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Code Issues Projects Releases Wiki Activity

Added FileObserver

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This commit is contained in:
daniel oeh
2012-12-23 11:29:09 +01:00
parent a0127ad755
commit 5d3f10575f
1 changed files with 71 additions and 1 deletions
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72
src/de/danoeh/antennapod/activity/DirectoryChooserActivity.java
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@ -7,6 +7,7 @@ import java.util.Collections;
import android.os.Bundle;
import android.os.Environment;
import android.os.FileObserver;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
@ -16,11 +17,13 @@ import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ImageButton;
import android.widget.ListView;
import android.widget.SlidingDrawer;
import android.widget.TextView;
import com.actionbarsherlock.app.SherlockActivity;
import com.actionbarsherlock.view.Menu;
import com.actionbarsherlock.view.MenuInflater;
import com.actionbarsherlock.view.MenuItem;
import de.danoeh.antennapod.AppConfig;
import de.danoeh.antennapod.PodcastApp;
@ -41,10 +44,13 @@ public class DirectoryChooserActivity extends SherlockActivity {
private File selectedDir;
private File[] filesInDir;
private FileObserver fileObserver;
@Override
protected void onCreate(Bundle savedInstanceState) {
setTheme(PodcastApp.getThemeResourceId());
super.onCreate(savedInstanceState);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
setContentView(R.layout.directory_chooser);
butConfirm = (Button) findViewById(R.id.butConfirm);
@ -102,6 +108,22 @@ public class DirectoryChooserActivity extends SherlockActivity {
changeDirectory(Environment.getExternalStorageDirectory());
}
@Override
protected void onPause() {
super.onPause();
if (fileObserver != null) {
fileObserver.stopWatching();
}
}
@Override
protected void onResume() {
super.onResume();
if (fileObserver != null) {
fileObserver.startWatching();
}
}
private void changeDirectory(File dir) {
if (dir != null && dir.isDirectory()) {
File[] contents = dir.listFiles();
@ -126,10 +148,14 @@ public class DirectoryChooserActivity extends SherlockActivity {
selectedDir = dir;
txtvSelectedFolder.setText(dir.getAbsolutePath());
listDirectoriesAdapter.notifyDataSetChanged();
fileObserver = createFileObserver(dir.getAbsolutePath());
fileObserver.startWatching();
if (AppConfig.DEBUG)
Log.d(TAG, "Changed directory to " + dir.getAbsolutePath());
} else {
if (AppConfig.DEBUG) Log.d(TAG, "Could not change folder: contents of dir were null");
if (AppConfig.DEBUG)
Log.d(TAG,
"Could not change folder: contents of dir were null");
}
} else {
if (dir == null) {
@ -142,10 +168,54 @@ public class DirectoryChooserActivity extends SherlockActivity {
}
}
private void refreshDirectory() {
if (selectedDir != null) {
changeDirectory(selectedDir);
}
}
private FileObserver createFileObserver(String path) {
return new FileObserver(path, FileObserver.CREATE | FileObserver.DELETE
| FileObserver.MOVED_FROM | FileObserver.MOVED_TO) {
@Override
public void onEvent(int event, String path) {
if (AppConfig.DEBUG)
Log.d(TAG, "FileObserver received event " + event);
runOnUiThread(new Runnable() {
@Override
public void run() {
refreshDirectory();
}
});
}
};
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = new MenuInflater(this);
inflater.inflate(R.menu.directory_chooser, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
finish();
return true;
case R.id.new_folder_item:
openNewFolderDialog();
return true;
default:
return false;
}
}
private void openNewFolderDialog() {
}
}