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Fixed bug 3753 - Android : load methodID during initialization

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Sylvain

Small patch to load some java methodID at start-up (and avoid a potential crash at run-time).
This commit is contained in:
Sam Lantinga 2017-08-14 14:14:45 -07:00
parent 1da2c1bb36
commit e9d4e31044
1 changed files with 81 additions and 100 deletions
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119
src/core/android/SDL_android.c
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@ -180,6 +180,14 @@ static jmethodID midCaptureClose;
static jmethodID midPollInputDevices;
static jmethodID midPollHapticDevices;
static jmethodID midHapticRun;
static jmethodID midSetActivityTitle;
static jmethodID midSetOrientation;
static jmethodID midGetContext;
static jmethodID midInputGetInputDeviceIds;
static jmethodID midSendMessage;
static jmethodID midShowTextInput;
static jmethodID midIsScreenKeyboardShown;
static jmethodID midGetSystemServiceFromUiThread;
/* static fields */
static jfieldID fidSeparateMouseAndTouch;
@ -247,13 +255,31 @@ JNIEXPORT void JNICALL SDL_Android_Init(JNIEnv* mEnv, jclass cls)
"pollHapticDevices", "()V");
midHapticRun = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"hapticRun", "(II)V");
midSetActivityTitle = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"setActivityTitle","(Ljava/lang/String;)Z");
midSetOrientation = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"setOrientation","(IIZLjava/lang/String;)V");
midGetContext = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"getContext","()Landroid/content/Context;");
midInputGetInputDeviceIds = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"inputGetInputDeviceIds", "(I)[I");
midSendMessage = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"sendMessage", "(II)Z");
midShowTextInput = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"showTextInput", "(IIII)Z");
midIsScreenKeyboardShown = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"isScreenKeyboardShown","()Z");
midGetSystemServiceFromUiThread = (*mEnv)->GetMethodID(mEnv, mActivityClass,
"getSystemServiceFromUiThread", "(Ljava/lang/String;)Ljava/lang/Object;");
bHasNewData = SDL_FALSE;
if (!midGetNativeSurface ||
!midAudioOpen || !midAudioWriteShortBuffer || !midAudioWriteByteBuffer || !midAudioClose ||
!midCaptureOpen || !midCaptureReadShortBuffer || !midCaptureReadByteBuffer || !midCaptureClose ||
!midPollInputDevices || !midPollHapticDevices || !midHapticRun) {
!midPollInputDevices || !midPollHapticDevices || !midHapticRun ||
!midSetActivityTitle || !midSetOrientation || !midGetContext || !midInputGetInputDeviceIds ||
!midSendMessage || !midShowTextInput || !midIsScreenKeyboardShown || !midGetSystemServiceFromUiThread) {
__android_log_print(ANDROID_LOG_WARN, "SDL", "SDL: Couldn't locate Java callbacks, check that they're named and typed correctly");
}
@ -626,26 +652,20 @@ ANativeWindow* Android_JNI_GetNativeWindow(void)
void Android_JNI_SetActivityTitle(const char *title)
{
jmethodID mid;
JNIEnv *mEnv = Android_JNI_GetEnv();
mid = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,"setActivityTitle","(Ljava/lang/String;)Z");
if (mid) {
jstring jtitle = (jstring)((*mEnv)->NewStringUTF(mEnv, title));
(*mEnv)->CallStaticBooleanMethod(mEnv, mActivityClass, mid, jtitle);
(*mEnv)->CallStaticBooleanMethod(mEnv, mActivityClass, midSetActivityTitle, jtitle);
(*mEnv)->DeleteLocalRef(mEnv, jtitle);
}
}
void Android_JNI_SetOrientation(int w, int h, int resizable, const char *hint)
{
jmethodID mid;
JNIEnv *mEnv = Android_JNI_GetEnv();
mid = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,"setOrientation","(IIZLjava/lang/String;)V");
if (mid) {
