Expose API to query devices for supported keys (b7b2d4b4) · Commits · e / os / android_frameworks_base

api/current.txt

+1 −0

Original line number	Diff line number	Diff line
		@@ -26112,6 +26112,7 @@ package android.view {
		method public int getSources();
		method public int getVendorId();
		method public android.os.Vibrator getVibrator();
		method public boolean[] hasKeys(int...);
		method public boolean isVirtual();
		method public void writeToParcel(android.os.Parcel, int);
		field public static final android.os.Parcelable.Creator CREATOR;

+19 −1

Original line number	Diff line number	Diff line
		@@ -579,15 +579,33 @@ public final class InputManager {
		* @hide
		*/
		public boolean[] deviceHasKeys(int[] keyCodes) {
		return deviceHasKeys(-1, keyCodes);
		}

		/**
		* Queries the framework about whether any physical keys exist on the
		* any keyboard attached to the device that are capable of producing the given
		* array of key codes.
		*
		* @param id The id of the device to query.
		* @param keyCodes The array of key codes to query.
		* @return A new array of the same size as the key codes array whose elements are set to true
		* if the given device could produce the corresponding key code at the same index in the key
		* codes array.
		*
		* @hide
		*/
		public boolean[] deviceHasKeys(int id, int[] keyCodes) {
		boolean[] ret = new boolean[keyCodes.length];
		try {
		mIm.hasKeys(-1, InputDevice.SOURCE_ANY, keyCodes, ret);
		mIm.hasKeys(id, InputDevice.SOURCE_ANY, keyCodes, ret);
		} catch (RemoteException e) {
		// no fallback; just return the empty array
		}
		return ret;
		}


		/**
		* Injects an input event into the event system on behalf of an application.
		* The synchronization mode determines whether the method blocks while waiting for

+10 −0

Original line number	Diff line number	Diff line
		@@ -573,6 +573,16 @@ public final class InputDevice implements Parcelable {
		return mKeyCharacterMap;
		}

		/**
		* Gets whether the device is capable of producing the list of keycodes.
		* @param keys The list of android keycodes to check for.
		* @return An array of booleans where each member specifies whether the device is capable of
		* generating the keycode given by the corresponding value at the same index in the keys array.
		*/
		public boolean[] hasKeys(int... keys) {
		return InputManager.getInstance().deviceHasKeys(mId, keys);
		}

		/**
		* Gets information about the range of values for a particular {@link MotionEvent} axis.
		* If the device supports multiple sources, the same axis may have different meanings