2014/10/16 上午 08:14:15

android Programming Glossary: getstringutfchars

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

result convert Java string to UTF 8 const jbyte utf8 env GetStringUTFChars env uri NULL assert NULL utf8 configure audio source requires..

Decoding Video using FFMpeg for android

http://stackoverflow.com/questions/11322952/decoding-video-using-ffmpeg-for-android

av_register_all Open video file const jbyte str str env GetStringUTFChars env filename NULL if av_open_input_file pFormatCtx str NULL..

jni converting jstring to char *

http://stackoverflow.com/questions/4181934/jni-converting-jstring-to-char

jobject obj jstring javaString const char nativeString env GetStringUTFChars env javaString 0 use your string env ReleaseStringUTFChars env..

Android NDK Write File

http://stackoverflow.com/questions/4731314/android-ndk-write-file

JNIEnv env jobject obj jstring dir const char temp env GetStringUTFChars dir NULL std string stringDir temp Will be receive as a std..

Calling a java method from c++ in Android

http://stackoverflow.com/questions/5198105/calling-a-java-method-from-c-in-android

jstr messageMe Get a C style string const char str env GetStringUTFChars jstring result NULL printf s n str Clean up env ReleaseStringUTFChars.. CallObjectMethod env obj messageMe jstr const char str env GetStringUTFChars env jstring result NULL should be released but what a heck it's..

How to decode audio via FFmpeg in Android

http://stackoverflow.com/questions/5367595/how-to-decode-audio-via-ffmpeg-in-android

through FFmpeg and wrote this av_register_all char str env GetStringUTFChars env argv 0 __android_log_print ANDROID_LOG_INFO HelloNDK str.. FF_INPUT_BUFFER_PADDING_SIZE av_register_all char str env GetStringUTFChars env argv 0 if av_open_input_file & pFormatCtx str NULL 0 NULL.. 2 av_register_all char str env GetStringUTFChars env argv 0 if av_open_input_file &pFormatCtx str NULL 0 NULL..

Decoding audio via Android using FFMpeg

http://stackoverflow.com/questions/6228008/decoding-audio-via-android-using-ffmpeg

the begining of your main function const char szfile env GetStringUTFChars env file isCopy int16_t pAudioBuffer int16_t av_malloc AVCODEC_MAX_AUDIO_FRAME_SIZE.. array jboolean isfilenameCopy const char filename env GetStringUTFChars env file isfilenameCopy AVCodec codec AVCodecContext c NULL..

Issues with SHA1 hash implementation in Android

http://stackoverflow.com/questions/6350657/issues-with-sha1-hash-implementation-in-android

with following code jboolean jbol const char fileName env GetStringUTFChars file jbol And the other way TCHAR szReport new TCHAR jstring..

Calling Android NDK function from Unity Script

http://stackoverflow.com/questions/9121781/calling-android-ndk-function-from-unity-script

URL url URL jboolean isCopy const char szLogThis env GetStringUTFChars env URL isCopy __android_log_print ANDROID_LOG_DEBUG DEBUG_TAG..

Android ndk-build iostream: No such file or directory

http://stackoverflow.com/questions/9130429/android-ndk-build-iostream-no-such-file-or-directory

jstring logThis jboolean isCopy const char szLogThis env GetStringUTFChars logThis isCopy __android_log_print ANDROID_LOG_DEBUG DEBUG_TAG..

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

JNIEnv env jclass clazz jstring uri SLresult result convert Java string to UTF 8 const jbyte utf8 env GetStringUTFChars env uri NULL assert NULL utf8 configure audio source requires the INTERNET permission depending on the uri parameter SLDataLocator_URI..

