open-keychain/org_apg/src/org/thialfihar/android/apg/helper/OtherHelper.java
2012-09-11 15:27:32 +02:00

135 lines
4.6 KiB
Java

/*
* 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.helper;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Calendar;
import java.util.GregorianCalendar;
import java.util.Iterator;
import java.util.Set;
import org.thialfihar.android.apg.Constants;
import org.thialfihar.android.apg.util.Log;
import com.actionbarsherlock.app.ActionBar;
import com.actionbarsherlock.app.SherlockFragmentActivity;
import android.content.Context;
import android.os.Bundle;
public class OtherHelper {
/**
* Reads html files from /res/raw/example.html to output them as string. See
* http://www.monocube.com/2011/02/08/android-tutorial-html-file-in-webview/
*
* @param context
* current context
* @param resourceID
* of html file to read
* @return content of html file with formatting
*/
public static String readContentFromResource(Context context, int resourceID) {
InputStream raw = context.getResources().openRawResource(resourceID);
ByteArrayOutputStream stream = new ByteArrayOutputStream();
int i;
try {
i = raw.read();
while (i != -1) {
stream.write(i);
i = raw.read();
}
raw.close();
} catch (IOException e) {
e.printStackTrace();
}
return stream.toString();
}
/**
* Return the number if days between two dates
*
* @param first
* @param second
* @return number of days
*/
public static long getNumDaysBetween(GregorianCalendar first, GregorianCalendar second) {
GregorianCalendar tmp = new GregorianCalendar();
tmp.setTime(first.getTime());
long numDays = (second.getTimeInMillis() - first.getTimeInMillis()) / 1000 / 86400;
tmp.add(Calendar.DAY_OF_MONTH, (int) numDays);
while (tmp.before(second)) {
tmp.add(Calendar.DAY_OF_MONTH, 1);
++numDays;
}
return numDays;
}
/**
* Logs bundle content to debug for inspecting the content
*
* @param bundle
* @param bundleName
*/
public static void logDebugBundle(Bundle bundle, String bundleName) {
if (Constants.DEBUG) {
if (bundle != null) {
Set<String> ks = bundle.keySet();
Iterator<String> iterator = ks.iterator();
Log.d(Constants.TAG, "Bundle " + bundleName + ":");
Log.d(Constants.TAG, "------------------------------");
while (iterator.hasNext()) {
String key = iterator.next();
Object value = bundle.get(key);
if (value != null) {
Log.d(Constants.TAG, key + " : " + value.toString());
} else {
Log.d(Constants.TAG, key + " : null");
}
}
Log.d(Constants.TAG, "------------------------------");
} else {
Log.d(Constants.TAG, "Bundle " + bundleName + ": null");
}
}
}
/**
* Set actionbar without home button if called from another app
*
* @param activity
*/
public static void setActionBarBackButton(SherlockFragmentActivity activity) {
// set actionbar without home button if called from another app
final ActionBar actionBar = activity.getSupportActionBar();
Log.d(Constants.TAG, "calling package (only set when using startActivityForResult)="
+ activity.getCallingPackage());
if (activity.getCallingPackage() != null
&& activity.getCallingPackage().equals(Constants.PACKAGE_NAME)) {
actionBar.setDisplayHomeAsUpEnabled(true);
actionBar.setHomeButtonEnabled(true);
} else {
actionBar.setDisplayHomeAsUpEnabled(false);
actionBar.setHomeButtonEnabled(false);
}
}
}