media playback android

Android maintains many internal databases, such as media databases and contact databases. The Media Database receives intent. action_media_intent, intent. action_boot_complete, intent. action_media_scanner_scan_file and other peripherals such as the SD card are automatically scanned during broadcast, and information is obtained and written to the database. There

Sometimes, we take a picture or record a video, the library app does not recognize these newly generated files by default so open the library or video player found that the files are not found, you need to call Mediascanner scan to come out. A class was found from ffmpeg to scan media files. Public classFfmpegmediascannernotifierImplementsmediascannerconnectionclient {Privatemediascannerconnection mconnection; PrivateString MPath; PrivateFfmpegmediasc

byte[] suffix;protected byte[] PixelStack ;p rotected byte[] pixels;protected vector　　Control code:Package Com.android.view;import Android.content.context;import Android.content.res.typedarray;import Android.graphics.drawable.animationdrawable;import Android.graphics.drawable.bitmapdrawable;import Android.util.attributeset;import Android.view.view;import Com.gifdemo.r;public class GifView extends View {private Gifhelper ghelper;private animationdrawable animdrawable;public Gifview (context cont

In Android, you only need to use texttospeech to use the voice playback function. This class implements many speech-related functions. You must set the language for this class. Currently, five languages are supported, the cup holder does not support Chinese characters. The implementation is simple, but you must first install the Language Pack. In settings, set the language input and output, and set the Tex

void onpause () {mhaspaused = true; mhandler. removecallbacksandmessages (null); mvideoposition = mvideoview. getcurrentposition (); mbookmarker. setbookmark (muri, mvideoposition, mvideoview. getduration (); mvideoview. suspend (); mresumeabletime = system. currenttimemillis () + resumeable_timeout ;} Save status, save as bookmarks, call the videoview suspension method, which actually calls the videoview Release Method Sep 3. viewoview /** Release the

address 015D? 2) What is the virtual address corresponding to the physical address of 113C? 3) Process A has a job length of 8 pages, trying to access the virtual address 2a3d and save the integer 1 to the address of the physical address space, and then try to read the saved data from the address, will the a process this two times the memory access process can be normal execution? and explain why. 24. Based on the idea of fast sequencing, implement the following functions to find o

. setOutputFile (lastFileName ); Try { // Prepare for recording Mediarecorder. prepare (); // Start recording Mediarecorder. start (); } Catch (IllegalStateException e ){ // TODO Auto-generated catch block E. printStackTrace (); } Catch (IOException e ){ // TODO Auto-generated catch block E. printStackTrace (); } End Shooting: If (mediarecorder! = Null ){ // Stop Mediarecorder. stop (); Mediarecorder. release (); Mediarecorder = null; } Paste my own encapsulation class:Copy codeThe Code is as fo

microphone source Mediarecorder.setAudiosource (MediaRecorder.AudioSource.DEFAULT);//Set the recorded sound output format Mediarecorder.setoutputformat ( MediaRecorder.OutputFormat.DEFAULT);//Set the encoding format of the sound Mediarecorder.setaudioencoder ( MediaRecorder.AudioEncoder.DEFAULT)///Set the file path of the recording output (save) Mediarecorder.setoutputfile (File.getabsolutepath ()); try { Create file File.createnewfile ();//Prepare to record Mediarecorder.prepare ();} catch (Ex

Android Media (recording, playing music, playing video, etc) /*** Recording ** @ param incomingNumber */public void startRecorder (String incomingNumber) {// 1. create a recorder instance recorder = new MediaRecorder (); // 2. set the path of the data source (VOICE_CALL simulator and foreign mobile phones do not support) recorder. setAudioSource (MediaRecorder. audioSource. MIC); // 3. set the output file f