¡@
2014/10/16 ¤W¤È 08:13:32
android Programming Glossary: filedescriptorAccessing to files inside obb expansion file http://stackoverflow.com/questions/12635069/accessing-to-files-inside-obb-expansion-file fileZip filename entry.getZipFileName try AssetFileDescriptor ro entry.getAssetFileDescriptor Log.d test_files_zip fileZip.. try AssetFileDescriptor ro entry.getAssetFileDescriptor Log.d test_files_zip fileZip getfiledescriptor.tostring ro.getFileDescriptor.. test_files_zip fileZip getfiledescriptor.tostring ro.getFileDescriptor .toString Log.d test_files_zip fileZip createinputstring.tostring..
Anyone Have MediaPlayer Working with ParcelFileDescriptor and createPipe()? http://stackoverflow.com/questions/12920429/anyone-have-mediaplayer-working-with-parcelfiledescriptor-and-createpipe Have MediaPlayer Working with ParcelFileDescriptor and createPipe Related to my recent question on MediaRecorder.. to work with content served by a ContentProvider via ParcelFileDescriptor and createPipe . This sample project has my work to date. It.. can be. Specifically openFile creates a pipe from ParcelFileDescriptor @Override public ParcelFileDescriptor openFile Uri uri String..
android bluetooth can't connect http://stackoverflow.com/questions/17763779/android-bluetooth-cant-connect BluetoothSocket 17512 connect SocketState INIT mPfd ParcelFileDescriptor FileDescriptor 98 07 22 10 37 40.757 DEBUG dalvikvm 17512 GC_CONCURRENT.. 17512 connect SocketState INIT mPfd ParcelFileDescriptor FileDescriptor 98 07 22 10 37 40.757 DEBUG dalvikvm 17512 GC_CONCURRENT freed..
How to run terminal command in Android application? http://stackoverflow.com/questions/2843250/how-to-run-terminal-command-in-android-application String.class String.class int .class int pid new int 1 FileDescriptor fd FileDescriptor createSubprocess.invoke null system bin ls.. int .class int pid new int 1 FileDescriptor fd FileDescriptor createSubprocess.invoke null system bin ls null pid BufferedReader..
android code for streaming shoutcast stream breaks in 2.2 http://stackoverflow.com/questions/3834548/android-code-for-streaming-shoutcast-stream-breaks-in-2-2 for security permission reasons it is better to pass a FileDescriptor rather than a direct path to the File. Also I have seen errors.. to setDataSource . So unless otherwise noted we use a FileDescriptor here. FileInputStream fis new FileInputStream mediaFile mPlayer.setDataSource..
Parcelable where/when is describeContents() used? http://stackoverflow.com/questions/4076946/parcelable-where-when-is-describecontents-used when marshalled. Which really means If you need to put FileDescriptor object into Parceable you should must specify CONTENTS_FILE_DESCRIPTOR.. object in describeContents 's description they really mean FileDescriptor . This whole Parceable functionality looks unfinished read has..
http://stackoverflow.com/questions/5337505/android-capture-video-frame following works for me public static Bitmap getVideoFrame FileDescriptor FD MediaMetadataRetriever retriever new MediaMetadataRetriever..
http://stackoverflow.com/questions/571783/file-permissions-in-android read write etc. Looking around I found the classes FileDescriptor and FilePermission but I don't have an idea of which I can use..
what is the use of MemoryFile in android http://stackoverflow.com/questions/8165216/what-is-the-use-of-memoryfile-in-android import android.os.MemoryFile import android.os.ParcelFileDescriptor import java.io.FileDescriptor import java.lang.reflect.InvocationTargetException.. import android.os.ParcelFileDescriptor import java.io.FileDescriptor import java.lang.reflect.InvocationTargetException import java.lang.reflect.Method.. MemoryFileUtil private static final Method sMethodGetParcelFileDescriptor private static final Method sMethodGetFileDescriptor static..
http://stackoverflow.com/questions/8671479/android-mediaplayer-works-fine-in-custom-audio-streaming-application-up-to-andro but neither the FileInputStream nor the returned FileDescriptor can be null . 1 Prior to version 2.2 the media player wouldn't..
Modifying FileInputStream for mediaPlayer setDataSource http://stackoverflow.com/questions/9257364/modifying-fileinputstream-for-mediaplayer-setdatasource file and use the stream for MediaPlayer's setDataSource FileDescriptor . Problem is I don't know which method should be overridden.. file that are used in MediaPlayer. MediaPlayer accepts FileDescriptor processed in native code as reads from real file no call back..
