List of usage examples for android.widget ListAdapter getCount
int getCount();
From source file:cx.ring.fragments.CallListFragment.java
public void setGridViewHeight(GridView gridView, LinearLayout llMain) { ListAdapter listAdapter = gridView.getAdapter(); if (listAdapter == null) { return;/*from www .java 2s.c om*/ } int totalHeight = 0; int firstHeight = 0; int desiredWidth = View.MeasureSpec.makeMeasureSpec(gridView.getWidth(), View.MeasureSpec.AT_MOST); int rows = (listAdapter.getCount() + gridView.getNumColumns() - 1) / gridView.getNumColumns(); for (int i = 0; i < rows; i++) { if (i == 0) { View listItem = listAdapter.getView(i, null, gridView); listItem.measure(desiredWidth, View.MeasureSpec.UNSPECIFIED); firstHeight = listItem.getMeasuredHeight(); } totalHeight += firstHeight; } LinearLayout.LayoutParams params = (LinearLayout.LayoutParams) llMain.getLayoutParams(); params.height = (int) (totalHeight + (getResources().getDimension(R.dimen.contact_vertical_spacing) * (rows - 1) + llMain.getPaddingBottom() + llMain.getPaddingTop())); llMain.setLayoutParams(params); mHeader.requestLayout(); }
From source file:android.support.v7.internal.widget.ListViewCompat.java
/** * Measures the height of the given range of children (inclusive) and returns the height * with this ListView's padding and divider heights included. If maxHeight is provided, the * measuring will stop when the current height reaches maxHeight. * * @param widthMeasureSpec The width measure spec to be given to a child's * {@link View#measure(int, int)}. * @param startPosition The position of the first child to be shown. * @param endPosition The (inclusive) position of the last child to be * shown. Specify {@link #NO_POSITION} if the last child * should be the last available child from the adapter. * @param maxHeight The maximum height that will be returned (if all the * children don't fit in this value, this value will be * returned). * @param disallowPartialChildPosition In general, whether the returned height should only * contain entire children. This is more powerful--it is * the first inclusive position at which partial * children will not be allowed. Example: it looks nice * to have at least 3 completely visible children, and * in portrait this will most likely fit; but in * landscape there could be times when even 2 children * can not be completely shown, so a value of 2 * (remember, inclusive) would be good (assuming * startPosition is 0). * @return The height of this ListView with the given children. *//*from www. j a va 2 s .c om*/ public int measureHeightOfChildrenCompat(int widthMeasureSpec, int startPosition, int endPosition, final int maxHeight, int disallowPartialChildPosition) { final int paddingTop = getListPaddingTop(); final int paddingBottom = getListPaddingBottom(); final int paddingLeft = getListPaddingLeft(); final int paddingRight = getListPaddingRight(); final int reportedDividerHeight = getDividerHeight(); final Drawable divider = getDivider(); final ListAdapter adapter = getAdapter(); if (adapter == null) { return paddingTop + paddingBottom; } // Include the padding of the list int returnedHeight = paddingTop + paddingBottom; final int dividerHeight = ((reportedDividerHeight > 0) && divider != null) ? reportedDividerHeight : 0; // The previous height value that was less than maxHeight and contained // no partial children int prevHeightWithoutPartialChild = 0; View child = null; int viewType = 0; int count = adapter.getCount(); for (int i = 0; i < count; i++) { int newType = adapter.getItemViewType(i); if (newType != viewType) { child = null; viewType = newType; } child = adapter.getView(i, child, this); // Compute child height spec int heightMeasureSpec; final ViewGroup.LayoutParams childLp = child.getLayoutParams(); if (childLp != null && childLp.height > 0) { heightMeasureSpec = MeasureSpec.makeMeasureSpec(childLp.height, MeasureSpec.EXACTLY); } else { heightMeasureSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED); } child.measure(widthMeasureSpec, heightMeasureSpec); if (i > 0) { // Count the divider for all but one child returnedHeight += dividerHeight; } returnedHeight += child.getMeasuredHeight(); if (returnedHeight >= maxHeight) { // We went over, figure out which height to return. If returnedHeight > // maxHeight, then the i'th position did not fit completely. return (disallowPartialChildPosition >= 0) // Disallowing is enabled (> -1) && (i > disallowPartialChildPosition) // We've past the min pos && (prevHeightWithoutPartialChild > 0) // We have a prev height && (returnedHeight != maxHeight) // i'th child did not fit completely ? prevHeightWithoutPartialChild : maxHeight; } if ((disallowPartialChildPosition >= 0) && (i >= disallowPartialChildPosition)) { prevHeightWithoutPartialChild = returnedHeight; } } // At this point, we went through the range of children, and they each // completely fit, so return the returnedHeight return returnedHeight; }
From source file:org.getlantern.firetweet.fragment.support.BaseSupportListFragment.java
@Override public void onScroll(final AbsListView view, final int firstVisibleItem, final int visibleItemCount, final int totalItemCount) { mListScrollCounter.onScroll(view, firstVisibleItem, visibleItemCount, totalItemCount); final ListAdapter adapter = getListAdapter(); if (adapter == null) return;// ww w .ja v a 2s . c om final boolean reachedTop = firstVisibleItem == 0; final boolean reachedBottom = firstVisibleItem + visibleItemCount >= totalItemCount && totalItemCount >= visibleItemCount; if (mReachedBottom != reachedBottom) { mReachedBottom = reachedBottom; if (mReachedBottom && mNotReachedBottomBefore) { mNotReachedBottomBefore = false; return; } if (mReachedBottom && adapter.getCount() > visibleItemCount) { onReachedBottom(); } } if (mReachedTop != reachedTop) { mReachedTop = reachedTop; if (mReachedTop && mNotReachedTopBefore) { mNotReachedTopBefore = false; return; } if (mReachedTop && adapter.getCount() > visibleItemCount) { onReachedTop(); } } }
From source file:android.support.v7.widget.ListViewCompat.java
/** * Measures the height of the given range of children (inclusive) and returns the height * with this ListView's padding and divider heights included. If maxHeight is provided, the * measuring will stop when the current height reaches maxHeight. * * @param widthMeasureSpec The width measure spec to be given to a child's * {@link View#measure(int, int)}. * @param startPosition The position of the first child to be shown. * @param endPosition The (inclusive) position of the last child to be * shown. Specify {@link #NO_POSITION} if the last child * should be the last available child from the adapter. * @param maxHeight The maximum height that will be returned (if all the * children don't fit in this value, this value will be * returned). * @param disallowPartialChildPosition In general, whether the returned height should only * contain entire children. This is more powerful--it is * the first inclusive position at which partial * children will not be allowed. Example: it looks nice * to have at least 3 completely visible children, and * in portrait this will most likely fit; but in * landscape there could be times when even 2 children * can not be completely shown, so a value of 2 * (remember, inclusive) would be good (assuming * startPosition is 0). * @return The height of this ListView with the given children. *///from w w w.jav a 2 s . c om public int measureHeightOfChildrenCompat(int widthMeasureSpec, int startPosition, int endPosition, final int maxHeight, int disallowPartialChildPosition) { final int paddingTop = getListPaddingTop(); final int paddingBottom = getListPaddingBottom(); final int paddingLeft = getListPaddingLeft(); final int paddingRight = getListPaddingRight(); final int reportedDividerHeight = getDividerHeight(); final Drawable divider = getDivider(); final ListAdapter adapter = getAdapter(); if (adapter == null) { return paddingTop + paddingBottom; } // Include the padding of the list int returnedHeight = paddingTop + paddingBottom; final int dividerHeight = ((reportedDividerHeight > 0) && divider != null) ? reportedDividerHeight : 0; // The previous height value that was less than maxHeight and contained // no partial