pandory500/SDL-mirror
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Added some platform specific API functions for Android:

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SDL_AndroidGetJNIEnv()
SDL_AndroidGetActivity()
SDL_AndroidGetInternalStoragePath()
SDL_AndroidGetExternalStorageState()
SDL_AndroidGetExternalStoragePath()
This commit is contained in:
Sam Lantinga 2012-11-02 02:22:32 -07:00
parent 1f23677ce4
commit ffc1360d69
2 changed files with 196 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

152
src/core/android/SDL_android.cpp
View file

@ -24,6 +24,7 @@
#ifdef __ANDROID__
#include "SDL_system.h"
#include "SDL_android.h"
extern "C" {
@ -963,8 +964,6 @@ extern "C" int Android_JNI_ShowTextInput(SDL_Rect *inputRect)
/*extern "C" int Android_JNI_HideTextInput()
{
JNIEnv *env = Android_JNI_GetEnv();
if (!env) {
return -1;
@ -978,6 +977,155 @@ extern "C" int Android_JNI_ShowTextInput(SDL_Rect *inputRect)
return 0;
}*/
//////////////////////////////////////////////////////////////////////////////
//
// Functions exposed to SDL applications in SDL_system.h
//
extern "C" void *SDL_AndroidGetJNIEnv()
{
return Android_JNI_GetEnv();
}
extern "C" void *SDL_AndroidGetActivity()
{
LocalReferenceHolder refs;
jmethodID mid;
JNIEnv *env = Android_JNI_GetEnv();
if (!refs.init(env)) {
return NULL;
}
// return SDLActivity.getContext();
mid = env->GetStaticMethodID(mActivityClass,
"getContext","()Landroid/content/Context;");
return env->CallStaticObjectMethod(mActivityClass, mid);
}
extern "C" const char * SDL_AndroidGetInternalStoragePath()
{
static char *s_AndroidInternalFilesPath = NULL;
if (!s_AndroidInternalFilesPath) {
LocalReferenceHolder refs;
jmethodID mid;
jobject context;
jobject fileObject;
jstring pathString;
const char *path;
JNIEnv *env = Android_JNI_GetEnv();
if (!refs.init(env)) {
return NULL;
}
// context = SDLActivity.getContext();
mid = env->GetStaticMethodID(mActivityClass,
"getContext","()Landroid/content/Context;");
context = env->CallStaticObjectMethod(mActivityClass, mid);
// fileObj = context.getFilesDir();
mid = env->GetMethodID(env->GetObjectClass(context),
"getFilesDir", "()Ljava/io/File;");
fileObject = env->CallObjectMethod(context, mid);
if (!fileObject) {
SDL_SetError("Couldn't get internal directory");
return NULL;
}
// path = fileObject.getAbsolutePath();
mid = env->GetMethodID(env->GetObjectClass(fileObject),
"getAbsolutePath", "()Ljava/lang/String;");
pathString = (jstring)env->CallObjectMethod(fileObject, mid);
path = env->GetStringUTFChars(pathString, NULL);
s_AndroidInternalFilesPath = SDL_strdup(path);
env->ReleaseStringUTFChars(pathString, path);
}
return s_AndroidInternalFilesPath;
}
extern "C" int SDL_AndroidGetExternalStorageState()
{
LocalReferenceHolder refs;
jmethodID mid;
jclass cls;
jstring stateString;
const char *state;
int stateFlags;
JNIEnv *env = Android_JNI_GetEnv();
if (!refs.init(env)) {
return 0;
}
cls = env->FindClass("android/os/Environment");
mid = env->GetStaticMethodID(cls,
"getExternalStorageState", "()Ljava/lang/String;");
stateString = (jstring)env->CallStaticObjectMethod(cls, mid);
state = env->GetStringUTFChars(stateString, NULL);
// Print an info message so people debugging know the storage state
__android_log_print(ANDROID_LOG_INFO, "SDL", "external storage state: %s", state);
if (SDL_strcmp(state, "mounted") == 0) {
stateFlags = SDL_ANDROID_EXTERNAL_STORAGE_READ |
SDL_ANDROID_EXTERNAL_STORAGE_WRITE;
} else if (SDL_strcmp(state, "mounted_ro") == 0) {
stateFlags = SDL_ANDROID_EXTERNAL_STORAGE_READ;
} else {
stateFlags = 0;
}
env->ReleaseStringUTFChars(stateString, state);
return stateFlags;
}
extern "C" const char * SDL_AndroidGetExternalStoragePath()
{
static char *s_AndroidExternalFilesPath = NULL;
if (!s_AndroidExternalFilesPath) {
LocalReferenceHolder refs;
jmethodID mid;
jobject context;
jobject fileObject;
jstring pathString;
const char *path;
JNIEnv *env = Android_JNI_GetEnv();
if (!refs.init(env)) {
return NULL;
}
// context = SDLActivity.getContext();
mid = env->GetStaticMethodID(mActivityClass,
"getContext","()Landroid/content/Context;");
context = env->CallStaticObjectMethod(mActivityClass, mid);
// fileObj = context.getExternalFilesDir();
mid = env->GetMethodID(env->GetObjectClass(context),
"getExternalFilesDir", "(Ljava/lang/String;)Ljava/io/File;");
fileObject = env->CallObjectMethod(context, mid, NULL);
if (!fileObject) {
SDL_SetError("Couldn't get external directory");
return NULL;
}
// path = fileObject.getAbsolutePath();
mid = env->GetMethodID(env->GetObjectClass(fileObject),
"getAbsolutePath", "()Ljava/lang/String;");
pathString = (jstring)env->CallObjectMethod(fileObject, mid);
path = env->GetStringUTFChars(pathString, NULL);
s_AndroidExternalFilesPath = SDL_strdup(path);
env->ReleaseStringUTFChars(pathString, path);
}
return s_AndroidExternalFilesPath;
}
#endif /* __ANDROID__ */
/* vi: set ts=4 sw=4 expandtab: */