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我正在我的 Android 应用程序中录制视频。但想在达到最大文件大小时显示消息。我不明白为什么在达到最大文件大小时没有在下面的代码中调用MediaRecorder's来保存文件?onInfoListener

final Context activity=this.getBaseContext();

mediaRecorder.setOnInfoListener(new MediaRecorder.OnInfoListener() {

    public void onInfo(MediaRecorder mr, int what, int extra) {
    // TODO Auto-generated method stub

    if(what==MediaRecorder.MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED)
         Toast.makeText(activity, "There is no more space available. Video recording is stopped now.",2000).show();

    }
});

// getBytesAvailable() returns bytes available on sdcard
mediaRecorder.setMaxFileSize(getBytesAvailable());

mediaRecorder.prepare();

mediaRecorder.start();
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