Java Code Examples for android.view.View#focusSearch()

The following examples show how to use android.view.View#focusSearch() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: base-module   File: TvGridLayout.java    License: Apache License 2.0 6 votes vote down vote up
private boolean checkIfOnBorder(int direction, int[] twoPage) {
    if (direction == FOCUS_LEFT || direction == FOCUS_RIGHT) {
        View view = getFocusedChild();
        View childView = findChildView(view);
        if (childView != null) {
            int curPage = ((LayoutParams) childView.getLayoutParams()).pageIndex;
            twoPage[0] = twoPage[1] = curPage;
            View nextFocusView = view.focusSearch(direction);
            View nextChildView = findChildView(nextFocusView);
            if (nextChildView == null) {
                return true;
            }
            int nextPage = ((LayoutParams) nextChildView.getLayoutParams()).pageIndex;
            twoPage[1] = nextPage;
            return curPage != nextPage;
        }
    }
    return false;
}
 
Example 2
private void nextFocus() {
    final View view = getCurrentFocus();
    if (!(view instanceof TextView))
        return;
    final View next = view.focusSearch(View.FOCUS_FORWARD);
    if (next != null)
        next.requestFocus();
}
 
Example 3
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    // We need to handle focus change within the SimpleMonthView because we are simulating
    // multiple Views. The arrow keys will move between days until there is no space (no
    // day to the left, top, right, or bottom). Focus forward and back jumps out of the
    // SimpleMonthView, skipping over other SimpleMonthViews in the parent ViewPager
    // to the next focusable View in the hierarchy.
    boolean focusChanged = false;
    switch (event.getKeyCode()) {
        case KeyEvent.KEYCODE_DPAD_LEFT:
            if (event.hasNoModifiers()) {
                focusChanged = moveOneDay(isLayoutRtl());
            }
            break;
        case KeyEvent.KEYCODE_DPAD_RIGHT:
            if (event.hasNoModifiers()) {
                focusChanged = moveOneDay(!isLayoutRtl());
            }
            break;
        case KeyEvent.KEYCODE_DPAD_UP:
            if (event.hasNoModifiers()) {
                ensureFocusedDay();
                if (mHighlightedDay > 7) {
                    mHighlightedDay -= 7;
                    focusChanged = true;
                }
            }
            break;
        case KeyEvent.KEYCODE_DPAD_DOWN:
            if (event.hasNoModifiers()) {
                ensureFocusedDay();
                if (mHighlightedDay <= mDaysInMonth - 7) {
                    mHighlightedDay += 7;
                    focusChanged = true;
                }
            }
            break;
        case KeyEvent.KEYCODE_DPAD_CENTER:
        case KeyEvent.KEYCODE_ENTER:
            if (mHighlightedDay != -1) {
                onDayClicked(mHighlightedDay);
                return true;
            }
            break;
        case KeyEvent.KEYCODE_TAB: {
            int focusChangeDirection = 0;
            if (event.hasNoModifiers()) {
                focusChangeDirection = View.FOCUS_FORWARD;
            } else if (event.hasModifiers(KeyEvent.META_SHIFT_ON)) {
                focusChangeDirection = View.FOCUS_BACKWARD;
            }
            if (focusChangeDirection != 0) {
                final ViewParent parent = getParent();
                // move out of the ViewPager next/previous
                View nextFocus = this;
                do {
                    nextFocus = nextFocus.focusSearch(focusChangeDirection);
                } while (nextFocus != null && nextFocus != this &&
                        nextFocus.getParent() == parent);
                if (nextFocus != null) {
                    nextFocus.requestFocus();
                    return true;
                }
            }
            break;
        }
    }
    if (focusChanged) {
        invalidate();
        return true;
    } else {
        return super.onKeyDown(keyCode, event);
    }
}
 
Example 4
public void nextFocus(View view) {
    View nextView;
    if ((nextView = view.focusSearch(FOCUS_DOWN)) != null)
        nextView.requestFocus();
}
 