Decoding Video using FFMpeg for android

http://stackoverflow.com/questions/11322952/decoding-video-using-ffmpeg-for-android

int numBytes uint8_t buffer Register all formats and codecs av_register_all Open video file const jbyte str str env GetStringUTFChars env filename NULL if av_open_input_file pFormatCtx str NULL 0 NULL 0 LOGI Can't open file ' s' n str return 1 else LOGI..

jni converting jstring to char *

http://stackoverflow.com/questions/4181934/jni-converting-jstring-to-char

Android NDK Write File

http://stackoverflow.com/questions/4731314/android-ndk-write-file

bool JNICALL Java_com_android_appName_LibLoader_setupArchiveDir JNIEnv env jobject obj jstring dir const char temp env GetStringUTFChars dir NULL std string stringDir temp Will be receive as a std string inside C code MyNativeObjectInC SetupArchiveDir stringDir..

Calling a java method from c++ in Android

http://stackoverflow.com/questions/5198105/calling-a-java-method-from-c-in-android

the method on the object jobject result env CallObjectMethod jstr messageMe Get a C style string const char str env GetStringUTFChars jstring result NULL printf s n str Clean up env ReleaseStringUTFChars jstr str Shutdown the VM. vm DestroyJavaVM return.. Ljava lang String Ljava lang String jobject result env CallObjectMethod env obj messageMe jstr const char str env GetStringUTFChars env jstring result NULL should be released but what a heck it's a tutorial printf s n str return env NewStringUTF env str..

How to decode audio via FFmpeg in Android

http://stackoverflow.com/questions/5367595/how-to-decode-audio-via-ffmpeg-in-android

with FFmpeg compiled for Android NDK. I could open the file through FFmpeg and wrote this av_register_all char str env GetStringUTFChars env argv 0 __android_log_print ANDROID_LOG_INFO HelloNDK str str if av_open_input_file pFormatCtx str NULL 0 NULL 0 return.. audio_buf uint8_t outbuf uint8_t inbuf AUDIO_INBUF_SIZE FF_INPUT_BUFFER_PADDING_SIZE av_register_all char str env GetStringUTFChars env argv 0 if av_open_input_file & pFormatCtx str NULL 0 NULL 0 return 150 if av_find_stream_info pFormatCtx nb_streams.. char pAudioBuffer char av_malloc AVCODEC_MAX_AUDIO_FRAME_SIZE 2 av_register_all char str env GetStringUTFChars env argv 0 if av_open_input_file &pFormatCtx str NULL 0 NULL 0 return 150 Couldn't open file if av_find_stream_info pFormatCtx..

Decoding audio via Android using FFMpeg

http://stackoverflow.com/questions/6228008/decoding-audio-via-android-using-ffmpeg

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 pAudioBuffer int16_t av_malloc AVCODEC_MAX_AUDIO_FRAME_SIZE 2 FF_INPUT_BUFFER_PADDING_SIZE int16_t.. JNIEnv env jobject obj jstring file jbyteArray array jboolean isfilenameCopy const char filename env GetStringUTFChars env file isfilenameCopy AVCodec codec AVCodecContext c NULL int out_size len FILE f outfile uint8_t outbuf uint8_t inbuf..

Issues with SHA1 hash implementation in Android

http://stackoverflow.com/questions/6350657/issues-with-sha1-hash-implementation-in-android

is part of it Strings The given string would be converted with following code jboolean jbol const char fileName env GetStringUTFChars file jbol And the other way TCHAR szReport new TCHAR jstring result callEnv NewStringUTF szReport It can be every char variable...

Calling Android NDK function from Unity Script

http://stackoverflow.com/questions/9121781/calling-android-ndk-function-from-unity-script

void Java_com_blah_blah_setURL JNIEnv env jobject this jstring URL url URL jboolean isCopy const char szLogThis env GetStringUTFChars env URL isCopy __android_log_print ANDROID_LOG_DEBUG DEBUG_TAG NDK LC s szLogThis env ReleaseStringUTFChars env URL szLogThis..

Android ndk-build iostream: No such file or directory

http://stackoverflow.com/questions/9130429/android-ndk-build-iostream-no-such-file-or-directory

JNIEnv env jobject thisobj jstring logThis jboolean isCopy const char szLogThis env GetStringUTFChars logThis isCopy __android_log_print ANDROID_LOG_DEBUG DEBUG_TAG NDK LC s szLogThis env ReleaseStringUTFChars logThis szLogThis..