me.kaidul.uhunt.ProblemsActivity.java Source code

Java tutorial

Introduction

Here is the source code for me.kaidul.uhunt.ProblemsActivity.java

Source

/*
 * uHunt for Android - The most comprehensive Android app for uHunt and Competitive programming
 * Copyright (C) 2013 Kaidul Islam
 * 
 * This file is part of uHunt for Android.
    
 * uHunt for Android is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
    
 * uHunt for Android is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
    
 * You should have received a copy of the GNU General Public License
 * along with uHunt for Android.  If not, see <http://www.gnu.org/licenses/>.
 */
package me.kaidul.uhunt;

import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.FragmentTransaction;

import com.actionbarsherlock.app.SherlockFragmentActivity;
import com.actionbarsherlock.view.MenuItem;

public class ProblemsActivity extends SherlockFragmentActivity
        implements ProblemListFragment.OnProblemSelectListener {

    static int position1, position2, position3;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        Intent intent = getIntent();
        if (intent != null) {
            int[] values = intent.getIntArrayExtra("positions");
            position1 = values[0];
            position2 = values[1];
            position3 = values[2];
        }
        setContentView(R.layout.problems);
        if (findViewById(R.id.fragment_container) != null) {
            if (savedInstanceState != null) {
                return;
            }
            ProblemListFragment problemListFrag = new ProblemListFragment();
            getSupportFragmentManager().beginTransaction().add(R.id.fragment_container, problemListFrag).commit();
        }
        getSupportActionBar().setHomeButtonEnabled(true);
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        if (item.getItemId() == android.R.id.home) {
            finish();
            return true;
        }
        return super.onOptionsItemSelected(item);
    }

    @Override
    public void OnProblemSelected(int problemNo) {
        String url = CommonUtils.PROBLEM_URL + problemNo / 100 + "/" + problemNo + ".html";
        ProblemDetailsFragment problemDetailsFrag = (ProblemDetailsFragment) getSupportFragmentManager()
                .findFragmentById(R.id.problem_details_fragment);
        if (problemDetailsFrag != null) {
            problemDetailsFrag.updateUrl(url);
        } else {
            ProblemDetailsFragment problemDetailsFragment = new ProblemDetailsFragment();
            Bundle args = new Bundle();
            args.putString(ProblemDetailsFragment.URL, url);
            args.putString(ProblemDetailsFragment.Title, "UVa " + problemNo);
            problemDetailsFragment.setArguments(args);
            FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
            transaction.replace(R.id.fragment_container, problemDetailsFragment);
            transaction.addToBackStack(null);
            transaction.commit();
        }
    }
}