jstring jhint = (jstring)((*mEnv)->NewStringUTF(mEnv, (hint ? hint : "")));
(*mEnv)->CallStaticVoidMethod(mEnv, mActivityClass, mid, w, h, (resizable? 1 : 0), jhint);
(*mEnv)->CallStaticVoidMethod(mEnv, mActivityClass, midSetOrientation, w, h, (resizable? 1 : 0), jhint);
(*mEnv)->DeleteLocalRef(mEnv, jhint);
}
}
SDL_bool Android_JNI_GetAccelerometerValues(float values[3])
@ -859,7 +879,7 @@ int Android_JNI_CaptureAudioBuffer(void *buffer, int buflen)
void Android_JNI_FlushCapturedAudio(void)
{
JNIEnv *env = Android_JNI_GetEnv();
#if 0 /* !!! FIXME: this needs API 23, or it'll do blocking reads and never end. */
#if 0 /* !!! FIXME: this needs API 23, or it'll do blocking reads and never end. */
if (captureBuffer16Bit) {
const jint len = (*env)->GetArrayLength(env, (jshortArray)captureBuffer);
while ((*env)->CallStaticIntMethod(env, mActivityClass, midCaptureReadShortBuffer, (jshortArray)captureBuffer, JNI_FALSE) == len) { /* spin */ }
@ -867,13 +887,13 @@ void Android_JNI_FlushCapturedAudio(void)
const jint len = (*env)->GetArrayLength(env, (jbyteArray)captureBuffer);
while ((*env)->CallStaticIntMethod(env, mActivityClass, midCaptureReadByteBuffer, (jbyteArray)captureBuffer, JNI_FALSE) == len) { /* spin */ }
}
#else
#else
if (captureBuffer16Bit) {
(*env)->CallStaticIntMethod(env, mActivityClass, midCaptureReadShortBuffer, (jshortArray)captureBuffer, JNI_FALSE);
} else {
(*env)->CallStaticIntMethod(env, mActivityClass, midCaptureReadByteBuffer, (jbyteArray)captureBuffer, JNI_FALSE);
}
#endif
#endif
}
void Android_JNI_CloseAudioDevice(const int iscapture)
@ -969,10 +989,7 @@ static int Internal_Android_JNI_FileOpen(SDL_RWops* ctx)
ctx->hidden.androidio.position = 0;
/* context = SDLActivity.getContext(); */
mid = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
"getContext","()Landroid/content/Context;");
context = (*mEnv)->CallStaticObjectMethod(mEnv, mActivityClass, mid);
context = (*mEnv)->CallStaticObjectMethod(mEnv, mActivityClass, midGetContext);
/* assetManager = context.getAssets(); */
mid = (*mEnv)->GetMethodID(mEnv, (*mEnv)->GetObjectClass(mEnv, context),
@ -1353,7 +1370,6 @@ static jobject Android_JNI_GetSystemServiceObject(const char* name)
JNIEnv* env = Android_JNI_GetEnv();
jobject retval = NULL;
jstring service;
jmethodID mid;
jobject context;
jobject manager;
@ -1364,11 +1380,10 @@ static jobject Android_JNI_GetSystemServiceObject(const char* name)
service = (*env)->NewStringUTF(env, name);
mid = (*env)->GetStaticMethodID(env, mActivityClass, "getContext", "()Landroid/content/Context;");
context = (*env)->CallStaticObjectMethod(env, mActivityClass, mid);
/* context = SDLActivity.getContext(); */
context = (*env)->CallStaticObjectMethod(env, mActivityClass, midGetContext);
mid = (*env)->GetMethodID(env, mActivityClass, "getSystemServiceFromUiThread", "(Ljava/lang/String;)Ljava/lang/Object;");
manager = (*env)->CallObjectMethod(env, context, mid, service);
manager = (*env)->CallObjectMethod(env, context, midGetSystemServiceFromUiThread, service);
(*env)->DeleteLocalRef(env, service);
@ -1484,8 +1499,8 @@ int Android_JNI_GetPowerInfo(int* plugged, int* charged, int* battery, int* seco
}
mid = (*env)->GetStaticMethodID(env, mActivityClass, "getContext", "()Landroid/content/Context;");
context = (*env)->CallStaticObjectMethod(env, mActivityClass, mid);
/* context = SDLActivity.getContext(); */
context = (*env)->CallStaticObjectMethod(env, mActivityClass, midGetContext);
action = (*env)->NewStringUTF(env, "android.intent.action.BATTERY_CHANGED");
@ -1585,8 +1600,7 @@ int Android_JNI_GetPowerInfo(int* plugged, int* charged, int* battery, int* seco
int Android_JNI_GetTouchDeviceIds(int **ids) {
JNIEnv *env = Android_JNI_GetEnv();
jint sources = 4098; /* == InputDevice.SOURCE_TOUCHSCREEN */
