android.view.KeyEvent#hasModifiers ( )源码实例Demo

下面列出了android.view.KeyEvent#hasModifiers ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： DKVideoPlayer 文件： VerticalViewPager.java

/**
 * You can call this function yourself to have the scroll view perform
 * scrolling from a key event, just as if the event had been dispatched to
 * it by the view hierarchy.
 *
 * @param event The key event to execute.
 * @return Return true if the event was handled, else false.
 */
public boolean executeKeyEvent(KeyEvent event) {
    boolean handled = false;
    if (event.getAction() == KeyEvent.ACTION_DOWN) {
        switch (event.getKeyCode()) {
            case KeyEvent.KEYCODE_DPAD_LEFT:
                handled = arrowScroll(FOCUS_LEFT);
                break;
            case KeyEvent.KEYCODE_DPAD_RIGHT:
                handled = arrowScroll(FOCUS_RIGHT);
                break;
            case KeyEvent.KEYCODE_TAB:
                if (Build.VERSION.SDK_INT >= 11) {
                    if (event.hasNoModifiers()) {
                        handled = this.arrowScroll(2);
                    } else if (event.hasModifiers(1)) {
                        handled = this.arrowScroll(1);
                    }
                }
                break;
        }
    }
    return handled;
}

源代码2 项目： ncalc 文件： NineOldViewPager.java

/**
 * You can call this function yourself to have the scroll view perform
 * scrolling from a key event, just as if the event had been dispatched to
 * it by the view hierarchy.
 *
 * @param event The key event to execute.
 * @return Return true if the event was handled, else false.
 */
public boolean executeKeyEvent(KeyEvent event) {
    boolean handled = false;
    if (event.getAction() == KeyEvent.ACTION_DOWN) {
        switch (event.getKeyCode()) {
            case KeyEvent.KEYCODE_DPAD_LEFT:
                handled = arrowScroll(FOCUS_LEFT);
                break;
            case KeyEvent.KEYCODE_DPAD_RIGHT:
                handled = arrowScroll(FOCUS_RIGHT);
                break;
            case KeyEvent.KEYCODE_TAB:
                if (Build.VERSION.SDK_INT >= 11) {
                    // The focus finder had a bug handling FOCUS_FORWARD and FOCUS_BACKWARD
                    // before Android 3.0. Ignore the tab key on those devices.
                    if (event.hasNoModifiers()) {
                        handled = arrowScroll(FOCUS_FORWARD);
                    } else if (event.hasModifiers(KeyEvent.META_SHIFT_ON)) {
                        handled = arrowScroll(FOCUS_BACKWARD);
                    }
                }
                break;
        }
    }
    return handled;
}

源代码3 项目： AsteroidOSSync 文件： CustomViewPager.java

/**
 * You can call this function yourself to have the scroll view perform
 * scrolling from a key event, just as if the event had been dispatched to
 * it by the view hierarchy.
 *
 * @param event The key event to execute.
 * @return Return true if the event was handled, else false.
 */
public boolean executeKeyEvent(KeyEvent event) {
    boolean handled = false;
    if (event.getAction() == KeyEvent.ACTION_DOWN) {
        switch (event.getKeyCode()) {
            case KeyEvent.KEYCODE_DPAD_LEFT:
                handled = arrowScroll(FOCUS_LEFT);
                break;
            case KeyEvent.KEYCODE_DPAD_RIGHT:
                handled = arrowScroll(FOCUS_RIGHT);
                break;
            case KeyEvent.KEYCODE_TAB:
                if (Build.VERSION.SDK_INT >= 11) {
                    // The focus finder had a bug handling FOCUS_FORWARD and FOCUS_BACKWARD
                    // before Android 3.0. Ignore the tab key on those devices.
                    if (event.hasNoModifiers()) {
                        handled = arrowScroll(FOCUS_FORWARD);
                    } else if (event.hasModifiers(KeyEvent.META_SHIFT_ON)) {
                        handled = arrowScroll(FOCUS_BACKWARD);
                    }
                }
                break;
        }
    }
    return handled;
}

