“Android überprüfen Internet” Code-Antworten

Android überprüfen Internet

class NetWorkInfoUtility {

    public boolean isWifiEnable() {
        return isWifiEnable;
    }

    public void setIsWifiEnable(boolean isWifiEnable) {
        this.isWifiEnable = isWifiEnable;
    }

    public boolean isMobileNetworkAvailable() {
        return isMobileNetworkAvailable;
    }

    public void setIsMobileNetworkAvailable(boolean isMobileNetworkAvailable) {
        this.isMobileNetworkAvailable = isMobileNetworkAvailable;
    }

    private boolean isWifiEnable = false;
    private boolean isMobileNetworkAvailable = false;

    public boolean isNetWorkAvailableNow(Context context) {
        boolean isNetworkAvailable = false;

        ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);

        setIsWifiEnable(connectivityManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI).isConnected());
        setIsMobileNetworkAvailable(connectivityManager.getNetworkInfo(ConnectivityManager.TYPE_MOBILE).isConnected());

        if (isWifiEnable() || isMobileNetworkAvailable()) {
            /*Sometime wifi is connected but service provider never connected to internet
            so cross check one more time*/
            if (isOnline())
                isNetworkAvailable = true;
        }

        return isNetworkAvailable;
    }

    public boolean isOnline() {
        /*Just to check Time delay*/
        long t = Calendar.getInstance().getTimeInMillis();

        Runtime runtime = Runtime.getRuntime();
        try {
            /*Pinging to Google server*/
            Process ipProcess = runtime.exec("/system/bin/ping -c 1 8.8.8.8");
            int exitValue = ipProcess.waitFor();
            return (exitValue == 0);
        } catch (IOException e) {
            e.printStackTrace();
        } catch (InterruptedException e) {
            e.printStackTrace();
        } finally {
            long t2 = Calendar.getInstance().getTimeInMillis();
            Log.i("NetWork check Time", (t2 - t) + "");
        }
        return false;
    }
}
Lonely Llama

Android überprüfen Internet

/**
 * @author Pratik Butani
 */
public class InternetConnection {

    /**
     * CHECK WHETHER INTERNET CONNECTION IS AVAILABLE OR NOT
     */
    public static boolean checkConnection(Context context) {
        final ConnectivityManager connMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);

        if (connMgr != null) {
            NetworkInfo activeNetworkInfo = connMgr.getActiveNetworkInfo();

            if (activeNetworkInfo != null) { // connected to the internet
                // connected to the mobile provider's data plan
                if (activeNetworkInfo.getType() == ConnectivityManager.TYPE_WIFI) {
                    // connected to wifi
                    return true;
                } else return activeNetworkInfo.getType() == ConnectivityManager.TYPE_MOBILE;
            }
        }
        return false;
    }
}
Lonely Llama

Android überprüfen Internet

new CheckNetworkConnection(this, new CheckNetworkConnection.OnConnectionCallback() {

    @Override
    public void onConnectionSuccess() {
        Toast.makeText(context, "onSuccess()", toast.LENGTH_SHORT).show();
    }

    @Override
    public void onConnectionFail(String msg) {
        Toast.makeText(context, "onFail()", toast.LENGTH_SHORT).show();
    }
}).execute();
Lonely Llama

Android überprüfen Internet

public class CheckNetworkConnection extends AsyncTask < Void, Void, Boolean > {
    private OnConnectionCallback onConnectionCallback;
    private Context context;

    public CheckNetworkConnection(Context con, OnConnectionCallback onConnectionCallback) {
        super();
        this.onConnectionCallback = onConnectionCallback;
        this.context = con;
    }

    @Override
    protected void onPreExecute() {
        super.onPreExecute();
    }

    @Override
    protected Boolean doInBackground(Void...params) {
        if (context == null)
            return false;

        boolean isConnected = new NetWorkInfoUtility().isNetWorkAvailableNow(context);
        return isConnected;
    }

    @Override
    protected void onPostExecute(Boolean b) {
        super.onPostExecute(b);

        if (b) {
            onConnectionCallback.onConnectionSuccess();
        } else {
            String msg = "No Internet Connection";
            if (context == null)
                msg = "Context is null";
            onConnectionCallback.onConnectionFail(msg);
        }

    }

    public interface OnConnectionCallback {
        void onConnectionSuccess();

        void onConnectionFail(String errorMsg);
    }
}
Lonely Llama

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