对于ACTION_DOWN事件,表示该事件已按照 FLAG_LONG_PRESS取消。 final boolean isMetaPressed() 返回META元键的按下状态。 static boolean isModifierKey(int keyCode) 如果此关键代码是修饰键,则返回true。 final boolean isNumLockOn() 返回NUM LOCK元键的锁定状态。 boolean isPrintingKey() 如果此键...
Depending on the actual scenario, it may also indicate that the Bluetooth call control button is pressed. Since: 1 See Also: Constant Field Values KEY_VOLUME_DOWN public static final int KEY_VOLUME_DOWN Turns down the volume. Since: 1 See Also: Constant Field Values KEY_VOLUME_MUTE public...
mPrivateFlags |= PFLAG_PRESSED; } else { mPrivateFlags &= ~PFLAG_PRESSED; } if (needsRefresh) { refreshDrawableState(); // 这行代码会刷新View的显示状态 } dispatchSetPressed(pressed); } private void checkForLongClick(int delayOffset) { if ((mViewFlags & LONG_CLICKABLE) == LONG_CLICKABLE)...
class KeyEvent.DispatcherState Use with dispatch(Callback, DispatcherState, Object) for more advanced key dispatching, such as long presses. Constants int ACTION_DOWN getAction() value: the key has been pressed down. int ACTION_MULTIPLE getAction() value: multiple duplicate key events have occu...
(mViewFlags& LONG_CLICKABLE) == LONG_CLICKABLE) &&(event.getRepeatCount()== 0)) {//clickable或者long_clickable且是第一次down事件setPressed(true);//标记pressed,你可能设置了View不同的background,这时候就会有所体现(比如高亮效果)checkForLongClick(0);//启动View的long click检测returntrue;//到达这...
Close console app if ESC is pressed Close or hide a form from another form, C# Close program with key esc Closing a command prompt window using C# closing a file handle after a File.Copy closing Login form after a successful Login in C# form closing the Binary Writerwill close the underly...
1 嵌套类摘要 从接口 ohos.utils.Sequenceable 继承的嵌套类/接口 Sequenceable.ProducerT 字段摘要 从类ohos.multimodalinput.event.MultimodalEvent 继承的字段 BUILTIN_KEY, DEFAULT_TYPE, highLevelEvent, KEYBOARD, MOUSE, ROTATION, SPEECH, STYLUS, TOUCH_PANEL, UNSUPPORTED_DEVICE, uuid ...
Hotkeys.ToggleMute, ResScaleUp = configurationFileFormat.Hotkeys.ResScaleUp, ResScaleDown = configurationFileFormat.Hotkeys.ResScaleDown, VolumeUp = Key.Unbound, VolumeDown = Key.Unbound }; } Logger.EnableFileLog.Value = configurationFileFormat.EnableFileLog; Graphics.ResScale.Value = ...
KEYCODE_VOLUME_MUTE || keyCode == KeyEvent.KEYCODE_CAMERA) { // don't show the controls for volume adjustment return super.dispatchKeyEvent(event); } else if (keyCode == KeyEvent.KEYCODE_BACK || keyCode == KeyEvent.KEYCODE_MENU) { if (uniqueDown) { hide(); } return true; } show...
2 = Locked (remains "pressed" until state is reset) This feature requires Android 11 and LifeGuard Update 11-49-09.00-RG-U00-STD-HEL-04 (or later). Alert Button Zebra devices offer the ability to designate a key as a "panic button" that when long-pressed executes an intent to perform...