1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
|
public class MainActivity extends Activity
{
static final String ACTION_SCAN = "com.google.zxing.client.android.SCAN";
private ProgressDialog pDialog;
public static final int progress_bar_type = 0;
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
//On essaie d'ouvrir un lecteur de QRcode, si oui : on lit; si non : on en télécharge un
public void scanQR(View v)
{
try
{
Intent intent = new Intent(ACTION_SCAN);
intent.putExtra("SCAN MODE", "QR_CODE_MODE");
startActivityForResult(intent, 0);
}
catch (ActivityNotFoundException anfe)
{
showDialog(MainActivity.this, "Aucun scanner trouvé.", "En télécharger un ?", "Oui", "Non").show();
}
}
//On demande à l'utilisateur d'installer un lecteur de QRcode
private static AlertDialog showDialog(final Activity act, CharSequence title, CharSequence message, CharSequence buttonYes, CharSequence buttonNo)
{
AlertDialog.Builder downloadDialog = new AlertDialog.Builder(act);
downloadDialog.setTitle(title);
downloadDialog.setMessage(message);
downloadDialog.setPositiveButton(buttonYes, new DialogInterface.OnClickListener()
{
public void onClick(DialogInterface dialogInterface, int i)
{
Uri uri = Uri.parse("market://search?q=pname:" + "com.google.zxing.client.android");
Intent intent = new Intent(Intent.ACTION_VIEW, uri);
try {
act.startActivity(intent);
}
catch (ActivityNotFoundException ignored)
{
}
}
});
downloadDialog.setNegativeButton(buttonNo, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialogInterface, int i)
{
}
});
return downloadDialog.show();
}
@Override
protected Dialog onCreateDialog(int id) {
switch (id) {
case progress_bar_type:
pDialog = new ProgressDialog(this);
pDialog.setMessage("Telechargement en cours...");
pDialog.setIndeterminate(false);
pDialog.setMax(100);
pDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
pDialog.setCancelable(true);
pDialog.show();
return pDialog;
default:
return null;
}
}
public void onActivityResult(int requestCode, int resultCode, Intent intent)
{
if (requestCode == 0) {
if (resultCode == RESULT_OK) {
String contents = intent.getStringExtra("SCAN_RESULT");
setContentView(R.layout.activity_download);
DownloadTask mDownload = new DownloadTask();
mDownload.execute(contents);
}
}
}
//On télécharge le certificat, on l'installe (ce qui le déplace dans le keystore) puis, si il reste des traces, on le supprime
class DownloadTask extends AsyncTask<String, String, String> {
@Override
protected void onPreExecute() {
super.onPreExecute();
showDialog(progress_bar_type);
}
@Override
protected String doInBackground(String ...f_url) {
try {
Context context = getApplicationContext();
URL url = new URL(f_url[0]);
URLConnection connection = url.openConnection();
connection.connect();
int fileLength = connection.getContentLength();
String fileName = url.getFile().substring(url.getFile().lastIndexOf('/') + 1);
File file = new File(context.getFilesDir().getAbsolutePath() + "/" + fileName);
if (file.exists()) {
file.delete();
}
InputStream input = new BufferedInputStream(url.openStream());
byte[] buffer = new byte[1024];
long total = 0;
FileOutputStream output = context.openFileOutput(fileName, Context.MODE_PRIVATE);
int count;
while ((count = input.read(buffer)) != -1)
{
total += count;
publishProgress("" + (int)((total * 100) / fileLength));
output.write(buffer, 0, count);
}
output.flush();
output.close();
if (file.exists()) {
Intent intent = KeyChain.createInstallIntent();
file = new File(context.getFilesDir().getAbsolutePath() + "/" + fileName);
byte[] p12 = FileUtils.readFileToByteArray(file);
intent.putExtra(KeyChain.EXTRA_PKCS12, p12);
startActivity(intent);
file = new File(context.getFilesDir().getAbsolutePath() + "/" + fileName);
if (file.exists()) {
file.delete();
}
}
else
return null;
} catch (Exception e) {
Log.e("Error: ", e.getMessage());
}
return (null);
}
@Override
protected void onProgressUpdate(String... values) {
pDialog.setProgress(Integer.parseInt(values[0]));
}
@Override
protected void onPostExecute(String fileName) {
try {
wait(100);
}
catch (Exception e) {
Log.e("Error;", e.getMessage());
}
dismissDialog(progress_bar_type);
TextView text = (TextView)findViewById(R.id.textView);
text.setText("Téléchargement terminé, installation en cours");
}
}
} |
