Android: How to initialize MediaRecorder without a valid surface for video preview?

Question

I am building a camera app, where videos are continuously being captured and saved to the SD card. The videos are short (few minutes), and their length are preset with setMa

Answer 1

You just have to create a surface with MediaCodec by adding the following line:

Surface  mySurface = MediaCodec.createPersistentInputSurface();
mMediaRecorder.setPreviewDisplay(mySurface);

...

mMediaRecorder.prepare();