DCloud Native.js示例汇总

深藏阁楼爱情的钟 2022-12-20 13:59 6阅读 0赞

Native.js虽然强大和开放，但很多web开发者因为不熟悉原生API而难以独立完成。  
这篇帖子的目的就是汇总各种写好的NJS代码，方便web开发者。  
众人拾柴火焰高，有能力的开发者多多提交NJS代码，大家都会给你点赞的，我们也会为每位共享NJS代码的朋友送上200积分。

\#\#Android平台

\#\#\#监听手机锁屏，解锁，开屏  
[http://ask.dcloud.net.cn/article/35205][http_ask.dcloud.net.cn_article_35205]

\#\#\#直接拨打电话  
[http://ask.dcloud.net.cn/question/4035][http_ask.dcloud.net.cn_question_4035]

\#\#\#将程序切换到后台  
[http://ask.dcloud.net.cn/question/2484][http_ask.dcloud.net.cn_question_2484]

\#\#\#强制弹出软键盘  
[http://ask.dcloud.net.cn/question/2324][http_ask.dcloud.net.cn_question_2324]

\#\#\#获取安卓设备device.uuid  
[http://ask.dcloud.net.cn/question/3510][http_ask.dcloud.net.cn_question_3510]

\#\#\#获取内存及CPU信息  
[http://ask.dcloud.net.cn/question/2202][http_ask.dcloud.net.cn_question_2202]

\#\#\#开启关闭蓝牙  
[http://ask.dcloud.net.cn/question/4720][http_ask.dcloud.net.cn_question_4720]

\#\#\#监听蓝牙开关状态  
[http://ask.dcloud.net.cn/article/274][http_ask.dcloud.net.cn_article_274]

\#\#\#获取蓝牙设备列表  
[http://ask.dcloud.net.cn/question/8265][http_ask.dcloud.net.cn_question_8265]

\#\#\#蓝牙连接票据打印机完整代码  
[http://ask.dcloud.net.cn/article/643][http_ask.dcloud.net.cn_article_643]

\#\#\#NFC数据读取  
[http://ask.dcloud.net.cn/question/6726][http_ask.dcloud.net.cn_question_6726]

\#\#\#截屏  
[http://ask.dcloud.net.cn/question/5344][http_ask.dcloud.net.cn_question_5344]

\#\#\#获取MAC地址  
[http://ask.dcloud.net.cn/question/1511][http_ask.dcloud.net.cn_question_1511]

\#\#\#获取设备当前网速  
[http://ask.dcloud.net.cn/article/773][http_ask.dcloud.net.cn_article_773]

\#\#\#打开网络设置  
[http://ask.dcloud.net.cn/question/1475][http_ask.dcloud.net.cn_question_1475]

\#\#\#打开各种系统设置界面  
[http://ask.dcloud.net.cn/question/14732][http_ask.dcloud.net.cn_question_14732]

\#\#\#获取WIFI列表  
[http://ask.dcloud.net.cn/question/12113][http_ask.dcloud.net.cn_question_12113]

\#\#\#调用系统控件播放视频  
[http://ask.dcloud.net.cn/question/614][http_ask.dcloud.net.cn_question_614]

\#\#\#调用os通讯录选择控件  
[http://ask.dcloud.net.cn/question/5783][http_ask.dcloud.net.cn_question_5783]

\#\#\#原生日历提醒插入  
[http://ask.dcloud.net.cn/article/215][http_ask.dcloud.net.cn_article_215]

### AlarmManager闹钟定时任务 ###

[https://ask.dcloud.net.cn/article/36125][https_ask.dcloud.net.cn_article_36125]

\#\#\#调用系统控件裁剪图片  
[http://ask.dcloud.net.cn/question/8314][http_ask.dcloud.net.cn_question_8314]

\#\#\#复制内容到系统粘贴板  
[http://ask.dcloud.net.cn/question/2034][http_ask.dcloud.net.cn_question_2034]

\#\#\#调用讯飞的文字转语音功能（TTS）  
[http://ask.dcloud.net.cn/question/6473][http_ask.dcloud.net.cn_question_6473]

\#\#\#调用其它Activity后通过startActivityForResult获取返回结果  
[http://ask.dcloud.net.cn/question/5783][http_ask.dcloud.net.cn_question_5783]

\#\#\#接收系统广播消息，如监听安装卸载apk的事件  
[http://ask.dcloud.net.cn/article/222][http_ask.dcloud.net.cn_article_222]

\#\#\#判断app是否安装  
[http://ask.dcloud.net.cn/question/7604][http_ask.dcloud.net.cn_question_7604]

\#\#\#以监听手机飞行模式开关为例说明如何使用Native.js进行BroadcastReceiver广播  
[http://ask.dcloud.net.cn/question/7661][http_ask.dcloud.net.cn_question_7661]

