Changed project structure

Switched from custom layout to standard gradle project structure

1 files changed, 66 insertions, 0 deletions

diff --git a/app/src/main/java/de/danoeh/antennapod/util/StorageUtils.java b/app/src/main/java/de/danoeh/antennapod/util/StorageUtils.java
new file mode 100644
index 000000000..ff0bde280
--- /dev/null
+++ b/app/src/main/java/de/danoeh/antennapod/util/StorageUtils.java
@@ -0,0 +1,66 @@
+package de.danoeh.antennapod.util;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.Intent;
+import android.os.Build;
+import android.os.StatFs;
+import android.util.Log;
+import de.danoeh.antennapod.BuildConfig;
+import de.danoeh.antennapod.PodcastApp;
+import de.danoeh.antennapod.activity.StorageErrorActivity;
+import de.danoeh.antennapod.preferences.UserPreferences;
+
+import java.io.File;
+
+/** Utility functions for handling storage errors */
+public class StorageUtils {
+	private static final String TAG = "StorageUtils";
+
+	public static boolean storageAvailable(Context context) {
+		File dir = UserPreferences.getDataFolder(context, null);
+		if (dir != null) {
+			return dir.exists() && dir.canRead() && dir.canWrite();
+		} else {
+			if (BuildConfig.DEBUG)
+				Log.d(TAG, "Storage not available: data folder is null");
+			return false;
+		}
+	}
+
+	/**
+	 * 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(activity);
+		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(UserPreferences.getDataFolder(
+				PodcastApp.getInstance(), null).getAbsolutePath());
+        long availableBlocks;
+        long blockSize;
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
+		    availableBlocks = stat.getAvailableBlocksLong();
+            blockSize = stat.getBlockSizeLong();
+        } else {
+            availableBlocks = stat.getAvailableBlocks();
+            blockSize = stat.getBlockSize();
+        }
+		return availableBlocks * blockSize;
+	}
+}