Android Open Source - streaming_project Data Loader

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License

The source code is released under:

GNU General Public License

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Java Source Code

package com.example.streaming.streaming;
//from w  w  w.j  a v a2 s  .c o m
import android.content.Context;
import android.support.v4.content.AsyncTaskLoader;


public abstract class DataLoader<D> extends AsyncTaskLoader<D> {
    private D mData;

    public DataLoader(Context context) {
        super(context);
    }

    @Override
    // Delivers data if it is available
    protected void onStartLoading() {
        // Check if there is data
        if (mData != null) {
            // Deliver the data
            deliverResult(mData);
        } else {
            // Fetch the data
            // NOTE: forceLoad() is from the superclass AsyncTaskLoader
            forceLoad();
        }
    }

    @Override
    // Stashes away the new data object and, if hte loader is started, calls the superclass
    // implementation to make the delivery
    public void deliverResult(D data) {
        mData = data;
        if (isStarted())
            super.deliverResult(data);
    }
}

Java Source Code List