Java tutorial
/* * Copyright (C) 2011 by Ngewi Fet <ngewif@gmail.com> * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package com.digiplex.extra.grantpermissiondemo; import android.content.Intent; import android.os.Bundle; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentActivity; import android.support.v4.app.FragmentManager; import android.support.v4.app.FragmentTransaction; public class ContactActivity extends FragmentActivity implements OnContactSelectedListener { public static final String SELECTED_CONTACT_ID = "contact_id"; public static final String KEY_PHONE_NUMBER = "phone_number"; public static final String KEY_CONTACT_NAME = "contact_name"; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.contacts); FragmentManager fragmentManager = this.getSupportFragmentManager(); FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction(); ContactsFragment fragment = new ContactsFragment(); fragmentTransaction.add(R.id.fragment_container, fragment); fragmentTransaction.commit(); } @Override public void onContactNameSelected(long contactId) { /* Now that we know which Contact was selected we can go to the details fragment */ Fragment detailsFragment = new ContactDetailsFragment(); Bundle args = new Bundle(); args.putLong(SELECTED_CONTACT_ID, contactId); detailsFragment.setArguments(args); FragmentTransaction transaction = getSupportFragmentManager().beginTransaction(); transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN); // Replace whatever is in the fragment_container view with this fragment, // and add the transaction to the back stack transaction.replace(R.id.fragment_container, detailsFragment); transaction.addToBackStack(null); // Commit the transaction transaction.commit(); } /** * Callback when the contact number is selected from the contact details view * Sets the activity result with the contact information and finishes */ @Override public void onContactNumberSelected(String contactNumber, String contactName) { Intent intent = new Intent(); intent.putExtra(KEY_PHONE_NUMBER, contactNumber); intent.putExtra(KEY_CONTACT_NAME, contactName); setResult(RESULT_OK, intent); finish(); } }