Android Open Source - final_app Wifi Result Handler

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CC0 1.0 Universal Statement of Purpose The laws of most jurisdictions throughout the world automatically confer exclusive Copyright and Related Rights (defined below) upon the creator and subsequent...

Java Source Code

/*
 * Copyright (C) 2008 ZXing authors/*from  ww  w .  ja  v  a  2 s.  co  m*/
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.zxing.client.android.result;

import android.app.Activity;
import android.content.Context;
import android.net.wifi.WifiManager;
import android.os.AsyncTask;
import android.util.Log;
import android.widget.Toast;

import com.google.zxing.client.android.CaptureActivity;
import com.google.zxing.client.android.R;
import com.google.zxing.client.android.wifi.WifiConfigManager;
import com.google.zxing.client.result.ParsedResult;
import com.google.zxing.client.result.WifiParsedResult;

/**
 * Handles address book entries.
 * 
 * @author Vikram Aggarwal
 * @author Sean Owen
 */
public final class WifiResultHandler extends ResultHandler {

  private static final String TAG = WifiResultHandler.class.getSimpleName();

  private final CaptureActivity parent;

  public WifiResultHandler(CaptureActivity activity, ParsedResult result) {
    super(activity, result);
    parent = activity;
  }

  @Override
  public int getButtonCount() {
    // We just need one button, and that is to configure the wireless. This could change in the future.
    return 1;
  }

  @Override
  public int getButtonText(int index) {
    return R.string.button_wifi;
  }

  @Override
  public void handleButtonPress(int index) {
    if (index == 0) {
      WifiParsedResult wifiResult = (WifiParsedResult) getResult();
      WifiManager wifiManager = (WifiManager) getActivity().getSystemService(Context.WIFI_SERVICE);
      if (wifiManager == null) {
        Log.w(TAG, "No WifiManager available from device");
        return;
      }
      final Activity activity = getActivity();
      activity.runOnUiThread(new Runnable() {
        @Override
        public void run() {
          Toast.makeText(activity.getApplicationContext(), R.string.wifi_changing_network, Toast.LENGTH_SHORT).show();
        }
      });
      new WifiConfigManager(wifiManager).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, wifiResult);
      parent.restartPreviewAfterDelay(0L);
    }
  }

  // Display the name of the network and the network type to the user.
  @Override
  public CharSequence getDisplayContents() {
    WifiParsedResult wifiResult = (WifiParsedResult) getResult();
    StringBuilder contents = new StringBuilder(50);
    String wifiLabel = parent.getString(R.string.wifi_ssid_label);
    ParsedResult.maybeAppend(wifiLabel + '\n' + wifiResult.getSsid(), contents);
    String typeLabel = parent.getString(R.string.wifi_type_label);
    ParsedResult.maybeAppend(typeLabel + '\n' + wifiResult.getNetworkEncryption(), contents);
    return contents.toString();
  }

  @Override
  public int getDisplayTitle() {
    return R.string.result_wifi;
  }
}

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