
static jmethodID g_midHIDDeviceManagerClose;
static bool g_initialized = false;
static uint64_t get_timespec_ms( const struct timespec &ts )
{
return (uint64_t)ts.tv_sec * 1000 + ts.tv_nsec / 1000000;
}
static void ExceptionCheck( JNIEnv *env, const char *pszClassName, const char *pszMethodName )
{
if ( env->ExceptionCheck() )
{
// Get our exception
jthrowable jExcept = env->ExceptionOccurred();
// Clear the exception so we can call JNI again
env->ExceptionClear();
// Get our exception message
jclass jExceptClass = env->GetObjectClass( jExcept );
jmethodID jMessageMethod = env->GetMethodID( jExceptClass, "getMessage", "()Ljava/lang/String;" );
jstring jMessage = (jstring)( env->CallObjectMethod( jExcept, jMessageMethod ) );
const char *pszMessage = env->GetStringUTFChars( jMessage, NULL );
// ...and log it.
LOGE( "%s%s%s threw an exception: %s",
pszClassName ? pszClassName : "",
pszClassName ? "::" : "",
pszMethodName, pszMessage );
// Cleanup
env->ReleaseStringUTFChars( jMessage, pszMessage );
env->DeleteLocalRef( jMessage );
env->DeleteLocalRef( jExceptClass );
env->DeleteLocalRef( jExcept );
}
}
class CHIDDevice
{
public:
@ -441,29 +478,7 @@ public:
void ExceptionCheck( JNIEnv *env, const char *pszMethodName )
{
if ( env->ExceptionCheck() )
{
// Get our exception
jthrowable jExcept = env->ExceptionOccurred();
// Clear the exception so we can call JNI again
env->ExceptionClear();
// Get our exception message
jclass jExceptClass = env->GetObjectClass( jExcept );
jmethodID jMessageMethod = env->GetMethodID( jExceptClass, "getMessage", "()Ljava/lang/String;" );
jstring jMessage = (jstring)( env->CallObjectMethod( jExcept, jMessageMethod ) );
const char *pszMessage = env->GetStringUTFChars( jMessage, NULL );
// ...and log it.
LOGE( "CHIDDevice::%s threw an exception: %s", pszMethodName, pszMessage );
// Cleanup
env->ReleaseStringUTFChars( jMessage, pszMessage );
env->DeleteLocalRef( jMessage );
env->DeleteLocalRef( jExceptClass );
env->DeleteLocalRef( jExcept );
}
::ExceptionCheck( env, "CHIDDevice", pszMethodName );
}
bool BOpen()
@ -852,6 +867,11 @@ JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceRegisterCallba
if ( objClass )
{
g_HIDDeviceManagerCallbackClass = reinterpret_cast< jclass >( env->NewGlobalRef( objClass ) );
g_midHIDDeviceManagerInitialize = env->GetMethodID( g_HIDDeviceManagerCallbackClass, "initialize", "(ZZ)Z" );
if ( !g_midHIDDeviceManagerInitialize )
{
__android_log_print(ANDROID_LOG_ERROR, TAG, "HIDDeviceRegisterCallback: callback class missing initialize" );
}
g_midHIDDeviceManagerOpen = env->GetMethodID( g_HIDDeviceManagerCallbackClass, "openDevice", "(I)Z" );
if ( !g_midHIDDeviceManagerOpen )
{
@ -891,6 +911,7 @@ JNIEXPORT void JNICALL HID_DEVICE_MANAGER_JAVA_INTERFACE(HIDDeviceReleaseCallbac
g_HIDDeviceManagerCallbackClass = NULL;
env->DeleteGlobalRef( g_HIDDeviceManagerCallbackHandler );
g_HIDDeviceManagerCallbackHandler = NULL;
g_initialized = false;
}
}
@ -1025,6 +1046,33 @@ extern "C"
int hid_init(void)
{
if ( !g_initialized )
{
// Make sure thread is attached to JVM/env
JNIEnv *env;
g_JVM->AttachCurrentThread( &env, NULL );
pthread_setspecific( g_ThreadKey, (void*)env );
if ( !g_HIDDeviceManagerCallbackHandler )
{
LOGV( "hid_init() without callback handler" );
return -1;
}
// Bluetooth is currently only used for Steam Controllers, so check that hint
// before initializing Bluetooth, which will prompt the user for permission.
bool init_usb = true;
bool init_bluetooth = false;
if (SDL_GetHintBoolean(SDL_HINT_JOYSTICK_HIDAPI_STEAM, SDL_FALSE)) {
if (SDL_GetAndroidSDKVersion() < 31 ||
Android_JNI_RequestPermission("android.permission.BLUETOOTH_CONNECT")) {
init_bluetooth = true;
}
}
env->CallBooleanMethod( g_HIDDeviceManagerCallbackHandler, g_midHIDDeviceManagerInitialize, init_usb, init_bluetooth );
ExceptionCheck( env, NULL, "hid_init" );
g_initialized = true; // Regardless of result, so it's only called once
}
return 0;
}

