Java ConnectivityManager.isActiveNetworkMetered方法代码示例

import android.net.ConnectivityManager; //导入方法依赖的package包/类
/**
 * Gets the state of internet availability, whether there is no connection at all,
 * whether the connection has no usage limit (like most WiFi), or whether this is
 * a metered connection like most cellular plans or hotspot WiFi connections.
 */
private static int getNetworkState(Context context) {
    ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);

    NetworkInfo activeNetwork = cm.getActiveNetworkInfo();
    if (activeNetwork == null || !activeNetwork.isConnected()) {
        return FLAG_NET_UNAVAILABLE;
    }

    int networkType = activeNetwork.getType();
    switch (networkType) {
        case ConnectivityManager.TYPE_ETHERNET:
        case ConnectivityManager.TYPE_WIFI:
            if (Build.VERSION.SDK_INT >= 16 && cm.isActiveNetworkMetered()) {
                return FLAG_NET_METERED;
            } else {
                return FLAG_NET_NO_LIMIT;
            }
        default:
            return FLAG_NET_METERED;
    }
}
 

import android.net.ConnectivityManager; //导入方法依赖的package包/类
@Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        ((TextView) findViewById(R.id.text)).setCompoundDrawablesWithIntrinsicBounds(
                getDrawable(R.drawable.ic_action_name),
                null,
                null,
                null
        );

        ConnectivityManager c = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
        c.isActiveNetworkMetered();

//        createConfigurationContext(getResources().getConfiguration());
    }
 

import android.net.ConnectivityManager; //导入方法依赖的package包/类
@SuppressLint({"NewApi"})
public boolean isUnmeteredNetworkConnected() {
    ConnectivityManager connectivityManager = (ConnectivityManager) HttpService.this.getApplicationContext().getSystemService("connectivity");
    NetworkInfo activeNetworkInfo = connectivityManager.getActiveNetworkInfo();
    if (activeNetworkInfo != null) {
        if (activeNetworkInfo.getType() == 1) {
            return true;
        }
        if (VERSION.SDK_INT >= 16) {
            return !connectivityManager.isActiveNetworkMetered();
        }
    }
    return false;
}
 

import android.net.ConnectivityManager; //导入方法依赖的package包/类
private boolean mayPrerender(CustomTabsSessionToken session) {
    if (!DeviceClassManager.enablePrerendering()) return false;
    // TODO(yusufo): The check for prerender in PrivacyManager now checks for the network
    // connection type as well, we should either change that or add another check for custom
    // tabs. Then PrivacyManager should be used to make the below check.
    if (!PrefServiceBridge.getInstance().getNetworkPredictionEnabled()) return false;
    if (DataReductionProxySettings.getInstance().isDataReductionProxyEnabled()) return false;
    ConnectivityManager cm =
            (ConnectivityManager) mApplication.getApplicationContext().getSystemService(
                    Context.CONNECTIVITY_SERVICE);
    return !cm.isActiveNetworkMetered() || shouldPrerenderOnCellularForSession(session);
}
 

import android.net.ConnectivityManager; //导入方法依赖的package包/类
public static boolean isUnmetered(Context context) {
    ConnectivityManager manager = getConnectivityManager(context);
    NetworkInfo info = getActiveNetworkInfo(manager);
    return info != null && info.isConnected() && !manager.isActiveNetworkMetered();
}
 

import android.net.ConnectivityManager; //导入方法依赖的package包/类
public static boolean isMetered(Context context) {
    ConnectivityManager manager = getConnectivityManager(context);
    NetworkInfo info = getActiveNetworkInfo(manager);
    return info != null && info.isConnected() && manager.isActiveNetworkMetered();
}
 

import android.net.ConnectivityManager; //导入方法依赖的package包/类
static boolean isActiveNetworkMetered(Context context) {
    if (sIsNetworkListenerDisabled) return sIsNetworkMetered;
    ConnectivityManager cm =
            (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
    return cm.isActiveNetworkMetered();
}
 

import android.net.ConnectivityManager; //导入方法依赖的package包/类
private static String uploadStream(MainActivity context, InputStream is, String RequestURL, String name, final String filename) throws IOException {
    String BOUNDARY = UUID.randomUUID().toString();

    ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
    boolean isMetered = cm.isActiveNetworkMetered();
    if (isMetered) {
        if (prepareDialog) {
            askForMeteredConn(context);
            if (regardlessOfMeteredConnection) {
                prepareDialog = false;
            }
        }
        if (!regardlessOfMeteredConnection) {
            throw new IOException("canceled due to metered connection");
        }
    }

    URL url = new URL(RequestURL);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    conn.setReadTimeout(READ_TIME_OUT);
    conn.setConnectTimeout(CONNECT_TIME_OUT);
    conn.setDoInput(true);
    conn.setDoOutput(true);
    conn.setUseCaches(false);
    conn.setRequestMethod("POST");
    conn.setRequestProperty("Charset", CHARSET);
    conn.setRequestProperty("Connection", "keep-alive");
    conn.setRequestProperty("Content-Type", CONTENT_TYPE + "; boundary=" + BOUNDARY);
    OutputStream outputSteam = conn.getOutputStream();
    DataOutputStream dos = new DataOutputStream(outputSteam);
    String sb = PREFIX +
            BOUNDARY + LINE_END +
            "Content-Disposition: form-data; name=\"" + name + "\"; filename=\"" + filename + "\"" + LINE_END +
            "Content-Type: application/octet-stream; charset=" + CHARSET + LINE_END +
            LINE_END;
    dos.write(sb.getBytes());
    byte[] bytes = new byte[1024];
    int len;
    while ((len = is.read(bytes)) != -1) {
        dos.write(bytes, 0, len);
    }
    is.close();
    dos.write(LINE_END.getBytes());
    byte[] end_data = (PREFIX + BOUNDARY + PREFIX + LINE_END).getBytes();
    dos.write(end_data);
    dos.flush();
    int res = conn.getResponseCode();
    if (res == 200) return conn.getResponseMessage();
    throw new IOException("response code: " + res);
}
 

import android.net.ConnectivityManager; //导入方法依赖的package包/类
public static boolean isActiveNetworkMetered(ConnectivityManager cm) {
    return cm.isActiveNetworkMetered();
}