更新时间：2024-08-12 14:29
旧版时间：2024-08-12 14:06
测试部分，可能有bug
目前发现bug未解决
1、保存代码，代码热更新后，触发监听会报Error: [JS Framework] Failed to receiveTasks, instance (1) is not available.这个错误，重新编译正常
模拟器效果截图
permissionListener.js
/**
* @author cai
* @time 2024-08-12 14:29
* uni.createRequestPermissionListener()
* 文档地址：https://uniapp.dcloud.net.cn/api/system/create-request-permission-listener.html
* 注意：HBuilderX (4.0+) android 平台支持；HBuilderX 4.01 Vue2项目需要使用自定义基座测试监听权限申请的功能，标准基座暂不支持测试。
*/
// #ifndef APP
export default null;
// #endif
// #ifdef APP
const { osName } = uni.getSystemInfoSync();
let permissionListener = null;
// 是安卓平台，同时有uni.createRequestPermissionListener这个api
if (osName === "android" && uni.createRequestPermissionListener) {
permissionListener = uni.createRequestPermissionListener();
}
let canRunListener = true; // 是否可以执行所有监听方法
let canStopListener = true; // 是否可以执行取消所有监听方法，避免唤起权限会触发App.vue的onHide生命周期
const permissionEnums = {
"ACCESS_COARSE_LOCATION": {
name: "定位",
explain: "展示附近店铺、填写收货地址等相关功能"
},
"ACCESS_FINE_LOCATION": {
name: "定位",
explain: "展示附近店铺、填写收货地址等相关功能"
},
"READ_EXTERNAL_STORAGE": {
name: "存储",
explain: "上传图片、上传视频等相关功能"
},
"CAMERA": {
name: "相机",
explain: "扫二维码、拍摄图片等相关功能"
},
"WRITE_EXTERNAL_STORAGE": {
name: "存储",
explain: "把图片保存到相册等相关功能"
}
}
/**
* 权限说明文字
* @param {String} = permissionName 例如：ACCESS_COARSE_LOCATION
*/
const texts = (permissionName) => {
let title = "";
let content = "";
let permissionInfo = permissionEnums[permissionName] || null;
if (permissionInfo) {
const { name, explain } = permissionInfo;
title = `${name}权限使用说明`;
content = `将获取${name}权限，用于${explain}`;
} else {
title = "";
content = "";
}
return {
title,
content
}
};
/**
* 绘画顶部权限说明
* 文档地址：https://www.html5plus.org/doc/zh_cn/nativeobj.html
* @function drawView title标题，content描述使用说明
* @function hideView 隐藏顶部权限说明
*/
let view = null;
const drawView = ({ title, content }) => {
console.log("drawView方法的参数值：", title, content);
if (view || !title || !content) return; // 没有标题和内容则return出去
const { windowTop, windowWidth, statusBarHeight } = uni.getSystemInfoSync();
const topHeight = windowTop + statusBarHeight;
const distance = {
box: 10, // 盒子距离视图两边的距离
text: 20 // 文字距离视图两边的距离
}
// 标题的相关样式
const titleStyle = {
size: 16,
height: 16,
top: `${topHeight + 22}`,
color: "#000",
}
// 内容的相关样式
const contentStyle = {
size: 14,
height: 0,
top: `${parseInt(titleStyle.top) + titleStyle.height + 6}`,
color: "#656563",
}
const contentLength = content.length; // 权限说明内容文字长度
const contentWidth = windowWidth - distance.text * 2; // 内容的宽度
const contentRowCount = Math.floor(contentWidth / contentStyle.size); // 一行占几个文字
const contentRows = Math.ceil(contentLength / contentRowCount); // 当前内容占几行
contentStyle.height = contentRows * (contentStyle.size + 4); // 内容的高度
/**
* @description 计算盒子的高度
* 获取content到盒子顶部距离：parseInt(contentStyle.top) - topHeight - distance.box
* content的高度：contentStyle.height
* 获取content到盒子底部的距离：(distance.text - distance.box)
*/
const boxHeight = (parseInt(contentStyle.top) - topHeight - distance.box) + contentStyle.height + (distance.text - distance.box);
view = new plus.nativeObj.View('per-modal', {
top: '0',
left: '0',
width: '100%',
backgroundColor: 'rgba(0,0,0,0.2)'
})
view.drawRect({
color: '#fff',
radius: '5px',
}, {
top: `${topHeight + distance.box}px`,
left: `${distance.box}px`,
