接下来,我们需要创建JNI方法,以便在C++中调用Java接口方法。以下是一个示例: #include<jni.h>extern"C"{JNIEXPORTvoidJNICALLJava_com_example_MyClass_callbackFromC(JNIEnv*env,jobject javaObject,jstring message){// Find the Java classjclass javaClass=env->GetObjectClass(javaObject);// Find the Java ...
typedefstruct{jstring message;}MyData;// 示例函数用来构造数据,并通过回调传递JNIEXPORTvoidJNICALLJava_CallbackJNI_sendData(JNIEnv*env,jobject obj){MyData data;data.message=(*env)->NewStringUTF(env,"Data sent to Java!");jclass clazz=(*env)->FindClass(env,"CallbackExample");jmethodID methodID=...
}//通过全局变量g_obj 获取到要回调的类jclass javaClass = (*env)->GetObjectClass(env, g_obj);if(javaClass ==0) {//LOGI("Unable to find class");(*g_VM)->DetachCurrentThread(g_VM);return; }//获取要回调的方法IDjmethodID javaCallbackId = (*env)->GetMethodID(env, javaClass,"onProgr...
LOGI_JniSCS("Unable to find method:onProgressCallBack");return; }//执行回调,注意第二个参数是jobj,不是javaClass(*env)->CallVoidMethod(env, jobj, javaCallbackId,1,(*env)->NewStringUTF(env,"Hello from JNI000.0.0.!"));return4000000; } 第二种方式: ///Created by wei.yuan on 2017/6/...
Java层调用的native接口是_setDataSource,native实现在ijkmedia\ijkplayer\android\ijkplayer_jni.c: static void IjkMediaPlayer_setDataSourceCallback(JNIEnv *env, jobject thiz, jobject callback) { ... retval = ijkmp_set_data_source(mp, uri); ...
Auth.Callback Javax.Security.Auth.Login Javax.Security.Auth.X500 Javax.Security.Cert Javax.Sql Javax.Xml Javax.Xml。数据类型 Javax.Xml。命名 空间 Javax.Xml。解析 器 Javax.Xml。变换 Javax.Xml。Transform.Dom Javax.Xml。Transform.Sax Javax.Xml。Transform.Stream Javax.Xml。验证 Javax.Xml。Xpath ...
at android.view.Choreographer$FrameDisplayEventReceiver.run (Choreographer.java:1646) at android.os.Handler.handleCallback (Handler.java:958) at android.os.Handler.dispatchMessage (Handler.java:99) at android.os.Looper.loopOnce (Looper.java:230) ...
publicoverrideJava.Interop.JniPeerMembers JniPeerMembers {get; } Property Value JniPeerMembers Remarks Portions of this page are modifications based on work created and shared by theAndroid Open Source Projectand used according to terms described in theCreative Commons 2.5 Attribution License. ...
If a function requires an array ofstruct(allocated contiguously in memory), a JavaStructure[]may be used. When passing in an array ofStructure, it is not necessary to initialize the array elements (the function call will allocate, zero memory, and assign the elements for you). If youdoneed...
#72 0x003bc32b /apex/com.android.runtime/lib/libart.so (art::Thread::CreateCallback(void*)+966) (BuildId: 2e55b99bfc5b904dcb28f4ff4b636f3a) #73 0x0009c1b7 /apex/com.android.runtime/lib/bionic/libc.so (__pthread_start(void*)+20) (BuildId: 2ae2ed355dc68e7fe1e09d70518111...