Java tutorial
package com.yan.stamped; /* * Copyright (C) 2013 The Android Open Source Project * * 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. */ import android.app.Activity; import android.app.AlertDialog; import android.app.DialogFragment; import android.content.DialogInterface; import android.content.Intent; import android.graphics.Color; import android.graphics.Typeface; 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.view.PagerAdapter; import android.support.v4.view.ViewPager; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.Button; import android.widget.GridLayout; import android.widget.GridView; import android.widget.ListView; import android.widget.TextView; import android.widget.Toast; import java.util.ArrayList; import java.util.List; import java.util.Map; /** * to display a custom {@link android.support.v4.view.ViewPager} title strip which gives continuous feedback to the user * when scrolling. */ public class SlidingTabsBasicFragment extends Fragment { static final String LOG_TAG = "SlidingTabsBasicFragment"; SchemesFragment SCHEMES = new SchemesFragment(); private FragmentActivity myContext; ImageAdapter imageadapt; DatabaseHandler db; UserFunctions userFunctions; ArrayList<String> availableRewards; List<Map<String, String>> availableRewardsExtra; //ArrayAdapter<String> arrayAdapter; RewardAdapter rewardAdapter; Typeface font; /** * A custom {@link android.support.v4.view.ViewPager} title strip which looks much like Tabs present in Android v4.0 and * above, but is designed to give continuous feedback to the user when scrolling. */ private SlidingTabLayout mSlidingTabLayout; /** * A {@link android.support.v4.view.ViewPager} which will be used in conjunction with the {@link SlidingTabLayout} above. */ private ViewPager mViewPager; private GridView myGrid; /** * Inflates the {@link android.view.View} which will be displayed by this {@link Fragment}, from the app's * resources. */ @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { imageadapt = new ImageAdapter(getActivity()); rewardAdapter = new RewardAdapter(getActivity()); db = new DatabaseHandler(getActivity()); userFunctions = new UserFunctions(); availableRewards = new ArrayList<String>(); availableRewards = db.getAvailableRewards(); availableRewardsExtra = db.getRewards(); font = Typeface.createFromAsset(getActivity().getApplicationContext().getAssets(), "fontawesome-webfont.ttf"); //arrayAdapter = new ArrayAdapter<String>(getActivity()); return inflater.inflate(R.layout.home_fragment, container, false); } // BEGIN_INCLUDE (fragment_onviewcreated) /** * This is called after the {@link #onCreateView(LayoutInflater, ViewGroup, Bundle)} has finished. * Here we can pick out the {@link View}s we need to configure from the content view. * * We set the {@link ViewPager}'s adapter to be an instance of {@link SamplePagerAdapter}. The * {@link SlidingTabLayout} is then given the {@link ViewPager} so that it can populate itself. * * @param view View created in {@link #onCreateView(LayoutInflater, ViewGroup, Bundle)} */ @Override public void onAttach(Activity activity) { myContext = (FragmentActivity) activity; super.onAttach(activity); } @Override public void onViewCreated(View view, Bundle savedInstanceState) { // BEGIN_INCLUDE (setup_viewpager) // Get the ViewPager and set it's PagerAdapter so that it can display items mViewPager = (ViewPager) view.findViewById(R.id.viewpager); mViewPager.setAdapter(new SamplePagerAdapter()); // END_INCLUDE (setup_viewpager) // BEGIN_INCLUDE (setup_slidingtablayout) // Give the SlidingTabLayout the ViewPager, this must be done AFTER the ViewPager has had // it's PagerAdapter set. mSlidingTabLayout = (SlidingTabLayout) view.findViewById(R.id.sliding_tabs); mSlidingTabLayout.setViewPager(mViewPager); // END_INCLUDE (setup_slidingtablayout) } // END_INCLUDE (fragment_onviewcreated) /** * The {@link