54
src/hidapi/ios/hid.m
View File

@ -22,6 +22,8 @@
#if !SDL_HIDAPI_DISABLED
#include "SDL_hints.h"
#define hid_init PLATFORM_hid_init
#define hid_exit PLATFORM_hid_exit
#define hid_enumerate PLATFORM_hid_enumerate
@ -227,24 +229,29 @@ typedef enum
sharedInstance = [HIDBLEManager new];
sharedInstance.nPendingScans = 0;
sharedInstance.nPendingPairs = 0;
[[NSNotificationCenter defaultCenter] addObserver:sharedInstance selector:@selector(appWillResignActiveNotification:) name: UIApplicationWillResignActiveNotification object:nil];
[[NSNotificationCenter defaultCenter] addObserver:sharedInstance selector:@selector(appDidBecomeActiveNotification:) name:UIApplicationDidBecomeActiveNotification object:nil];
// receive reports on a high-priority serial-queue. optionally put writes on the serial queue to avoid logical
// race conditions talking to the controller from multiple threads, although BLE fragmentation/assembly means
// that we can still screw this up.
// most importantly we need to consume reports at a high priority to avoid the OS thinking we aren't really
// listening to the BLE device, as iOS on slower devices may stop delivery of packets to the app WITHOUT ACTUALLY
// DISCONNECTING FROM THE DEVICE if we don't react quickly enough to their delivery.
// see also the error-handling states in the peripheral delegate to re-open the device if it gets closed
sharedInstance.bleSerialQueue = dispatch_queue_create( "com.valvesoftware.steamcontroller.ble", DISPATCH_QUEUE_SERIAL );
dispatch_set_target_queue( sharedInstance.bleSerialQueue, dispatch_get_global_queue( DISPATCH_QUEUE_PRIORITY_HIGH, 0 ) );
// Bluetooth is currently only used for Steam Controllers, so check that hint
// before initializing Bluetooth, which will prompt the user for permission.
if ( SDL_GetHintBoolean( SDL_HINT_JOYSTICK_HIDAPI_STEAM, SDL_FALSE ) )
{
[[NSNotificationCenter defaultCenter] addObserver:sharedInstance selector:@selector(appWillResignActiveNotification:) name: UIApplicationWillResignActiveNotification object:nil];
[[NSNotificationCenter defaultCenter] addObserver:sharedInstance selector:@selector(appDidBecomeActiveNotification:) name:UIApplicationDidBecomeActiveNotification object:nil];
// creating a CBCentralManager will always trigger a future centralManagerDidUpdateState:
// where any scanning gets started or connecting to existing peripherals happens, it's never already in a
// powered-on state for a newly launched application.
sharedInstance.centralManager = [[CBCentralManager alloc] initWithDelegate:sharedInstance queue:sharedInstance.bleSerialQueue];
// receive reports on a high-priority serial-queue. optionally put writes on the serial queue to avoid logical
// race conditions talking to the controller from multiple threads, although BLE fragmentation/assembly means
// that we can still screw this up.
// most importantly we need to consume reports at a high priority to avoid the OS thinking we aren't really
// listening to the BLE device, as iOS on slower devices may stop delivery of packets to the app WITHOUT ACTUALLY
// DISCONNECTING FROM THE DEVICE if we don't react quickly enough to their delivery.
// see also the error-handling states in the peripheral delegate to re-open the device if it gets closed
sharedInstance.bleSerialQueue = dispatch_queue_create( "com.valvesoftware.steamcontroller.ble", DISPATCH_QUEUE_SERIAL );
dispatch_set_target_queue( sharedInstance.bleSerialQueue, dispatch_get_global_queue( DISPATCH_QUEUE_PRIORITY_HIGH, 0 ) );
// creating a CBCentralManager will always trigger a future centralManagerDidUpdateState:
// where any scanning gets started or connecting to existing peripherals happens, it's never already in a
// powered-on state for a newly launched application.
sharedInstance.centralManager = [[CBCentralManager alloc] initWithDelegate:sharedInstance queue:sharedInstance.bleSerialQueue];
}
sharedInstance.deviceMap = [[NSMapTable alloc] initWithKeyOptions:NSMapTableWeakMemory valueOptions:NSMapTableStrongMemory capacity:4];
});
return sharedInstance;
@ -284,6 +291,11 @@ typedef enum
static uint64_t s_unLastUpdateTick = 0;
static mach_timebase_info_data_t s_timebase_info;
if ( self.centralManager == nil )
{
return 0;
}
if (s_timebase_info.denom == 0)
{
mach_timebase_info( &s_timebase_info );
@ -329,6 +341,11 @@ typedef enum
// manual API for folks to start & stop scanning
- (void)startScan:(int)duration
{
if ( self.centralManager == nil )
{
return;
}
NSLog( @"BLE: requesting scan for %d seconds", duration );
@synchronized (self)
{
@ -348,6 +365,11 @@ typedef enum
- (void)stopScan
{
if ( self.centralManager == nil )
{
return;
}
NSLog( @"BLE: stopping scan" );
@synchronized (self)
{