\#\#\#常驻Android通知栏，不用个推实现本地消息推送(Local Notification)  
[http://ask.dcloud.net.cn/question/2464][http_ask.dcloud.net.cn_question_2464]

\#\#\#调用原生的socket连接  
[http://ask.dcloud.net.cn/question/60][http_ask.dcloud.net.cn_question_60]

\#\#\#启动一个原生service  
[http://ask.dcloud.net.cn/question/433][http_ask.dcloud.net.cn_question_433]

\#\#\#基于native.js的文件系统管理功能实现  
[http://ask.dcloud.net.cn/article/809][http_ask.dcloud.net.cn_article_809]

\#\#\#打开闪光灯  
[http://ask.dcloud.net.cn/question/19379][http_ask.dcloud.net.cn_question_19379]

\#\#\#停止、开启个推推送功能

var pushManager = plus.android.importClass("com.igexin.sdk.PushManager");
    var context = plus.android.runtimeMainActivity();
    function enable() { 
        pushManager.getInstance().turnOnPush(context);
    }
    
    function disable() { 
        pushManager.getInstance().turnOffPush(context);
    }

感谢[yeahcheung][]分享

### 利用native.js获取手机gps是否开启 ###

[http://ask.dcloud.net.cn/question/11890][http_ask.dcloud.net.cn_question_11890]

### 通过native.js设置系统墙纸 ###

[http://ask.dcloud.net.cn/article/651][http_ask.dcloud.net.cn_article_651]

### 监听短信验证码 ###

[http://ask.dcloud.net.cn/article/676][http_ask.dcloud.net.cn_article_676]

### 遍历短信内容 ###

[https://ask.dcloud.net.cn/article/12934][https_ask.dcloud.net.cn_article_12934]

### 限制手机录像时间 ###

[http://ask.dcloud.net.cn/question/45756][http_ask.dcloud.net.cn_question_45756]

### Android监听电话呼入呼出 ###

[http://ask.dcloud.net.cn/article/1006][http_ask.dcloud.net.cn_article_1006]

### Android6以上动态权限申请 ###

[https://ask.dcloud.net.cn/article/35091][https_ask.dcloud.net.cn_article_35091]

### 通知栏下载进度条 ###

[https://ask.dcloud.net.cn/article/503][https_ask.dcloud.net.cn_article_503]

### 打开应用市场 ###

[https://ask.dcloud.net.cn/article/12753][https_ask.dcloud.net.cn_article_12753]

### 检查手机是否被root ###

[https://ask.dcloud.net.cn/article/36471][https_ask.dcloud.net.cn_article_36471]

\#\#iOS平台

\#\#\#跳转系统设置页面

var UIApplication = plus.ios.import("UIApplication");
    var application2 = UIApplication.sharedApplication();
    var NSURL2 = plus.ios.import("NSURL");
    var setting2 = NSURL2.URLWithString("app-settings:");
    application2.openURL(setting2);
    
    plus.ios.deleteObject(setting2);
    plus.ios.deleteObject(NSURL2);
    plus.ios.deleteObject(application2);

### 如何判断系统功能权限是否开启（比如定位、推送）及提示用户开启权限 ###

[https://ask.dcloud.net.cn/article/35915][https_ask.dcloud.net.cn_article_35915]

\#\#\#获取包名

var NSBundle = plus.ios.importClass('NSBundle');
    var bundle = NSBundle.mainBundle();
    console.log(bundle.bundleIdentifier());
    plus.ios.deleteObject(bundle);

\#\#\#获取设备名  
[http://ask.dcloud.net.cn/question/14691][http_ask.dcloud.net.cn_question_14691]

\#\#\#测试是否安装某应用  
[http://ask.dcloud.net.cn/question/14430][http_ask.dcloud.net.cn_question_14430]

\#\#\#调用iOS打印API  
[http://ask.dcloud.net.cn/question/4226][http_ask.dcloud.net.cn_question_4226]

\#\#\#通过native.js登入game center  
见Hello H5+里Native.js部分演示及源码。  
或在这里搜索“game center”，[http://ask.dcloud.net.cn/docs/\#http://ask.dcloud.net.cn/article/88][http_ask.dcloud.net.cn_docs_http_ask.dcloud.net.cn_article_88]

\#\#\#设置获取内容到系统粘贴板  
[http://ask.dcloud.net.cn/question/3720][http_ask.dcloud.net.cn_question_3720]

\#\#\#打开页面默认弹出键盘  
[http://ask.dcloud.net.cn/question/2324][http_ask.dcloud.net.cn_question_2324]

\#\#\#播放提示音  
[http://ask.dcloud.net.cn/question/3962][http_ask.dcloud.net.cn_question_3962]

