com.jeffgodwyll.android.qod.app.DetailFragment.java Source code

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Here is the source code for com.jeffgodwyll.android.qod.app.DetailFragment.java

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/*
 * Copyright (C) 2014 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.jeffgodwyll.android.qod.app;

import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
import android.support.v4.view.MenuItemCompat;
import android.support.v7.widget.ShareActionProvider;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;

import com.jeffgodwyll.android.qod.app.data.QuotesContract;
import com.jeffgodwyll.android.qod.app.data.QuotesContract.QuotesEntry;

/**
 * A placeholder fragment containing a simple view.
 */
public class DetailFragment extends Fragment implements LoaderManager.LoaderCallbacks<Cursor> {

    private static final String LOG_TAG = DetailFragment.class.getSimpleName();
    static final String DETAIL_URI = "URI";

    private static final String SHARE_HASHTAG = " #QuotesApp";

    private ShareActionProvider mShareActionProvider;
    private String mForecast;
    private Uri mUri;

    private static final int DETAIL_LOADER = 0;

    private static final String[] DETAIL_COLUMNS = { QuotesEntry.TABLE_NAME + "." + QuotesContract.QuotesEntry._ID,
            QuotesContract.QuotesEntry.COLUMN_QUOTE_CONTENT, QuotesContract.QuotesEntry.COLUMN_AUTHOR,
            // QuotesContract.QuotesEntry.COLUMN_QUOTE_LENGTH
    };

    // These indices are tied to DETAIL_COLUMNS.  If DETAIL_COLUMNS changes, these
    // must change.
    public static final int COL_QUOTE_ID = 0;
    public static final int COL_QUOTE_DETAILS = 1;
    public static final int COL_AUTHOR = 2;

    private ImageView mIconView;
    private TextView mAuthorView;
    private TextView mQuotesView;

    public DetailFragment() {
        setHasOptionsMenu(true);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {

        Bundle arguments = getArguments();
        if (arguments != null) {
            mUri = arguments.getParcelable(DetailFragment.DETAIL_URI);
        }

        View rootView = inflater.inflate(R.layout.fragment_detail, container, false);
        //        mIconView = (ImageView) rootView.findViewById(R.id.detail_icon);
        mQuotesView = (TextView) rootView.findViewById(R.id.detail_quote_textview);
        mAuthorView = (TextView) rootView.findViewById(R.id.detail_author_textview);
        return rootView;
    }

    @Override
    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
        // Inflate the menu; this adds items to the action bar if it is present.
        inflater.inflate(R.menu.detailfragment, menu);

        // Retrieve the share menu item
        MenuItem menuItem = menu.findItem(R.id.action_share);

        // Get the provider and hold onto it to set/change the share intent.
        mShareActionProvider = (ShareActionProvider) MenuItemCompat.getActionProvider(menuItem);

        // If onLoadFinished happens before this, we can go ahead and set the share intent now.
        if (mForecast != null) {
            mShareActionProvider.setShareIntent(createShareForecastIntent());
        }
    }

    private Intent createShareForecastIntent() {
        Intent shareIntent = new Intent(Intent.ACTION_SEND);
        shareIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
        shareIntent.setType("text/plain");
        shareIntent.putExtra(Intent.EXTRA_TEXT, mForecast + SHARE_HASHTAG);
        return shareIntent;
    }

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        getLoaderManager().initLoader(DETAIL_LOADER, null, this);
        super.onActivityCreated(savedInstanceState);
    }

    @Override
    public Loader<Cursor> onCreateLoader(int id, Bundle args) {
        if (null != mUri) {
            // Now create and return a CursorLoader that will take care of
            // creating a Cursor for the data being displayed.
            return new CursorLoader(getActivity(), mUri, DETAIL_COLUMNS, null, null, null);
        }
        return null;
    }

    @Override
    public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
        if (data != null && data.moveToFirst()) {

            // Read quote from cursor and update view
            String quote = data.getString(COL_QUOTE_DETAILS);
            mQuotesView.setText(quote);

            // Read author info
            String author = data.getString(COL_AUTHOR);
            mAuthorView.setText(author);

            // For accessibility, add a content quote to the icon field
            //            mIconView.setContentDescription(quote);

            // We still need this for the share intent
            mForecast = String.format("\"%s\" by %s", quote, author);

            // If onCreateOptionsMenu has already happened, we need to update the share intent now.
            if (mShareActionProvider != null) {
                mShareActionProvider.setShareIntent(createShareForecastIntent());
            }
        }
    }

    @Override
    public void onLoaderReset(Loader<Cursor> loader) {
    }
}