Handle rotation in TimePickerActivity

src/main/java/org/tasks/activities/TimePickerActivity.java

@@ -1,43 +1,44 @@
 package org.tasks.activities;
 
-import android.content.DialogInterface;
 import android.content.Intent;
 import android.os.Bundle;
 import android.support.v4.app.FragmentActivity;
+import android.support.v4.app.FragmentManager;
+import android.text.format.DateFormat;
 
-import org.joda.time.DateTime;
-import org.tasks.dialogs.DateAndTimePickerDialog;
+import com.sleepbot.datetimepicker.time.RadialPickerLayout;
+import com.sleepbot.datetimepicker.time.TimePickerDialog;
 
-import static org.tasks.date.DateTimeUtils.newDateTime;
 
-public class TimePickerActivity extends FragmentActivity {
+public class TimePickerActivity extends FragmentActivity implements TimePickerDialog.OnTimeSetListener {
 
     public static final String EXTRA_HOURS = "extra_hours";
     public static final String EXTRA_MINUTES = "extra_minutes";
+    private static final String FRAG_TAG_TIME_PICKER = "frag_tag_time_picker";
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
-        Intent intent = getIntent();
-        int hour = intent.getIntExtra(EXTRA_HOURS, 0);
-        int minutes = intent.getIntExtra(EXTRA_MINUTES, 0);
-
-        DateAndTimePickerDialog.timePickerDialog(getSupportFragmentManager(), this, newDateTime().withMillisOfDay(0).withHourOfDay(hour).withMinuteOfHour(minutes), new DateAndTimePickerDialog.OnTimePicked() {
-            @Override
-            public void onTimePicked(int millisOfDay) {
-                final DateTime dateTime = newDateTime().withMillisOfDay(millisOfDay);
-                setResult(RESULT_OK, new Intent() {{
-                    putExtra(EXTRA_HOURS, dateTime.getHourOfDay());
-                    putExtra(EXTRA_MINUTES, dateTime.getMinuteOfHour());
-                }});
-                finish();
-            }
-        }, new DialogInterface.OnDismissListener() {
-            @Override
-            public void onDismiss(DialogInterface dialog) {
-                finish();
-            }
-        });
+        FragmentManager supportFragmentManager = getSupportFragmentManager();
+        TimePickerDialog dialog = (TimePickerDialog) supportFragmentManager.findFragmentByTag(FRAG_TAG_TIME_PICKER);
+        if (dialog == null) {
+            Intent intent = getIntent();
+            int hours = intent.getIntExtra(EXTRA_HOURS, 0);
+            int minutes = intent.getIntExtra(EXTRA_MINUTES, 0);
+            dialog = new TimePickerDialog();
+            dialog.initialize(null, hours, minutes, DateFormat.is24HourFormat(this), false);
+            dialog.show(getSupportFragmentManager(), FRAG_TAG_TIME_PICKER);
+        }
+        dialog.setOnTimeSetListener(this);
+    }
+
+    @Override
+    public void onTimeSet(RadialPickerLayout radialPickerLayout, final int hours, final int minutes) {
+        setResult(RESULT_OK, new Intent() {{
+            putExtra(EXTRA_HOURS, hours);
+            putExtra(EXTRA_MINUTES, minutes);
+        }});
+        finish();
     }
 }