right: `${distance.box}px`,
height: `${boxHeight}px`
})
view.drawText(title, {
top: `${titleStyle.top}px`,
left: `${distance.text}px`,
left: `${distance.text}px`,
height: `${titleStyle.height}px`
}, {
size: `${titleStyle.size}px`,
align: "left",
color: titleStyle.color,
weight: "bold"
})
view.drawText(content, {
top: `${contentStyle.top}px`,
left: `${distance.text}px`,
right: `${distance.text}px`,
height: `${contentStyle.height}px`,
}, {
size: `${contentStyle.size}px`,
lineSpacing: "2px",
align: "left",
color: contentStyle.color,
verticalAlign: "top",
whiteSpace: "normal"
})
let timer = setTimeout(() => {
view && view.show();
clearTimeout(timer);
timer = null;
}, 200)
}
// 关闭顶部权限说明
const hideView = () => {
if (view) {
view.hide();
view = null;
}
}
// 监听权限方法
const listenerFunc = () => {
stopFunc(); // 取消所有监听方法
if (canRunListener && permissionListener) {
let permissionName = ""; // 权限名称
let hasConfirm = false; // 是否有权限弹窗（触发permissionListener.onConfirm这个回调）
canRunListener = false;
canStopListener = false;
// 监听申请系统权限
permissionListener.onRequest((e) => {
console.log("permissionListener.onRequest回调：", e);
if (Array.isArray(e) && e.length > 0) {
const stringToArray = e[0].split(".");
permissionName = stringToArray[stringToArray.length - 1];
console.log("权限名称：", permissionName);
}
});
// 监听弹出系统权限授权框
permissionListener.onConfirm((e) => {
console.log("permissionListener.onConfirm回调：", e);
hasConfirm = true;
if (permissionName) {
drawView(texts(permissionName));
}
});
// 监听权限申请完成
permissionListener.onComplete((e) => {
console.log("permissionListener.onComplete回调：", e);
// e.length === 0：权限列表无值，则不继续做相对逻辑
if (e.length === 0) return;
let name = ""; // 权限名称
let explain = ""; // 权限说明
if (permissionName && permissionEnums[permissionName]) {
name = permissionEnums[permissionName].name;
explain = permissionEnums[permissionName].explain;
}
const Manifest = plus.android.importClass("android.Manifest");
const MainActivity = plus.android.runtimeMainActivity();
const permissionStatus = MainActivity.checkSelfPermission(Manifest.permission[permissionName]);
console.log("当前权限状态：", permissionStatus);
/**
* @description 永久拒绝该权限，则引导用户前往设置页
* permissionStatus != 0：权限状态是拒绝
* !hasConfirm：没有permissionListener.onConfirm这个回调
*/
if (permissionStatus != 0 && !hasConfirm && name && explain) {
uni.showModal({
title: "温馨提示",
content: `开启${name}权限后，才能${explain}`,
showCancel: true,
confirmText: "去设置",
success: (res) => {
if (res.confirm) {
uni.openAppAuthorizeSetting();
}
}
})
return;
}
canStopListener = true;
hideView();
});
}
}
// 取消所有监听方法
const stopFunc = () => {
if (canStopListener && permissionListener) {
console.log("执行permissionListener.stop()方法");
canRunListener = true;
hideView();
permissionListener.stop();
}
}
let exportObj = null;
if (permissionListener) {
exportObj = {
listenerFunc,
stopFunc
};
} else {
exportObj = null;
}
export default exportObj;
// #endifApp.vue
/**
* @author cai
* @time 2024-07-24 10:52
*/
import permissionListener from "@/utils/permissionListener.js";
export default {
onLaunch: function() {
console.log('App Launch')
},
onShow: function() {
permissionListener && permissionListener.listenerFunc();
console.log('App Show')
},
onHide: function() {
permissionListener && permissionListener.stopFunc();
console.log('App Hide')
}
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