109 lines
3.5 KiB
Java
109 lines
3.5 KiB
Java
/*
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* Copyright (C) 2012 Dominik Schürmann <dominik@dominikschuermann.de>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.sufficientlysecure.keychain.ui;
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import java.io.IOException;
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import java.io.InputStream;
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import net.nightwhistler.htmlspanner.HtmlSpanner;
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import net.nightwhistler.htmlspanner.JellyBeanSpanFixTextView;
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import org.sufficientlysecure.keychain.Constants;
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import org.sufficientlysecure.keychain.helper.OtherHelper;
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import org.sufficientlysecure.keychain.util.Log;
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import org.sufficientlysecure.keychain.R;
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import android.app.Activity;
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import android.os.Bundle;
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import android.text.method.LinkMovementMethod;
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import android.util.TypedValue;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.ScrollView;
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import com.actionbarsherlock.app.SherlockFragment;
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public class HelpFragmentHtml extends SherlockFragment {
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private Activity mActivity;
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private int htmlFile;
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public static final String ARG_HTML_FILE = "htmlFile";
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/**
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* Create a new instance of HelpFragmentHtml, providing "htmlFile" as an argument.
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*/
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static HelpFragmentHtml newInstance(int htmlFile) {
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HelpFragmentHtml f = new HelpFragmentHtml();
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// Supply html raw file input as an argument.
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Bundle args = new Bundle();
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args.putInt(ARG_HTML_FILE, htmlFile);
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f.setArguments(args);
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return f;
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}
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/**
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* Workaround for Android Bug. See
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* http://stackoverflow.com/questions/8748064/starting-activity-from
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* -fragment-causes-nullpointerexception
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*/
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@Override
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public void onSaveInstanceState(Bundle outState) {
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super.onSaveInstanceState(outState);
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setUserVisibleHint(true);
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}
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
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htmlFile = getArguments().getInt(ARG_HTML_FILE);
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// load html from html file from /res/raw
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InputStream inputStreamText = getResources().openRawResource(htmlFile);
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mActivity = getActivity();
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ScrollView scroller = new ScrollView(mActivity);
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JellyBeanSpanFixTextView text = new JellyBeanSpanFixTextView(mActivity);
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// padding
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int padding = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 16, mActivity
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.getResources().getDisplayMetrics());
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text.setPadding(padding, padding, padding, 0);
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scroller.addView(text);
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// load html into textview
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HtmlSpanner htmlSpanner = new HtmlSpanner();
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htmlSpanner.setStripExtraWhiteSpace(true);
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try {
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text.setText(htmlSpanner.fromHtml(inputStreamText));
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} catch (IOException e) {
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Log.e(Constants.TAG, "Error while reading raw resources as stream", e);
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}
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// make links work
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text.setMovementMethod(LinkMovementMethod.getInstance());
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// no flickering when clicking textview for Android < 4
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text.setTextColor(getResources().getColor(android.R.color.black));
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return scroller;
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}
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} |