Android Media Recorder source code

View Code
 
1 package irdc. ex07_11;
2
3 import java. io. File;
4 import java. io. IOException;
5 import java. util. ArrayList;
6
7 import android. app. Activity;
8 import android. content. Intent;
9 import android. media. MediaRecorder;
10 import android.net. Uri;
11 import android. OS. Bundle;
12 import android. OS. Environment;
13 import android. view. View;
14 import android. widget. AdapterView;
15 import android. widget. ArrayAdapter;
16 import android. widget. CheckedTextView;
17 import android. widget. ImageButton;
18 import android. widget. ListView;
19 import android. widget. TextView;
20 import android. widget. Toast;
21
22 public class EX07_11 extends Activity
23 {
24 private ImageButton myButton1;
25 private ImageButton myButton2;
26 private ImageButton myButton3;
27 private ImageButton myButton4;
28
29 private ListView myListView1;
30 private String strTempFile = "ex07_11 _";
31 private File myRecAudioFile;
32 private File myRecAudioDir; // obtain the SD card path
33 private File myPlayFile;
34 private MediaRecorder mMediaRecorder01;
35
36 private ArrayList <String> recordFiles;
37 private ArrayAdapter <String> adapter; // The adapter used for ListView
38 private TextView myTextView1;
39 private boolean sdCardExit;
40 private boolean isStopRecord;
41
42/** Called when the activity is first created .*/
43 @ Override
44 public void onCreate (Bundle savedInstanceState)
45 {
46 super. onCreate (savedInstanceState );
47 setContentView (R. layout. main );
48 // four control buttons (recording, stopping, playing, and deleting)
49 myButton1 = (ImageButton) findViewById (R. id. ImageButton01 );
50 myButton2 = (ImageButton) findViewById (R. id. ImageButton02 );
51 myButton3 = (ImageButton) findViewById (R. id. ImageButton03 );
52 myButton4 = (ImageButton) findViewById (R. id. ImageButton04 );
53 // list all audio files in amr format in the specified folder
54 myListView1 = (ListView) findViewById (R. id. ListView01 );
55 myTextView1 = (TextView) findViewById (R. id. TextView01 );
56
57 myButton2.setEnabled (false );
58 myButton3.setEnabled (false );
59 myButton4.setEnabled (false );
 
Layout file main. xml
View Code
 
1 <? Xml version = "1.0" encoding = "UTF-8"?>
2 <LinearLayout xmlns: android = "http://schemas.android.com/apk/res/android"
3 android: orientation = "vertical" android: layout_width = "fill_parent"
4 android: layout_height = "fill_parent" android: background = "@ drawable/white">
5 <LinearLayout android: id = "@ + id/LinearLayout01"
6 android: layout_width = "wrap_content" android: layout_height = "wrap_content">
7 <ImageButton android: id = "@ + id/ImageButton01"
8 android: layout_width = "wrap_content" android: layout_height = "wrap_content"
9 android: src = "@ drawable/record">
10 </ImageButton>
11 <ImageButton android: id = "@ + id/ImageButton02"
12 android: layout_width = "wrap_content" android: layout_height = "wrap_content"
13 android: src = "@ drawable/stop">
14 </ImageButton>
15 <ImageButton android: id = "@ + id/ImageButton03"
16 android: layout_width = "wrap_content" android: layout_height = "wrap_content"
17 android: src = "@ drawable/play">
18 </ImageButton>
19 <ImageButton android: id = "@ + id/ImageButton04"
20 android: layout_width = "wrap_content" android: layout_height = "wrap_content"
21 android: src = "@ drawable/delete">
22 </ImageButton>
23 </LinearLayout>
24 <TextView android: id = "@ + id/TextView01" android: layout_width = "wrap_content"
25 android: layout_height = "wrap_content" android: textColor = "@ drawable/black">
26 </TextView>
27 <ListView android: id = "@ + id/ListView01" android: layout_width = "wrap_content"
28 android: layout_height = "wrap_content" android: background = "@ drawable/black">
29 </ListView>
30 </LinearLayout>
 
My_simple_list_item.xml File
View Code
1 <? Xml version = "1.0" encoding = "UTF-8"?>
2 <CheckedTextView xmlns: android = "http://schemas.android.com/apk/res/android"
3 android: id = "@ + id/myCheckedTextView1" android: layout_width = "fill_parent"
4 android: layout_height = "fill_parent" android: textColor = "@ drawable/white"/>
Permission settings
<Uses-permission android: name = "android. permission. RECORD_AUDIO"/>

 

From myphoebe