源代码4 项目： ticdesign 文件： VerticalViewPager.java

/**
 * You can call this function yourself to have the scroll view perform
 * scrolling from a key event, just as if the event had been dispatched to
 * it by the view hierarchy.
 *
 * @param event The key event to execute.
 * @return Return true if the event was handled, else false.
 */
public boolean executeKeyEvent(KeyEvent event) {
    boolean handled = false;
    if (event.getAction() == KeyEvent.ACTION_DOWN) {
        switch (event.getKeyCode()) {
            case KeyEvent.KEYCODE_DPAD_LEFT:
                handled = arrowScroll(FOCUS_LEFT);
                break;
            case KeyEvent.KEYCODE_DPAD_RIGHT:
                handled = arrowScroll(FOCUS_RIGHT);
                break;
            case KeyEvent.KEYCODE_TAB:
                if (Build.VERSION.SDK_INT >= 11) {
                    // The focus finder had a bug handling FOCUS_FORWARD and FOCUS_BACKWARD
                    // before Android 3.0. Ignore the tab key on those devices.
                    if (event.hasNoModifiers()) {
                        handled = arrowScroll(FOCUS_FORWARD);
                    } else if (event.hasModifiers(KeyEvent.META_SHIFT_ON)) {
                        handled = arrowScroll(FOCUS_BACKWARD);
                    }
                }
                break;
        }
    }
    return handled;
}

源代码5 项目： AppCompat-Extension-Library 文件： ViewPager.java

/**
 * You can call this function yourself to have the scroll view perform
 * scrolling from a key event, just as if the event had been dispatched to
 * it by the view hierarchy.
 *
 * @param event The key event to execute.
 * @return Return true if the event was handled, else false.
 */
public boolean executeKeyEvent(KeyEvent event) {
    boolean handled = false;
    if (event.getAction() == KeyEvent.ACTION_DOWN) {
        switch (event.getKeyCode()) {
            case KeyEvent.KEYCODE_DPAD_LEFT:
                handled = arrowScroll(FOCUS_LEFT);
                break;
            case KeyEvent.KEYCODE_DPAD_RIGHT:
                handled = arrowScroll(FOCUS_RIGHT);
                break;
            case KeyEvent.KEYCODE_TAB:
                if (Build.VERSION.SDK_INT >= 11) {
                    // The focus finder had a bug handling FOCUS_FORWARD and FOCUS_BACKWARD
                    // before Android 3.0. Ignore the tab key on those devices.
                    if (event.hasNoModifiers()) {
                        handled = arrowScroll(FOCUS_FORWARD);
                    } else if (event.hasModifiers(KeyEvent.META_SHIFT_ON)) {
                        handled = arrowScroll(FOCUS_BACKWARD);
                    }
                }
                break;
        }
    }
    return handled;
}

源代码6 项目： VelocityViewPager 文件： VelocityViewPager.java

/**
 * You can call this function yourself to have the scroll view perform
 * scrolling from a key event, just as if the event had been dispatched to
 * it by the view hierarchy.
 *
 * @param event The key event to execute.
 * @return Return true if the event was handled, else false.
 */
public boolean executeKeyEvent(KeyEvent event) {
    boolean handled = false;
    if (event.getAction() == KeyEvent.ACTION_DOWN) {
        switch (event.getKeyCode()) {
            case KeyEvent.KEYCODE_DPAD_LEFT:
                handled = arrowScroll(FOCUS_LEFT);
                break;
            case KeyEvent.KEYCODE_DPAD_RIGHT:
                handled = arrowScroll(FOCUS_RIGHT);
                break;
            case KeyEvent.KEYCODE_TAB:
                if (event.hasNoModifiers()) {
                    handled = arrowScroll(FOCUS_FORWARD);
                } else if (event.hasModifiers(KeyEvent.META_SHIFT_ON)) {
                    handled = arrowScroll(FOCUS_BACKWARD);
                }
                break;
        }
    }
    return handled;
}

