Android:如何从SubSettings禁用左上左后退按钮 [英] Android: how to disable top left back button from SubSettings

问题描述

在Android Jellybeans中，设置"活动的所有子活动的左上角都有此后退按钮，用于调用设置"活动.它的行为更像是用于导航的向上"按钮.

From Android Jellybeans, all sub-activities of Settings activity are having this back button at top left corner which calls the Settings activity. It behaves more like a 'up' button for navigation purpose.

我有android代码，并且我想在我的构建中针对一些子活动(例如显示，声音等)禁用此按钮.

I have android code, and I want to disable this button for few sub-activities like display, sound etc. in my build.

任何建议，我必须在哪里进行修改以禁用此功能? 我尝试删除

Any suggestions, where do I have to modify to disable this? I tried out removing

android:parentActivityName 

来自清单文件中特定活动的标签，但无效.

tag from particular Activity in the Manifest file, but it didn't work.

推荐答案

尝试一下

getActionBar().setDisplayHomeAsUpEnabled(false);

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