mirror of
https://github.com/M66B/FairEmail.git
synced 2026-03-31 06:08:31 +02:00
Reorganized display and privacy settings
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M66B
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package eu.faircode.email;
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/*
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This file is part of FairEmail.
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FairEmail is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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FairEmail is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with FairEmail. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2018-2020 by Marcel Bokhorst (M66B)
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*/
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import android.content.Intent;
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import android.content.SharedPreferences;
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import android.content.pm.PackageManager;
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import android.content.pm.ResolveInfo;
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import android.os.Bundle;
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import android.provider.Settings;
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import android.security.KeyChain;
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import android.view.LayoutInflater;
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import android.view.Menu;
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import android.view.MenuInflater;
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import android.view.MenuItem;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.AdapterView;
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import android.widget.ArrayAdapter;
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import android.widget.Button;
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import android.widget.CompoundButton;
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import android.widget.Spinner;
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import android.widget.TextView;
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import android.widget.Toast;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.appcompat.widget.SwitchCompat;
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import androidx.lifecycle.Lifecycle;
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import androidx.localbroadcastmanager.content.LocalBroadcastManager;
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import androidx.preference.PreferenceManager;
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import org.openintents.openpgp.util.OpenPgpApi;
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import java.security.NoSuchAlgorithmException;
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import java.util.ArrayList;
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import java.util.List;
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public class FragmentOptionsEncryption extends FragmentBase implements SharedPreferences.OnSharedPreferenceChangeListener {
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private Spinner spEncryptMethod;
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private SwitchCompat swSign;
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private SwitchCompat swEncrypt;
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private SwitchCompat swAutoDecrypt;
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private Spinner spOpenPgp;
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private SwitchCompat swAutocrypt;
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private SwitchCompat swAutocryptMutual;
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private Button btnManageCertificates;
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private Button btnImportKey;
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private Button btnManageKeys;
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private TextView tvKeySize;
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private List<String> openPgpProvider = new ArrayList<>();
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private final static String[] RESET_OPTIONS = new String[]{
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"default_encrypt_method", "sign_default", "encrypt_default", "auto_decrypt",
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"openpgp_provider", "autocrypt", "autocrypt_mutual"
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};
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@Override
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@Nullable
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public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
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setSubtitle(R.string.title_setup);
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setHasOptionsMenu(true);
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PackageManager pm = getContext().getPackageManager();
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View view = inflater.inflate(R.layout.fragment_options_encryption, container, false);
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// Get controls
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spEncryptMethod = view.findViewById(R.id.spEncryptMethod);
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swSign = view.findViewById(R.id.swSign);
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swEncrypt = view.findViewById(R.id.swEncrypt);
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swAutoDecrypt = view.findViewById(R.id.swAutoDecrypt);
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spOpenPgp = view.findViewById(R.id.spOpenPgp);
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swAutocrypt = view.findViewById(R.id.swAutocrypt);
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swAutocryptMutual = view.findViewById(R.id.swAutocryptMutual);
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btnManageCertificates = view.findViewById(R.id.btnManageCertificates);
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btnImportKey = view.findViewById(R.id.btnImportKey);
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btnManageKeys = view.findViewById(R.id.btnManageKeys);
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tvKeySize = view.findViewById(R.id.tvKeySize);
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Intent intent = new Intent(OpenPgpApi.SERVICE_INTENT_2);
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List<ResolveInfo> ris = pm.queryIntentServices(intent, 0);
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for (ResolveInfo ri : ris)
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if (ri.serviceInfo != null)
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openPgpProvider.add(ri.serviceInfo.packageName);
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ArrayAdapter<String> adapter = new ArrayAdapter<>(getContext(), android.R.layout.simple_spinner_item, android.R.id.text1);
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adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
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adapter.addAll(openPgpProvider);
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spOpenPgp.setAdapter(adapter);
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setOptions();
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// Wire controls
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final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getContext());
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spEncryptMethod.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
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@Override
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public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
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if (position == 1)
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prefs.edit().putString("default_encrypt_method", "s/mime").apply();
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else
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onNothingSelected(parent);
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}
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@Override
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public void onNothingSelected(AdapterView<?> parent) {
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prefs.edit().remove("default_encrypt_method").apply();
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}
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});
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swSign.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
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@Override
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public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
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prefs.edit().putBoolean("sign_default", checked).apply();
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}
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});
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swEncrypt.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
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@Override
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public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
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prefs.edit().putBoolean("encrypt_default", checked).apply();
