Java tutorial
/** * The MIT License (MIT) Copyright (c) 2013 Chute 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.getchute.android.photopickerplus.ui.activity; import android.annotation.SuppressLint; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.support.v4.app.FragmentTransaction; import android.support.v7.widget.Toolbar; import android.util.Log; import com.chute.sdk.v2.api.accounts.GCAccounts; import com.chute.sdk.v2.api.authentication.AuthenticationFactory; import com.chute.sdk.v2.model.AccountModel; import com.chute.sdk.v2.model.AssetModel; import com.chute.sdk.v2.model.enums.AccountType; import com.chute.sdk.v2.model.response.ListResponseModel; import com.chute.sdk.v2.utils.PreferenceUtil; import com.dg.libs.rest.callbacks.HttpCallback; import com.dg.libs.rest.domain.ResponseStatus; import com.getchute.android.photopickerplus.R; import com.getchute.android.photopickerplus.models.DeliverMediaModel; import com.getchute.android.photopickerplus.models.enums.PhotoFilterType; import com.getchute.android.photopickerplus.ui.fragment.FragmentRoot; import com.getchute.android.photopickerplus.ui.fragment.FragmentSingle; import com.getchute.android.photopickerplus.ui.listener.ListenerAccountAssetsSelection; import com.getchute.android.photopickerplus.ui.listener.ListenerFilesAccount; import com.getchute.android.photopickerplus.ui.listener.ListenerFilesCursor; import com.getchute.android.photopickerplus.ui.listener.ListenerFragmentRoot; import com.getchute.android.photopickerplus.ui.listener.ListenerFragmentSingle; import com.getchute.android.photopickerplus.ui.listener.ListenerImageSelection; import com.getchute.android.photopickerplus.ui.listener.ListenerVideoSelection; import com.getchute.android.photopickerplus.util.AssetUtil; import com.getchute.android.photopickerplus.util.Constants; import com.getchute.android.photopickerplus.util.FragmentUtil; import com.getchute.android.photopickerplus.util.NotificationUtil; import com.getchute.android.photopickerplus.util.PhotoPickerPreferenceUtil; import com.getchute.android.photopickerplus.util.intent.IntentUtil; import com.getchute.android.photopickerplus.util.intent.PhotosIntentWrapper; import java.util.ArrayList; import java.util.List; /** * Activity for displaying the content of the selected service. * * This activity is used to display albums and assets for both local and remote * services in a GridView or ListView. * */ public class AssetActivity extends BaseActivity implements ListenerFilesCursor, ListenerFilesAccount, ListenerFragmentRoot, ListenerFragmentSingle { public static final int USE_ITEM = 5; private static final String TAG = AssetActivity.class.getSimpleName(); private PhotoFilterType filterType; private PhotosIntentWrapper wrapper; private FragmentRoot fragmentRoot; private FragmentSingle fragmentSingle; private AccountModel account; private AccountType accountType; private List<Integer> selectedAccountsPositions; private List<Integer> selectedImagesPositions; private List<Integer> selectedVideosPositions; private ListenerAccountAssetsSelection listenerAccountsSelection; private ListenerImageSelection listenerImagesSelection; private ListenerVideoSelection listenerVideosSelection; private String folderId; private Toolbar toolbar; public void setAssetsSelectListener(ListenerAccountAssetsSelection adapterListener) { this.listenerAccountsSelection = adapterListener; } public void setImagesSelectListener(ListenerImageSelection adapterListener) { this.listenerImagesSelection = adapterListener; } public void setVideosSelectListener(ListenerVideoSelection adapterListener) { this.listenerVideosSelection = adapterListener; } @Override protected int getLayoutResource() { return R.layout.gc_activity_assets; } @Override protected void setToolBar(Toolbar toolbar) { this.toolbar = toolbar; } public Toolbar getToolbar() { return toolbar; } @SuppressLint("NewApi") @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); retrieveSavedValuesFromBundle(savedInstanceState); wrapper = new PhotosIntentWrapper(getIntent()); account = wrapper.getAccount(); filterType = wrapper.getFilterType(); FragmentTransaction ft = getSupportFragmentManager().beginTransaction(); if (savedInstanceState == null) { fragmentRoot = FragmentRoot.newInstance(account, filterType, selectedAccountsPositions, selectedImagesPositions, selectedVideosPositions); ft.add(R.id.gcFragments, fragmentRoot, FragmentUtil.TAG_FRAGMENT_FOLDER).commit(); } } @Override public void onAccountFilesSelect(AssetModel assetModel, AccountModel accountModel) { IntentUtil.deliverDataToInitialActivity(AssetActivity.this, assetModel, accountModel); setResult(RESULT_OK); finish(); } @Override public void onCursorAssetsSelect(AssetModel assetModel) { IntentUtil.deliverDataToInitialActivity(AssetActivity.this, assetModel, null); setResult(RESULT_OK); finish(); } @Override public void onDeliverCursorAssets(List<DeliverMediaModel> deliverList) { IntentUtil.deliverDataToInitialActivity(AssetActivity.this, AssetUtil.getPhotoCollection(deliverList), null); setResult(RESULT_OK); finish(); } @Override