Use loader to load single alarm

2016-06-30 02:58:34 -07:00
parent d042891e51
commit 43e9c20468
5 changed files with 112 additions and 16 deletions
@@ -0,0 +1,23 @@
+package com.philliphsu.clock2.model;
+
+import android.content.Context;
+
+import com.philliphsu.clock2.Alarm;
+
+/**
+ * Created by Phillip Hsu on 6/30/2016.
+ */
+public class AlarmLoader extends DataLoader<Alarm> {
+
+    private long mAlarmId;
+
+    public AlarmLoader(Context context, long alarmId) {
+        super(context);
+        mAlarmId = alarmId;
+    }
+
+    @Override
+    public Alarm loadInBackground() {
+        return DatabaseManager.getInstance(getContext()).getAlarm(mAlarmId);
+    }
+}
@@ -0,0 +1,34 @@
+package com.philliphsu.clock2.model;
+
+import android.content.Context;
+import android.support.v4.content.AsyncTaskLoader;
+
+/**
+ * Created by Phillip Hsu on 6/30/2016.
+ */
+public abstract class DataLoader<D> extends AsyncTaskLoader<D> {
+
+    private D mData;
+
+    public DataLoader(Context context) {
+        super(context);
+    }
+
+    @Override
+    protected void onStartLoading() {
+        if (mData != null) {
+            deliverResult(mData);
+        } else {
+            forceLoad();
+        }
+    }
+
+    @Override
+    public void deliverResult(D data) {
+        mData = data;
+        if (isStarted()) {
+            super.deliverResult(data);
+        }
+    }
+
+}