(A program source code that can record and play in real time is still worth looking at. After the program runs, click the menu and start to start recording, but it does not generate a sound file, but plays it in real time.
AudioTest\bin\com\twm\AudioTest.class
AudioTest\bin\com\twm\AudPly.class
AudioTest\bin\com\twm\AudRec.class
AudioTest\bin\com\twm\R$attr.class
AudioTest\bin\com\twm\R$layout.class
AudioTest\bin\com\twm\R$raw.class
AudioTest\bin\com\twm\R$string.class
AudioTest\bin\com\twm\R.class
AudioTest\bin\AudioTest.apk
AudioTest\bin\classes.dex
AudioTest\bin\resources.ap_
AudioTest\gen\com\twm\R.java
AudioTest\res\layout\main.xml
AudioTest\res\raw\libaaaa.so
AudioTest\res\values\strings.xml
AudioTest\src\com\twm\AudioTest.java
AudioTest\src\com\twm\AudPly.java
AudioTest\src\com\twm\AudRec.java
AudioTest\tests\src\com\twm\AudioTestTest.java
AudioTest\tests\AndroidManifest.xml
AudioTest\tests\build.properties
AudioTest\tests\build.xml
AudioTest\tests\default.properties
AudioTest\tests\local.properties
AudioTest\.classpath
AudioTest\.project
AudioTest\AndroidManifest.xml
AudioTest\build.properties
AudioTest\build.xml
AudioTest\default.properties
..... Too many files omitted)