\#\#\#调用ios的文字转语音（TTS）  
[http://ask.dcloud.net.cn/question/4175][http_ask.dcloud.net.cn_question_4175]

### 把base64数据保存为图片 ###

[http://ask.dcloud.net.cn/question/6190][http_ask.dcloud.net.cn_question_6190]

### 设置webview滑动减速度 ###

var webview = plus.ios.currentWebview();
    var scrollView = webview.plusGetAttribute("scrollView");
    scrollView.plusSetAttribute("decelerationRate:",0.99);

### 打开应用市场 ###

[https://ask.dcloud.net.cn/article/12753][https_ask.dcloud.net.cn_article_12753]

\#\#\#ios获取系统的时区id

var NSTimeZone = plus.ios.importClass("NSTimeZone");
    var sys = NSTimeZone.systemTimeZone();
    console.log(sys.plusGetAttribute("name"));

\#\#\#状态栏显示网络请求雪花

var UIApplication = plus.ios.import("UIApplication");
    var sharedApplication = UIApplication.sharedApplication();
    sharedApplication.setNetworkActivityIndicatorVisible(true);
    plus.ios.deleteObject(sharedApplication);

### 获取GPS授权状态 ###

var CLLocationManager = plus.ios.import("CLLocationManager");
    var authorizationStatus = CLLocationManager.authorizationStatus();
    switch(authorizationStatus) { 
          case 0:
          /// User has not yet made a choice with regards to this application
          break;
          case 1:
          // This application is not authorized to use location services. Due
    	// to active restrictions on location services, the user cannot change
    	// this status, and may not have personally denied authorization
          break;
          case 2:
            // User has explicitly denied authorization for this application, or
    	// location services are disabled in Settings.
          break;
          case 3:
            // User has granted authorization to use their location at any time,
    	// including monitoring for regions, visits, or significant location changes.
          break;
          case 4:
           // User has granted authorization to use their location only when your app
    	// is visible to them (it will be made visible to them if you continue to
    	// receive location updates while in the background). Authorization to use
    	// launch APIs has not been granted.
          break;
          case 5:
         // This value is deprecated, but was equivalent to the new -Always value.
          break;
          defalut:
          break;
    }

### 获取手机存储空间 ###

var BundleClass = plus.ios.importClass("NSBundle");
    var BundleObj = BundleClass.mainBundle();
    var filenamagerobj = plus.ios.newObject("NSFileManager");
    var FileAttr = plus.ios.invoke(filenamagerobj,"attributesOfFileSystemForPath:error:",BundleObj.bundlePath(),null);
    // NSFileSystemFreeSize 参数获取剩余空间
    // NSFileSystemSize  获取手机总存储空间
    var freeSpace = plus.ios.invoke(FileAttr,"objectForKey:","NSFileSystemFreeSize");
    var numberFormatterObj = plus.ios.newObject("NSNumberFormatter");
    var FreeSpaceStr = plus.ios.invoke(numberFormatterObj,"stringFromNumber:",freeSpace);
    var freeSpace = FreeSpaceStr / 1024/1024/1024;

### 打开/关闭手机的闪光灯 ###

### 显示应用内的ViewController ###

// NewViewController为应用内创建的原生的ViewController类名,所调用页面的内容需要在原生代码中完成
    var newVCobj = plus.ios.newObject("NewViewController");
    var UIApplicationClass = plus.ios.importClass("UIApplication");
    var UIAppObj = UIApplicationClass.sharedApplication();
    var del = plus.ios.invoke(UIAppObj,"delegate");
    // 如果当前应用delegate对象包含UIWindow对象并且变量名命名为“window”可以这么写，
    // 否则需要根据实际代码情况修改
    // 应用的delegate对象也可以添加一个返回UIViewController的方法
    var appWindowObj = plus.ios.invoke(del,"window");
    var appRootController = plus.ios.invoke(appWindowObj,"rootViewController");
    plus.ios.invoke(appRootController,"presentViewController:animated:completion:",newVCobj,"YES",null);

