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HIDAPI is only reliable on Android 4.3 and newer 

Fixes https://github.com/libsdl-org/SDL/issues/4955
This commit is contained in:
Sam Lantinga 2021-11-26 07:15:46 -08:00
parent d713a68071
commit 30f04d63e6
1 changed files with 24 additions and 21 deletions
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45
src/hidapi/android/hid.cpp
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@ -1047,29 +1047,32 @@ 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 );
// HIDAPI doesn't work well with Android < 4.3
if (SDL_GetAndroidSDKVersion() >= 18) {
// 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;
if ( !g_HIDDeviceManagerCallbackHandler )
{
LOGV( "hid_init() without callback handler" );
return -1;
}
}
env->CallBooleanMethod( g_HIDDeviceManagerCallbackHandler, g_midHIDDeviceManagerInitialize, init_usb, init_bluetooth );
ExceptionCheck( env, NULL, "hid_init" );
// 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;