integrate NFC into key view and import activities

1 files changed, 101 insertions, 0 deletions

diff --git a/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/dialog/ShareNfcDialogFragment.java b/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/dialog/ShareNfcDialogFragment.java
new file mode 100644
index 000000000..1a19390ad
--- /dev/null
+++ b/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/dialog/ShareNfcDialogFragment.java
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2013 Dominik Schürmann <dominik@dominikschuermann.de>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.sufficientlysecure.keychain.ui.dialog;
+
+import org.sufficientlysecure.htmltextview.HtmlTextView;
+import org.sufficientlysecure.keychain.R;
+
+import android.annotation.TargetApi;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.nfc.NfcAdapter;
+import android.os.Build;
+import android.os.Bundle;
+import android.provider.Settings;
+import android.support.v4.app.DialogFragment;
+import android.support.v4.app.FragmentActivity;
+
+@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
+public class ShareNfcDialogFragment extends DialogFragment {
+
+    /**
+     * Creates new instance of this fragment
+     */
+    public static ShareNfcDialogFragment newInstance() {
+        ShareNfcDialogFragment frag = new ShareNfcDialogFragment();
+
+        return frag;
+    }
+
+    /**
+     * Creates dialog
+     */
+    @Override
+    public Dialog onCreateDialog(Bundle savedInstanceState) {
+        final FragmentActivity activity = getActivity();
+
+        AlertDialog.Builder alert = new AlertDialog.Builder(activity);
+
+        alert.setIcon(android.R.drawable.ic_dialog_alert);
+        alert.setTitle(R.string.warning);
+        alert.setCancelable(true);
+
+        alert.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int id) {
+                dismiss();
+            }
+        });
+
+        HtmlTextView textView = new HtmlTextView(getActivity());
+        textView.setPadding(8, 8, 8, 8);
+        alert.setView(textView);
+
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) {
+            textView.setText(getString(R.string.error) + ": "
+                    + getString(R.string.error_jelly_bean_needed));
+        } else {
+            // check if NFC Adapter is available
+            NfcAdapter nfcAdapter = NfcAdapter.getDefaultAdapter(getActivity());
+            if (nfcAdapter == null) {
+                textView.setText(getString(R.string.error) + ": "
+                        + getString(R.string.error_nfc_needed));
+            } else {
+                // nfc works...
+                textView.setHtmlFromRawResource(getActivity(), R.raw.nfc_beam_share);
+
+                alert.setNegativeButton(R.string.menu_beam_preferences,
+                        new DialogInterface.OnClickListener() {
+                            @Override
+                            public void onClick(DialogInterface dialog, int id) {
+                                Intent intentSettings = new Intent(
+                                        Settings.ACTION_NFCSHARING_SETTINGS);
+                                startActivity(intentSettings);
+                            }
+                        });
+            }
+        }
+
+        // no flickering when clicking textview for Android < 4
+        // aboutTextView.setTextColor(getResources().getColor(android.R.color.black));
+
+        return alert.create();
+    }
+}
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