1
src/joystick/hidapi/SDL_hidapi_gamecube.c
View File

@ -539,6 +539,7 @@ SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverGameCube =
{
SDL_HINT_JOYSTICK_HIDAPI_GAMECUBE,
SDL_TRUE,
SDL_TRUE,
HIDAPI_DriverGameCube_IsSupportedDevice,
HIDAPI_DriverGameCube_GetDeviceName,
HIDAPI_DriverGameCube_InitDevice,

1
src/joystick/hidapi/SDL_hidapi_luna.c
View File

@ -438,6 +438,7 @@ SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverLuna =
{
SDL_HINT_JOYSTICK_HIDAPI_LUNA,
SDL_TRUE,
SDL_TRUE,
HIDAPI_DriverLuna_IsSupportedDevice,
HIDAPI_DriverLuna_GetDeviceName,
HIDAPI_DriverLuna_InitDevice,

1
src/joystick/hidapi/SDL_hidapi_ps4.c
View File

@ -933,6 +933,7 @@ SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverPS4 =
{
SDL_HINT_JOYSTICK_HIDAPI_PS4,
SDL_TRUE,
SDL_TRUE,
HIDAPI_DriverPS4_IsSupportedDevice,
HIDAPI_DriverPS4_GetDeviceName,
HIDAPI_DriverPS4_InitDevice,

1
src/joystick/hidapi/SDL_hidapi_ps5.c
View File

@ -1096,6 +1096,7 @@ SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverPS5 =
{
SDL_HINT_JOYSTICK_HIDAPI_PS5,
SDL_TRUE,
SDL_TRUE,
HIDAPI_DriverPS5_IsSupportedDevice,
HIDAPI_DriverPS5_GetDeviceName,
HIDAPI_DriverPS5_InitDevice,

1
src/joystick/hidapi/SDL_hidapi_stadia.c
View File

@ -306,6 +306,7 @@ SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverStadia =
{
SDL_HINT_JOYSTICK_HIDAPI_STADIA,
SDL_TRUE,
SDL_TRUE,
HIDAPI_DriverStadia_IsSupportedDevice,
HIDAPI_DriverStadia_GetDeviceName,
HIDAPI_DriverStadia_InitDevice,

1
src/joystick/hidapi/SDL_hidapi_steam.c
View File

@ -1284,6 +1284,7 @@ SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverSteam =
{
SDL_HINT_JOYSTICK_HIDAPI_STEAM,
SDL_TRUE,
SDL_FALSE,
HIDAPI_DriverSteam_IsSupportedDevice,
HIDAPI_DriverSteam_GetDeviceName,
HIDAPI_DriverSteam_InitDevice,

1
src/joystick/hidapi/SDL_hidapi_switch.c
View File

@ -1555,6 +1555,7 @@ SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverSwitch =
{
SDL_HINT_JOYSTICK_HIDAPI_SWITCH,
SDL_TRUE,
SDL_TRUE,
HIDAPI_DriverSwitch_IsSupportedDevice,
HIDAPI_DriverSwitch_GetDeviceName,
HIDAPI_DriverSwitch_InitDevice,

1
src/joystick/hidapi/SDL_hidapi_xbox360.c
View File

@ -337,6 +337,7 @@ SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverXbox360 =
{
SDL_HINT_JOYSTICK_HIDAPI_XBOX,
SDL_TRUE,
SDL_TRUE,
HIDAPI_DriverXbox360_IsSupportedDevice,
HIDAPI_DriverXbox360_GetDeviceName,
HIDAPI_DriverXbox360_InitDevice,

1
src/joystick/hidapi/SDL_hidapi_xbox360w.c
View File

@ -334,6 +334,7 @@ SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverXbox360W =
{
SDL_HINT_JOYSTICK_HIDAPI_XBOX,
SDL_TRUE,
SDL_TRUE,
HIDAPI_DriverXbox360W_IsSupportedDevice,
HIDAPI_DriverXbox360W_GetDeviceName,
HIDAPI_DriverXbox360W_InitDevice,

1
src/joystick/hidapi/SDL_hidapi_xboxone.c
View File

@ -1127,6 +1127,7 @@ SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverXboxOne =
{
SDL_HINT_JOYSTICK_HIDAPI_XBOX,
SDL_TRUE,
SDL_TRUE,
HIDAPI_DriverXboxOne_IsSupportedDevice,
HIDAPI_DriverXboxOne_GetDeviceName,
HIDAPI_DriverXboxOne_InitDevice,

1
src/joystick/hidapi/SDL_hidapijoystick_c.h
View File

@ -88,6 +88,7 @@ typedef struct _SDL_HIDAPI_DeviceDriver
{
const char *hint;
SDL_bool enabled;
SDL_bool enabled_default;
SDL_bool (*IsSupportedDevice)(const char *name, SDL_GameControllerType type, Uint16 vendor_id, Uint16 product_id, Uint16 version, int interface_number, int interface_class, int interface_subclass, int interface_protocol);
const char *(*GetDeviceName)(Uint16 vendor_id, Uint16 product_id);
SDL_bool (*InitDevice)(SDL_HIDAPI_Device *device);