recording microphone for android

all the read events again according to the occurrence time. However, to simplify the design, the wall clock time to read the event is recorded directly here, although the time relationship between the different input nodes may be biased. But the direct order of the same input node is correct.The main style of the program is the C and C + + mix, the reason for using C + +, mainly because the use of template processing map and vector, so do not use the C language laborious Baja to implement the r

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. a

Open SCR screen Recorder, display the video Control Panel , click "Start" button to start recording;-There are two ways to stop recording. One is the lock screen, the lock screen after waiting for 2 seconds, the video file will be automatically saved to the SD card, the other is to reopen SCR screen Recorder, usually SCR will be resident in the notification bar, directly pull down the notification bar, clic

the call) executes in these several states. Attached: Android photo, video, audio code example Copy Code code as follows: Package com.cons.dcg.collect; Import Java.io.File;Import Java.text.SimpleDateFormat;Import java.util.*;Import android.app.*;Import android.content.Intent;Import Android.database.Cursor;Import Android.net.Uri;Import Android.os.AsyncTask;Import Android.os.Bundle;Import android.os.Environment;Import Android.provide

Before, wrote a blog about the recording of audio on Android, there are some problems are not resolved, here, do an optimizationThe previous blog,http://blog.csdn.net/u014620028/article/details/51283261optimize the place : There are multiple audio files, click A, play, a during playback, if you click A, stop playing; If you click B,a Stop, play B. Similar to the voice playback of QQNow the feature optimizat

Run Android video recording never getting started to the Getting Started series tutorial (b) ———— display the demo in the video image, we should be able to find that the direction of the video is wrong.Because of Android, the camera gives us the original direction of the video picture in this way:That is, even if you are holding a cell phone vertically, the camer

: file-save for web format ...Select Type: GIF typeTo make your files smaller, you can adjust the overall size of the picture before you enter it, and you can adjust the color and dither values.Finally click on the storage bar ~ ~ ~Note: If your video pixel is high, then in PS may be a lot of memory, this should be psychologically prepared AH ~ ~ResultsOverall tutorial is relatively simple, this morning when you see someone asked how, this is a coincidence ~ ~ ~ Haha=============================

, 144);Set a video frame numberRecorder.setvideoframerate (20);Set the path for video storagetry {File file =new file (Environment.getexternalstoragedirectory (). Getcanonicalpath (), "Myvideo.mp4");Recorder.setoutputfile (File.getabsolutepath ());Set previewRecorder.setpreviewdisplay (Surface.getholder (). Getsurface ());Prepare to recordRecorder.prepare ();} catch (IOException e) {E.printstacktrace ();}Recorder.start ();Change Recording statusIsreco

android-mediarecorder-Audio Recording-Warning-w/mediarecorder (13811): Mediarecorder went away with unhandled eventsAudio recording stop, logcat print the warning above, plus code " mmediarecorder.reset (); "Just OK." Mmediarecorder.stop (); Mmediarecorder.reset (); Mmediarecorder.release (); Mmediarecorder = null;

Preface-A good memory is not as bad as writing, recording the Android learning process encountered a variety of problem bugs. O (∩_∩) oErrorcaused by:android.content.res.resources$notfoundexception:string resource ID #0x0The reason for the error--usually the int data is assigned to a string, and then the TextView display will appear as above error.workaround -- use string.valueof or add "" after int dataFat

Android NDK course recording is now available, androidndk Recently, according to the company's arrangement, we have recorded the content developed by Android NDK. The overall course can be viewed on www.iotekclass.com, which will be displayed on a blog in the future. This course outline is as follows: Chapter 1 about NDK Chapter 1 about NDK Sec

Android recording implementation method (the most important is the trial method of MediaRecorder) package cn.eoe.record;import java.io.File;import java.io.IOException;import android.app.Activity;import android.media.MediaRecorder;import android.os.Bundle;import android.os.Environment;import android.view.View;import android.view.View.OnClickListener;public class MainActivity extends Activity {private OnClick

Android recording method (the most important is the trial method of MediaRecorder), androidrecorder package cn.eoe.record;import java.io.File;import java.io.IOException;import android.app.Activity;import android.media.MediaRecorder;import android.os.Bundle;import android.os.Environment;import android.view.View;import android.view.View.OnClickListener;public class MainActivity extends Activity {private OnCli

Vitamio:Https://github.com/yixia/VitamioBundle/releasesHttps://github.com/yixia/VitamioBundle/archive/v4.2.2.zipVitamio Study Address:https://github.com/yixia/VitamioBundle/wiki/Getting-StartedThe total steps:One: Import vitamio_lib PackageTwo: Videoview in the XML layout to replaceThree: All the packages in the Java file are imported from Vitamio_lib.Four: In the Java file before the Setcontentview to add judgment!!! Public void onCreate (Bundle b) { super.oncreate (b); if (!io.vov.vita

This is the feature that Android studio comes with, and there may be people who haven't found it, it's really simple, just look at the picture.There is no connection to the real machine or any virtual machine, the button is grayConnect to the true machine status:You can see the button to click on the status, click the screenshot button to try:You can also add borders, rotate, and so on, without demonstratingShort Video:Click Stop

I have encountered many problems when I am studying Android development these two days. Now I will record the mediarecorder () recording for my reference only ~~ Very convenient and simple ~~ Mediarecorder recorder = new mediarecorder (); // audio source mic recorder. setaudiosource (mediarecorder. audiosource. MIC); // content output format recorder. setoutputformat (mediarecorder. outputformat. three_gp

use of this, and then at the time of encoding using the I420bytes, the i420bytes by Xnv21bytes transformationprivate static void NV21toI420SemiPlanar(byte[] nv21bytes, byte[] i420bytes, int width, int height) { System.arraycopy(nv21bytes, 0, i420bytes, 0, width * height); for (int i = width * height; i We look at each time coding a frame into the mixer is what I do, the following code means to listen to the encoding of a frame before and after the state of the encoder changes and put the

, parameters can be judged by the camera's parameter, called as follows:[Java]View PlainCopy Mcamera.getparameters (). getsupportedvideosizes () But sometimes even if the correct parameters are set, you may need to call the following method before you start:[Java]View PlainCopy Mcamera.unlock (); This method from the method name is unlocked camera estimation is afraid to use the device conflict, the specific reason for later to see the camera related API description.

// mrecorder.setvideosize (280); // mrecorder.setvideoframerate (5); Mrecorder.setoutputfile (Viodfile.getabsolutepath ()); // Specify Surfaceview to preview the video Mrecorder.setpreviewdisplay (Sview.getholder (). Getsurface ()); Mrecorder.prepare (); // Start recording Comment out these two sentences// mrecorder.setvideosize (280); // mrecorder.setvideoframerate (

Specific performance: Call Mediarecorder's start () and stop () interval cannot be less than 1 seconds (sometimes more than 1 seconds), otherwise it will collapse. Error message: Java.lang.RuntimeException:stop failed. At Android.media.MediaRecorder.stop (Native method) Solution: Call Setonerrorlistener (null) before stop; it's OK! Related code: /** Start recording/@Override public MediaPart Startrecord () {if (Mmediaobject!