X-Git-Url: http://nitlanguage.org diff --git a/lib/android/dalvik.nit b/lib/android/dalvik.nit index a795154..4777838 100644 --- a/lib/android/dalvik.nit +++ b/lib/android/dalvik.nit @@ -17,31 +17,37 @@ # Java related services specific to Android and its Dalvik VM module dalvik -import native_app_glue +import activities -extern class JavaClassLoader in "Java" `{java.lang.ClassLoader`} - super JavaObject +redef class App + # Main Java Activity of this application + # + # Require: A Nit activity is currently running. + fun native_activity: NativeActivity is abstract + + # Current reference context, either an activity or a service + fun native_context: NativeContext do return native_activity end redef class Sys - # Get the running JVM - redef fun create_default_jvm - do - var jvm = app.native_app_glue.ndk_native_activity.vm - var jni_env = jvm.attach_current_thread - if jni_env.address_is_null then jni_env = jvm.env - self.jvm = jvm - self.jni_env = jni_env - end + # We cannot create a JVM on Android + # + # This method is not reachable on this platform anyway. + # `Sys::jvm` is implemented by the main activity modules. + redef fun create_default_jvm do abort + + redef fun jni_env do return jvm.attach_current_thread private var class_loader: nullable JavaObject = null + private var class_loader_method: nullable JMethodID = null + redef fun load_jclass(name) do var class_loader = self.class_loader if class_loader == null then - find_class_loader(app.native_app_glue.ndk_native_activity.java_native_activity) + find_class_loader app.native_context class_loader = self.class_loader assert class_loader != null end @@ -52,35 +58,35 @@ redef class Sys return load_jclass_intern(class_loader, class_loader_method, name) end - private fun find_class_loader(native_activity: NativeActivity) import jni_env, class_loader=, JavaObject.as nullable, class_loader_method=, JMethodID.as nullable `{ - JNIEnv *env = Sys_jni_env(recv); + private fun find_class_loader(native_context: NativeContext) import jni_env, class_loader=, JavaObject.as nullable, class_loader_method=, JMethodID.as nullable `{ + JNIEnv *env = Sys_jni_env(self); // Retrieve main activity - jclass class_activity = (*env)->GetObjectClass(env, native_activity); - if (class_activity == NULL) { - __android_log_print(ANDROID_LOG_ERROR, "Nit", "retreiving activity class"); + jclass class_context = (*env)->GetObjectClass(env, native_context); + if (class_context == NULL) { + __android_log_print(ANDROID_LOG_ERROR, "Nit", "Failed to retrieve activity class"); (*env)->ExceptionDescribe(env); exit(1); } - jmethodID class_activity_getClassLoader = (*env)->GetMethodID(env, class_activity, "getClassLoader", "()Ljava/lang/ClassLoader;"); + jmethodID class_activity_getClassLoader = (*env)->GetMethodID(env, class_context, "getClassLoader", "()Ljava/lang/ClassLoader;"); if (class_activity_getClassLoader == NULL) { - __android_log_print(ANDROID_LOG_ERROR, "Nit", "retreiving 'getClassLoader' method"); + __android_log_print(ANDROID_LOG_ERROR, "Nit", "Failed to retrieve 'getClassLoader' method"); (*env)->ExceptionDescribe(env); exit(1); } // Call activity.getClassLoader - jobject instance_class_loader = (*env)->CallObjectMethod(env, native_activity, class_activity_getClassLoader); + jobject instance_class_loader = (*env)->CallObjectMethod(env, native_context, class_activity_getClassLoader); if (instance_class_loader == NULL) { - __android_log_print(ANDROID_LOG_ERROR, "Nit", "retreiving class loader instance"); + __android_log_print(ANDROID_LOG_ERROR, "Nit", "Failed to retrieve class loader instance"); (*env)->ExceptionDescribe(env); exit(1); } jclass class_class_loader = (*env)->GetObjectClass(env, instance_class_loader); if (class_class_loader == NULL) { - __android_log_print(ANDROID_LOG_ERROR, "Nit", "retreiving class of class loader"); + __android_log_print(ANDROID_LOG_ERROR, "Nit", "Failed to retrieve class of class loader"); (*env)->ExceptionDescribe(env); exit(1); } @@ -88,28 +94,28 @@ redef class Sys // Get the method ClassLoader.findClass jmethodID class_class_loader_findClass = (*env)->GetMethodID(env, class_class_loader, "findClass", "(Ljava/lang/String;)Ljava/lang/Class;"); if (class_class_loader_findClass == NULL) { - __android_log_print(ANDROID_LOG_ERROR, "Nit", "retreiving 'findClass' method"); + __android_log_print(ANDROID_LOG_ERROR, "Nit", "Failed to retrieve 'findClass' method"); (*env)->ExceptionDescribe(env); exit(1); } // Return the values to Nit - Sys_class_loader__assign(recv, JavaObject_as_nullable((*env)->NewGlobalRef(env, instance_class_loader))); - Sys_class_loader_method__assign(recv, JMethodID_as_nullable(class_class_loader_findClass)); + Sys_class_loader__assign(self, JavaObject_as_nullable((*env)->NewGlobalRef(env, instance_class_loader))); + Sys_class_loader_method__assign(self, JMethodID_as_nullable(class_class_loader_findClass)); // Clean up - (*env)->DeleteLocalRef(env, class_activity); + (*env)->DeleteLocalRef(env, class_context); (*env)->DeleteLocalRef(env, instance_class_loader); (*env)->DeleteLocalRef(env, class_class_loader); `} - private fun load_jclass_intern(instance_class_loader: JavaObject, class_loader_findClass: JMethodID, name: NativeString): JClass import jni_env `{ - JNIEnv *env = Sys_jni_env(recv); + private fun load_jclass_intern(instance_class_loader: JavaObject, class_loader_findClass: JMethodID, name: CString): JClass import jni_env `{ + JNIEnv *env = Sys_jni_env(self); jobject class_name = (*env)->NewStringUTF(env, name); jclass java_class = (*env)->CallObjectMethod(env, instance_class_loader, class_loader_findClass, class_name); if (java_class == NULL) { - __android_log_print(ANDROID_LOG_ERROR, "Nit", "loading targetted class"); + __android_log_print(ANDROID_LOG_ERROR, "Nit", "Failed loading targeted class"); (*env)->ExceptionDescribe(env); exit(1); }