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NotExist Exception

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Articles by NotExist Exception

自学鸿蒙应用开发（23）- 在应用本地存储少量数据

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By NotExist Exception
| CSDN
鸿蒙系统中的轻量级偏好数据库，主要用于保存应用的一些常用配置。数据存储在本地文件中，同时也加载在内存中的，所以访问速度更快，效率更高。 先看本文的演示视频： Preference 首先是实现基本功能。 public class MainAbilitySlice extends AbilitySlice { static final HiLogLabel label = new HiLogLabel(HiLog.LOG_APP, 0x12345, "MainAbilitySlice"); static final String preferenceFile = "preferences"; static final String counterKey = "ClickCounter"; int clickCounter = 0; @Override public void onStart(Intent intent) { super.onStart(intent); super.setUIContent(ResourceTable.Layout_ability_main);...
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HarmonyOS Device Location, Geocoding, and Reverse Geocoding Capabilities

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By String permissions, stringBuilder.append .append, NotExist Exception
| DZone Verified
Introduction People take their mobile devices wherever they go. Mobile devices have become a necessity in people's daily routines, whether it be for looking at the weather forecast, browsing news, hailing a taxi, navigating, or recording data from a workout. All of these activities are associated with location services on mobile devices. With the location awareness capability offered by HarmonyOS, mobile devices will be able to obtain real-time, accurate location data.
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