android.support.v4.view.PagerAdapter} used to display pages in this sample. * The individual pages are simple and just display two lines of text. The important section of * this class is the {@link #getPageTitle(int)} method which controls what is displayed in the * {@link SlidingTabLayout}. */ class SamplePagerAdapter extends PagerAdapter { /** * @return the number of pages to display */ @Override public int getCount() { return 3; } public String[] pages = new String[] { "PROFILE", "MY SCHEMES", "REWARDS" }; /** * @return true if the value returned from {@link #instantiateItem(ViewGroup, int)} is the * same object as the {@link View} added to the {@link ViewPager}. */ @Override public boolean isViewFromObject(View view, Object o) { return o == view; } // BEGIN_INCLUDE (pageradapter_getpagetitle) /** * Return the title of the item at {@code position}. This is important as what this method * returns is what is displayed in the {@link SlidingTabLayout}. * <p> * Here we construct one using the position value, but for real application the title should * refer to the item's contents. */ @Override public CharSequence getPageTitle(int position) { return pages[position]; } // END_INCLUDE (pageradapter_getpagetitle) /** * Instantiate the {@link View} which should be displayed at {@code position}. Here we * inflate a layout from the apps resources and then change the text view to signify the position. */ @Override public Object instantiateItem(ViewGroup container, int position) { // Inflate a new layout from our resources FragmentManager fragManager = myContext.getSupportFragmentManager(); View view; switch (position) { case 0: imageadapt.reload(); imageadapt.addQuick(); imageadapt.notifyDataSetChanged(); rewardAdapter.notifyDataSetChanged(); view = getActivity().getLayoutInflater().inflate(R.layout.brofile_fragment, container, false); container.addView(view); TextView icon2 = (TextView) container.getRootView().findViewById(R.id.stampscore_icon); TextView icon3 = (TextView) container.getRootView().findViewById(R.id.availrewards_icon); TextView fullname = (TextView) container.getRootView().findViewById(R.id.username); fullname.setText(db.getUserDetails().get("Username")); icon2.setTypeface(font); icon3.setTypeface(font); TextView stampScore = (TextView) container.getRootView().findViewById(R.id.stamp_score); stampScore.setText(db.getStampScore().toString()); TextView availtext = (TextView) container.getRootView().findViewById(R.id.avail_text); availtext.setText(availableRewards.size() + ""); break; case 1: // fragManager.beginTransaction().add(R.id.viewpager, SCHEMES).commit(); // view = SCHEMES.getView(); view = getActivity().getLayoutInflater().inflate(R.layout.schemes_fragment, container, false); INITIATE(view); imageadapt.reload(); rewardAdapter.notifyDataSetChanged(); imageadapt.notifyDataSetChanged(); imageadapt.addQuick(); myGrid.invalidate(); container.addView(view); break; case 2: imageadapt.reload(); imageadapt.addQuick(); imageadapt.notifyDataSetChanged(); view = getActivity().getLayoutInflater().inflate(R.layout.rewards_fragment, container, false); myGrid.invalidate(); container.addView(view); INITIATEREWARDS(container); rewardAdapter.notifyDataSetChanged(); break; default: view = getActivity().getLayoutInflater().inflate(R.layout.pager_item, container, false); container.addView(view); } // Retrieve a TextView from the inflated View, and update it's text // title = (TextView) view.findViewById(R.id.item_title); //title.setText(String.valueOf(position + 1)); Log.i(LOG_TAG, "instantiateItem() [position: " + position + "]"); // Return the View return view; } public void INITIATEREWARDS(View v) { ListView rewardlist = (ListView) v.getRootView().findViewById(R.id.listView2); rewardlist.setAdapter(null); availableRewards = db.getAvailableRewards(); availableRewardsExtra = db.getRewards(); //arrayAdapter = new ArrayAdapter<String>(v.getRootView().getContext(), android.R.layout.simple_list_item_1, availableRewards); rewardlist.setAdapter(rewardAdapter); rewardlist.setOnItemClickListener(new AdapterView.OnItemClickListener() { public void onItemClick(final AdapterView<?