children int prevHeightWithoutPartialChild = 0; View child = null; int viewType = 0; int count = adapter.getCount(); for (int i = 0; i < count; i++) { int newType = adapter.getItemViewType(i); if (newType != viewType) { child = null; viewType = newType; } child = adapter.getView(i, child, this); // Compute child height spec int heightMeasureSpec; ViewGroup.LayoutParams childLp = child.getLayoutParams(); if (childLp == null) { childLp = generateDefaultLayoutParams(); child.setLayoutParams(childLp); } if (childLp.height > 0) { heightMeasureSpec = MeasureSpec.makeMeasureSpec(childLp.height, MeasureSpec.EXACTLY); } else { heightMeasureSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED); } child.measure(widthMeasureSpec, heightMeasureSpec); // Since this view was measured directly aginst the parent measure // spec, we must measure it again before reuse. child.forceLayout(); if (i > 0) { // Count the divider for all but one child returnedHeight += dividerHeight; } returnedHeight += child.getMeasuredHeight(); if (returnedHeight >= maxHeight) { // We went over, figure out which height to return. If returnedHeight > // maxHeight, then the i'th position did not fit completely. return (disallowPartialChildPosition >= 0) // Disallowing is enabled (> -1) && (i > disallowPartialChildPosition) // We've past the min pos && (prevHeightWithoutPartialChild > 0) // We have a prev height && (returnedHeight != maxHeight) // i'th child did not fit completely ? prevHeightWithoutPartialChild : maxHeight; } if ((disallowPartialChildPosition >= 0) && (i >= disallowPartialChildPosition)) { prevHeightWithoutPartialChild = returnedHeight; } } // At this point, we went through the range of children, and they each // completely fit, so return the returnedHeight return returnedHeight; }
From source file:com.tr.ui.widgets.HorizontalListView.java
/** * Find a position that can be selected (i.e., is not a separator). * * @param position The starting position to look at. * @param lookDown Whether to look down for other positions. * @return The next selectable position starting at position and then searching either up or * down. Returns {@link #INVALID_POSITION} if nothing can be found. *//*from w ww . j a v a2s.com*/ private int lookForSelectablePosition(int position, boolean lookDown) { final ListAdapter adapter = mAdapter; if (adapter == null || isInTouchMode()) { return INVALID_POSITION; } final int count = adapter.getCount(); if (!adapter.areAllItemsEnabled()) { if (lookDown) { position = Math.max(0, position); while (position < count && !adapter.isEnabled(position)) { position++; } } else { position = Math.min(position, count - 1); while (position >= 0 && !adapter.isEnabled(position)) { position--; } } if (position < 0 || position >= count) { return INVALID_POSITION; } return position; } else { if (position < 0 || position >= count) { return INVALID_POSITION; } return position; } }
From source file:com.farmerbb.taskbar.service.StartMenuService.java
@SuppressLint("RtlHardcoded") private void drawStartMenu() { IconCache.getInstance(this).clearCache(); final SharedPreferences pref = U.getSharedPreferences(this); final boolean hasHardwareKeyboard = getResources() .getConfiguration().keyboard != Configuration.KEYBOARD_NOKEYS; switch (pref.getString("show_search_bar", "keyboard")) { case "always": shouldShowSearchBox = true;/* w w w . j a va2s.c o m*/ break; case "keyboard": shouldShowSearchBox = hasHardwareKeyboard; break; case "never": shouldShowSearchBox = false; break; } // Initialize layout params windowManager = (WindowManager) getSystemService(WINDOW_SERVICE); U.setCachedRotation(windowManager.getDefaultDisplay().getRotation()); final WindowManager.LayoutParams params = new WindowManager.LayoutParams( WindowManager.LayoutParams.WRAP_CONTENT, WindowManager.LayoutParams.WRAP_CONTENT, WindowManager.LayoutParams.TYPE_PHONE, shouldShowSearchBox ? 