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[Android] SFML activity allows a custom library name for the user application

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This commit is contained in:
Jonathan De Wachter 2014-02-24 13:28:59 +01:00
parent 349fe380e4
commit a1b0e73ac5
2 changed files with 42 additions and 2 deletions
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1
examples/android/AndroidManifest.xml
View File

@ -19,6 +19,7 @@
android:configChanges="keyboardHidden|screenSize">
<meta-data android:name="android.app.lib_name" android:value="sfml-activity" />
<meta-data android:name="sfml.app.lib_name" android:value="sfml-example" />
<intent-filter>
<action android:name="android.intent.action.MAIN" />

41
src/SFML/Main/SFMLActivity.cpp
View File

@ -22,6 +22,7 @@
//
////////////////////////////////////////////////////////////
#include <string>
#include <android/native_activity.h>
#include <android/log.h>
#include <dlfcn.h>
@ -31,6 +32,42 @@
#define LOGE(...) ((void)__android_log_print(ANDROID_LOG_INFO, "sfml-activity", __VA_ARGS__))
std::string getLibraryName(JNIEnv* lJNIEnv, jobject& objectActivityInfo)
{
// This function reads the value of meta-data "sfml.app.lib_name"
// found in the Android Manifest file and returns it. It performs the
// following java code using the JNI interface:
//
// ai.metaData.getString("sfml.app.lib_name");
// Get metaData instance from the ActivityInfo object
jclass classActivityInfo = lJNIEnv->FindClass("android/content/pm/ActivityInfo");
jfieldID fieldMetaData = lJNIEnv->GetFieldID(classActivityInfo, "metaData", "Landroid/os/Bundle;");
jobject objectMetaData = lJNIEnv->GetObjectField(objectActivityInfo, fieldMetaData);
// Create a java string object containing "sfml.app.lib_name"
jobject objectName = lJNIEnv->NewStringUTF("sfml.app.lib_name");
// Get the value of meta-data named "sfml.app.lib_name"
jclass classBundle = lJNIEnv->FindClass("android/os/Bundle");
jmethodID methodGetString = lJNIEnv->GetMethodID(classBundle, "getString", "(Ljava/lang/String;)Ljava/lang/String;");
jobject objectValue = lJNIEnv->CallObjectMethod(objectMetaData, methodGetString, objectName);
// No meta-data "sfml.app.lib_name" was found so we abord and inform the user
if (objectValue == NULL)
{
LOGE("No meta-data 'sfml.app.lib_name' found in AndroidManifest.xml file");
exit(1);
}
// Convert the application name to a C++ string and return it
const char* applicationName = lJNIEnv->GetStringUTFChars(objectValue, NULL);
std::string ret(applicationName);
lJNIEnv->ReleaseStringUTFChars(objectValue, applicationName);
return ret;
}
void* loadLibrary(const char* libraryName, JNIEnv* lJNIEnv, jobject& ObjectActivityInfo)
{
// Find out the absolute path of the library
@ -142,7 +179,9 @@ void ANativeActivity_onCreate(ANativeActivity* activity, void* savedState, size_
loadLibrary("openal", lJNIEnv, ObjectActivityInfo);
loadLibrary("sfml-audio", lJNIEnv, ObjectActivityInfo);
loadLibrary("sfml-network", lJNIEnv, ObjectActivityInfo);
void* handle = loadLibrary("sfml-example", lJNIEnv, ObjectActivityInfo);
std::string libName = getLibraryName(lJNIEnv, ObjectActivityInfo);
void* handle = loadLibrary(libName.c_str(), lJNIEnv, ObjectActivityInfo);
// todo: should we detach the current thread ? because if we do, it
// crashes (lJavaVM->DetachCurrentThread();)