2011-09-30 117 views

回答

5

我还没有试过,但它应该工作:

WifiManager wifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE); 
if (wifiManager != null) 
    wifiManager.setWifiEnabled(true); 

此权限添加到清单文件:

<uses-permission android:name="android.permission.CHANGE_WIFI_STATE" /> 
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" /> 
+0

我要写的地方.. – user960845

+0

请帮我.. – user960845

+0

什么是_wifiLock ..我们必须使用它 – user960845

-1
if (text.indexOf("wi-fi") != -1) { 
      if (text.indexOf("on") != -1) { 
       WifiManager wifi = (WifiManager) this.getApplicationContext().getSystemService(Context.WIFI_SERVICE); 
       if (wifi.isWifiEnabled()) { 
        Toast.makeText(MainActivity.this, "Already WiFi is Enabled", Toast.LENGTH_SHORT).show(); 
        tts.speak("Already WiFi is Enabled", TextToSpeech.QUEUE_ADD, null); 
       } 
      else { 
       wifi.setWifiEnabled(true); 
       Toast.makeText(MainActivity.this,"Turning on",Toast.LENGTH_SHORT).show(); 
       Toast.makeText(MainActivity.this, "Turning on wifi", Toast.LENGTH_SHORT).show(); 
       tts.speak("Turning on wifi", TextToSpeech.QUEUE_ADD, null); 
      } 
     } 
+0

请添加更多关于你的答案的信息。 –

0

如果(text.indexOf( “关”)! = -1){WifiManager wifi =(WifiManager)this.getApplicationContext()。getSystemService(Context.WIFI_SERVICE);如果(!wifi.isWifiEnabled()){Toast.makeText(MainActivity.this,“Already WiFi is Disabled”,Toast.LENGTH_SHORT).show(); tts.speak(“已禁用WiFi”,TextToSpeech.QUEUE_ADD,null); } else {wifi.setWifiEnabled(false); Toast.makeText(MainActivity.this,“关闭wifi”Toast.LENGTH_SHORT).show(); tts.speak(“关闭wifi”,TextToSpeech.QUEUE_ADD,null); }}

+0

请格式化代码并解释它如何解决问题。 – MikaS

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