{"id":795,"date":"2023-09-05T00:58:34","date_gmt":"2023-09-04T16:58:34","guid":{"rendered":"https:\/\/lq.kuxil.cn\/?p=795"},"modified":"2025-10-03T05:20:53","modified_gmt":"2025-10-02T21:20:53","slug":"%e3%80%90android%e3%80%91%e5%88%a9%e7%94%a8%e5%b9%bf%e6%92%ad%e5%ae%9e%e7%8e%b0%e5%8a%a8%e6%80%81%e8%bd%af%e4%bb%b6%e4%b8%bb%e9%a2%98%e5%88%87%e6%8d%a2%e5%ae%9e%e7%8e%b0","status":"publish","type":"post","link":"https:\/\/lq.lixyu.cn\/?p=795","title":{"rendered":"\u3010Android\u3011\u5229\u7528\u5e7f\u64ad\u5b9e\u73b0\u52a8\u6001\u8f6f\u4ef6\u4e3b\u9898\u5207\u6362\u5b9e\u73b0"},"content":{"rendered":"\n

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\"\"<\/a><\/figure>\n\n\n\n

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open fun updateTheme() {\n        \/\/\u91cd\u542factivity\uff08\uff09\n        recreate()\n    }\n<\/code><\/pre>\n\n\n\n
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class ThemeChangedBroadcast : BroadcastReceiver() {\n    \/**\n     * \u8fd9\u91cc\u4e3b\u8981\u662f\u76d1\u542c\u4e3b\u9898\u6539\u53d8\u7684\uff0c\u8f6c\u53d1\u901a\u77e5\n     * @param context Context\n     * @param intent Intent\n     *\/\n\n    override fun onReceive(context: Context, intent: Intent) {\n        (context as AbsActivity).updateTheme()\n    }\n}<\/code><\/pre>\n\n\n\n
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    override fun onResume() {\n        super.onResume()\n        \/\/\u6ce8\u518c\u5e7f\u64ad\n        registerReceiver(\n            \/\/\u8fd9\u5757\u662f\u4e3b\u9898\u5e7f\u64ad\n            mThemeChangedBroadcast,\n            IntentFilter(\"com.imcys.bilibilias.app.THEME_CHANGED\")\n        )\n\n    }\n\n    override fun onDestroy() {\n        super.onDestroy()\n        \/\/\u53d6\u6d88\u6ce8\u518c\uff08\u9632\u6b62\u6cc4\u9732\uff09\n        unregisterReceiver(mThemeChangedBroadcast)\n        \/\/ \u79fb\u9664\u5f53\u524d\u6d3b\u52a8\n        removeActivity(this)\n    }\n\n    override fun onCreate(savedInstanceState: Bundle?) {\n        super.onCreate(savedInstanceState)\n        setTheme()\n    }<\/code><\/pre>\n\n\n\n
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\u800c\u6211\u4eec\u5728onCreate\u4e2d\u8c03\u7528\u4e86\u53e6\u4e00\u4e2a\u51fd\u6570\u3002<\/p>\n\n\n\n
\/\/\u68c0\u67e5\u4e3b\u9898\nprivate fun setTheme() {\n    val theme = PreferenceManager.getDefaultSharedPreferences(this).run {\n        getString(\"app_theme\", \"System\")\n    }\n    when (theme) {\n        \"System\" -> {\n            AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM)\n        }\n        \"Light\" -> {\n            AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_NO)\n        }\n        \"Dark\" -> {\n            AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_YES)\n        }\n        \"Pink\" -> {\n            this.setTheme(R.style.Theme_BILIBILIAS)\n        }\n    }\n}\n<\/code><\/pre>\n\n\n\n
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\u6587\u672b<\/h2>\n\n\n\n
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