0 : WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE | WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM, PixelFormat.TRANSLUCENT); // Determine where to show the start menu on screen switch (U.getTaskbarPosition(this)) { case "bottom_left": layoutId = R.layout.start_menu_left; params.gravity = Gravity.BOTTOM | Gravity.LEFT; break; case "bottom_vertical_left": layoutId = R.layout.start_menu_vertical_left; params.gravity = Gravity.BOTTOM | Gravity.LEFT; break; case "bottom_right": layoutId = R.layout.start_menu_right; params.gravity = Gravity.BOTTOM | Gravity.RIGHT; break; case "bottom_vertical_right": layoutId = R.layout.start_menu_vertical_right; params.gravity = Gravity.BOTTOM | Gravity.RIGHT; break; case "top_left": layoutId = R.layout.start_menu_top_left; params.gravity = Gravity.TOP | Gravity.LEFT; break; case "top_vertical_left": layoutId = R.layout.start_menu_vertical_left; params.gravity = Gravity.TOP | Gravity.LEFT; break; case "top_right": layoutId = R.layout.start_menu_top_right; params.gravity = Gravity.TOP | Gravity.RIGHT; break; case "top_vertical_right": layoutId = R.layout.start_menu_vertical_right; params.gravity = Gravity.TOP | Gravity.RIGHT; break; } // Initialize views int theme = 0; switch (pref.getString("theme", "light")) { case "light": theme = R.style.AppTheme; break; case "dark": theme = R.style.AppTheme_Dark; break; } ContextThemeWrapper wrapper = new ContextThemeWrapper(this, theme); layout = (StartMenuLayout) LayoutInflater.from(wrapper).inflate(layoutId, null); startMenu = (GridView) layout.findViewById(R.id.start_menu); if ((shouldShowSearchBox && !hasHardwareKeyboard) || Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP_MR1) layout.viewHandlesBackButton(); boolean scrollbar = pref.getBoolean("scrollbar", false); startMenu.setFastScrollEnabled(scrollbar); startMenu.setFastScrollAlwaysVisible(scrollbar); startMenu.setScrollBarStyle(scrollbar ? View.SCROLLBARS_OUTSIDE_INSET : View.SCROLLBARS_INSIDE_OVERLAY); if (pref.getBoolean("transparent_start_menu", false)) startMenu.setBackgroundColor(0); searchView = (SearchView) layout.findViewById(R.id.search); int backgroundTint = U.getBackgroundTint(this); FrameLayout startMenuFrame = (FrameLayout) layout.findViewById(R.id.start_menu_frame); FrameLayout searchViewLayout = (FrameLayout) layout.findViewById(R.id.search_view_layout); startMenuFrame.setBackgroundColor(backgroundTint); searchViewLayout.setBackgroundColor(backgroundTint); if (shouldShowSearchBox) { if (!hasHardwareKeyboard) searchView.setIconifiedByDefault(true); searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() { @Override public boolean onQueryTextSubmit(String query) { if (!hasSubmittedQuery) { ListAdapter adapter = startMenu.getAdapter(); if (adapter != null) { hasSubmittedQuery = true; if (adapter.getCount() > 0) { View view = adapter.getView(0, null, startMenu); LinearLayout layout = (LinearLayout) view.findViewById(R.id.entry); layout.performClick(); } else { if (pref.getBoolean("hide_taskbar", true) && !FreeformHackHelper.getInstance().isInFreeformWorkspace()) LocalBroadcastManager.getInstance(StartMenuService.this) .sendBroadcast(new Intent("com.farmerbb.taskbar.HIDE_TASKBAR")); else LocalBroadcastManager.getInstance(StartMenuService.this) .sendBroadcast(new Intent("com.farmerbb.taskbar.HIDE_START_MENU")); Intent intent = new Intent(Intent.ACTION_WEB_SEARCH); intent.putExtra(SearchManager.QUERY, query); intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); if (intent.resolveActivity(getPackageManager()) != null) startActivity(intent); else { Uri uri = new Uri.Builder().scheme("https").authority("www.google.com") .path("search").appendQueryParameter("q", query).build(); intent = new Intent(Intent.ACTION_VIEW); intent.setData(uri); intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); try { startActivity(intent); } catch (ActivityNotFoundException e) { /* Gracefully fail */ } } } } } return true; } @Override public boolean onQueryTextChange(String newText) { searchView.setIconified(false); View closeButton = searchView.findViewById(R.id.search_close_btn); if (closeButton != null) closeButton.setVisibility(View.GONE); refreshApps(newText, false); if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP_MR1) { new Handler().postDelayed(() -> { EditText editText = (EditText) searchView.findViewById(R.id.search_src_text); if (editText != null) { editText.requestFocus(); editText.setSelection(editText.getText().length()); } }, 50); } return true; } }); searchView.setOnQueryTextFocusChangeListener((view, b) -> { if (!hasHardwareKeyboard) { ViewGroup.LayoutParams params1 = startMenu.getLayoutParams(); params1.height = getResources().getDimensionPixelSize(b && !U.isServiceRunning(this, "com.farmerbb.secondscreen.service.DisableKeyboardService") ? R.dimen.start_menu_height_half : R.dimen.start_menu_height); startMenu.setLayoutParams(params1); } if (!b) { if (hasHardwareKeyboard && Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP_MR1) LocalBroadcastManager.getInstance(StartMenuService.this) .sendBroadcast(new Intent("com.farmerbb.taskbar.HIDE_START_MENU")); else { InputMethodManager imm = (InputMethodManager) getSystemService(INPUT_METHOD_SERVICE); imm.hideSoftInputFromWindow(view.getWindowToken(), 0); } } }); searchView.setImeOptions(EditorInfo.IME_ACTION_DONE | EditorInfo.IME_FLAG_NO_EXTRACT_UI); LinearLayout powerButton = (LinearLayout) layout.findViewById(R.id.power_button); powerButton.setOnClickListener(view -> { int[] location = new int[2]; view.getLocationOnScreen(location); openContextMenu(location); }); powerButton.setOnGenericMotionListener((view, motionEvent) -> { if (motionEvent.getAction() == MotionEvent.ACTION_BUTTON_PRESS && motionEvent.getButtonState() == MotionEvent.BUTTON_SECONDARY) { int[] location = new int[2]; view.getLocationOnScreen(location); openContextMenu(location); } return false; }); searchViewLayout.setOnClickListener(view -> searchView.setIconified(false)); startMenu.setOnItemClickListener((parent, view, position, id) -> { hideStartMenu(); AppEntry entry = (AppEntry) parent.getAdapter().getItem(position); U.launchApp(StartMenuService.this, entry.getPackageName(), entry.getComponentName(), entry.getUserId(StartMenuService.this), null, false, false); }); if (pref.getBoolean("transparent_start_menu", false)) layout.findViewById(R.id.search_view_child_layout).setBackgroundColor(0); } else searchViewLayout.setVisibility(View.GONE); textView = (TextView) layout.findViewById(R.id.no_apps_found); LocalBroadcastManager.getInstance(this).unregisterReceiver(toggleReceiver); LocalBroadcastManager.getInstance(this).unregisterReceiver(toggleReceiverAlt); LocalBroadcastManager.getInstance(this).unregisterReceiver(hideReceiver); LocalBroadcastManager.getInstance(this).registerReceiver(toggleReceiver, new IntentFilter("com.farmerbb.taskbar.TOGGLE_START_MENU")); LocalBroadcastManager.getInstance(this).registerReceiver(toggleReceiverAlt, new IntentFilter("com.farmerbb.taskbar.TOGGLE_START_MENU_ALT")); LocalBroadcastManager.getInstance(this).registerReceiver(hideReceiver, new IntentFilter("com.farmerbb.taskbar.HIDE_START_MENU")); handler = new Handler(); refreshApps(true); windowManager.addView(layout, params); }
From source file:net.naonedbus.fragment.CustomListFragment.java
@Override public void onLoadFinished(final Loader<AsyncResult<ListAdapter>> loader, final AsyncResult<ListAdapter> result) { if (DBG)/* www . j ava 2 s. c om*/ Log.d(LOG_TAG + "$" + getClass().getSimpleName(), "onLoadFinished " + result); if (result == null) { showMessage(mMessageEmptyTitleId, mMessageEmptySummaryId, mMessageEmptyDrawableId); return; } final Exception exception = result.getException(); if (exception == null) { final ListAdapter adapter = result.getResult(); setListAdapter(adapter); if (adapter == null) { showMessage(mMessageEmptyTitleId, mMessageEmptySummaryId, mMessageEmptyDrawableId); } else { adapter.registerDataSetObserver(new DataSetObserver() { @Override public void onChanged() { super.onChanged(); onListAdapterChange(adapter); } }); if (adapter.getCount() > 0) { if (mListViewStatePosition != -1 && isAdded()) { getListView().setSelectionFromTop(mListViewStatePosition, mListViewStateTop); mListViewStatePosition = -1; } showContent(); resetNextUpdate(); } else { showMessage(mMessageEmptyTitleId, mMessageEmptySummaryId, mMessageEmptyDrawableId); } } } else { int titleRes = R.string.error_title; int messageRes = R.string.error_summary; int drawableRes = R.drawable.warning; // Erreur rseau ou interne ? if (exception instanceof IOException) { titleRes = R.string.error_title_network; messageRes = R.string.error_summary_network; drawableRes = R.drawable.ic_thunderstorm; } else if (exception instanceof JSONException) { titleRes = R.string.error_title_webservice; messageRes = R.string.error_summary_webservice; } if (getListAdapter() == null || getListAdapter().isEmpty()) { showMessage(titleRes, messageRes, drawableRes); } else { Crouton.makeText(getActivity(), titleRes, Style.ALERT, (ViewGroup) getView()).show(); } Log.e(getClass().getSimpleName(), "Erreur de chargement.", exception); } onPostExecute(); }
From source file:com.actionbarsherlock.internal.widget.IcsListPopupWindow.java
private int measureHeightOfChildren(int widthMeasureSpec, int startPosition, int endPosition, final int maxHeight, int disallowPartialChildPosition) { final ListAdapter adapter = mAdapter; if (adapter == null) { return mDropDownList.getListPaddingTop() + mDropDownList.getListPaddingBottom(); }/*from ww w . ja va 2 s .c o m*/ // Include the padding of the list int returnedHeight = mDropDownList.getListPaddingTop() + mDropDownList.getListPaddingBottom(); final int dividerHeight = ((mDropDownList.getDividerHeight() > 0) && mDropDownList.getDivider() != null) ? mDropDownList.getDividerHeight() : 0; // The previous height value that was less than maxHeight and contained // no partial children int prevHeightWithoutPartialChild = 0; int i; View child; // mItemCount - 1 since endPosition parameter is inclusive endPosition = (endPosition == -1/*NO_POSITION*/) ? adapter.getCount() - 1 : endPosition; for (i = startPosition; i <= endPosition; ++i) { child = mAdapter.getView(i, null, mDropDownList); if (mDropDownList.getCacheColorHint() != 0) { child.setDrawingCacheBackgroundColor(mDropDownList.getCacheColorHint()); } measureScrapChild(child, i, widthMeasureSpec); if (i > 0) { // Count the divider for all but one child returnedHeight += dividerHeight; } returnedHeight += child.getMeasuredHeight(); if (returnedHeight >= maxHeight) { // We went over, figure out which height to return. If returnedHeight > maxHeight, // then the i'th position did not fit completely. return (disallowPartialChildPosition >= 0) // Disallowing is enabled (> -1) && (i > disallowPartialChildPosition) // We've past the min pos && (prevHeightWithoutPartialChild > 0) // We have a prev height && (returnedHeight != maxHeight) // i'th child did not fit completely ? prevHeightWithoutPartialChild : maxHeight; } if ((disallowPartialChildPosition >= 0) && (i >= disallowPartialChildPosition)) { prevHeightWithoutPartialChild = returnedHeight; } } // At this point, we went through the range of children, and they each // completely fit, so return the returnedHeight return returnedHeight; }
From source file:com.zgntech.core.view.HorizontalListView.java
@Override public void setSelection(int position) { mCurrentlySelectedAdapterIndex = position; ListAdapter adapter = getAdapter(); if (null != adapter && adapter.getCount() > 0 && null != getChildAt(0)) { int positionX = mCurrentlySelectedAdapterIndex * getChildAt(0).getWidth(); int maxWidth = adapter.getCount() * getChildAt(0).getWidth(); Log.d("aaaaa", "position:" + position + ",positionX:" + positionX + ",this.getWidth():" + this.getWidth() + ",maxWidth:" + maxWidth + ",this.getChildCount():" + this.getAdapter().getCount()); if (positionX <= 0) { positionX = 0;//from ww w.j av a 2 s . co m } if (positionX > maxWidth) { positionX = maxWidth; } scrollTo(positionX); } }
From source file:dev.ukanth.ufirewall.MainActivity.java
private void selectAllWifi(boolean flag) { if (this.listview == null) { this.listview = (ListView) this.findViewById(R.id.listview); }/*from w w w . j a v a2 s . c o m*/ ListAdapter adapter = listview.getAdapter(); int count = adapter.getCount(), item; if (adapter != null) { for (item = 0; item < count; item++) { PackageInfoData data = (PackageInfoData) adapter.getItem(item); if (data.uid != Api.SPECIAL_UID_ANY) { data.selected_wifi = flag; } setDirty(true); } ((BaseAdapter) adapter).notifyDataSetChanged(); } }