源代码7 项目： appcan-android 文件： CustomViewAbove.java

/**
 * You can call this function yourself to have the scroll view perform
 * scrolling from a key event, just as if the event had been dispatched to
 * it by the view hierarchy.
 *
 * @param event The key event to execute.
 * @return Return true if the event was handled, else false.
 */
public boolean executeKeyEvent(KeyEvent event) {
    boolean handled = false;
    if (event.getAction() == KeyEvent.ACTION_DOWN) {
        switch (event.getKeyCode()) {
            case KeyEvent.KEYCODE_DPAD_LEFT:
                handled = arrowScroll(FOCUS_LEFT);
                break;
            case KeyEvent.KEYCODE_DPAD_RIGHT:
                handled = arrowScroll(FOCUS_RIGHT);
                break;
            case KeyEvent.KEYCODE_TAB:
                if (Build.VERSION.SDK_INT >= 11) {
                    // The focus finder had a bug handling FOCUS_FORWARD and FOCUS_BACKWARD
                    // before Android 3.0. Ignore the tab key on those devices.
                    if (event.hasNoModifiers()) {
                        handled = arrowScroll(FOCUS_FORWARD);
                    } else if (event.hasModifiers(KeyEvent.META_SHIFT_ON)) {
                        handled = arrowScroll(FOCUS_BACKWARD);
                    }
                }
                break;
        }
    }
    return handled;
}

源代码8 项目： CoolViewPager 文件： CoolViewPager.java

/**
 * You can call this function yourself to have the scroll view perform
 * scrolling from a key event, just as if the event had been dispatched to
 * it by the view hierarchy.
 *
 * @param event The key event to execute.
 * @return Return true if the event was handled, else false.
 */
public boolean executeKeyEvent(@NonNull KeyEvent event) {
    boolean handled = false;
    if (event.getAction() == KeyEvent.ACTION_DOWN) {
        switch (event.getKeyCode()) {
            case KeyEvent.KEYCODE_DPAD_LEFT:
                if (event.hasModifiers(KeyEvent.META_ALT_ON)) {
                    handled = pageLeft();
                } else {
                    handled = arrowScroll(FOCUS_LEFT);
                }
                break;
            case KeyEvent.KEYCODE_DPAD_RIGHT:
                if (event.hasModifiers(KeyEvent.META_ALT_ON)) {
                    handled = pageRight();
                } else {
                    handled = arrowScroll(FOCUS_RIGHT);
                }
                break;
            case KeyEvent.KEYCODE_TAB:
                if (event.hasNoModifiers()) {
                    handled = arrowScroll(FOCUS_FORWARD);
                } else if (event.hasModifiers(KeyEvent.META_SHIFT_ON)) {
                    handled = arrowScroll(FOCUS_BACKWARD);
                }
                break;
        }
    }
    return handled;
}

源代码9 项目： Android-Image-Slider 文件： SliderPager.java

/**
 * You can call this function yourself to have the scroll view perform
 * scrolling from a key event, just as if the event had been dispatched to
 * it by the view hierarchy.
 *
 * @param event The key event to execute.
 * @return Return true if the event was handled, else false.
 */
public boolean executeKeyEvent(@NonNull KeyEvent event) {
    boolean handled = false;
    if (event.getAction() == KeyEvent.ACTION_DOWN) {
        switch (event.getKeyCode()) {
            case KeyEvent.KEYCODE_DPAD_LEFT:
                if (event.hasModifiers(KeyEvent.META_ALT_ON)) {
                    handled = pageLeft();
                } else {
                    handled = arrowScroll(FOCUS_LEFT);
                }
                break;
            case KeyEvent.KEYCODE_DPAD_RIGHT:
                if (event.hasModifiers(KeyEvent.META_ALT_ON)) {
                    handled = pageRight();
                } else {
                    handled = arrowScroll(FOCUS_RIGHT);
                }
                break;
            case KeyEvent.KEYCODE_TAB:
                if (event.hasNoModifiers()) {
                    handled = arrowScroll(FOCUS_FORWARD);
                } else if (event.hasModifiers(KeyEvent.META_SHIFT_ON)) {
                    handled = arrowScroll(FOCUS_BACKWARD);
                }
                break;
        }
    }
    return handled;
}

