Load Android SDCard Folder for different devices (Android Standard, Samsung Galaxy S, HTC Incredible)

SdcardFolder.java

	private String getSdcardFolder() {
		File externalStorage = Environment.getExternalStorageDirectory();
		if (externalStorage.exists() && externalStorage.canWrite()) {
			File trySubDir1 = new File(externalStorage, "external_sd");
			File trySubDir2 = new File(externalStorage, "sd");
			if (trySubDir1.exists() && trySubDir1.canWrite()) {
				return trySubDir1.getAbsolutePath();
			} else if (trySubDir2.exists() && trySubDir2.canWrite()) {
				return trySubDir2.getAbsolutePath();
			} else {
				return externalStorage.getAbsolutePath();
			}
		}
		
		String[] tryOtherSubDirs = new String[] {
				"/sdcard/external_sd",
				"/sdcard/sd",
				"/mnt/sdcard/external_sd",
				"/mnt/sdcard/sd",
				"/mnt/sdcard"
		};
		for (String trySubDir : tryOtherSubDirs) {
			File dir = new File(trySubDir);
			if (dir.exists() && dir.canWrite()) {
				return dir.getAbsolutePath();
			}
		}
		return "/sdcard";
	}