hey all,
could somebody please clue me in to why i'm not getting context menu
to show up with touch? it works fine if i use the keyboard.
public class ViewTasks extends ListActivity implements
View.OnCreateContextMenuListener {
private static final String TAG = "TT:ListActivity";
private static final int ACTIVITY_ADD=1;
private static final int ACTIVITY_EDIT=2;
private static final int DELETE_ID = Menu.FIRST;
private TaskDbAdapter _dbHelper;
private Cursor _taskCursor;
private SimpleDateFormat _listFormat = new SimpleDateFormat("MM-dd-
yy");
protected CharSequence[] _options;
protected boolean[] _selections;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
_dbHelper = new TaskDbAdapter(this);
try {
_dbHelper.open();
} catch (SQLException e) {
throw new RuntimeException(e);
}
_options = getResources().getStringArray(R.array.task_item);
_selections = new boolean[_options.length];
for (int i = 0; i < _selections.length; i++) {
_selections[i] = true;
}
fillData();
registerForContextMenu(getListView());
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.general_menu, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.add:
Intent i = new Intent(this, TrackTask.class);
startActivityForResult(i, ACTIVITY_ADD);
return true;
case R.id.export:
exportData();
break;
case R.id.filter:
showDialog(0);
break;
}
return super.onOptionsItemSelected(item);
}
@Override
public void onCreateContextMenu(ContextMenu menu, View view,
ContextMenuInfo menuInfoIn) {
menu.add(0, DELETE_ID, 0, R.string.menu_delete_task);
}
@Override
public boolean onContextItemSelected(MenuItem item) {
switch(item.getItemId()) {
case DELETE_ID:
AdapterContextMenuInfo info = (AdapterContextMenuInfo)
item.getMenuInfo();
_dbHelper.deleteTask(info.id);
fillData();
return true;
default: {
return super.onContextItemSelected(item);
}
}
}
@Override
protected Dialog onCreateDialog(int id) {
return
new AlertDialog.Builder(this)
.setTitle("Filter")
.setMultiChoiceItems(_options, _selections, new
DialogSelectionClickHandler())
.setPositiveButton("OK", new DialogButtonClickHandler() )
.create();
}
public class DialogSelectionClickHandler implements
DialogInterface.OnMultiChoiceClickListener {
public void onClick( DialogInterface dialog, int clicked,
boolean
selected ) {
Log.d( TAG, _options[ clicked ] + " selected: " +
selected );
}
}
public class DialogButtonClickHandler implements
DialogInterface.OnClickListener {
public void onClick( DialogInterface dialog, int clicked ) {
switch(clicked) {
case DialogInterface.BUTTON_POSITIVE:
fillData();
break;
}
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode,
Intent intent) {
super.onActivityResult(requestCode, resultCode, intent);
if(intent == null) return;
Bundle extras = intent.getExtras();
switch(requestCode) {
case ACTIVITY_EDIT:
Long rowId = extras.getLong(TaskDbAdapter.KEY_ROWID);
if (rowId != null) {
String item =
extras.getString(TaskDbAdapter.KEY_ITEM);
String category =
extras.getString(TaskDbAdapter.KEY_CATEGORY);
String note =
extras.getString(TaskDbAdapter.KEY_NOTE);
long date =
extras.getLong(TaskDbAdapter.KEY_DATE);
_dbHelper.updateTask(rowId, item, category, date,
note);
}
fillData();
break;
case ACTIVITY_ADD:
String item =
extras.getString(TaskDbAdapter.KEY_ITEM);
String category =
extras.getString(TaskDbAdapter.KEY_CATEGORY);
String note =
extras.getString(TaskDbAdapter.KEY_NOTE);
long date = extras.getLong(TaskDbAdapter.KEY_DATE);
Log.v(TAG, "Adding Task - "+ item + ":"+ category +
":"+ note
+ ":"+date);
_dbHelper.createTask(item, category, date, note);
fillData();
break;
}
}
private void exportData() {
Log.d(TAG, "exporting data");
try {
String state = Environment.getExternalStorageState();
if (Environment.MEDIA_MOUNTED.equals(state)) {}
File root = Environment.getExternalStorageDirectory();
if (root.canWrite()){
File csvFile = new File(root, "tanktracker-tasks.csv");
FileWriter csvWriter = new FileWriter(csvFile);
BufferedWriter out = new BufferedWriter(csvWriter);
_taskCursor.moveToFirst();
while (_taskCursor.isAfterLast() == false) {
out.write(_taskCursor.getString(1)+","+_taskCursor.getString(2)+","+new
Date(_taskCursor.getLong(3))+","+_taskCursor.getString(4)+"\n");
_taskCursor.moveToNext();
}
out.close();
