Android Open Source - WiFiKeyView Show Password

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License

The source code is released under:

Apache License

Java Source Code

package com.whd.wifikeyview;
/*  w  ww .j  a  v  a2s.c  o m*/
import com.whd.wifikeyview.network.NetworkListener;
import com.whd.wifikeyview.network.NetworkParser.Network;
import com.whd.wifikeyview.network.NetworkParser.SupplicantKey;

import android.app.AlertDialog;
import android.content.ClipData;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.Intent;
import android.content.pm.PackageManager.NameNotFoundException;
import android.view.Gravity;
import android.view.ViewGroup.LayoutParams;
import android.widget.TableLayout;
import android.widget.TableRow;
import android.widget.TextView;
import android.widget.Toast;

//TODO https://github.com/culmor30/android-fragments-example/blob/master/src/com/culmor30/fragmentsTesting/FragmentsTestingActivity.java
public class ShowPassword implements NetworkListener {
  
  private Context mContext;
  private Context activity;
  
  public ShowPassword(Context context) {
    activity = context;
    
    try {
      mContext = context.createPackageContext
        ("com.whd.wifikeyview", Context.CONTEXT_IGNORE_SECURITY);
    } catch (NameNotFoundException nnfe) {
      nnfe.printStackTrace();
      throw (new RuntimeException("Package name not found"));
    }
  }

  @Override
  public void onParserDone(final Network network) {
    if (network == null) {
      WiFiKeyView.log("ShowPassword#onParserDone(Network); Network was null!!");
      return;
    }
    
    TableLayout showPasswordTable = new TableLayout(mContext);
    showPasswordTable.setStretchAllColumns(true);
    
    // Read all network entries and add those with data
    for (SupplicantKey key : SupplicantKey.values()) {
      String value = network.get(key);
      if ( (value != null) && (!value.equals("")) ) {
        showPasswordTable.addView(
            generateTableRow(mContext.getString(key.getString()), value)
        );
      }
    }
    
    // Get PSK and password
    String psk = network.get(SupplicantKey.PSK);
    String password = network.get(SupplicantKey.PASSWORD);
    
    // Copy PSK to clip board if preference is set
    if (WiFiKeyView.doCopyPSK() && (psk != null) && (!psk.equals("")) ) {
      copyToClipboard(psk);
    }
      
    // Copy password to clip board if preference is set
    if (WiFiKeyView.doCopyPassword() && (password != null) && (!password.equals("")) ) {
      copyToClipboard(password);
    }
    
    // Show results to the user
    AlertDialog dialog = new AlertDialog.Builder(activity)
        .setTitle(network.get(SupplicantKey.SSID))
        .setView(showPasswordTable)
        .setPositiveButton(mContext.getString(R.string.copy), new OnClickListener() {
          @Override
          public void onClick(DialogInterface dialog, int which) {
            
            // Get psk and password
            String psk = network.get(SupplicantKey.PSK);
            String password = network.get(SupplicantKey.PASSWORD);
            
            // Copy the right one to the clipboard
            if ( (psk != null) && (!psk.equals("")) ) {
              copyToClipboard(psk);
            } else if ( (password != null) && (!password.equals("")) ) {
              copyToClipboard(password);
            }
          }
        })
        .setNegativeButton(mContext.getString(R.string.cancel), new OnClickListener() {
          @Override
          public void onClick(DialogInterface dialog, int which) {
            dialog.dismiss();
          }
        })
        .create();
    dialog.show();
  }
  
  @SuppressWarnings("deprecation")
  private void copyToClipboard(String text) {
    // Get reference to the clipboardmanager, we do not know what version we have
    Object clipboardManager = mContext.getSystemService(Context.CLIPBOARD_SERVICE);
          
    // If it is an instance of the ClipboardManager in content package, cast it
    if (clipboardManager instanceof android.content.ClipboardManager) {
      ((android.content.ClipboardManager) clipboardManager).setPrimaryClip(ClipData.newPlainText("", text));
          
    // Otherwise it is the one in text package
    } else {
      ((android.text.ClipboardManager) clipboardManager).setText(text);
    }
          
    // Visual feedback
    Toast.makeText(mContext, mContext.getString(R.string.password_copied), Toast.LENGTH_SHORT).show();
  }
  
  // TODO
  // Custom strings?
  @SuppressWarnings("unused")
  private void share() {
    // Create intent for sharing and set data
    Intent share = new Intent();
    share.setAction(Intent.ACTION_SEND);
    share.putExtra(Intent.EXTRA_TEXT, "SSID: " /*+ ssid + "\n"*/ +  mContext.getString(R.string.password) + " "/* + password*/);
    share.setType("text/plain");
          
    // Send the intent
    mContext.startActivity(Intent.createChooser(share, mContext.getString(R.string.share_password_to)));
  }
  
  /**
   * Display a row from the supplicant file in a human readable way
   * 
   * @param key
   *   : The key for the entry
   * @param value
   *   : The value for the entry
   * @return
   *   : A TableRow object to be displayed
   */
  private TableRow generateTableRow(String key, String value) {
    // Generate row layout
    TableRow row = new TableRow(mContext);
    row.setLayoutParams(new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT));
    
    // Add the key to the layout
    TextView tv_key = new TextView(mContext);
    tv_key.setText(key);
    tv_key.setPadding(15, 0, 0, 0);
    row.addView(tv_key);
    
    // Add the value to the layout
    TextView value_key = new TextView(mContext);
    value_key.setText(value);
    value_key.setPadding(0, 0, 15, 0);
    value_key.setGravity(Gravity.RIGHT);
    row.addView(value_key);
    
    return row;
  }
}

Java Source Code List

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