com.androzic.PreferencesHelpDialog.java Source code

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Here is the source code for com.androzic.PreferencesHelpDialog.java

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/*
 * Androzic - android navigation client that uses OziExplorer maps (ozf2, ozfx3).
 * Copyright (C) 2010-2014 Andrey Novikov <http://andreynovikov.info/>
 * 
 * This file is part of Androzic application.
 * 
 * Androzic is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * Androzic is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with Androzic. If not, see <http://www.gnu.org/licenses/>.
 */

package com.androzic;

import android.annotation.SuppressLint;
import android.app.Dialog;
import android.content.DialogInterface;
import android.graphics.Rect;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.support.v4.app.DialogFragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.widget.ScrollView;

public class PreferencesHelpDialog extends DialogFragment {
    private ScrollView rootView;
    private int sectionId;

    public PreferencesHelpDialog() {
        throw new RuntimeException("Unimplemented initialization context");
    }

    //FIXME Fix lint error
    @SuppressLint("ValidFragment")
    public PreferencesHelpDialog(int sectionId) {
        this.sectionId = sectionId;
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        rootView = (ScrollView) inflater.inflate(R.layout.dlg_preferences_help, container, false);
        Log.e("DLG", "onCreateView");
        return rootView;
    }

    @SuppressLint("NewApi")
    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
        Dialog dialog = super.onCreateDialog(savedInstanceState);
        dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.FROYO) {
            dialog.setOnShowListener(new DialogInterface.OnShowListener() {
                @Override
                public void onShow(DialogInterface dialog) {
                    scrollToView(rootView, rootView.findViewById(sectionId));
                }
            });
        }
        return dialog;
    }

    public static void scrollToView(final ScrollView scrollView, final View view) {
        view.requestFocus();

        final Rect scrollBounds = new Rect();
        scrollView.getHitRect(new Rect());
        if (!view.getLocalVisibleRect(scrollBounds)) {
            new Handler().post(new Runnable() {
                @Override
                public void run() {
                    scrollView.smoothScrollTo(0, view.getBottom());
                }
            });
        }
    }
}