jmethodID mid = (*env)->GetStaticMethodID(env, mActivityClass, "inputGetInputDeviceIds", "(I)[I");
jintArray array = (jintArray) (*env)->CallStaticObjectMethod(env, mActivityClass, mid, sources);
jintArray array = (jintArray) (*env)->CallStaticObjectMethod(env, mActivityClass, midInputGetInputDeviceIds, sources);
int number = 0;
*ids = NULL;
if (array) {
@ -1640,16 +1654,8 @@ void Android_JNI_HapticRun(int device_id, int length)
int Android_JNI_SendMessage(int command, int param)
{
JNIEnv *env = Android_JNI_GetEnv();
jmethodID mid;
jboolean success;
if (!env) {
return -1;
}
mid = (*env)->GetStaticMethodID(env, mActivityClass, "sendMessage", "(II)Z");
if (!mid) {
return -1;
}
success = (*env)->CallStaticBooleanMethod(env, mActivityClass, mid, command, param);
success = (*env)->CallStaticBooleanMethod(env, mActivityClass, midSendMessage, command, param);
return success ? 0 : -1;
}
@ -1661,16 +1667,7 @@ void Android_JNI_SuspendScreenSaver(SDL_bool suspend)
void Android_JNI_ShowTextInput(SDL_Rect *inputRect)
{
JNIEnv *env = Android_JNI_GetEnv();
jmethodID mid;
if (!env) {
return;
}
mid = (*env)->GetStaticMethodID(env, mActivityClass, "showTextInput", "(IIII)Z");
if (!mid) {
return;
}
(*env)->CallStaticBooleanMethod(env, mActivityClass, mid,
(*env)->CallStaticBooleanMethod(env, mActivityClass, midShowTextInput,
inputRect->x,
inputRect->y,
inputRect->w,
@ -1686,14 +1683,9 @@ void Android_JNI_HideTextInput(void)
SDL_bool Android_JNI_IsScreenKeyboardShown()
{
jmethodID mid;
jboolean is_shown = 0;
JNIEnv *mEnv = Android_JNI_GetEnv();
mid = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,"isScreenKeyboardShown","()Z");
if (mid) {
is_shown = (*mEnv)->CallStaticBooleanMethod(mEnv, mActivityClass, mid);
}
jboolean is_shown = 0;
is_shown = (*mEnv)->CallStaticBooleanMethod(mEnv, mActivityClass, midIsScreenKeyboardShown);
return is_shown;
}
@ -1752,11 +1744,8 @@ int Android_JNI_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *bu
(*env)->DeleteLocalRef(env, clazz);
/* call function */
mid = (*env)->GetStaticMethodID(env, mActivityClass, "getContext","()Landroid/content/Context;");
context = (*env)->CallStaticObjectMethod(env, mActivityClass, mid);
/* context = SDLActivity.getContext(); */
context = (*env)->CallStaticObjectMethod(env, mActivityClass, midGetContext);
clazz = (*env)->GetObjectClass(env, context);
@ -1802,17 +1791,13 @@ void *SDL_AndroidGetActivity(void)
{
/* See SDL_system.h for caveats on using this function. */
jmethodID mid;
JNIEnv *env = Android_JNI_GetEnv();
if (!env) {
return NULL;
}
/* return SDLActivity.getContext(); */
mid = (*env)->GetStaticMethodID(env, mActivityClass,
"getContext","()Landroid/content/Context;");
return (*env)->CallStaticObjectMethod(env, mActivityClass, mid);
return (*env)->CallStaticObjectMethod(env, mActivityClass, midGetContext);
}
const char * SDL_AndroidGetInternalStoragePath(void)
@ -1834,9 +1819,7 @@ const char * SDL_AndroidGetInternalStoragePath(void)
}
/* context = SDLActivity.getContext(); */
mid = (*env)->GetStaticMethodID(env, mActivityClass,
"getContext","()Landroid/content/Context;");
context = (*env)->CallStaticObjectMethod(env, mActivityClass, mid);
context = (*env)->CallStaticObjectMethod(env, mActivityClass, midGetContext);
/* fileObj = context.getFilesDir(); */
mid = (*env)->GetMethodID(env, (*env)->GetObjectClass(env, context),
@ -1920,9 +1903,7 @@ const char * SDL_AndroidGetExternalStoragePath(void)
}
/* context = SDLActivity.getContext(); */
mid = (*env)->GetStaticMethodID(env, mActivityClass,
"getContext","()Landroid/content/Context;");
context = (*env)->CallStaticObjectMethod(env, mActivityClass, mid);
context = (*env)->CallStaticObjectMethod(env, mActivityClass, midGetContext);
/* fileObj = context.getExternalFilesDir(); */
mid = (*env)->GetMethodID(env, (*env)->GetObjectClass(env, context),