Android Recording Video

Activity code:

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package eoe.demo.media;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.surfaceholder;import android.view.surfaceview;import  android.view.view;import android.view.view.onclicklistener;import android.widget.button;public  class videoactivity extends activity {private file myrecaudiofile;private  SurfaceView mSurfaceView;private SurfaceHolder mSurfaceHolder;private Button  buttonstart;private button buttonstop;private file dir;private mediarecorder  Recorder, @Overridepublic  void oncreate (bundle savedinstancestate)  {super.oncreate (　　Savedinstancestate);　　Setcontentview (R.layout.video);　　msurfaceview =  (Surfaceview)  findviewbyid (R.id.videoview); msurfaceholder = Msurfaceview.getholder ();　　Msurfaceholder.settype (surfaceholder.surface_type_push_buffers);　　Buttonstart= (Button) Findviewbyid (R.id.start);　　buttonstop= (Button) Findviewbyid (r.id.stop);　　File defaultdir = environment.getexternalstoragedirectory (); String path = defaultdir.getabsolutepath () +file.separator+ "V" +file.separator;//Create folder to store video dir　　 = new file (path);　　if (!dir.exists ()) {Dir.mkdir ();　　} recorder = new mediarecorder (); Buttonstart.setonclicklistener (New onclicklistener ()  {@Override Public void onclick (View　　 V)  {recorder (); }}); Buttonstop.setonclicklistener (New onclicklistener ()  {@Override Public void onclick (View　　　　 V)  {recorder.stop ();　　　　Recorder.reset ();　　　　Recorder.release ();　　　Recorder=null; }　　});} Public void recorder ()  {try {myrecaudiofile = file.createtempfile ("video",  ". 3gp", dir);//create temporary file Recorder.setpReviewdisplay (Msurfaceholder.getsurface ());//preview Recorder.setvideosource (MediaRecorder.VideoSource.CAMERA);//Video source Recorder.setaudiosource (MediaRecorder.AudioSource.MIC);  //recording source is microphone Recorder.setoutputformat (　　MediaRecorder.OutputFormat.THREE_GPP);//output format is 3gp recorder.setvideosize (800, 480);//Video size　　Recorder.setvideoframerate (15);//Video Frame Frequency recorder.setvideoencoder (MediaRecorder.VideoEncoder.H263);//Video encoding　　Recorder.setaudioencoder (MediaRecorder.AudioEncoder.AMR_NB);//Audio Codec recorder.setmaxduration (10000);//maximum duration　　Recorder.setoutputfile (Myrecaudiofile.getabsolutepath ());//save Path Recorder.prepare (); Recorder.start ();}　　　　 catch  (ioexception e)  {e.printstacktrace (); }　　　}}

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Layout code:

650) this.width=650; "src="/img/fz.gif "alt=" Copy Code "style=" border:0px; "/>

    <?xml version= "1.0"  encoding= "Utf-8"?>    < linearlayout     xmlns:android= "Http://schemas.android.com/apk/res/android"       android:orientation= "vertical"      android:layout_width= "fill_parent"       android:layout_height= "Fill_parent" >    <surfaceview android: Id= "@+id/videoview"      android:visibility= "visible"      android:layout_ Width= "320px"      android:layout_height= "240px" >    </surfaceview >    <RelativeLayout     android:layout_width= "Fill_parent"       android:layout_height= "Wrap_content" >    <Button      android:layout_width= "Wrap_content"      android:layout_height= "Wrap_content"  &nbSp   android:text= "Recording"      android:id= "@+id/start"/>    < button     android:layout_width= "Wrap_content"      android:layout_height = "Wrap_content"      android:layout_torightof= "@id/start"      android: text= "Stop"      android:id= "@+id/stop"/>    </relativelayout>     </LinearLayout>

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Androidmanifest.xml:

650) this.width=650; "src="/img/fz.gif "alt=" Copy Code "style=" border:0px; "/>

<!--grant the program the right to record sound--<uses-permission android:name= "Android.permission.RECORD_AUDIO"/> <!--grant the program use Like head of authority--<uses-permission android:name= "Android.permission.CAMERA"/> <uses-permission android:name= "Android.permission.MOUNT_UNMOUNT_FILESYSTEMS"/> <!--grant permission to use external storage--<uses-permission android:name= "a Ndroid.permission.WRITE_EXTERNAL_STORAGE "/>

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Android Recording Video