Audio Capture

The Toast displays the name of the audio file created and played by the app. We can call the setDataSource method of a MediaPlayer only once; subsequent calls do nothing. We therefore create a new MediaPlayer before each call to setDataSource. See Audio Capture.

To do: the RelativeLayout can be a LinearLayout with android:gravity="center".

Source code in Capture.zip

1. CaptureActivity.java
2. main.xml creates two ToggleButtons, record and play.
3. AndroidManifest.xml contains
   1. <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
   2. <uses-permission android:name="android.permission.RECORD_AUDIO"/>

Things to try

1. Examine the sound file. Type the following command in the Mac Terminal or Windows Command Prompt window.

   cd Desktop
   adb shell ls -l /mnt/sdcard/capture.3gp
   ----rwxr-x system   sdcard_rw     5912 2011-06-28 21:01 capture.3gp
   

   adb pull /mnt/sdcard/capture.3gp
   58 KB/s (5912 bytes in 0.098s)
   

   dir capture.3gp
   06/28/2011  09:01 PM           5,912 capture.3gp