Android – Find all sdcards (internal and external)

package com.sapien.music.importer.util;

import java.io.File;

@SuppressLint("NewApi")
public class StorageOptions {
	public static String[] labels;
	public static String[] paths;
	public static int count = 0;

	private static Context sContext;
	private static ArrayList<String> sVold = new ArrayList<String>();

	public static void determineStorageOptions(Context context) {
		sContext = context.getApplicationContext();

		readVoldFile();

		testAndCleanList();

		setProperties();
	}

	private static void readVoldFile() {
		/*
		 * Scan the /system/etc/vold.fstab file and look for lines like this:
		 * dev_mount sdcard /mnt/sdcard 1
		 * /devices/platform/s3c-sdhci.0/mmc_host/mmc0
		 * 
		 * When one is found, split it into its elements and then pull out the
		 * path to the that mount point and add it to the arraylist
		 * 
		 * some devices are missing the vold file entirely so we add a path here
		 * to make sure the list always includes the path to the first sdcard,
		 * whether real or emulated.
		 */

		sVold.add("/mnt/sdcard");

		try {
			Scanner scanner = new Scanner(new File("/system/etc/vold.fstab"));
			while (scanner.hasNext()) {
				String line = scanner.nextLine();
				if (line.startsWith("dev_mount")) {
					String[] lineElements = line.split(" ");
					String element = lineElements[2];

					if (element.contains(":"))
						element = element.substring(0, element.indexOf(":"));

					if (element.contains("usb"))
						continue;

					// don't add the default vold path
					// it's already in the list.
					if (!sVold.contains(element))
						sVold.add(element);
				}
			}
		} catch (Exception e) {
			// swallow - don't care
			e.printStackTrace();
		}
	}

	private static void testAndCleanList() {
		/*
		 * Now that we have a cleaned list of mount paths, test each one to make
		 * sure it's a valid and available path. If it is not, remove it from
		 * the list.
		 */

		for (int i = 0; i < sVold.size(); i++) {
			String voldPath = sVold.get(i);
			File path = new File(voldPath);
			if (!path.exists() || !path.isDirectory() || !path.canWrite())
				sVold.remove(i--);
		}
	}

	private static void setProperties() {
		/*
		 * At this point all the paths in the list should be valid. Build the
		 * public properties.
		 */

		ArrayList<String> labelList = new ArrayList<String>();

		int j = 0;
		if (sVold.size() > 0) {
			if (Build.VERSION.SDK_INT < Build.VERSION_CODES.GINGERBREAD)
				labelList.add("Auto");
			else if (Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) {
				if (Environment.isExternalStorageRemovable()) {
					labelList.add(sContext
							.getString(R.string.text_external_storage) + " 1");
					j = 1;
				} else
					labelList.add(sContext
							.getString(R.string.text_internal_storage));
			} else {
				if (!Environment.isExternalStorageRemovable()
						|| Environment.isExternalStorageEmulated())
					labelList.add(sContext
							.getString(R.string.text_internal_storage));
				else {
					labelList.add(sContext
							.getString(R.string.text_external_storage) + " 1");
					j = 1;
				}
			}

			if (sVold.size() > 1) {
				for (int i = 1; i < sVold.size(); i++) {
					labelList.add(sContext
							.getString(R.string.text_external_storage)
							+ " " + (i + j));
				}
			}
		}

		labels = new String[labelList.size()];
		labelList.toArray(labels);

		paths = new String[sVold.size()];
		sVold.toArray(paths);

		count = Math.min(labels.length, paths.length);

		/*
		 * don't need these anymore, clear the lists to reduce memory use and to
		 * prepare them for the next time they're needed.
		 */
		sVold.clear();
	}
}

Posted in android

8 things you should know before building a mobile app

Posted in Uncategorized

Updated Mobile Web App

tell_the_world

We’ve updated the mobile web version of Talking Points. It has more of the native app features and functions now.

Try it on your mobile device now: http://www.sapienmobile.com/talkingpoints/

 

Posted in Mobile Web Tagged

Android Growing Fast, Still Has Room

Posted in android

The Importance of A Mobile Website.

We all know that more often than not, you only get one chance to make an impression on a client or customer, and with more and more people browsing on mobile devices, your website needs to be mobile friendly. Freelance web designer and writer Scott Stanton talks about how you can save a poorly thought-out site from making or breaking your business.

View his thoughts on having a mobile website at the link below, and then when you are ready to mobilize your business, give us a call.

Posted in Mobile Web Tagged