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'use strict';
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/******************************
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*
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* 注意每次更新 react-native-router-flux 版本，
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* 都要检查此方法是否需要更新！！！！！！！！！
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*
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*******************************/
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export function shouldShowTabBar(navigationState) {
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let key = navigationState.key;
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let index = key.substring(0, 1);
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return index == 1;
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let index = getSceneIndex(navigationState);
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return index == 1; // 只有从home的下一个scene返回至home时才需要显示tab bar
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}
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export function shouldHideTabBar(navigationState) {
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let key = navigationState.key;
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let index = key.substring(0, 1);
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return index != 0;
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let index = getSceneIndex(navigationState);
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return index !== 0; // 非home的scene都需要隐藏tab bar
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}
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function getSceneIndex(navigationState) {
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let {initial, key, parent, name, clone} = navigationState;
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let index = 0;
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if (initial) {
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// 如果是initial是ture的scene，则key的格式是`${position}_${name}`
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// 0_Home
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index = key.substring(0, 1);
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} else {
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// 如果是initial是false
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// 如果clone是true，则key的格式是`${parent}_${name}_${position}_${name}`
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// root_Section_10_Section
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// 如果clone是false，则key的格式是`${name}_${position}_${name}`
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// Posting_11_Posting
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let prefix = clone ? `${parent}_${name}_` : `${name}_`;
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let start = prefix.length;
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let stop = key.lastIndexOf('_');
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index = key.substring(start, stop);
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}
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console.log(key);
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console.log(index);
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return index;
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} |
...
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...
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