89 lines
3.1 KiB
Java
89 lines
3.1 KiB
Java
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.messaging.util;
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import android.content.Context;
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import android.support.annotation.NonNull;
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import android.view.View;
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import android.view.inputmethod.InputMethodManager;
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import com.google.common.annotations.VisibleForTesting;
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public class ImeUtil {
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public interface ImeStateObserver {
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void onImeStateChanged(boolean imeOpen);
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}
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public interface ImeStateHost {
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void onDisplayHeightChanged(int heightMeasureSpec);
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void registerImeStateObserver(ImeUtil.ImeStateObserver observer);
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void unregisterImeStateObserver(ImeUtil.ImeStateObserver observer);
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boolean isImeOpen();
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}
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private static volatile ImeUtil sInstance;
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// Used to clear the static cached instance of ImeUtil during testing. This is necessary
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// because a previous test may have installed a mocked instance (or vice versa).
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public static void clearInstance() {
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sInstance = null;
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}
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public static ImeUtil get() {
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if (sInstance == null) {
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synchronized (ImeUtil.class) {
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if (sInstance == null) {
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sInstance = new ImeUtil();
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}
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}
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}
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return sInstance;
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}
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@VisibleForTesting
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public static void set(final ImeUtil imeUtil) {
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sInstance = imeUtil;
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}
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public void hideImeKeyboard(@NonNull final Context context, @NonNull final View v) {
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Assert.notNull(context);
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Assert.notNull(v);
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final InputMethodManager inputMethodManager =
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(InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);
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if (inputMethodManager != null) {
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inputMethodManager.hideSoftInputFromWindow(v.getWindowToken(), 0 /* flags */);
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}
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}
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public void showImeKeyboard(@NonNull final Context context, @NonNull final View v) {
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Assert.notNull(context);
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Assert.notNull(v);
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final InputMethodManager inputMethodManager =
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(InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);
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if (inputMethodManager != null) {
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v.requestFocus();
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inputMethodManager.showSoftInput(v, 0 /* flags */);
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}
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}
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public static void hideSoftInput(@NonNull final Context context, @NonNull final View v) {
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final InputMethodManager inputMethodManager =
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(InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);
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inputMethodManager.hideSoftInputFromWindow(v.getWindowToken(), 0);
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}
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}
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