transponders.transmob.TutorialFragment.java Source code

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Here is the source code for transponders.transmob.TutorialFragment.java

Source

package transponders.transmob;

/*
 * Copyright 2012 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.
 */

import android.content.SharedPreferences;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.support.v4.app.Fragment;
import android.support.v4.view.ViewPager;
import android.util.DisplayMetrics;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;

/**
 * A fragment representing a single step in a wizard. The fragment shows a dummy title indicating
 * the page number, along with some dummy text.
 *
 * <p>This class is used by the {@link CardFlipActivity} and {@link
 * ScreenSlideActivity} samples.</p>
 */
public class TutorialFragment extends Fragment implements OnClickListener {
    /**
     * The argument key for the page number this fragment represents.
     */
    public static final String ARG_PAGE = "page";

    /**
     * The fragment's page number, which is set to the argument value for {@link #ARG_PAGE}.
     */
    private int mPageNumber;
    private static ViewPager pagerView;

    /**
     * Factory method for this fragment class. Constructs a new fragment for the given page number.
     */
    public static TutorialFragment create(int pageNumber, ViewPager parent) {
        TutorialFragment fragment = new TutorialFragment();
        pagerView = parent;
        Bundle args = new Bundle();
        args.putInt(ARG_PAGE, pageNumber);
        fragment.setArguments(args);
        return fragment;
    }

    public TutorialFragment() {
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        mPageNumber = getArguments().getInt(ARG_PAGE);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        // Inflate the layout containing a title and body text.
        ViewGroup rootView = (ViewGroup) inflater.inflate(R.layout.tutorial_fragment, container, false);

        Button button = (Button) rootView.findViewById(R.id.finish_tut_button);

        int density = getResources().getDisplayMetrics().densityDpi;
        if (density <= DisplayMetrics.DENSITY_HIGH) {
            button.setMinimumHeight(60);
        }

        ImageView previousArrow = (ImageView) rootView.findViewById(R.id.previous_arrow);
        previousArrow.setVisibility(View.INVISIBLE);
        previousArrow.setOnClickListener(this);

        ImageView nextArrow = (ImageView) rootView.findViewById(R.id.next_arrow);
        nextArrow.setOnClickListener(this);

        // Set the title view to show the page number.
        ((TextView) rootView.findViewById(R.id.tutorial_title))
                .setText(getString(R.string.title_template_step, mPageNumber + 1));

        ImageView tutorialImage = (ImageView) rootView.findViewById(R.id.tutorial_image);

        switch (mPageNumber + 1) {
        case 1:
            break;
        case 2:
            tutorialImage.setImageResource(R.drawable.tut3);
            break;
        case 3:
            tutorialImage.setImageResource(R.drawable.tut4);
            break;
        case 4:
            tutorialImage.setImageResource(R.drawable.tut5);
            break;
        case 5:
            tutorialImage.setImageResource(R.drawable.tut1);
            break;
        default:
            break;
        }

        if (mPageNumber + 1 > 1) {
            previousArrow.setVisibility(View.VISIBLE);
        }

        if (mPageNumber + 1 == NearbyStops.NUM_PAGES) {
            button.setVisibility(View.VISIBLE);
            nextArrow.setVisibility(View.INVISIBLE);
            button.setOnClickListener(this);
        }

        return rootView;
    }

    /**
     * Returns the page number represented by this fragment object.
     */
    public int getPageNumber() {
        return mPageNumber;
    }

    @Override
    public void onClick(View v) {
        switch (v.getId()) {
        case R.id.finish_tut_button:

            SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(getActivity());
            SharedPreferences.Editor editor = settings.edit();
            editor.putBoolean(NearbyStops.TUTORIAL_SETTING, false);

            // Commit the edits!
            editor.commit();

            ViewGroup vg = (ViewGroup) (pagerView.getParent());
            vg.removeView(pagerView);
            break;

        case R.id.next_arrow:
            pagerView.setCurrentItem(mPageNumber + 1, true);
            break;

        case R.id.previous_arrow:
            pagerView.setCurrentItem(mPageNumber - 1, true);
            break;
        }
    }
}