Export identities to Documents folder

app/src/main/java/i2p/bote/android/config/SettingsActivity.java

@@ -8,6 +8,7 @@ import i2p.bote.android.util.SummaryEditTextPreference;
 import i2p.bote.email.EmailIdentity;
 import i2p.bote.fileencryption.PasswordException;
 
+import java.io.File;
 import java.io.IOException;
 import java.security.GeneralSecurityException;
 import java.util.Collection;
@@ -22,6 +23,7 @@ import android.content.SharedPreferences;
 import android.os.AsyncTask;
 import android.os.Build;
 import android.os.Bundle;
+import android.os.Environment;
 import android.preference.CheckBoxPreference;
 import android.preference.EditTextPreference;
 import android.preference.ListPreference;
@@ -31,11 +33,15 @@ import android.preference.PreferenceCategory;
 import android.preference.PreferenceFragment;
 import android.preference.PreferenceManager;
 import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ArrayAdapter;
 import android.widget.ListAdapter;
 import android.widget.TextView;
+import android.widget.Toast;
 
 public class SettingsActivity extends PreferenceActivity {
     // Actions for legacy settings
@@ -120,6 +126,38 @@ public class SettingsActivity extends PreferenceActivity {
         return SettingsFragment.class.getName().equals(fragmentName);
     }
 
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        getMenuInflater().inflate(R.menu.settings, menu);
+        return super.onCreateOptionsMenu(menu);
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case R.id.export_identities:
+                // TODO ask if file should be encrypted (remove .txt from filename if yes)
+                // TODO ask for filename
+                File exportFile = new File(Environment.getExternalStoragePublicDirectory(
+                        Environment.DIRECTORY_DOCUMENTS
+                ), "identities.txt");
+                try {
+                    // TODO ask for password
+                    I2PBote.getInstance().getIdentities().export(exportFile, null);
+                    Toast.makeText(this, "Identities exported to Documents folder", Toast.LENGTH_SHORT).show();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                } catch (GeneralSecurityException e) {
+                    e.printStackTrace();
+                } catch (PasswordException e) {
+                    e.printStackTrace();
+                }
+                return true;
+            default:
+                return super.onOptionsItemSelected(item);
+        }
+    }
+
 
     //
     // Building Headers