aboutsummaryrefslogtreecommitdiffstats
path: root/org_apg/src/org/thialfihar/android/apg/ui/HelpFragmentHtml.java
blob: ea90d68555d4451fadf4eebfc057e3240d4982da (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
/*
 * Copyright (C) 2012 Dominik Schürmann <dominik@dominikschuermann.de>
 *
 * 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 org.thialfihar.android.apg.ui;

import org.thialfihar.android.apg.helper.OtherHelper;

import android.app.Activity;
import android.os.Bundle;
import android.text.Html;
import android.text.method.LinkMovementMethod;
import android.util.TypedValue;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ScrollView;
import android.widget.TextView;

import com.actionbarsherlock.app.SherlockFragment;

public class HelpFragmentHtml extends SherlockFragment {
    private Activity mActivity;

    private int htmlFile;

    public static final String ARG_HTML_FILE = "htmlFile";

    /**
     * Create a new instance of HelpFragmentHtml, providing "htmlFile" as an argument.
     */
    static HelpFragmentHtml newInstance(int htmlFile) {
        HelpFragmentHtml f = new HelpFragmentHtml();

        // Supply html raw file input as an argument.
        Bundle args = new Bundle();
        args.putInt(ARG_HTML_FILE, htmlFile);
        f.setArguments(args);

        return f;
    }

    /**
     * Workaround for Android Bug. See
     * http://stackoverflow.com/questions/8748064/starting-activity-from
     * -fragment-causes-nullpointerexception
     */
    @Override
    public void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        setUserVisibleHint(true);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        htmlFile = getArguments().getInt(ARG_HTML_FILE);

        // load html from html file from /res/raw
        String helpText = OtherHelper.readContentFromResource(this.getActivity(), htmlFile);

        mActivity = getActivity();

        ScrollView scroller = new ScrollView(mActivity);
        TextView text = new TextView(mActivity);

        // padding
        int padding = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 16, mActivity
                .getResources().getDisplayMetrics());
        text.setPadding(padding, padding, padding, 0);

        scroller.addView(text);

        // load html into textview
        text.setText(Html.fromHtml(helpText));

        // make links work
        text.setMovementMethod(LinkMovementMethod.getInstance());

        // no flickering when clicking textview for Android < 4
        text.setTextColor(getResources().getColor(android.R.color.black));

        return scroller;
    }
}