InputMethodManagerCompatWrapper.java revision 03a1c442aeddbd511be92e11465b6206d2ca976c 
1/*
2 * Copyright (C) 2011 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.inputmethod.compat;
18
19import android.content.Context;
20import android.os.IBinder;
21import android.view.inputmethod.InputMethodManager;
22
23import java.lang.reflect.Method;
24
25public final class InputMethodManagerCompatWrapper {
26    // Note that InputMethodManager.switchToNextInputMethod() has been introduced
27    // in API level 16 (Build.VERSION_CODES.JELLY_BEAN).
28    private static final Method METHOD_switchToNextInputMethod = CompatUtils.getMethod(
29            InputMethodManager.class, "switchToNextInputMethod", IBinder.class, boolean.class);
30
31    // Note that InputMethodManager.shouldOfferSwitchingToNextInputMethod() has been introduced
32    // in API level 19 (Build.VERSION_CODES.KITKAT).
33    private static final Method METHOD_shouldOfferSwitchingToNextInputMethod =
34            CompatUtils.getMethod(InputMethodManager.class,
35                    "shouldOfferSwitchingToNextInputMethod", IBinder.class);
36
37    public final InputMethodManager mImm;
38
39    public InputMethodManagerCompatWrapper(final Context context) {
40        mImm = (InputMethodManager)context.getSystemService(Context.INPUT_METHOD_SERVICE);
41    }
42
43    public boolean switchToNextInputMethod(final IBinder token, final boolean onlyCurrentIme) {
44        return (Boolean)CompatUtils.invoke(mImm, false /* defaultValue */,
45                METHOD_switchToNextInputMethod, token, onlyCurrentIme);
46    }
47
48    public boolean shouldOfferSwitchingToNextInputMethod(final IBinder token) {
49        return (Boolean)CompatUtils.invoke(mImm, false /* defaultValue */,
50                METHOD_shouldOfferSwitchingToNextInputMethod, token);
51    }
52}
53