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WeChat Mini Program: Geolocation API, Image Information API

Mar 03, 2017 am 10:39 AM

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wx.chooseLocation(OBJECT)

Open the map and select the location
OBJECT parameter description:
[tr] Required description of parameter type[/tr]

##fail FunctionNoCallback function for failed interface callcompleteFunctionNoThe callback function at the end of the interface call (will be executed if the call is successful or failed)

success	Function	is the	interface call Successful callback function, please refer to the return parameter description for details of the return content.
cancel	Function	No	Called when user cancels

success return parameter description: [tr]Parameter description[/tr]

nameLocation nameaddressDetailed addresslatitudeLatitude, floating point number, range is -90~90, negative number indicates south latitudelongitudeLongitude, floating point number, range is -180~180, negative number represents west longitude

##wx.getImageInfo (OBJECT)

Get picture information
OBJECT parameter description:
[tr]Parameter type required description[/tr]

srcsuccessfailcomplete

String	is the path of the	picture, which can be a relative path, a temporary file path, or a storage file Path
Function	No	Callback function for successful interface call
Function	No	Callback function for failed interface call
Function	No	The callback function at the end of the interface call (will be executed if the call is successful or failed)

success return parameter description:

[tr]Parameter type description[/tr]

widthheight

Number	Picture width, unit px
Number	Picture height unit px

Sample code:

wx.getImageInfo({
    src: &#39;images/a.jpg&#39;,
    success: function(res) {
        console.log(res.width) console.log(res.height)
    }
}) wx.chooseImage({
    success: function(res) {
        wx.getImageInfo({
            src: res.tempFilePaths[0],
            success: function(res) {
                console.log(res.width) console.log(res.height)
            }
        })
    }
})

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wx.createAudioContext(audioId)

Create and return the audio context audioContext object
audioContext

audioContext is bound to an audio component through audioId, and an audio component can be operated through it.
Method list of audioContext object:
[tr]Method parameter description[/tr]

playpause## seekpositionJump to the specified position, unit sSample code:

None	Play
None	Pause

 &lt;span class=&quot;hljs-tag&quot; style=&quot;box-sizing: border-box; -webkit-tap-highlight-color: transparent; -webkit-font-smoothing: antialiased; font-size: inherit; color: rgb(200, 40, 41);&quot;&gt;&lt;/span&gt;
  &lt;span class=&quot;hljs-tag&quot; style=&quot;box-sizing: border-box; -webkit-tap-highlight-color: transparent; -webkit-font-smoothing: antialiased; font-size: inherit; color: rgb(200, 40, 41);&quot;&gt;播放&lt;/span&gt;
  &lt;span class=&quot;hljs-tag&quot; style=&quot;box-sizing: border-box; -webkit-tap-highlight-color: transparent; -webkit-font-smoothing: antialiased; font-size: inherit; color: rgb(200, 40, 41);&quot;&gt;暂停&lt;/span&gt;
  &lt;span class=&quot;hljs-tag&quot; style=&quot;box-sizing: border-box; -webkit-tap-highlight-color: transparent; -webkit-font-smoothing: antialiased; font-size: inherit; color: rgb(200, 40, 41);&quot;&gt;设置当前播放时间为14秒&lt;/span&gt;
  &lt;span class=&quot;hljs-tag&quot; style=&quot;box-sizing: border-box; -webkit-tap-highlight-color: transparent; -webkit-font-smoothing: antialiased; font-size: inherit; color: rgb(200, 40, 41);&quot;&gt;回到开头&lt;/span&gt;

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audio.jsPage({
    onReady: function(e) { // 使用 wx.createAudioContext 获取 audio 上下文 
        context this.audioCtx = wx.createAudioContext(&#39;myAudio&#39;)
    },
    data: {
        src: &#39;http://ws.stream.qqmusic.qq.com/M500001VfvsJ21xFqb.mp3?guid=ffffffff82def4af4b12b3cd9337d5e7&amp;uin=346897220&amp;vkey=6292F51E1E384E06DCBDC9AB7C49FD713D632D313AC4858BACB8DDD29067D3C601481D36E62053BF8DFEAF74C0A5CCFADD6471160CAF3E6A&amp;fromtag=46&#39;,
    },
    audioPlay: function() {
        this.audioCtx.play()
    },
    audioPause: function() {
        this.audioCtx.pause()
    },
    audio14: function() {
        this.audioCtx.seek(14)
    },
    audioStart: function() {
        this.audioCtx.seek(0)
    }
})

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##wx.createVideoContext(videoId)

Create and return the video context videoContext object

videoContext
##videoContext is bound to a video component through videoId. Through it you can operate a video component.
Method list of videoContext object:
[tr]Method parameter description[/tr]

play

NonePlaypauseNonePauseJump to the specified position, unit sSend bomb Curtain, danmu contains two attributes text, color.

&lt;span class=&quot;hljs-tag&quot; style=&quot;box-sizing: border-box; -webkit-tap-highlight-color: transparent; -webkit-font-smoothing: antialiased; font-size: inherit; color: rgb(200, 40, 41);&quot;&gt; 
  &lt;span class=&quot;hljs-tag&quot; style=&quot;box-sizing: border-box; -webkit-tap-highlight-color: transparent; -webkit-font-smoothing: antialiased; font-size: inherit; color: rgb(200, 40, 41);&quot;/&gt;  
  &lt;span class=&quot;hljs-tag&quot; style=&quot;box-sizing: border-box; -webkit-tap-highlight-color: transparent; -webkit-font-smoothing: antialiased; font-size: inherit; color: rgb(200, 40, 41);&quot;&gt; 
    &lt;span class=&quot;hljs-tag&quot; style=&quot;box-sizing: border-box; -webkit-tap-highlight-color: transparent; -webkit-font-smoothing: antialiased; font-size: inherit; color: rgb(200, 40, 41);&quot;/&gt;
  &lt;/span&gt;
&lt;/span&gt;

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