看完这些例子，是不是觉得JS特别强大？  
赶快拿去用起来吧！

[http_ask.dcloud.net.cn_article_35205]: http://ask.dcloud.net.cn/article/35205
[http_ask.dcloud.net.cn_question_4035]: http://ask.dcloud.net.cn/question/4035
[http_ask.dcloud.net.cn_question_2484]: http://ask.dcloud.net.cn/question/2484
[http_ask.dcloud.net.cn_question_2324]: http://ask.dcloud.net.cn/question/2324
[http_ask.dcloud.net.cn_question_3510]: http://ask.dcloud.net.cn/question/3510
[http_ask.dcloud.net.cn_question_2202]: http://ask.dcloud.net.cn/question/2202
[http_ask.dcloud.net.cn_question_4720]: http://ask.dcloud.net.cn/question/4720
[http_ask.dcloud.net.cn_article_274]: http://ask.dcloud.net.cn/article/274
[http_ask.dcloud.net.cn_question_8265]: http://ask.dcloud.net.cn/question/8265
[http_ask.dcloud.net.cn_article_643]: http://ask.dcloud.net.cn/article/643
[http_ask.dcloud.net.cn_question_6726]: http://ask.dcloud.net.cn/question/6726
[http_ask.dcloud.net.cn_question_5344]: http://ask.dcloud.net.cn/question/5344
[http_ask.dcloud.net.cn_question_1511]: http://ask.dcloud.net.cn/question/1511
[http_ask.dcloud.net.cn_article_773]: http://ask.dcloud.net.cn/article/773
[http_ask.dcloud.net.cn_question_1475]: http://ask.dcloud.net.cn/question/1475
[http_ask.dcloud.net.cn_question_14732]: http://ask.dcloud.net.cn/question/14732
[http_ask.dcloud.net.cn_question_12113]: http://ask.dcloud.net.cn/question/12113
[http_ask.dcloud.net.cn_question_614]: http://ask.dcloud.net.cn/question/614
[http_ask.dcloud.net.cn_question_5783]: http://ask.dcloud.net.cn/question/5783
[http_ask.dcloud.net.cn_article_215]: http://ask.dcloud.net.cn/article/215
[https_ask.dcloud.net.cn_article_36125]: https://ask.dcloud.net.cn/article/36125
[http_ask.dcloud.net.cn_question_8314]: http://ask.dcloud.net.cn/question/8314
[http_ask.dcloud.net.cn_question_2034]: http://ask.dcloud.net.cn/question/2034
[http_ask.dcloud.net.cn_question_6473]: http://ask.dcloud.net.cn/question/6473
[http_ask.dcloud.net.cn_article_222]: http://ask.dcloud.net.cn/article/222
[http_ask.dcloud.net.cn_question_7604]: http://ask.dcloud.net.cn/question/7604
[http_ask.dcloud.net.cn_question_7661]: http://ask.dcloud.net.cn/question/7661
[http_ask.dcloud.net.cn_question_2464]: http://ask.dcloud.net.cn/question/2464
[http_ask.dcloud.net.cn_question_60]: http://ask.dcloud.net.cn/question/60
[http_ask.dcloud.net.cn_question_433]: http://ask.dcloud.net.cn/question/433
[http_ask.dcloud.net.cn_article_809]: http://ask.dcloud.net.cn/article/809
[http_ask.dcloud.net.cn_question_19379]: http://ask.dcloud.net.cn/question/19379
[yeahcheung]: http://ask.dcloud.net.cn/people/yeahcheung
[http_ask.dcloud.net.cn_question_11890]: http://ask.dcloud.net.cn/question/11890
[http_ask.dcloud.net.cn_article_651]: http://ask.dcloud.net.cn/article/651
[http_ask.dcloud.net.cn_article_676]: http://ask.dcloud.net.cn/article/676
[https_ask.dcloud.net.cn_article_12934]: https://ask.dcloud.net.cn/article/12934
[http_ask.dcloud.net.cn_question_45756]: http://ask.dcloud.net.cn/question/45756
[http_ask.dcloud.net.cn_article_1006]: http://ask.dcloud.net.cn/article/1006
[https_ask.dcloud.net.cn_article_35091]: https://ask.dcloud.net.cn/article/35091
[https_ask.dcloud.net.cn_article_503]: https://ask.dcloud.net.cn/article/503
[https_ask.dcloud.net.cn_article_12753]: https://ask.dcloud.net.cn/article/12753
[https_ask.dcloud.net.cn_article_36471]: https://ask.dcloud.net.cn/article/36471
[https_ask.dcloud.net.cn_article_35915]: https://ask.dcloud.net.cn/article/35915
[http_ask.dcloud.net.cn_question_14691]: http://ask.dcloud.net.cn/question/14691
[http_ask.dcloud.net.cn_question_14430]: http://ask.dcloud.net.cn/question/14430
[http_ask.dcloud.net.cn_question_4226]: http://ask.dcloud.net.cn/question/4226
[http_ask.dcloud.net.cn_docs_http_ask.dcloud.net.cn_article_88]: http://ask.dcloud.net.cn/docs/#http://ask.dcloud.net.cn/article/88
[http_ask.dcloud.net.cn_question_3720]: http://ask.dcloud.net.cn/question/3720
[http_ask.dcloud.net.cn_question_3962]: http://ask.dcloud.net.cn/question/3962
[http_ask.dcloud.net.cn_question_4175]: http://ask.dcloud.net.cn/question/4175
[http_ask.dcloud.net.cn_question_6190]: http://ask.dcloud.net.cn/question/6190