612e3d549a
MATCH_EXTERNAL was introduced in api level 28, which was after the initial version of this application. This caused a bug for suggestions which assumed the enumeration was total. This also includes a defensive check + log warning for unkown flags. Test: Build and Run Change-Id: I153985b5fd576baf80545b4737648745b421f11e
104 lines
4.1 KiB
Java
104 lines
4.1 KiB
Java
/*
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* Copyright (C) 2018 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.example.android.intentplayground;
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import java.util.Arrays;
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import java.util.HashSet;
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import java.util.Set;
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import java.util.stream.Collectors;
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import static java.util.Collections.emptySet;
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/**
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* Represents the different intent flags related to activities and tasks.
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*/
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enum IntentFlag {
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SINGLE_TOP ("FLAG_ACTIVITY_SINGLE_TOP", emptySet(), emptySet(), emptySet()),
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BROUGHT_TO_FRONT ("FLAG_ACTIVITY_BROUGHT_TO_FRONT", emptySet(), emptySet(), emptySet()),
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NEW_TASK ("FLAG_ACTIVITY_NEW_TASK", emptySet(), emptySet(), emptySet()),
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CLEAR_TASK ("FLAG_ACTIVITY_CLEAR_TASK", emptySet(), emptySet(), setOf(NEW_TASK)),
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CLEAR_TOP ("FLAG_ACTIVITY_CLEAR_TOP", setOf(SINGLE_TOP, NEW_TASK), emptySet(), emptySet()),
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MATCH_EXTERNAL("FLAG_ACTIVITY_MATCH_EXTERNAL", emptySet(), emptySet(), emptySet()),
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MULTIPLE_TASK ("FLAG_ACTIVITY_MULTIPLE_TASK", emptySet(), emptySet(), setOf(NEW_TASK)),
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NEW_DOCUMENT ("FLAG_ACTIVITY_NEW_DOCUMENT", setOf(MULTIPLE_TASK), emptySet(),
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emptySet()),
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RETAIN_IN_RECENTS ("FLAG_ACTIVITY_RETAIN_IN_RECENTS", setOf(NEW_DOCUMENT),
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emptySet(), emptySet()),
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CLEAR_WHEN_TASK_RESET ("FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET", emptySet(), emptySet(),
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emptySet()),
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EXCLUDE_FROM_RECENTS ("FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS", emptySet(), setOf(RETAIN_IN_RECENTS),
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emptySet()),
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FORWARD_RESULT ("FLAG_ACTIVITY_FORWARD_RESULT", emptySet(), emptySet(), emptySet()),
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LAUNCHED_FROM_HISTORY ("FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY", emptySet(), emptySet(),
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emptySet()),
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LAUNCH_ADJACENT ("FLAG_ACTIVITY_LAUNCH_ADJACENT", setOf(MULTIPLE_TASK), emptySet(),
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setOf(NEW_TASK)),
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NO_ANIMATION ("FLAG_ACTIVITY_NO_ANIMATION", emptySet(), emptySet(), emptySet()),
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NO_HISTORY ("FLAG_ACTIVITY_NO_HISTORY", emptySet(), emptySet(), emptySet()),
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NO_USER_ACTION ("FLAG_ACTIVITY_NO_USER_ACTION", emptySet(), emptySet(), emptySet()),
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PREVIOUS_IS_TOP ("FLAG_ACTIVITY_PREVIOUS_IS_TOP", emptySet(), emptySet(), emptySet()),
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REORDER_TO_FRONT ("FLAG_ACTIVITY_REORDER_TO_FRONT", emptySet(), setOf(CLEAR_TOP), emptySet()),
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RESET_TASK_IF_NEEDED ("FLAG_ACTIVITY_RESET_TASK_IF_NEEDED", emptySet(), emptySet(), emptySet()),
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TASK_ON_HOME ("FLAG_ACTIVITY_TASK_ON_HOME", emptySet(), emptySet(), setOf(NEW_TASK));
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public String name;
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private Set<IntentFlag> mComplements = new HashSet<>();
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private Set<IntentFlag> mConflicts = new HashSet<>();
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private Set<IntentFlag> mRequests = new HashSet<>();
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IntentFlag(String name, Set<IntentFlag> complements, Set<IntentFlag> conflicts,
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Set<IntentFlag> requests) {
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this.name = name;
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this.mComplements = complements;
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this.mConflicts = conflicts;
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this.mRequests = requests;
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}
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/**
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* @return A set of flags that complement the action of this flag.
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*/
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public Set<IntentFlag> getComplements() {
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return mComplements;
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}
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/**
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* @return A set of flags that conflict with the action of this flag.
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*/
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public Set<IntentFlag> getConflicts() {
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return mConflicts;
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}
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/**
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* @return A set of flags that are necessary for the action of this flag.
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*/
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public Set<IntentFlag> getRequests() {
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return mRequests;
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}
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public String getName() {
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return name;
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}
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/**
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* Convenience method to create a set of intent flags.
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*/
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protected static Set<IntentFlag> setOf(IntentFlag... flags) {
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return Arrays.stream(flags).collect(Collectors.toSet());
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}
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}
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