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當我的應用程序在Android中運行時,如何打開Wifi?

[英]How can I turn Wifi on when my application runs in Android?

當我啟動我的Twitter應用程序時,如何通過編碼自動打開WiFi?

我沒有試過這個,但它應該工作:

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

將此權限添加到清單文件:

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

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

  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);
            }
        }

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