继承自原生Rating，具有原生的滑动选择等特性，并且可以自定义大小，间距，颜色，图标，支持从右当左

/* * Copyright (C) 2021 Huawei Device Co., Ltd. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package per.wsj.andratingbar.slice; import ohos.aafwk.ability.AbilitySlice; import ohos.aafwk.ability.fraction.Fraction; import ohos.aafwk.ability.fraction.FractionAbility; import ohos.aafwk.content.Intent; import ohos.agp.components.DirectionalLayout; import ohos.agp.components.Image; import ohos.agp.components.LayoutScatter; import ohos.agp.components.Text; import ohos.agp.components.element.Element; import ohos.agp.components.element.ElementScatter; import ohos.agp.utils.Color; import ohos.global.resource.NotExistException; import ohos.global.resource.ResourceManager; import ohos.global.resource.WrongTypeException; import per.wsj.andratingbar.ResourceTable; import per.wsj.andratingbar.ui.ListFragment; import per.wsj.andratingbar.ui.SizeFragment; import per.wsj.andratingbar.ui.SpacingFragment; import per.wsj.andratingbar.ui.StyleFragment; import java.io.IOException; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; /** * MainAbilitySlice * * @since 2021-04-13 */ public class MainAbilitySlice extends AbilitySlice { private static final int ZERO = 0; private static final int ONE = 1; private static final int TWO = 2; private static final int THREE = 3; private static final int BUTTON_NUM = 4; private List<DirectionalLayout> tabList; private Map<Integer, Element> resMap = new HashMap<>(); private Map<Integer, Element> resMapFocus = new HashMap<>(); private Map<Integer, Integer> resMapText = new HashMap<>(); private Text mTitleText; private ResourceManager mResManager; @Override public void onStart(Intent intent) { super.onStart(intent); super.setUIContent(ResourceTable.Layout_ability_main); mResManager = this.getResourceManager(); try { int color = mResManager.getElement(ResourceTable.Color_colorPrimaryDark).getColor(); getWindow().setStatusBarColor(color); } catch (IOException | NotExistException | WrongTypeException e) { e.fillInStackTrace(); } mTitleText = (Text) findComponentById(ResourceTable.Id_title_text); intResMap(); initBottomTab(); } private void initBottomTab() { DirectionalLayout bottomTab = (DirectionalLayout) findComponentById(ResourceTable.Id_bottom_tabMenu); tabList = new ArrayList<>(); for (int count = 0; count < BUTTON_NUM; count++) { // Use LayoutScatter to convert xml file into Component instance DirectionalLayout tab = (DirectionalLayout) LayoutScatter.getInstance(getContext()) .parse(ResourceTable.Layout_tab, bottomTab, false); Image buttonImage = (Image) tab.findComponentById(ResourceTable.Id_bottom_tab_button_image); Text buttonText = (Text) tab.findComponentById(ResourceTable.Id_bottom_tab_button_text); buttonImage.setImageElement(resMap.get(count)); buttonText.setText(resMapText.get(count)); int finalCount = count; tab.setClickedListener(component -> { changeFraction(finalCount); }); tabList.add(tab); bottomTab.addComponent(tab); } tabList.get(0).callOnClick(); } private void changeFraction(int index) { setSelectState(index); mTitleText.setText(resMapText.get(index)); Fraction fraction = null; switch (index) { case ZERO: fraction = new SizeFragment(getContext()); break; case ONE: fraction = new SpacingFragment(getContext()); break; case TWO: fraction = new StyleFragment(getContext()); break; case THREE: fraction = new ListFragment(getContext()); break; default: break; } ((FractionAbility) getAbility()).getFractionManager() .startFractionScheduler() .replace(ResourceTable.Id_container, fraction) .submit(); } private void setSelectState(int index) { for (int count = 0; count < BUTTON_NUM; count++) { DirectionalLayout tab = tabList.get(count); Text buttonText = (Text) tab.findComponentById(ResourceTable.Id_bottom_tab_button_text); Image buttonImage = (Image) tab.findComponentById(ResourceTable.Id_bottom_tab_button_image); if (count == index) { try { int color = mResManager.getElement(ResourceTable.Color_colorPrimary).getColor(); buttonText.setTextColor(new Color(color)); } catch (IOException | NotExistException | WrongTypeException e) { e.fillInStackTrace(); } buttonImage.setImageElement(resMapFocus.get(count)); } else { buttonText.setTextColor(Color.BLACK); buttonImage.setImageElement(resMap.get(count)); } } } @Override public void onActive() { super.onActive(); } @Override public void onForeground(Intent intent) { super.onForeground(intent); } private void intResMap() { resMap.put(ZERO, ElementScatter.getInstance(getContext()).parse(ResourceTable.Graphic_ic_home_black_24dp)); resMap.put(ONE, ElementScatter.getInstance(getContext()).parse(ResourceTable.Graphic_ic_spacing)); resMap.put(TWO, ElementScatter.getInstance(getContext()).parse(ResourceTable.Graphic_ic_dashboard_black_24dp)); resMap.put(THREE, ElementScatter.getInstance(getContext()) .parse(ResourceTable.Graphic_ic_notifications_black_24dp)); resMapFocus.put(ZERO, ElementScatter.getInstance(getContext()) .parse(ResourceTable.Graphic_ic_home_black_24dp_focus)); resMapFocus.put(ONE, ElementScatter.getInstance(getContext()).parse(ResourceTable.Graphic_ic_spacing_focus)); resMapFocus.put(TWO, ElementScatter.getInstance(getContext()) .parse(ResourceTable.Graphic_ic_dashboard_black_24dp_focus)); resMapFocus.put(THREE, ElementScatter.getInstance(getContext()) .parse(ResourceTable.Graphic_ic_notifications_black_24dp_focus)); resMapText.put(ZERO, ResourceTable.String_title_size); resMapText.put(ONE, ResourceTable.String_title_spacing); resMapText.put(TWO, ResourceTable.String_title_style); resMapText.put(THREE, ResourceTable.String_title_in_list); } }