MediaPlayer setDataSource, better to use path or FileDescriptor? http://stackoverflow.com/questions/9625680/mediaplayer-setdatasource-better-to-use-path-or-filedescriptor setDataSource better to use path or FileDescriptor Let's say I have a full path to a file. Which is the better.. easier but is there a reason to do the extra work to use a FileDescriptor android share improve this question Actually it turns out.. to support older SDKs. HOWEVER mediaPlayer.setDataSource FileDescriptor fd does NOT have this problem and mediaplayer will successfully..
Can We Install an APK From a ContentProvider? http://stackoverflow.com/questions/9637629/can-we-install-an-apk-from-a-contentprovider to allow it. ContentProvider's openFile returns a ParcelFileDescriptor from which you can obtain a java.io.FileDescriptor . You can.. a ParcelFileDescriptor from which you can obtain a java.io.FileDescriptor . You can then use this FileDescriptor to open either a FileInputStream.. obtain a java.io.FileDescriptor . You can then use this FileDescriptor to open either a FileInputStream or a FileOutputStream . Unfortunately..
Accessing to files inside obb expansion file http://stackoverflow.com/questions/12635069/accessing-to-files-inside-obb-expansion-file for ZipEntryRO entry ziro Log.d test_files_zip fileZip filename entry.getZipFileName try AssetFileDescriptor ro entry.getAssetFileDescriptor Log.d test_files_zip fileZip getfiledescriptor.tostring ro.getFileDescriptor .toString.. entry ziro Log.d test_files_zip fileZip filename entry.getZipFileName try AssetFileDescriptor ro entry.getAssetFileDescriptor Log.d test_files_zip fileZip getfiledescriptor.tostring ro.getFileDescriptor .toString Log.d test_files_zip fileZip createinputstring.tostring.. try AssetFileDescriptor ro entry.getAssetFileDescriptor Log.d test_files_zip fileZip getfiledescriptor.tostring ro.getFileDescriptor .toString Log.d test_files_zip fileZip createinputstring.tostring ro.createInputStream .toString AssetFileDescriptor assetFileDescriptor..
Anyone Have MediaPlayer Working with ParcelFileDescriptor and createPipe()? http://stackoverflow.com/questions/12920429/anyone-have-mediaplayer-working-with-parcelfiledescriptor-and-createpipe Have MediaPlayer Working with ParcelFileDescriptor and createPipe Related to my recent question on MediaRecorder and createPipe and a discussion of the createPipe technique.. this other SO question I am now trying to get MediaPlayer to work with content served by a ContentProvider via ParcelFileDescriptor and createPipe . This sample project has my work to date. It is based off of an earlier sample that plays an OGG clip stored.. PDFs to Adobe Reader which limits how screwed up my code can be. Specifically openFile creates a pipe from ParcelFileDescriptor @Override public ParcelFileDescriptor openFile Uri uri String mode throws FileNotFoundException ParcelFileDescriptor pipe..
android bluetooth can't connect http://stackoverflow.com/questions/17763779/android-bluetooth-cant-connect with no BluetoothManagerCallback 07 22 10 37 05.129 DEBUG BluetoothSocket 17512 connect SocketState INIT mPfd ParcelFileDescriptor FileDescriptor 98 07 22 10 37 40.757 DEBUG dalvikvm 17512 GC_CONCURRENT freed 6157K 9 free 62793K 68972K paused 7ms 7ms.. 07 22 10 37 05.129 DEBUG BluetoothSocket 17512 connect SocketState INIT mPfd ParcelFileDescriptor FileDescriptor 98 07 22 10 37 40.757 DEBUG dalvikvm 17512 GC_CONCURRENT freed 6157K 9 free 62793K 68972K paused 7ms 7ms total 72ms 07 22..
How to run terminal command in Android application? http://stackoverflow.com/questions/2843250/how-to-run-terminal-command-in-android-application execClass.getMethod createSubprocess String.class String.class String.class int .class int pid new int 1 FileDescriptor fd FileDescriptor createSubprocess.invoke null system bin ls null pid BufferedReader reader new BufferedReader new InputStreamReader.. createSubprocess String.class String.class String.class int .class int pid new int 1 FileDescriptor fd FileDescriptor createSubprocess.invoke null system bin ls null pid BufferedReader reader new BufferedReader new InputStreamReader new FileInputStream..
android code for streaming shoutcast stream breaks in 2.2 http://stackoverflow.com/questions/3834548/android-code-for-streaming-shoutcast-stream-breaks-in-2-2 MediaPlayer what with extra extra return false It appears that for security permission reasons it is better to pass a FileDescriptor rather than a direct path to the File. Also I have seen errors such as PVMFErrNotSupported and Prepare failed. status 0x1.. and Prepare failed. status 0x1 if a file path String is passed to setDataSource . So unless otherwise noted we use a FileDescriptor here. FileInputStream fis new FileInputStream mediaFile mPlayer.setDataSource fis.getFD mPlayer.prepare return mPlayer ..
