[Android] Achieve click to continue recording, release the end of the recording, and realize the size of the decibel to change the picture

dialog implementation of display recording size

public class Viocedomio {private Context mcontext;    Private Alertdialog Dialog;      Private Alertdialog.builder Adialogbuile;    Private ImageView vioce_show;    Public Viocedomio (Context mcontext) {this.mcontext=mcontext; } public void Showrecordingdialog () {adialogbuile = new Alertdialog.builder (Mcontext, R.style.theme_audiodialog          );          Layoutinflater inflater = Layoutinflater.from (Mcontext);          View view=inflater.inflate (r.layout.voice_chage,null);        vioce_show= (ImageView) View.findviewbyid (r.id.vioce_show);        Adialogbuile.setview (view);        Dialog = Adialogbuile.create ();        Dialog.show (); Dialog.    GetWindow (). setlayout (500, 450); } public void Hiderecordingdialog () {if (Dialog!=null && dialog.isshowing ()) {Dialog.dismiss            ();        Dialog=null;            }} public void Changerecordingdialog (double db) {//change size according to recorded decibel if (db>=1 && db<=18) { VIoce_show.setimageresource (r.drawable.voicesearch_feedback001);        }else if (db>=19 && db<=37) {vioce_show.setimageresource (r.drawable.voicesearch_feedback002); }else if (db>=19 && db<=37) {Vioce_show.setimageresource (r.drawable.voicesearch_feedback003)        ; } else if (db>=38 && db<=56) {Vioce_show.setimageresource (r.drawable.voicesearch_feedback0        04);        }else if (db>=57 && db<=75) {vioce_show.setimageresource (r.drawable.voicesearch_feedback005); }else if (db>=76 && db<=94) {Vioce_show.setimageresource (r.drawable.voicesearch_feedback006)        ;        }else if (db>=95 && db<=100) {vioce_show.setimageresource (r.drawable.voicesearch_feedback007); }    }}

dialog loaded XML page implementation

<relativelayout xmlns:android= "http://schemas.android.com/apk/res/android" xmlns:app= "http// Schemas.android.com/apk/res-auto "xmlns:tools=" Http://schemas.android.com/tools "android:layout_width=" Match_par Ent "android:layout_height=" 90DP "android:layout_margintop=" 5DP "android:id=" @+id/bianhua "> <image        View android:id= "@+id/vioce_show" android:layout_width= "wrap_content" android:layout_height= "50DP" Android:layout_alignparentbottom= "true" android:layout_alignparenttop= "true" Android:layout_centerhoriz Ontal= "true" android:src= "@drawable/voicesearch_feedback001"/> <textview android:id= "@+id/textview 1 "android:layout_width=" wrap_content "android:layout_height=" Wrap_content "Android:layout_alignparen        Tbottom= "true" android:layout_centerhorizontal= "true" android:text= "is recording" android:gravity= "Center"   /></relativelayout>

The main interface of the test

2. Activoti.xml

   <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"android:layout_width="match_parent"android:layout_height="match_parent"android:orientation="vertical" ><Button        android:id="@+id/speak"        android:layout_width="wrap_content"        android:layout_height="42dp"        android:layout_marginLeft="5dp"        android:layout_marginRight="5dp"        android:paddingLeft="10dp"        android:layout_weight="0.62"        android:background="@drawable/search_ba"        android:drawableLeft="@drawable/speak_1"         android:gravity="center"        android:text="按住请讲话！！！"        android:textSize="15sp"         android:singleLine="true"        android:visibility="gone"          /></LinearLayout >

3. Mainactiovity.java implementation

   protected void OnCreate (Bundle savedinstancestate) {super.oncreate (savedinstancestate);    Requestwindowfeature (Window.feature_no_title);    Setcontentview (R.layout.activoti);    Send= (Button) Findviewbyid (r.id.send);    Viocedomio=new Viocedomio (this);            Speak.setontouchlistener (New View.ontouchlistener () {public boolean OnTouch (View V, motionevent event) {            TODO auto-generated Method Stub countingthreadextends thend=new countingthreadextends (); if (Event.getaction () ==motionevent.action_down) {//If the button is in the pressed state//recording if (! Environment.getexternalstoragestate (). Equals (Android.os.Environment.MEDIA_MOUNTED)) {Toast.maketext (Ch                    Atactivity.this, "SD not", Toast.length_short). Show ();                return false;                } String sound_path=time_path+ "Sound.amr"; try{soundfile=new File (Environment.getexternalstoragedirectory (). GetcanonicalfiLe () + "/bishevoice/" +sound_path);                    LOG.D ("Send_filepath", Environment.getexternalstoragedirectory (). Getcanonicalfile () + "/bishevoice/" +sound_path);                    Mmedio=new Mediarecorder ();                    Mmedio.setaudiosource (MediaRecorder.AudioSource.MIC);                    Mmedio.setoutputformat (MediaRecorder.OutputFormat.THREE_GPP);                    Mmedio.setoutputfile (Soundfile.getabsolutepath ());                    Mmedio.setaudioencoder (MediaRecorder.AudioEncoder.AMR_NB);                        try{//create file, prepare to record soundfile.createnewfile ();                    Mmedio.prepare ();                    }catch (IllegalStateException e) {e.printstacktrace ();                    }//Start recording thend.start ();                    Mmedio.start ();                    Speak.settext ("Release Stop Recording");   Viocedomio.showrecordingdialog ();               Show the size of the recording     Final Handler Mhandler = new Handler () {@Override public voi D handlemessage (Message msg) {Viocedomio.                            Changerecordingdialog (Double.parsedouble (msg.obj.toString ()));                    }                        };                             The new Thread (new Runnable () {//Startup thread varies according to the recording display size @Override public void run () {                                TODO auto-generated Method Stub while (Mmedio!=null) {                                Double ratio = (double) mmedio.getmaxamplitude (); Double db = 0;//db if (ratio > 1) db = $ * Math.log                               Ten (ratio);                               LOG.D (TAG, decibel value: +db);                                   Mhandler.postdelayed (Mupdatemicstatustimer, SPACE); Message msg=newMessage ();                                msg.obj=db;                            Mhandler.sendmessage (msg);                }}). Start ();                }catch (Exception e) {e.printstacktrace (); }} if (Event.getaction () ==motionevent.action_up) {//If it is released if (soundfile! = null &am                        p;& soundfile.exists ()) {//Stop recording try {mmedio.setonerrorlistener (null);                        Mmedio.setoninfolistener (NULL);                        Mmedio.setpreviewdisplay (NULL);                        Mmedio.stop ();                        Thend.interrupt ();                    Timetask.cancel ();                    }catch (Exception e) {log.i ("Exception", Log.getstacktracestring (e));                    } mmedio.release ();                    Mmedio=null; Speak.settext ("Hold on Please speak!!!"                    ");                    String content= ""; if (Content.isempty ()) {Viocedomio.  Hiderecordingdialog (); Hidden recording flag msg msg=new msg (content,msg.type_sent,msg.type_sent_voice,integer.tostring (time_int), File_                        path);                        Msg.setchattype (0);                        Msglist.add (msg); Adapter.notifydatasetchanged (); When there is a new message, refresh the display in the ListView msglistview.setselection (Msglist.size ()-1);        Position the ListView to the last line}}}}: Return true; }    });

[Android] enables clicking on a continuous recording, releasing the end recording, and changing the picture with the size of the decibel