源代码10 项目： LaunchEnr 文件： Launcher.java

@Override
public boolean onKeyShortcut(int keyCode, KeyEvent event) {
    if (event.hasModifiers(KeyEvent.META_CTRL_ON)) {
        switch (keyCode) {
            case KeyEvent.KEYCODE_A:
                if (mState == State.WORKSPACE) {
                    showAppsView(true, false);
                    return true;
                }
                break;
            case KeyEvent.KEYCODE_S: {
                View focusedView = getCurrentFocus();
                if (focusedView instanceof BubbleTextView
                        && focusedView.getTag() instanceof ItemInfo
                        && mAccessibilityDelegate.performAction(focusedView,
                                (ItemInfo) focusedView.getTag(),
                                LauncherAccessibilityDelegate.DEEP_SHORTCUTS)) {
                    PopupContainerWithArrow.getOpen(this).requestFocus();
                    return true;
                }
                break;
            }
            case KeyEvent.KEYCODE_O:
                if (new CustomActionsPopup(this, getCurrentFocus()).show()) {
                    return true;
                }
                break;
        }
    }
    return super.onKeyShortcut(keyCode, event);
}

源代码11 项目： Android-SDK-Demo 文件： SdkCenteredViewPager.java

/**
 * You can call this function yourself to have the scroll view perform scrolling from a key event, just as if the event had been dispatched to it by the view hierarchy.
 *
 * @param event The key event to execute.
 *
 * @return Return true if the event was handled, else false.
 */
public boolean executeKeyEvent(KeyEvent event)
{
    boolean handled = false;
    if ( event.getAction() == KeyEvent.ACTION_DOWN )
    {
        switch ( event.getKeyCode() )
        {
            case KeyEvent.KEYCODE_DPAD_LEFT:
                handled = arrowScroll( FOCUS_LEFT );
                break;
            case KeyEvent.KEYCODE_DPAD_RIGHT:
                handled = arrowScroll( FOCUS_RIGHT );
                break;
            case KeyEvent.KEYCODE_TAB:
                if ( Build.VERSION.SDK_INT >= 11 )
                {
                    // The focus finder had a bug handling FOCUS_FORWARD and FOCUS_BACKWARD
                    // before Android 3.0. Ignore the tab key on those devices.
                    if ( event.hasNoModifiers() )
                    {
                        handled = arrowScroll( FOCUS_FORWARD );
                    }
                    else if ( event.hasModifiers( KeyEvent.META_SHIFT_ON ) )
                    {
                        handled = arrowScroll( FOCUS_BACKWARD );
                    }
                }
                break;
        }
    }
    return handled;
}

源代码12 项目： Android-SDK-Demo 文件： SdkCenteredViewPager.java

/**
 * You can call this function yourself to have the scroll view perform scrolling from a key event, just as if the event had been dispatched to it by the view hierarchy.
 *
 * @param event The key event to execute.
 *
 * @return Return true if the event was handled, else false.
 */
public boolean executeKeyEvent(KeyEvent event)
{
    boolean handled = false;
    if ( event.getAction() == KeyEvent.ACTION_DOWN )
    {
        switch ( event.getKeyCode() )
        {
            case KeyEvent.KEYCODE_DPAD_LEFT:
                handled = arrowScroll( FOCUS_LEFT );
                break;
            case KeyEvent.KEYCODE_DPAD_RIGHT:
                handled = arrowScroll( FOCUS_RIGHT );
                break;
            case KeyEvent.KEYCODE_TAB:
                if ( Build.VERSION.SDK_INT >= 11 )
                {
                    // The focus finder had a bug handling FOCUS_FORWARD and FOCUS_BACKWARD
                    // before Android 3.0. Ignore the tab key on those devices.
                    if ( event.hasNoModifiers() )
                    {
                        handled = arrowScroll( FOCUS_FORWARD );
                    }
                    else if ( event.hasModifiers( KeyEvent.META_SHIFT_ON ) )
                    {
                        handled = arrowScroll( FOCUS_BACKWARD );
                    }
                }
                break;
        }
    }
    return handled;
}

源代码13 项目： android_9.0.0_r45 文件： SimpleMonthView.java

@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);
    }
}

源代码14 项目： DateTimePicker 文件： SimpleMonthView.java

@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);
    }
}

源代码15 项目： android_tv_metro 文件： MetroLayout.java

@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;
}

方法所在类

android.view.KeyEvent