Example 5
Source Project: DateTimePicker   File: SimpleMonthView.java    License: Apache License 2.0 4 votes vote down vote up
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    // We need to handle focus change within the SimpleMonthView because we are simulating
    // multiple Views. The arrow keys will move between days until there is no space (no
    // day to the left, top, right, or bottom). Focus forward and back jumps out of the
    // SimpleMonthView, skipping over other SimpleMonthViews in the parent ViewPager
    // to the next focusable View in the hierarchy.
    boolean focusChanged = false;
    switch (event.getKeyCode()) {
        case KeyEvent.KEYCODE_DPAD_LEFT:
            if (event.hasNoModifiers()) {
                focusChanged = moveOneDay(isLayoutRtl());
            }
            break;
        case KeyEvent.KEYCODE_DPAD_RIGHT:
            if (event.hasNoModifiers()) {
                focusChanged = moveOneDay(!isLayoutRtl());
            }
            break;
        case KeyEvent.KEYCODE_DPAD_UP:
            if (event.hasNoModifiers()) {
                ensureFocusedDay();
                if (mHighlightedDay > 7) {
                    mHighlightedDay -= 7;
                    focusChanged = true;
                }
            }
            break;
        case KeyEvent.KEYCODE_DPAD_DOWN:
            if (event.hasNoModifiers()) {
                ensureFocusedDay();
                if (mHighlightedDay <= mDaysInMonth - 7) {
                    mHighlightedDay += 7;
                    focusChanged = true;
                }
            }
            break;
        case KeyEvent.KEYCODE_DPAD_CENTER:
        case KeyEvent.KEYCODE_ENTER:
            if (mHighlightedDay != -1) {
                onDayClicked(mHighlightedDay);
                return true;
            }
            break;
        case KeyEvent.KEYCODE_TAB: {
            int focusChangeDirection = 0;
            if (event.hasNoModifiers()) {
                focusChangeDirection = View.FOCUS_FORWARD;
            } else if (event.hasModifiers(KeyEvent.META_SHIFT_ON)) {
                focusChangeDirection = View.FOCUS_BACKWARD;
            }
            if (focusChangeDirection != 0) {
                final ViewParent parent = getParent();
                // move out of the ViewPager next/previous
                View nextFocus = this;
                do {
                    nextFocus = nextFocus.focusSearch(focusChangeDirection);
                } while (nextFocus != null && nextFocus != this &&
                        nextFocus.getParent() == parent);
                if (nextFocus != null) {
                    nextFocus.requestFocus();
                    return true;
                }
            }
            break;
        }
    }
    if (focusChanged) {
        invalidate();
        return true;
    } else {
        return super.onKeyDown(keyCode, event);
    }
}
 
Example 6
Source Project: android_tv_metro   File: MetroLayout.java    License: Apache License 2.0 4 votes vote down vote up
@Override
public boolean dispatchKeyEvent(KeyEvent event) {
    // Handle automatic focus changes.
    if (event.getAction() == KeyEvent.ACTION_DOWN) {
        int direction = 0;
        switch (event.getKeyCode()) {
            case KeyEvent.KEYCODE_DPAD_LEFT:
                if (event.hasNoModifiers()) {
                    direction = View.FOCUS_LEFT;
                }
                break;
            case KeyEvent.KEYCODE_DPAD_RIGHT:
                if (event.hasNoModifiers()) {
                    direction = View.FOCUS_RIGHT;
                }
                break;
            case KeyEvent.KEYCODE_DPAD_UP:
                if (event.hasNoModifiers()) {
                    direction = View.FOCUS_UP;
                }
                break;
            case KeyEvent.KEYCODE_DPAD_DOWN:
                if (event.hasNoModifiers()) {
                    direction = View.FOCUS_DOWN;
                }
                break;
            case KeyEvent.KEYCODE_TAB:
                if (event.hasNoModifiers()) {
                    direction = View.FOCUS_FORWARD;
                } else if (event.hasModifiers(KeyEvent.META_SHIFT_ON)) {
                    direction = View.FOCUS_BACKWARD;
                }
                break;
        }
        if (direction == View.FOCUS_DOWN || direction == View.FOCUS_UP) {
            View focused = findFocus();
            if (focused != null) {
                View v = focused.focusSearch(direction);
                if (v == null) {
                    Utils.playKeySound(this, Utils.SOUND_ERROR_KEY);
                    mMetroCursorView.showIndicator();
                }
            }
        }
    }
    boolean ret = super.dispatchKeyEvent(event);
    return ret;
}