Files
calendar-lite/android/org/gingercal/SettingsActivity.java
T
2026-10-15 16:35:05 +02:00

244 lines
9.7 KiB
Java

package org.gingercal;
import java.util.List;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.ScrollView;
import android.widget.TextView;
import org.gingercal.Model.Cal;
/** Account, TLS pin, sync interval and reminder settings. */
public class SettingsActivity extends Activity {
EditText url, user, pass, pin, ahead;
Button intervalBtn, remindBtn;
int interval, remind;
@Override
protected void onCreate(Bundle b) {
super.onCreate(b);
setTitle("GingerCal settings");
LinearLayout f = App.vbox(this);
int p = App.dp(this, 8);
f.setPadding(p, p, p, p);
f.addView(App.text(this, "Nextcloud server. Android 2.3 can't speak TLS 1.2, so use either your "
+ "legacy-TLS bridge (https://cloud.example.com:8443) or http:// to the server on your home "
+ "Wi-Fi. Use an app password, not your real one.", 12, 0xFFB0BEC5));
url = field(f, "Server address", "https://cloud.example.com:8443", 1 | 0x10 /* URI */);
user = field(f, "User name", "", 1 | 0x80000 /* no suggestions */);
pass = field(f, "App password", "", 1 | 0x80 /* password */);
pin = field(f, "Pinned certificate SHA-256 (filled in for you)", "optional", 1 | 0x80000);
ahead = field(f, "Days ahead to sync", "60", 2 /* number */);
intervalBtn = new Button(this);
f.addView(intervalBtn, new LinearLayout.LayoutParams(-1, -2));
remindBtn = new Button(this);
f.addView(remindBtn, new LinearLayout.LayoutParams(-1, -2));
Button test = new Button(this);
test.setText("Save and test connection");
f.addView(test, new LinearLayout.LayoutParams(-1, -2));
Button resync = new Button(this);
resync.setText("Re-download everything");
f.addView(resync, new LinearLayout.LayoutParams(-1, -2));
ScrollView sv = new ScrollView(this);
sv.addView(f);
setContentView(sv);
url.setText(App.get(this, "url"));
user.setText(App.get(this, "user"));
pass.setText(App.get(this, "pass"));
pin.setText(App.get(this, "pin"));
ahead.setText(String.valueOf(App.ahead(this)));
interval = App.interval(this);
remind = App.remind(this);
labels();
intervalBtn.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
final String[] l = new String[App.INTERVALS.length];
for (int i = 0; i < l.length; i++) l[i] = intervalLabel(App.INTERVALS[i]);
new AlertDialog.Builder(SettingsActivity.this).setTitle("Background sync")
.setItems(l, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface d, int w) {
interval = App.INTERVALS[w];
labels();
}
}).show();
}
});
remindBtn.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
final int[] opts = {-1, 0, 5, 10, 15, 30, 60};
String[] l = new String[opts.length];
for (int i = 0; i < l.length; i++) l[i] = opts[i] < 0 ? "Off" : App.alarmLabel(opts[i]);
new AlertDialog.Builder(SettingsActivity.this).setTitle("Phone notification")
.setItems(l, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface d, int w) {
remind = opts[w];
labels();
}
}).show();
}
});
test.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
confirmAndTest();
}
});
resync.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
save();
Db.get(SettingsActivity.this).forgetSyncState();
App.requestSync(SettingsActivity.this, true, true);
App.toast(SettingsActivity.this, "Re-downloading in the background");
finish();
}
});
}
EditText field(LinearLayout f, String label, String hint, int type) {
TextView l = App.text(this, label, 13, 0xFFFFFFFF);
l.setPadding(App.dp(this, 4), App.dp(this, 8), 0, 0);
f.addView(l);
EditText e = new EditText(this);
e.setHint(hint);
e.setSingleLine(true);
e.setInputType(type);
f.addView(e, new LinearLayout.LayoutParams(-1, -2));
return e;
}
static String intervalLabel(int h) {
return h == 0 ? "Manual only" : h == 1 ? "Every hour" : "Every " + h + " hours";
}
void labels() {
intervalBtn.setText("Background sync: " + intervalLabel(interval));
remindBtn.setText("Notify: " + (remind < 0 ? "off" : App.alarmLabel(remind)));
}
static String txt(TextView t) {
return t.getText().toString().trim();
}
@Override
protected void onPause() {
super.onPause();
if (txt(url).length() > 0) save();
}
void save() {
String oldAccount = App.get(this, "url") + "|" + App.get(this, "user");
int days = 60;
try {
days = Math.max(7, Math.min(365, Integer.parseInt(txt(ahead))));
} catch (NumberFormatException ignored) {
}
String u = txt(url);
if (u.length() > 0) u = Dav.normalize(u);
App.prefs(this).edit()
.putString("url", u)
.putString("user", txt(user))
.putString("pass", pass.getText().toString())
.putString("pin", Tls.normPin(txt(pin)).length() == 64 ? txt(pin) : "")
.putInt("ahead", days)
.putInt("interval", interval)
.putInt("remind", remind)
.commit();
if (!oldAccount.equals(u + "|" + txt(user))) {
Db.get(this).clearAll();
App.prefs(this).edit().putLong("lastsync", 0).putString("status", "").commit();
}
App.scheduleSync(this);
Reminders.schedule(this);
}
void confirmAndTest() {
String u = txt(url);
if (u.length() == 0 || txt(user).length() == 0) {
App.toast(this, "Server address and user name are required.");
return;
}
if (Dav.normalize(u).startsWith("http://") && !App.isLan(u)) {
new AlertDialog.Builder(this).setTitle("Unencrypted connection")
.setMessage("http:// sends your password in clear text over the internet. Use the legacy-TLS "
+ "bridge instead, or only use http:// to a LAN address.")
.setPositiveButton("Use anyway", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface d, int w) {
save();
new TestTask().execute();
}
})
.setNegativeButton("Cancel", null).show();
return;
}
save();
new TestTask().execute();
}
class TestTask extends AsyncTask<Void, Void, Object> {
ProgressDialog pd;
@Override
protected void onPreExecute() {
pd = ProgressDialog.show(SettingsActivity.this, null, "Connecting…");
}
@Override
protected Object doInBackground(Void... v) {
Dav d = null;
try {
d = App.dav(SettingsActivity.this);
return d.calendars(d.calendarHome());
} catch (Throwable t) {
return t;
} finally {
if (d != null) d.close();
}
}
@SuppressWarnings("unchecked")
@Override
protected void onPostExecute(Object r) {
try {
pd.dismiss();
} catch (RuntimeException ignored) {
}
if (r instanceof DavException.UntrustedCert) {
App.askTrust(SettingsActivity.this, (DavException.UntrustedCert) r, new App.Trusted() {
public void trusted(String fp) {
pin.setText(fp);
save();
new TestTask().execute();
}
});
return;
}
if (r instanceof Throwable) {
new AlertDialog.Builder(SettingsActivity.this).setTitle("Connection failed")
.setMessage(App.describe((Throwable) r)).setPositiveButton("OK", null).show();
return;
}
List<Cal> cals = (List<Cal>) r;
StringBuilder s = new StringBuilder("Connected. Found " + cals.size() + " calendar(s):\n");
for (Cal c : cals) s.append("\n• ").append(c.name).append(c.writable ? "" : " (read-only)");
new AlertDialog.Builder(SettingsActivity.this).setTitle("It works")
.setMessage(s.toString())
.setPositiveButton("Sync now", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface d, int w) {
App.requestSync(SettingsActivity.this, true, false);
finish();
}
}).show();
}
}
}