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package de.danoeh.antennapod.util;
import de.danoeh.antennapod.activity.StorageErrorActivity;
import android.app.Activity;
import android.content.Intent;
import android.os.Environment;
import android.os.StatFs;
/** Utility functions for handling storage errors */
public class StorageUtils {
public static boolean storageAvailable() {
String state = Environment.getExternalStorageState();
return state.equals(Environment.MEDIA_MOUNTED);
}
/**Checks if external storage is available. If external storage isn't
* available, the current activity is finsished an an error activity is launched.
* @param activity the activity which would be finished if no storage is available
* @return true if external storage is available
*/
public static boolean checkStorageAvailability(Activity activity) {
boolean storageAvailable = storageAvailable();
if (!storageAvailable) {
activity.finish();
activity.startActivity(new Intent(activity, StorageErrorActivity.class));
}
return storageAvailable;
}
/** Get the number of free bytes that are available on the external storage. */
public static long getFreeSpaceAvailable() {
StatFs stat = new StatFs(Environment.getExternalStorageDirectory().getPath());
long availableBlocks = stat.getAvailableBlocks();
long blockSize = stat.getBlockSize();
return availableBlocks * blockSize;
}
public static boolean externalStorageMounted() {
return Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED);
}
}
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