1 /* 2 * Copyright (C) 2014 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 17 package com.android.inputmethod.compat; 18 19 import android.os.Looper; 20 21 import java.lang.reflect.Method; 22 23 /** 24 * Helper to call Looper#quitSafely, which was introduced in API 25 * level 18 (Build.VERSION_CODES.JELLY_BEAN_MR2). 26 * 27 * In unit tests, we create lots of instances of LatinIME, which means we need to clean up 28 * some Loopers lest we leak file descriptors. In normal use on a device though, this is never 29 * necessary (although it does not hurt). 30 */ 31 public final class LooperCompatUtils { 32 private static final Method METHOD_quitSafely = CompatUtils.getMethod( 33 Looper.class, "quitSafely"); 34 35 public static void quitSafely(final Looper looper) { 36 if (null != METHOD_quitSafely) { 37 CompatUtils.invoke(looper, null /* default return value */, METHOD_quitSafely); 38 } else { 39 looper.quit(); 40 } 41 } 42 } 43
