Flutter permission_handler 权限插件的使用详解

编译环境：Flutter 版本v1.12.hotfix9 dart SDK：2.7.2

1 pubspec.yaml中引入：

  #  权限
  permission_handler: ^3.2.0

ios中info.plist配置（根据权限情况使用）：

<!-- Permission options for the `location` group -->
<key>NSLocationWhenInUseUsageDescription</key>
<string>Need location when in use</string>
<key>NSLocationAlwaysAndWhenInUseUsageDescription</key>
<string>Always and when in use!</string>
<key>NSLocationUsageDescription</key>
<string>Older devices need location.</string>
<key>NSLocationAlwaysUsageDescription</key>
<string>Can I haz location always?</string>

<!-- Permission options for the `mediaLibrary` group -->
<key>NSAppleMusicUsageDescription</key>
<string>Music!</string>
<key>kTCCServiceMediaLibrary</key>
<string>media</string>

<!-- Permission options for the `calendar` group -->
<key>NSCalendarsUsageDescription</key>
<string>Calendars</string>

<!-- Permission options for the `camera` group -->
<key>NSCameraUsageDescription</key>
<string>camera</string>

<!-- Permission options for the `contacts` group -->
<key>NSContactsUsageDescription</key>
<string>contacts</string>

<!-- Permission options for the `microphone` group -->
<key>NSMicrophoneUsageDescription</key>
<string>microphone</string>

<!-- Permission options for the `speech` group -->
<key>NSSpeechRecognitionUsageDescription</key>
<string>speech</string>

<!-- Permission options for the `sensors` group -->
<key>NSMotionUsageDescription</key>
<string>motion</string>

<!-- Permission options for the `photos` group -->
<key>NSPhotoLibraryUsageDescription</key>
<string>photos</string>

<!-- Permission options for the `reminder` group -->
<key>NSRemindersUsageDescription</key>
<string>reminders</string>

2 代码中具体使用：

void chosePhoto(int index) async {
PermissionHandler().requestPermissions(
[PermissionGroup.photos, PermissionGroup.camera]).then((map) {
if (map[PermissionGroup.photos] == PermissionStatus.granted ||
map[PermissionGroup.camera] == PermissionStatus.granted) {
chosePhotoFromPhone(context, index);
}
});
}

3 总结：

在使用的过程中可能会出现androidX 或者Swift语言的适配，这时候需要根据具体情况进行修改。

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