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2014/10/16 ¤W¤È 08:14:11
android Programming Glossary: getmethodidAndroid : How to change Playback Rate of music using OpenSL ES http://stackoverflow.com/questions/11094377/android-how-to-change-playback-rate-of-music-using-opensl-es cls env GetObjectClass thiz if cls NULL jmethodID mid env GetMethodID cls OnCompletion V if mid NULL env CallVoidMethod thiz mid 1234..
FindClass from any thread in Android JNI http://stackoverflow.com/questions/13263340/findclass-from-any-thread-in-android-jni java lang ClassLoader auto getClassLoaderMethod env GetMethodID classClass getClassLoader Ljava lang ClassLoader gClassLoader.. randomClass getClassLoaderMethod gFindClassMethod env GetMethodID classLoaderClass findClass Ljava lang String Ljava lang Class..
Rotating a bitmap using JNI & NDK http://stackoverflow.com/questions/14398670/rotating-a-bitmap-using-jni-ndk env GetObjectClass bitmap jmethodID recycleFunction env GetMethodID bitmapCls recycle V if recycleFunction 0 LOGE error recycling..
Calling a java method from c++ in Android http://stackoverflow.com/questions/5198105/calling-a-java-method-from-c-in-android the method that you want to call jmethodID messageMe env GetMethodID clazz messageMe Ljava lang String V Call the method on the object.. inceptix android t3d MainActivity jmethodID messageMe env GetMethodID env clazz messageMe Ljava lang String Ljava lang String jobject..
Decoding audio via Android using FFMpeg http://stackoverflow.com/questions/6228008/decoding-audio-via-android-using-ffmpeg jclass cls env GetObjectClass env obj jmethodID play env GetMethodID env cls playSound BI V At the begining of your main function.. jclass cls env GetObjectClass env obj jmethodID play env GetMethodID env cls playSound BI V At the begining of your main function..
Issues with SHA1 hash implementation in Android http://stackoverflow.com/questions/6350657/issues-with-sha1-hash-implementation-in-android and an instance of the class jmethodID midSet callEnv GetMethodID callClass setFileSize J V The first argument is the instance..
How do I load my own Java class in C on Android? http://stackoverflow.com/questions/6838397/how-do-i-load-my-own-java-class-in-c-on-android causes a segfault. jmethodID theSubClassConstructor env GetMethodID env theSubClass init V jobject theSubClassObject env NewObject..
Android : How to change Playback Rate of music using OpenSL ES http://stackoverflow.com/questions/11094377/android-how-to-change-playback-rate-of-music-using-opensl-es NULL void OnCompletion JNIEnv env jclass clazz jclass cls env GetObjectClass thiz if cls NULL jmethodID mid env GetMethodID cls OnCompletion V if mid NULL env CallVoidMethod thiz mid 1234 void playStatusCallback SLPlayItf play void context SLuint32..
FindClass from any thread in Android JNI http://stackoverflow.com/questions/13263340/findclass-from-any-thread-in-android-jni env FindClass java lang Class auto classLoaderClass env FindClass java lang ClassLoader auto getClassLoaderMethod env GetMethodID classClass getClassLoader Ljava lang ClassLoader gClassLoader env CallObjectMethod randomClass getClassLoaderMethod gFindClassMethod.. Ljava lang ClassLoader gClassLoader env CallObjectMethod randomClass getClassLoaderMethod gFindClassMethod env GetMethodID classLoaderClass findClass Ljava lang String Ljava lang Class return JNI_VERSION_1_6 jclass findClass const char name..
Rotating a bitmap using JNI & NDK http://stackoverflow.com/questions/14398670/rotating-a-bitmap-using-jni-ndk using bitmap.recycle LOGD recycling bitmap... jclass bitmapCls env GetObjectClass bitmap jmethodID recycleFunction env GetMethodID bitmapCls recycle V if recycleFunction 0 LOGE error recycling return NULL env CallVoidMethod bitmap recycleFunction creating..
Calling a java method from c++ in Android http://stackoverflow.com/questions/5198105/calling-a-java-method-from-c-in-android call jclass clazz env FindClass the package MainActivity Get the method that you want to call jmethodID messageMe env GetMethodID clazz messageMe Ljava lang String V Call the method on the object jobject result env CallObjectMethod jstr messageMe Get.. env This comes from jni. jclass clazz env FindClass env com inceptix android t3d MainActivity jmethodID messageMe env GetMethodID env clazz messageMe Ljava lang String Ljava lang String jobject result env CallObjectMethod env obj messageMe jstr const..
Decoding audio via Android using FFMpeg http://stackoverflow.com/questions/6228008/decoding-audio-via-android-using-ffmpeg AVCodecContext c NULL AVCodec aCodec AVPacket packet jclass cls env GetObjectClass env obj jmethodID play env GetMethodID env cls playSound BI V At the begining of your main function const char szfile env GetStringUTFChars env file isCopy int16_t.. AUDIO_INBUF_SIZE FF_INPUT_BUFFER_PADDING_SIZE AVPacket avpkt jclass cls env GetObjectClass env obj jmethodID play env GetMethodID env cls playSound BI V At the begining of your main function av_init_packet avpkt printf Audio decoding n find the mpeg..
Issues with SHA1 hash implementation in Android http://stackoverflow.com/questions/6350657/issues-with-sha1-hash-implementation-in-android SHA1HashFileAsyncTask . To find a method you need the JNIEnv and an instance of the class jmethodID midSet callEnv GetMethodID callClass setFileSize J V The first argument is the instance of the class the second the name of the method and the third..
How do I load my own Java class in C on Android? http://stackoverflow.com/questions/6838397/how-do-i-load-my-own-java-class-in-c-on-android generic . Also theSubClass is null so the next line causes a segfault. jmethodID theSubClassConstructor env GetMethodID env theSubClass init V jobject theSubClassObject env NewObject env theSubClass theSubClassConstructor env DeleteLocalRef..
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