diff options
Diffstat (limited to 'OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/HelpFragmentAbout.java')
| -rw-r--r-- | OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/HelpFragmentAbout.java | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/HelpFragmentAbout.java b/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/HelpFragmentAbout.java new file mode 100644 index 000000000..05891b053 --- /dev/null +++ b/OpenPGP-Keychain/src/org/sufficientlysecure/keychain/ui/HelpFragmentAbout.java @@ -0,0 +1,106 @@ +/* + * 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.sufficientlysecure.keychain.ui; + +import java.io.IOException; +import java.io.InputStream; + +import net.nightwhistler.htmlspanner.HtmlSpanner; +import net.nightwhistler.htmlspanner.JellyBeanSpanFixTextView; + +import org.sufficientlysecure.keychain.Constants; +import org.sufficientlysecure.keychain.helper.OtherHelper; +import org.sufficientlysecure.keychain.util.Log; +import org.sufficientlysecure.keychain.R; + +import android.content.pm.PackageInfo; +import android.content.pm.PackageManager; +import android.content.pm.PackageManager.NameNotFoundException; +import android.os.Bundle; +import android.text.method.LinkMovementMethod; +import android.view.LayoutInflater; +import android.view.View; +import android.view.ViewGroup; +import android.widget.TextView; + +import com.actionbarsherlock.app.SherlockFragment; + +public class HelpFragmentAbout extends SherlockFragment { + + /** + * 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) { + View view = inflater.inflate(R.layout.help_fragment_about, container, false); + + // load html from html file from /res/raw + InputStream inputStreamText = getResources().openRawResource(R.raw.help_about); + + TextView versionText = (TextView) view.findViewById(R.id.help_about_version); + versionText.setText(getString(R.string.help_about_version) + " " + getVersion()); + + JellyBeanSpanFixTextView aboutTextView = (JellyBeanSpanFixTextView) view + .findViewById(R.id.help_about_text); + + // load html into textview + HtmlSpanner htmlSpanner = new HtmlSpanner(); + htmlSpanner.setStripExtraWhiteSpace(true); + try { + aboutTextView.setText(htmlSpanner.fromHtml(inputStreamText)); + } catch (IOException e) { + Log.e(Constants.TAG, "Error while reading raw resources as stream", e); + } + + // make links work + aboutTextView.setMovementMethod(LinkMovementMethod.getInstance()); + + // no flickering when clicking textview for Android < 4 + aboutTextView.setTextColor(getResources().getColor(android.R.color.black)); + + return view; + } + + /** + * Get the current package version. + * + * @return The current version. + */ + private String getVersion() { + String result = ""; + try { + PackageManager manager = getActivity().getPackageManager(); + PackageInfo info = manager.getPackageInfo(getActivity().getPackageName(), 0); + + result = String.format("%s (%s)", info.versionName, info.versionCode); + } catch (NameNotFoundException e) { + Log.w(Constants.TAG, "Unable to get application version: " + e.getMessage()); + result = "Unable to get application version."; + } + + return result; + } + +}
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