添加权限申请文档

docs/api/_sidebar.md

@@ -67,6 +67,7 @@
     * [uni.getAppAuthorizeSetting](system/getappauthorizesetting.md)
     * [uni.getSystemSetting](system/getsystemsetting.md)
     * [uni.openAppAuthorizeSetting](system/openappauthorizesetting.md)
+	* [uni.createRequestPermissionListener](system/create-request-permission-listener.md)
   * [内存](system/memory.md)
   * [网络状态](system/network.md)
   * [系统主题](system/theme.md)

docs/api/system/create-request-permission-listener.md

+### uni.createRequestPermissionListener()
+
+创建一个监听权限申请的 `RequestPermissionListener` 对象。
+
+**平台差异说明**
+
+HBuilderX (4.0+) android 平台支持
+
+**RequestPermissionListener 对象的方法列表**
+
+|方法		|参数		|说明	|
+|:-			|:-			|:-		|
+|onRequest	|callback	|监听申请系统权限		|
+|onConfirm	|callback	|监听弹出系统权限授权框		|
+|onComplete	|callback	|监听权限申请完成		|
+|stop		|			|取消所有监听		|
+
+**示例**
+
+```javascript
+<template>
+	<view>
+		<view class="permission-alert" id="permission-alert" :style="{'transform':isPermissionAlertShow ? 'translateY(0)':'translateY(-250rpx)'}">
+			<text style="font-size: 20px;margin-bottom: 10px;margin-top: 5px; display: block;">手机状态权限申请说明：</text>
+			<text style="color: darkgray;">uni-app正在申请手机状态权限，允许或拒绝均不会获取任何隐私信息。</text>
+		</view>
+		<button @click="requestPermission">点击申请日历权限</button>
+	</view>
+</template>
+
+<script>
+	export default {
+		data() {
+			return {
+				isPermissionAlertShow: false,
+				permissionListener: null
+			}
+		},
+		onReady() {
+			this.watchPermission()
+		},
+		onUnload() {
+			if (this.permissionListener != null) {
+				this.permissionListener.stop()
+			}
+		},
+		methods: {
+			watchPermission() {
+				this.permissionListener = uni.createRequestPermissionListener();
+				this.permissionListener.onConfirm((e) => {
+					this.isPermissionAlertShow = true
+				});
+				this.permissionListener.onComplete((e) => {
+					this.isPermissionAlertShow = false
+				});
+			},
+			requestPermission() {
+				plus.android.requestPermissions(["android.permission.READ_CALENDAR"], (e) => {
+
+				}, (e) => {
+
+				})
+			}
+		}
+	}
+</script>
+
+<style>
+	.permission-alert {
+		width: 650rpx;
+		height: 200rpx;
+		margin: 20rpx 40rpx;
+		position: absolute;
+		top: 0px;
+		z-index: 3;
+		border-radius: 5px;
+		transition-property: transform;
+		transition-duration: 200ms;
+		background-color: white;
+		padding: 10rpx;
+	}
+</style>
+
+```
\ No newline at end of file