lingxia-platform 0.6.0

Platform abstraction layer for LingXia framework (Android, iOS, HarmonyOS)
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76

//! Android platform location implementation

use crate::error::PlatformError;
use crate::traits::location::Location;
use jni::objects::JValue;
use jni::sys::{JNI_FALSE, JNI_TRUE};
use jni::{jni_sig, jni_str};

use super::Platform;

impl Location for Platform {
    fn is_location_enabled(&self) -> Result<bool, PlatformError> {
        match || -> Result<bool, Box<dyn std::error::Error>> {
            let location_class: &jni::objects::JClass =
                super::get_cached_class(super::CachedClass::LxAppLocation)?.as_ref();

            lingxia_webview::platform::android::with_env(|env| {
                let result = env.call_static_method(
                    location_class,
                    jni_str!("isLocationEnabled"),
                    jni_sig!("()Z"),
                    &[],
                )?;
                Ok(result.z()?)
            })
        }() {
            Ok(value) => Ok(value),
            Err(e) => Err(PlatformError::Platform(format!(
                "Failed to determine location availability via JNI: {}",
                e
            ))),
        }
    }

    async fn request_location(
        &self,
        config: crate::traits::location::LocationRequestConfig,
    ) -> Result<String, PlatformError> {
        crate::rt::native_call(
            |callback_id| match || -> Result<(), Box<dyn std::error::Error>> {
                let location_class: &jni::objects::JClass =
                    super::get_cached_class(super::CachedClass::LxAppLocation)?.as_ref();

                lingxia_webview::platform::android::with_env(|env| {
                    env.call_static_method(
                        location_class,
                        jni_str!("requestLocation"),
                        jni_sig!("(JZZI)V"),
                        &[
                            JValue::Long(callback_id as i64),
                            JValue::Bool(if config.is_high_accuracy {
                                JNI_TRUE
                            } else {
                                JNI_FALSE
                            }),
                            JValue::Bool(if config.include_altitude {
                                JNI_TRUE
                            } else {
                                JNI_FALSE
                            }),
                            JValue::Int(config.high_accuracy_expire_time.unwrap_or(10000) as i32),
                        ],
                    )?;
                    Ok(())
                })
            }() {
                Ok(()) => Ok(()),
                Err(e) => Err(PlatformError::Platform(format!(
                    "Failed to request location via JNI: {}",
                    e
                ))),
            },
        )
        .await
    }
}