Examples with ListAdapter android.widget.ListAdapter used on opensource projects

Example 36 with ListAdapter

use of android.widget.ListAdapter in project android-topeka by googlesamples.

the class SelectItemQuizView method setUserInput.

@Override
public void setUserInput(Bundle savedInput) {
    if (savedInput == null) {
        return;
    }
    mAnswers = savedInput.getBooleanArray(KEY_ANSWERS);
    if (mAnswers == null) {
        return;
    }
    final ListAdapter adapter = mListView.getAdapter();
    for (int i = 0; i < mAnswers.length; i++) {
        mListView.performItemClick(mListView.getChildAt(i), i, adapter.getItemId(i));
    }
}

Example 37 with ListAdapter

use of android.widget.ListAdapter in project material by rey5137.

the class ListPopupWindow method performItemClick.

/**
     * Perform an item click operation on the specified list adapter position.
     *
     * @param position Adapter position for performing the click
     * @return true if the click action could be performed, false if not.
     *         (e.g. if the popup was not showing, this method would return false.)
     */
public boolean performItemClick(int position) {
    if (isShowing()) {
        if (mItemClickListener != null) {
            final DropDownListView list = mDropDownList;
            final View child = list.getChildAt(position - list.getFirstVisiblePosition());
            final ListAdapter adapter = list.getAdapter();
            mItemClickListener.onItemClick(list, child, position, adapter.getItemId(position));
        }
        return true;
    }
    return false;
}

Example 38 with ListAdapter

use of android.widget.ListAdapter in project material by rey5137.

the class ListPopupWindow method onKeyDown.

/**
     * Filter key down events. By forwarding key down events to this function,
     * views using non-modal ListPopupWindow can have it handle key selection of items.
     *
     * @param keyCode keyCode param passed to the host view's onKeyDown
     * @param event event param passed to the host view's onKeyDown
     * @return true if the event was handled, false if it was ignored.
     *
     * @see #setModal(boolean)
     */
public boolean onKeyDown(int keyCode, KeyEvent event) {
    // when the drop down is shown, we drive it directly
    if (isShowing()) {
        // to select one of its items
        if (keyCode != KeyEvent.KEYCODE_SPACE && (mDropDownList.getSelectedItemPosition() >= 0 || !isConfirmKey(keyCode))) {
            int curIndex = mDropDownList.getSelectedItemPosition();
            boolean consumed;
            final boolean below = !mPopup.isAboveAnchor();
            final ListAdapter adapter = mAdapter;
            boolean allEnabled;
            int firstItem = Integer.MAX_VALUE;
            int lastItem = Integer.MIN_VALUE;
            if (adapter != null) {
                allEnabled = adapter.areAllItemsEnabled();
                firstItem = allEnabled ? 0 : mDropDownList.lookForSelectablePosition(0, true);
                lastItem = allEnabled ? adapter.getCount() - 1 : mDropDownList.lookForSelectablePosition(adapter.getCount() - 1, false);
            }
            if ((below && keyCode == KeyEvent.KEYCODE_DPAD_UP && curIndex <= firstItem) || (!below && keyCode == KeyEvent.KEYCODE_DPAD_DOWN && curIndex >= lastItem)) {
                // When the selection is at the top, we block the key
                // event to prevent focus from moving.
                clearListSelection();
                mPopup.setInputMethodMode(PopupWindow.INPUT_METHOD_NEEDED);
                show();
                return true;
            } else {
                // WARNING: Please read the comment where mListSelectionHidden
                //          is declared
                mDropDownList.mListSelectionHidden = false;
            }
            consumed = mDropDownList.onKeyDown(keyCode, event);
            if (DEBUG)
                Log.v(TAG, "Key down: code=" + keyCode + " list consumed=" + consumed);
            if (consumed) {
                // If it handled the key event, then the user is
                // navigating in the list, so we should put it in front.
                mPopup.setInputMethodMode(PopupWindow.INPUT_METHOD_NOT_NEEDED);
                // Here's a little trick we need to do to make sure that
                // the list view is actually showing its focus indicator,
                // by ensuring it has focus and getting its window out
                // of touch mode.
                mDropDownList.requestFocusFromTouch();
                show();
                switch(keyCode) {
                    // next component
                    case KeyEvent.KEYCODE_ENTER:
                    case KeyEvent.KEYCODE_DPAD_CENTER:
                    case KeyEvent.KEYCODE_DPAD_DOWN:
                    case KeyEvent.KEYCODE_DPAD_UP:
                        return true;
                }
            } else {
                if (below && keyCode == KeyEvent.KEYCODE_DPAD_DOWN) {
                    // event to avoid going to the next focusable widget
                    if (curIndex == lastItem) {
                        return true;
                    }
                } else if (!below && keyCode == KeyEvent.KEYCODE_DPAD_UP && curIndex == firstItem) {
                    return true;
                }
            }
        }
    }
    return false;
}

Example 39 with ListAdapter

use of android.widget.ListAdapter in project facebook-android-sdk by facebook.

the class FullListView method onMeasure.

@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
    super.onMeasure(widthMeasureSpec, heightMeasureSpec);
    int width = getMeasuredWidth();
    int height = 0;
    ListAdapter adapter = getAdapter();
    int count = adapter != null ? adapter.getCount() : 0;
    for (int i = 0; i < count; i++) {
        View childView = adapter.getView(i, null, this);
        childView.measure(MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED), MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED));
        height += childView.getMeasuredHeight();
    }
    height += getDividerHeight() * (count - 1);
    setMeasuredDimension(width, height);
}

Example 40 with ListAdapter

use of android.widget.ListAdapter in project XobotOS by xamarin.

the class ListFragment method ensureList.

private void ensureList() {
    if (mList != null) {
        return;
    }
    View root = getView();
    if (root == null) {
        throw new IllegalStateException("Content view not yet created");
    }
    if (root instanceof ListView) {
        mList = (ListView) root;
    } else {
        mStandardEmptyView = (TextView) root.findViewById(com.android.internal.R.id.internalEmpty);
        if (mStandardEmptyView == null) {
            mEmptyView = root.findViewById(android.R.id.empty);
        } else {
            mStandardEmptyView.setVisibility(View.GONE);
        }
        mProgressContainer = root.findViewById(com.android.internal.R.id.progressContainer);
        mListContainer = root.findViewById(com.android.internal.R.id.listContainer);
        View rawListView = root.findViewById(android.R.id.list);
        if (!(rawListView instanceof ListView)) {
            throw new RuntimeException("Content has view with id attribute 'android.R.id.list' " + "that is not a ListView class");
        }
        mList = (ListView) rawListView;
        if (mList == null) {
            throw new RuntimeException("Your content must have a ListView whose id attribute is " + "'android.R.id.list'");
        }
        if (mEmptyView != null) {
            mList.setEmptyView(mEmptyView);
        } else if (mEmptyText != null) {
            mStandardEmptyView.setText(mEmptyText);
            mList.setEmptyView(mStandardEmptyView);
        }
    }
    mListShown = true;
    mList.setOnItemClickListener(mOnClickListener);
    if (mAdapter != null) {
        ListAdapter adapter = mAdapter;
        mAdapter = null;
        setListAdapter(adapter);
    } else {
        // have our data right away and start with the progress indicator.
        if (mProgressContainer != null) {
            setListShown(false, false);
        }
    }
    mHandler.post(mRequestFocus);
}