src/org/average/nfcauthcr/NFCAuthCREnroll.java

   1 package org.average.nfcauthcr;
   2
   3 import android.os.Bundle;
   4 import android.app.Activity;
   5 import android.app.AlertDialog;
   6 import android.preference.PreferenceManager;
   7 import android.content.Intent;
   8 import android.content.SharedPreferences;
   9 import android.content.SharedPreferences.Editor;
  10 import android.content.DialogInterface;
  11 import android.util.Log;
  12 import android.view.View;
  13 import android.widget.TextView;
  14 import android.widget.RadioButton;
  15
  16 import org.average.nfcauthcr.NFCAuthCRCheck;
  17
  18 public class NFCAuthCREnroll extends Activity {
  19
  20         private final String TAG = getClass().getName();
  21
  22         private static boolean waitingForResult = false;
  23         private static SharedPreferences prefs;
  24         private static int slot;
  25
  26         @Override
  27         protected void onCreate(Bundle savedInstanceState)
  28         {
  29                 super.onCreate(savedInstanceState);
  30                 Log.v(TAG, "Starting");
  31                 prefs = PreferenceManager.getDefaultSharedPreferences(this);
  32         }
  33
  34         @Override
  35         protected void onResume() {
  36                 super.onResume();
  37                 setContentView(R.layout.main);
  38                 slot = prefs.getInt("slot_number", -1);
  39                 Log.v(TAG, "found saved slot value " + slot);
  40                 RadioButton btn = null;
  41                 switch (slot) {
  42                 case 1: btn = (RadioButton)findViewById(R.id.slot_1);
  43                         break;
  44                 case 2: btn = (RadioButton)findViewById(R.id.slot_2);
  45                         break;
  46                 }
  47                 if (btn != null) btn.setChecked(true);
  48         }
  49
  50         @Override
  51         protected void onPause() {
  52                 super.onPause();
  53                 Log.v(TAG, "Going inactive, try to stop");
  54                 if (!waitingForResult) { finish(); }
  55         }
  56
  57         @Override
  58         protected void onStop() {
  59                 super.onStop();
  60                 Log.v(TAG, "Stop requested");
  61         }
  62
  63         public void onSlotSelectionClicked(View view) {
  64                 Log.v(TAG, "Radio Button selected");
  65                 if (! ((RadioButton) view).isChecked()) return;
  66                 switch(view.getId()) {
  67                 case R.id.slot_1: slot=1; break;
  68                 case R.id.slot_2: slot=2; break;
  69                 }
  70                 Editor editor = prefs.edit();
  71                 editor.putInt("slot_number", slot);
  72                 editor.commit();
  73                 Log.v(TAG, "stored slot number " + slot);
  74         }
  75
  76         public void onEnrollClicked(View view) {
  77                 Log.v(TAG, "Enroll clicked");
  78                 if (slot > 0) {
  79                         runChallenge(slot);
  80                 } else {
  81                         showEnrollResult("Must specify which slot to use");
  82                 }
  83         }
  84
  85         public void onActivityResult(int requestCode, int resultCode,
  86                                         Intent intent) {
  87                 Log.v(TAG, "Got activity result");
  88                 waitingForResult = false;
  89                 if (resultCode == RESULT_OK) {
  90                         String res = intent.getStringExtra("response");
  91                         Log.v(TAG, "Response is \"" + res + "\"");
  92                 } else {
  93                         Log.v(TAG, "Error result code " + resultCode);
  94                 }
  95         }
  96
  97         private void showEnrollResult(final String msg) {
  98                 Log.v(TAG, "Show result: \"" + msg + "\"");
  99
 100                 AlertDialog.Builder builder = new AlertDialog.Builder(this);
 101                 builder.setTitle(R.string.enrollresult);
 102                 builder.setMessage(msg);
 103                 builder.setPositiveButton(android.R.string.ok,
 104                                 new DialogInterface.OnClickListener() {
 105                         public void onClick(DialogInterface dialog, int which) {
 106                                 dialog.dismiss();
 107                                 if (!waitingForResult) { finish(); }
 108                         }
 109                 });
 110                 AlertDialog dialog = builder.create();
 111                 dialog.show();
 112         }
 113
 114         private void runChallenge(int slot) {
 115                 Log.v(TAG, "Launching challenging activity");
 116                 Intent crIntent = new Intent(this, NFCAuthCRCheck.class);
 117                 crIntent.putExtra("slot", slot);
 118                 this.startActivityForResult(crIntent, 0);
 119                 waitingForResult = true;
 120         }
 121 }