/***
Copyright (c) 2013 CommonsWare, LLC
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.
Covered in detail in the book _The Busy Coder's Guide to Android Development_
https://commonsware.com/Android
*/
package com.commonsware.android.preso.slides;
import android.app.Activity;
import android.os.Bundle;
import android.support.v4.view.ViewPager;
import android.support.v4.view.ViewPager.OnPageChangeListener;
import android.view.Display;
import android.view.Menu;
import android.view.MenuItem;
import com.commonsware.cwac.preso.PresentationHelper;
import com.viewpagerindicator.TabPageIndicator;
public class MainActivity extends Activity implements
PresentationHelper.Listener, OnPageChangeListener {
private ViewPager pager=null;
private SlidePresentationFragment preso=null;
private SlidesAdapter adapter=null;
private PresentationHelper helper=null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
TabPageIndicator tabs=(TabPageIndicator)findViewById(R.id.titles);
pager=(ViewPager)findViewById(R.id.pager);
adapter=new SlidesAdapter(this);
pager.setAdapter(adapter);
tabs.setViewPager(pager);
tabs.setOnPageChangeListener(this);
helper=new PresentationHelper(this, this);
}
@Override
public void onResume() {
super.onResume();
helper.onResume();
}
@Override
public void onPause() {
helper.onPause();
super.onPause();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.activity_actions, menu);
return(super.onCreateOptionsMenu(menu));
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.present:
boolean original=item.isChecked();
item.setChecked(!original);
if (original) {
helper.disable();
}
else {
helper.enable();
}
break;
case R.id.first:
pager.setCurrentItem(0);
break;
case R.id.last:
pager.setCurrentItem(adapter.getCount() - 1);
break;
}
return(super.onOptionsItemSelected(item));
}
@Override
public void onPageScrollStateChanged(int arg0) {
// ignored
}
@Override
public void onPageScrolled(int arg0, float arg1, int arg2) {
// ignored
}
@Override
public void onPageSelected(int position) {
if (preso != null) {
preso.setSlideContent(adapter.getPageResource(position));
}
}
@Override
public void clearPreso(boolean showInline) {
if (preso != null) {
preso.dismiss();
preso=null;
}
}
@Override
public void showPreso(Display display) {
int drawable=adapter.getPageResource(pager.getCurrentItem());
preso=
SlidePresentationFragment.newInstance(this, display, drawable);
preso.show(getFragmentManager(), "preso");
}
}