Toast.makeText(this, "Tasks have been export to your SD
card", Toast.LENGTH_LONG).show();
} else {
Log.e(TAG, "Could not write to sdcard");
}
} catch (IOException e) {
Log.e(TAG, "Could not write file " + e.getMessage());
}
}
private void fillData() {
ArrayList<String> names = new ArrayList<String>();
for (int i = 0; i < _options.length; i++) {
String item = (String) _options[i];
if (_selections[i]) names.add(item);
}
_taskCursor = _dbHelper.fetchTasksByName(names);
startManagingCursor(_taskCursor);
String[] from = new String[] { TaskDbAdapter.KEY_ITEM,
TaskDbAdapter.KEY_CATEGORY, TaskDbAdapter.KEY_DATE };
int[] to = new int[] { R.id.category_entry, R.id.item_entry,
R.id.date_completed };
CustomListAdapter customListAdapter = new
CustomListAdapter(this,
R.layout.list_item, _taskCursor, from, to);
registerForContextMenu(getListView());
setListAdapter(customListAdapter);
}
final class CustomListAdapter extends SimpleCursorAdapter
implements View.OnClickListener {
public CustomListAdapter(Context context, int layout, Cursor c,
String[] from, int[] to) {
super(context, layout, c, from, to);
}
@Override
public View newView(Context context, Cursor cursor, ViewGroup
parent) {
LayoutInflater inflater =
(LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View view = inflater.inflate(R.layout.list_item, parent,
false);
view.setOnClickListener(this);
return view;
}
@Override
public void bindView(View view, Context context, Cursor c) {
TextView itemView = (TextView)
view.findViewById(R.id.item_entry);
TextView categoryView = (TextView)
view.findViewById(R.id.category_entry);
TextView dateView = (TextView)
view.findViewById(R.id.date_completed);
itemView.setText(c.getString(c.getColumnIndexOrThrow(TaskDbAdapter.KEY_ITEM)));
categoryView.setText(c.getString(c.getColumnIndexOrThrow(TaskDbAdapter.KEY_CATEGORY)));
dateView.setText(_listFormat.format(new
Date(c.getLong(c.getColumnIndexOrThrow(TaskDbAdapter.KEY_DATE)))));
// view.setBackgroundColor((c.getPosition() & 1) == 1 ?
Color.WHITE : Color.LTGRAY);
// view.setOnCreateContextMenuListener(ViewTasks.this);
// this
works - kinda of.. no ID
view.setTag(c.getPosition());
}
public void onClick(View v) {
int position = (Integer) v.getTag();
Log.d(TAG, "You clicked item #" + position);
Cursor c = getCursor();
c.moveToPosition(position);
Intent i = new Intent(v.getContext(), TrackTask.class);
i.putExtra(TaskDbAdapter.KEY_ROWID,
c.getLong(c.getColumnIndexOrThrow(TaskDbAdapter.KEY_ROWID)));
i.putExtra(TaskDbAdapter.KEY_ITEM,
c.getString(c.getColumnIndexOrThrow(TaskDbAdapter.KEY_ITEM)));
i.putExtra(TaskDbAdapter.KEY_CATEGORY,
c.getString(c.getColumnIndexOrThrow(TaskDbAdapter.KEY_CATEGORY)));
i.putExtra(TaskDbAdapter.KEY_NOTE,
c.getString(c.getColumnIndexOrThrow(TaskDbAdapter.KEY_NOTE)));
i.putExtra(TaskDbAdapter.KEY_DATE,
c.getLong(c.getColumnIndexOrThrow(TaskDbAdapter.KEY_DATE)));
startActivityForResult(i, ACTIVITY_EDIT);
}
}
}
----
main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/
android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent" >
<TextView android:id="@+id/TextView01"
android:layout_height="wrap_content"
android:text="put some more useful header here"
android:textStyle="normal|bold"
android:gravity="center_vertical|center_horizontal"
android:layout_width="fill_parent" />
<ListView android:id="@android:id/list"
android:layout_height="wrap_content"
android:layout_width="fill_parent" />
<TextView android:id="@+id/android:empty"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center_vertical|center_horizontal"
android:text="@string/nothing" />
</LinearLayout>
-----
list_item.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/
android"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal" >
<TextView
android:id="@+id/item_entry"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="left" />
<TextView
android:id="@+id/category_entry"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toRightOf="@id/item_entry"
android:gravity="right"
android:paddingLeft="8sp" />
<TextView
android:id="@+id/date_completed"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:gravity="right"
android:paddingLeft="4sp" />
</RelativeLayout>
---
thanks! deno
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