在我的应用程序中,我需要录制视频。在开始录制之前,我为其分配了名称和目录。录制完成后,用户可以重命名他的文件。我写了以下代码,但似乎它不起作用。
当用户输入文件名并单击按钮时,我会这样做:
private void setFileName(String text) {
String currentFileName = videoURI.substring(videoURI.lastIndexOf("/"), videoURI.length());
currentFileName = currentFileName.substring(1);
Log.i("Current file name", currentFileName);
File directory = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_MOVIES), MEDIA_NAME);
File from = new File(directory, "currentFileName");
File to = new File(directory, text.trim() + ".mp4");
from.renameTo(to);
Log.i("Directory is", directory.toString());
Log.i("Default path is", videoURI.toString());
Log.i("From path is", from.toString());
Log.i("To path is", to.toString());
}
文本:是用户输入的名称。当前文件名:是我在录制之前分配的名称 MEDIA_NAME:文件夹名称
Logcat 显示了这一点:
05-03 11:56:37.295: I/Current file name(12866): Mania-Karaoke_20120503_115528.mp4
05-03 11:56:37.295: I/Directory is(12866): /mnt/sdcard/Movies/Mania-Karaoke
05-03 11:56:37.295: I/Default path is(12866): /mnt/sdcard/Movies/Mania-Karaoke/Mania-Karaoke_20120503_115528.mp4
05-03 11:56:37.295: I/From path is(12866): /mnt/sdcard/Movies/Mania-Karaoke/currentFileName
05-03 11:56:37.295: I/To path is(12866): /mnt/sdcard/Movies/Mania-Karaoke/hesam.mp4
任何建议将不胜感激。