import com.android.internal.os.SomeArgs;
import android.annotation.IntDef;
+import android.annotation.Nullable;
import android.annotation.SdkConstant;
import android.annotation.SdkConstant.SdkConstantType;
import android.content.Context;
*
* @param identifier The identifier for the input device.
* @param inputMethodInfo The input method.
- * @param inputMethodSubtype The input method subtype.
+ * @param inputMethodSubtype The input method subtype. {@code null} if this input method does
+ * not support any subtype.
*
* @return The associated {@link KeyboardLayout}, or null if one has not been set.
*
* @hide
*/
+ @Nullable
public KeyboardLayout getKeyboardLayoutForInputDevice(InputDeviceIdentifier identifier,
- InputMethodInfo inputMethodInfo, InputMethodSubtype inputMethodSubtype) {
+ InputMethodInfo inputMethodInfo, @Nullable InputMethodSubtype inputMethodSubtype) {
try {
return mIm.getKeyboardLayoutForInputDevice(
identifier, inputMethodInfo, inputMethodSubtype);
* @param identifier The identifier for the input device.
* @param inputMethodInfo The input method with which to associate the keyboard layout.
* @param inputMethodSubtype The input method subtype which which to associate the keyboard
- * layout.
+ * layout. {@code null} if this input method does not support any subtype.
* @param keyboardLayoutDescriptor The descriptor of the keyboard layout to set
*
* @hide
*/
public void setKeyboardLayoutForInputDevice(InputDeviceIdentifier identifier,
- InputMethodInfo inputMethodInfo, InputMethodSubtype inputMethodSubtype,
+ InputMethodInfo inputMethodInfo, @Nullable InputMethodSubtype inputMethodSubtype,
String keyboardLayoutDescriptor) {
try {
mIm.setKeyboardLayoutForInputDevice(identifier, inputMethodInfo,
package com.android.internal.inputmethod;
+import android.annotation.Nullable;
import android.text.TextUtils;
import android.view.inputmethod.InputMethodInfo;
import android.view.inputmethod.InputMethodSubtype;
private final String mInputMethodId;
private final int mSubtypeId;
- public InputMethodSubtypeHandle(InputMethodInfo info, InputMethodSubtype subtype) {
+ public InputMethodSubtypeHandle(InputMethodInfo info, @Nullable InputMethodSubtype subtype) {
mInputMethodId = info.getId();
if (subtype != null) {
mSubtypeId = subtype.hashCode();
} else {
- mSubtypeId = 0;
+ mSubtypeId = InputMethodUtils.NOT_A_SUBTYPE_ID;
}
}
if (keyboardLayoutDescriptor == null) {
throw new IllegalArgumentException("keyboardLayoutDescriptor must not be null");
}
- if (imeInfo == null || imeSubtype == null) {
- throw new IllegalArgumentException("imeInfo and imeSubtype must not be null");
+ if (imeInfo == null) {
+ throw new IllegalArgumentException("imeInfo must not be null");
}
InputMethodSubtypeHandle handle = new InputMethodSubtypeHandle(imeInfo, imeSubtype);
setKeyboardLayoutForInputDeviceInner(identifier, handle, keyboardLayoutDescriptor);