Parcelable where/when is describeContents() used? http://stackoverflow.com/questions/4076946/parcelable-where-when-is-describecontents-used of object considered to have potential special significance when marshalled. Which really means If you need to put FileDescriptor object into Parceable you should must specify CONTENTS_FILE_DESCRIPTOR as return value of describeContents i.e. by special.. as return value of describeContents i.e. by special object in describeContents 's description they really mean FileDescriptor . This whole Parceable functionality looks unfinished read has bad design . There is one other strange thing in the docs..
http://stackoverflow.com/questions/5337505/android-capture-video-frame video frame capture share improve this question The following works for me public static Bitmap getVideoFrame FileDescriptor FD MediaMetadataRetriever retriever new MediaMetadataRetriever try retriever.setDataSource FD return retriever.getFrameAtTime..
http://stackoverflow.com/questions/571783/file-permissions-in-android a few props from the file I mean the owner the file the permissions read write etc. Looking around I found the classes FileDescriptor and FilePermission but I don't have an idea of which I can use them so I asking for some help about this Actually I'm using..
what is the use of MemoryFile in android http://stackoverflow.com/questions/8165216/what-is-the-use-of-memoryfile-in-android use with MemoryFile you can use the following fugly method import android.os.MemoryFile import android.os.ParcelFileDescriptor import java.io.FileDescriptor import java.lang.reflect.InvocationTargetException import java.lang.reflect.Method public.. can use the following fugly method import android.os.MemoryFile import android.os.ParcelFileDescriptor import java.io.FileDescriptor import java.lang.reflect.InvocationTargetException import java.lang.reflect.Method public class MemoryFileUtil private static.. import java.lang.reflect.Method public class MemoryFileUtil private static final Method sMethodGetParcelFileDescriptor private static final Method sMethodGetFileDescriptor static sMethodGetParcelFileDescriptor get getParcelFileDescriptor sMethodGetFileDescriptor..
http://stackoverflow.com/questions/8671479/android-mediaplayer-works-fine-in-custom-audio-streaming-application-up-to-andro guess that that NullPointerException is being reported by MediaPlayer but neither the FileInputStream nor the returned FileDescriptor can be null . 1 Prior to version 2.2 the media player wouldn't recognize ShoutCast streams with an ICY 1.1 version header..
Modifying FileInputStream for mediaPlayer setDataSource http://stackoverflow.com/questions/9257364/modifying-fileinputstream-for-mediaplayer-setdatasource the FileInputStream class so that I can open an encrypted file and use the stream for MediaPlayer's setDataSource FileDescriptor . Problem is I don't know which method should be overridden to do the decryption inside the stream. I tried overriding all.. any kind of InputStream. You can't modify data read from file that are used in MediaPlayer. MediaPlayer accepts FileDescriptor processed in native code as reads from real file no call back to Java . And MediaPlayer acceps http URL. If you really need..
MediaPlayer setDataSource, better to use path or FileDescriptor? http://stackoverflow.com/questions/9625680/mediaplayer-setdatasource-better-to-use-path-or-filedescriptor setDataSource better to use path or FileDescriptor Let's say I have a full path to a file. Which is the better approach to loading that file into a MediaPlayer String filePath.. Does it matter Simply using the path seems easier but is there a reason to do the extra work to use a FileDescriptor android share improve this question Actually it turns out that there IS a difference in certain situations. mediaPlayer.setDataSource.. ownerOnly to false...but that doesn't help you if you need to support older SDKs. HOWEVER mediaPlayer.setDataSource FileDescriptor fd does NOT have this problem and mediaplayer will successfully prepare the same exact file without a permission problem...
Can We Install an APK From a ContentProvider? http://stackoverflow.com/questions/9637629/can-we-install-an-apk-from-a-contentprovider would assume this is not possible as the Java API doesn't seem to allow it. ContentProvider's openFile returns a ParcelFileDescriptor from which you can obtain a java.io.FileDescriptor . You can then use this FileDescriptor to open either a FileInputStream.. seem to allow it. ContentProvider's openFile returns a ParcelFileDescriptor from which you can obtain a java.io.FileDescriptor . You can then use this FileDescriptor to open either a FileInputStream or a FileOutputStream . Unfortunately you can't.. openFile returns a ParcelFileDescriptor from which you can obtain a java.io.FileDescriptor . You can then use this FileDescriptor to open either a FileInputStream or a FileOutputStream . Unfortunately you can't use it to open a RandomAccessFile despite..
|
