Castopod
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AntennaPod
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Code Issues Packages Projects Releases Wiki Activity

Added documentation

This commit is contained in:
daniel oeh 2012-12-25 23:25:41 +01:00
parent 6f8a582710
commit 67622d447d
1 changed files with 23 additions and 1 deletions
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24
src/de/danoeh/antennapod/activity/DirectoryChooserActivity.java
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@ -33,7 +33,10 @@ import de.danoeh.antennapod.AppConfig;
import de.danoeh.antennapod.PodcastApp;
import de.danoeh.antennapod.R;
/** Let's the user choose a directory on the storage device. */
/**
* Let's the user choose a directory on the storage device. The selected folder
* will be sent back to the starting activity as an activity result.
*/
public class DirectoryChooserActivity extends SherlockActivity {
private static final String TAG = "DirectoryChooserActivity";
@ -47,6 +50,7 @@ public class DirectoryChooserActivity extends SherlockActivity {
private ArrayAdapter<String> listDirectoriesAdapter;
private ArrayList<String> filenames;
/** The directory that is currently being shown. */
private File selectedDir;
private File[] filesInDir;
@ -130,6 +134,14 @@ public class DirectoryChooserActivity extends SherlockActivity {
}
}
/**
* Change the directory that is currently being displayed.
*
* @param dir
* The file the activity should switch to. This File must be
* non-null and a directory, otherwise the displayed directory
* will not be changed
*/
private void changeDirectory(File dir) {
if (dir != null && dir.isDirectory()) {
File[] contents = dir.listFiles();
@ -174,12 +186,14 @@ public class DirectoryChooserActivity extends SherlockActivity {
}
}
/** Refresh the contents of the directory that is currently shown. */
private void refreshDirectory() {
if (selectedDir != null) {
changeDirectory(selectedDir);
}
}
/** Sets up a FileObserver to watch the current directory. */
private FileObserver createFileObserver(String path) {
return new FileObserver(path, FileObserver.CREATE | FileObserver.DELETE
| FileObserver.MOVED_FROM | FileObserver.MOVED_TO) {
@ -220,6 +234,10 @@ public class DirectoryChooserActivity extends SherlockActivity {
}
}
/**
* Shows a confirmation dialog that asks the user if he wants to create a
* new folder.
*/
private void openNewFolderDialog() {
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle(R.string.create_folder_label);
@ -248,6 +266,10 @@ public class DirectoryChooserActivity extends SherlockActivity {
builder.create().show();
}
/**
* Creates a new folder in the current directory with the name
* CREATE_DIRECTORY_NAME.
*/
private int createFolder() {
if (selectedDir != null && selectedDir.canWrite()) {
File newDir = new File(selectedDir, CREATE_DIRECTORY_NAME);