How to make uniapp map full screen

In recent years, uniapp has become a very popular choice in the field of mobile development. The characteristic of uniapp is that it can develop applications for multiple platforms at the same time, including iOS, Android and H5. Using maps in uniapp is a very common need. In this article we will explore how to display the map in uniapp full screen.

1. Using maps in uniapp

We can use maps in uniapp through plug-ins.

First, we need to open our uniapp project in HBuilderX, then open the manifest.json file, and add the following content:

{
  "uni": {
    "plugins": {
      "AMap": {
        "version": "1.0.0",
        "provider": "wx28c9ps2802d6a2d"
      }
    }
  }
}

The above code uses the Amap plug-in, please note Unfortunately, this plug-in is only suitable for the development of WeChat mini programs. If you want to use maps on other platforms, you need to use other plug-ins or APIs, such as Baidu Maps, Tencent Maps, etc.

2. Map component settings

In uniapp, we can use the u-map component in the uni-ui component library to display the map. Add the u-map component to the page and set related properties.

<template>
  <view class="uni-padding-wrap uni-flow-row">
    <view class="uni-padding-lr">
      <u-map
        id="map"
        :scale="scale"
        :markers="markers"
        :polyline="polyline"
        show-location
        @markertap="onMarkerTap"
        @controltap="onControlTap"
        @regionchange="onRegionChange"
        @tap="onTap"
      />
    </view>
  </view>
</template>

<script>
  export default {
    data() {
      return {
        scale: 14,
        markers: [{
          id: 0,
          latitude: 37.78825,
          longitude: -122.4324,
          iconPath: '/static/my-location.png',
          title: '我的位置',
          width: 20,
          height: 20
        }],
        polyline: []
      }
    }
  }
</script>

<style scoped>
  #map {
    width: 100%;
    height: 100%;
  }
</style>

In the above code, we use the u-map component in the uni-ui component library to achieve full-screen map display by setting its width and height properties to 100%. At the same time, we also set some other attributes, such as scale, markers, polyline, etc., to display map-related information.

3. CSS style settings

We have set the style in the u-map component earlier, but in order to ensure that the map can truly be displayed in full screen, we need to set some additional CSS styles.

page {
  height: 100%;
  padding: 0;
  margin: 0;
  overflow: hidden;
}

html,
body,
#app {
  height: 100%;
  padding: 0;
  margin: 0;
  overflow: hidden;
}

Just add the above code to the style file.

With the above settings, we can already achieve full-screen map display in the uniapp application. It should be noted that the size of the map may be different on different platforms, and the CSS style needs to be set according to the actual situation.

Summary

This article briefly introduces how to use maps in uniapp and how to achieve full-screen map display. For map-related applications, it is not only necessary to visually satisfy the user experience, but also needs to consider some practical issues, such as cross-platform adaptation, performance optimization, etc. I hope this article can provide some help to readers in realizing full-screen map display in uniapp applications.

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