A3DSelectorpublic class A3DSelector extends android.app.ListActivity | A list view where the last item the user clicked is placed in
the "activated" state, causing its background to highlight. |
| Fields Summary |
|---|
| File[] | mCurrentSubList | | File | mCurrentFile |
| Methods Summary |
|---|
| public void | onCreate(android.os.Bundle savedInstanceState)
super.onCreate(savedInstanceState);
populateList(new File("/sdcard/"));
| | protected void | onListItemClick(android.widget.ListView l, android.view.View v, int position, long id)
if (position == 0) {
File parent = mCurrentFile.getParentFile();
if (parent == null) {
return;
}
populateList(parent);
return;
}
// the first thing in list is parent directory
File selectedFile = mCurrentSubList[position - 1];
if (selectedFile.isDirectory()) {
populateList(selectedFile);
return;
}
Intent resultIntent = new Intent();
resultIntent.setData(Uri.fromFile(selectedFile));
setResult(RESULT_OK, resultIntent);
finish();
| | private void | populateList(java.io.File file)
mCurrentFile = file;
setTitle(mCurrentFile.getAbsolutePath() + "/*.a3d");
List<String> names = new ArrayList<String>();
names.add("..");
mCurrentSubList = mCurrentFile.listFiles(new A3DFilter());
if (mCurrentSubList != null) {
for (int i = 0; i < mCurrentSubList.length; i ++) {
String fileName = mCurrentSubList[i].getName();
if (mCurrentSubList[i].isDirectory()) {
fileName = "/" + fileName;
}
names.add(fileName);
}
}
// Use the built-in layout for showing a list item with a single
// line of text whose background is changes when activated.
setListAdapter(new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_activated_1, names));
getListView().setTextFilterEnabled(true);
// Tell the list view to show one checked/activated item at a time.
getListView().setChoiceMode(ListView.CHOICE_MODE_SINGLE);
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