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swSign.setEnabled(!checked);
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}
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});
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swAutoDecrypt.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
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@Override
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public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
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prefs.edit().putBoolean("auto_decrypt", checked).apply();
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}
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});
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// PGP
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spOpenPgp.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
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@Override
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public void onItemSelected(AdapterView<?> adapterView, View view, int position, long id) {
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prefs.edit().putString("openpgp_provider", openPgpProvider.get(position)).apply();
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}
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@Override
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public void onNothingSelected(AdapterView<?> parent) {
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prefs.edit().remove("openpgp_provider").apply();
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}
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});
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swAutocrypt.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
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@Override
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public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
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prefs.edit().putBoolean("autocrypt", checked).apply();
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swAutocryptMutual.setEnabled(checked);
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}
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});
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swAutocryptMutual.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
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@Override
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public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
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prefs.edit().putBoolean("autocrypt_mutual", checked).apply();
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}
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});
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// S/MIME
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btnManageCertificates.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(getContext());
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lbm.sendBroadcast(new Intent(ActivitySetup.ACTION_MANAGE_CERTIFICATES));
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}
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});
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final Intent importKey = KeyChain.createInstallIntent();
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btnImportKey.setEnabled(importKey.resolveActivity(pm) != null);
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btnImportKey.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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startActivity(importKey);
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}
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});
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final Intent security = new Intent(Settings.ACTION_SECURITY_SETTINGS);
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btnImportKey.setEnabled(security.resolveActivity(pm) != null);
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btnManageKeys.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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startActivity(security);
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}
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});
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try {
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int maxKeySize = javax.crypto.Cipher.getMaxAllowedKeyLength("AES");
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tvKeySize.setText(getString(R.string.title_advanced_aes_key_size, maxKeySize));
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} catch (NoSuchAlgorithmException ex) {
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tvKeySize.setText(Log.formatThrowable(ex));
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}
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PreferenceManager.getDefaultSharedPreferences(getContext()).registerOnSharedPreferenceChangeListener(this);
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return view;
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}
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@Override
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public void onDestroyView() {
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PreferenceManager.getDefaultSharedPreferences(getContext()).unregisterOnSharedPreferenceChangeListener(this);
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super.onDestroyView();
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}
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@Override
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public void onSharedPreferenceChanged(SharedPreferences prefs, String key) {
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if (getLifecycle().getCurrentState().isAtLeast(Lifecycle.State.STARTED))
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setOptions();
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}
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@Override
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public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
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inflater.inflate(R.menu.menu_options, menu);
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super.onCreateOptionsMenu(menu, inflater);
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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switch (item.getItemId()) {
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case R.id.menu_default:
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onMenuDefault();
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return true;
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default:
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return super.onOptionsItemSelected(item);
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}
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}
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private void onMenuDefault() {
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SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getContext());
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SharedPreferences.Editor editor = prefs.edit();
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for (String option : RESET_OPTIONS)
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editor.remove(option);
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editor.apply();
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ToastEx.makeText(getContext(), R.string.title_setup_done, Toast.LENGTH_LONG).show();
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}
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private void setOptions() {
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SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getContext());
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String encrypt_method = prefs.getString("default_encrypt_method", "pgp");
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if ("s/mime".equals(encrypt_method))
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spEncryptMethod.setSelection(1);
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swSign.setChecked(prefs.getBoolean("sign_default", false));
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swEncrypt.setChecked(prefs.getBoolean("encrypt_default", false));
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swSign.setEnabled(!swEncrypt.isChecked());
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swAutoDecrypt.setChecked(prefs.getBoolean("auto_decrypt", false));
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String provider = prefs.getString("openpgp_provider", "org.sufficientlysecure.keychain");
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for (int pos = 0; pos < openPgpProvider.size(); pos++)
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if (provider.equals(openPgpProvider.get(pos))) {
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spOpenPgp.setSelection(pos);
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break;
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}
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swAutocrypt.setChecked(prefs.getBoolean("autocrypt", true));
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swAutocryptMutual.setChecked(prefs.getBoolean("autocrypt_mutual", true));
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swAutocryptMutual.setEnabled(swAutocrypt.isChecked());
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}
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}
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