> parent, View v, int position, long id) { Log.e("rewardmessage", "." + availableRewardsExtra.get(position).get("SchemeID") + "." + availableRewardsExtra.get(0).get("Cost")); userFunctions.setRewardMessage("|" + availableRewardsExtra.get(position).get("SchemeID") + "|" + availableRewardsExtra.get(0).get("Cost")); //b.putString("name", imageadapt.getName(position)); //Your id //b.putInt("stamps", imageadapt.getStampCount(position)); LayoutInflater inflater = getActivity().getLayoutInflater(); View dialoglayout = inflater.inflate(R.layout.alert, null); TextView title = (TextView) dialoglayout.findViewById(R.id.reward_name); TextView desc = (TextView) dialoglayout.findViewById(R.id.reward_description); TextView cost = (TextView) dialoglayout.findViewById(R.id.reward_cost); Button cancel = (Button) dialoglayout.findViewById(R.id.reward_cancel); title.setText(availableRewardsExtra.get(position).get("Name").split("\\: ")[1]); desc.setText(availableRewardsExtra.get(position).get("Description")); cost.setText(availableRewardsExtra.get(position).get("Cost") + " stamps"); final AlertDialog.Builder builder = new AlertDialog.Builder(getActivity()); builder.setView(dialoglayout); builder.setCancelable(false); builder.setOnDismissListener(new DialogInterface.OnDismissListener() { @Override public void onDismiss(DialogInterface dialog) { // userFunctions.setRewardMessage(""); } }); final AlertDialog dialog = builder.create(); userFunctions.addAlert(dialog); cancel.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Log.e("test", "clearing"); userFunctions.dismissAllDialogs(); } }); dialog.show(); } }); } public void INITIATE(View v) { myGrid = (GridView) v.findViewById(R.id.gweed); imageadapt.reload(); imageadapt.notifyDataSetChanged(); imageadapt.addQuick(); myGrid.setAdapter(null); myGrid.setAdapter(imageadapt); myGrid.setOnItemClickListener(new AdapterView.OnItemClickListener() { public void onItemClick(AdapterView<?> parent, View v, int position, long id) { //Toast.makeText(getActivity(), // imageadapt.getName(position) + imageadapt.getStampCount(position), Toast.LENGTH_SHORT).show(); //Intent scheme = new Intent(getActivity(), Scheme.class); //Bundle b = new Bundle(); //b.putString("name", imageadapt.getName(position)); //Your id //b.putInt("stamps", imageadapt.getStampCount(position)); //scheme.putExtras(b); //Put your id to your next Intent //startActivity(scheme); LayoutInflater inflater = getActivity().getLayoutInflater(); View dialoglayout = inflater.inflate(R.layout.scheme_details, null); TextView title = (TextView) dialoglayout.findViewById(R.id.reward_name); TextView cost = (TextView) dialoglayout.findViewById(R.id.reward_text); GridView gGrid = (GridView) dialoglayout.findViewById(R.id.stamp_grid); title.setText(imageadapt.getName(position)); //desc.setText(availableRewardsExtra.get(position).get("Description")); cost.setText(db.getRewards().get(position).get("Cost") + " Stamps - " + db.getRewards().get(position).get("Name").split("\\: ")[1]); gGrid.setAdapter(new ImageAdapter2(getActivity(), Integer.parseInt(db.getRewards().get(position).get("Cost")), imageadapt.getStampCount(position))); final AlertDialog.Builder builder = new AlertDialog.Builder(getActivity()); builder.setView(dialoglayout); final AlertDialog dialog = builder.create(); userFunctions.addAlert(dialog); dialog.show(); } }); } /** * Destroy the item from the {@link ViewPager}. In our case this is simply removing the * {@link View}. */ @Override public void destroyItem(ViewGroup container, int position, Object object) { container.removeView((View) object); Log.i(LOG_TAG, "destroyItem() [position: " + position + "]"); } } }