public void onDeliverAccountFiles(ArrayList<AssetModel> assetModelList, AccountModel accountModel) { IntentUtil.deliverDataToInitialActivity(AssetActivity.this, assetModelList, accountModel); setResult(RESULT_OK); finish(); } @Override public void onAccountFolderSelect(AccountModel account, String folderId) { this.folderId = folderId; FragmentTransaction fragmentTransaction = getSupportFragmentManager().beginTransaction(); fragmentTransaction.replace(R.id.gcFragments, FragmentSingle.newInstance(account, folderId, selectedAccountsPositions), FragmentUtil.TAG_FRAGMENT_FILES); fragmentTransaction.addToBackStack(null); fragmentTransaction.commit(); } @Override protected void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); outState.putString(Constants.KEY_FOLDER_ID, folderId); List<Integer> accountPositions = new ArrayList<Integer>(); List<Integer> imagePositions = new ArrayList<Integer>(); List<Integer> videoPositions = new ArrayList<Integer>(); if (listenerAccountsSelection != null && listenerAccountsSelection.getSocialPhotosSelection() != null) { accountPositions.addAll(listenerAccountsSelection.getSocialPhotosSelection()); outState.putIntegerArrayList(Constants.KEY_SELECTED_ACCOUNTS_ITEMS, (ArrayList<Integer>) accountPositions); } if (listenerImagesSelection != null && listenerImagesSelection.getCursorImagesSelection() != null) { imagePositions.addAll(listenerImagesSelection.getCursorImagesSelection()); outState.putIntegerArrayList(Constants.KEY_SELECTED_IMAGES_ITEMS, (ArrayList<Integer>) imagePositions); } if (listenerVideosSelection != null && listenerVideosSelection.getCursorVideosSelection() != null) { videoPositions.addAll(listenerVideosSelection.getCursorVideosSelection()); outState.putIntegerArrayList(Constants.KEY_SELECTED_VIDEOS_ITEMS, (ArrayList<Integer>) videoPositions); } } @Override protected void onRestoreInstanceState(Bundle savedInstanceState) { super.onRestoreInstanceState(savedInstanceState); updateRootFragment(); updateSingleFragment(); } @Override public void onSessionExpired(AccountType accountType) { PhotoPickerPreferenceUtil.get().setAccountType(accountType); AuthenticationFactory.getInstance().startAuthenticationActivity(AssetActivity.this, accountType); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); if (resultCode == Activity.RESULT_OK) { GCAccounts.allUserAccounts(new AccountsCallback()).executeAsync(); } } private final class AccountsCallback implements HttpCallback<ListResponseModel<AccountModel>> { @Override public void onSuccess(ListResponseModel<AccountModel> responseData, ResponseStatus status) { if (accountType == null) { accountType = PhotoPickerPreferenceUtil.get().getAccountType(); } if (responseData.getData().size() == 0) { NotificationUtil.makeToast(getApplicationContext(), R.string.no_albums_found); return; } for (AccountModel accountModel : responseData.getData()) { if (accountModel.getType().equals(accountType.getLoginMethod())) { PreferenceUtil.get().saveAccount(accountModel); accountClicked(accountModel.getId(), accountType.name().toLowerCase(), accountModel.getShortcut()); } } } @Override public void onHttpError(ResponseStatus responseStatus) { Log.d(TAG, "Http Error: " + responseStatus.getStatusCode() + " " + responseStatus.getStatusMessage()); } } public void accountClicked(String accountId, String accountName, String accountShortcut) { selectedAccountsPositions = null; selectedImagesPositions = null; selectedVideosPositions = null; updateRootFragment(); } private void retrieveSavedValuesFromBundle(Bundle savedInstanceState) { selectedAccountsPositions = savedInstanceState != null ? savedInstanceState.getIntegerArrayList(Constants.KEY_SELECTED_ACCOUNTS_ITEMS) : null; selectedImagesPositions = savedInstanceState != null ? savedInstanceState.getIntegerArrayList(Constants.KEY_SELECTED_IMAGES_ITEMS) : null; selectedVideosPositions = savedInstanceState != null ? savedInstanceState.getIntegerArrayList(Constants.KEY_SELECTED_VIDEOS_ITEMS) : null; folderId = savedInstanceState != null ? savedInstanceState.getString(Constants.KEY_FOLDER_ID) : null; } private void updateRootFragment() { fragmentRoot = (FragmentRoot) getSupportFragmentManager() .findFragmentByTag(FragmentUtil.TAG_FRAGMENT_FOLDER); if (fragmentRoot != null) { fragmentRoot.updateFragment(account, filterType, selectedAccountsPositions, selectedImagesPositions, selectedVideosPositions); } } private void updateSingleFragment() { fragmentSingle = (FragmentSingle) getSupportFragmentManager() .findFragmentByTag(FragmentUtil.TAG_FRAGMENT_FILES); if (fragmentSingle != null) { fragmentSingle.updateFragment(account, folderId, selectedAccountsPositions); } } public List<Integer> getPositions() { return selectedImagesPositions; } @Override public void onFragmentRootNavigationBack() { finish(); } @Override public void onFragmentSingleNavigationBack() { FragmentUtil.replaceContentWithRootFragment(AssetActivity.this, account, filterType, selectedAccountsPositions, selectedImagesPositions, selectedVideosPositions); } }