Java tutorial
/* * 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. */ package com.eugene.fithealthmaingit.UI.NavFragments; import android.annotation.TargetApi; import android.app.Activity; import android.app.AlertDialog; import android.content.ActivityNotFoundException; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.os.AsyncTask; import android.os.Build; import android.os.Bundle; import android.os.Handler; import android.speech.RecognizerIntent; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentManager; import android.support.v7.widget.CardView; import android.text.Editable; import android.text.TextWatcher; import android.view.KeyEvent; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.view.animation.Animation; import android.view.animation.TranslateAnimation; import android.view.inputmethod.EditorInfo; import android.view.inputmethod.InputMethodManager; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.EditText; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.ListView; import android.widget.RelativeLayout; import android.widget.TextView; import android.widget.Toast; import com.eugene.fithealthmaingit.Databases_Adapters_ListViews.FatSecretSearchList.SearchAdapterItemResult; import com.eugene.fithealthmaingit.Databases_Adapters_ListViews.FatSecretSearchList.SearchItemResult; import com.eugene.fithealthmaingit.Databases_Adapters_ListViews.LogQuickSearchData.LogQuickSearch; import com.eugene.fithealthmaingit.Databases_Adapters_ListViews.LogQuickSearchData.LogQuickSearchAdapter; import com.eugene.fithealthmaingit.FatSecretSearchAndGet.FatSecretSearchMethod; import com.eugene.fithealthmaingit.R; import com.eugene.fithealthmaingit.UI.SaveSearchAddItemActivityMain; import com.eugene.fithealthmaingit.Utilities.Globals; import com.eugene.fithealthmaingit.Utilities.InitiateSearch; import com.eugene.fithealthmaingit.Utilities.NetworkConnectionStatus; import org.json.JSONArray; import org.json.JSONException; import org.json.JSONObject; import java.util.ArrayList; import java.util.Date; import java.util.HashSet; import java.util.Locale; import java.util.Set; /** * Search Fragment * Searched Fat Secret Rest Api * Overlays FragmentJournalMain */ public class FragmentSearch extends Fragment { private View line_divider; private RelativeLayout view_search; private CardView card_search; private ImageView image_search_back, clearSearch; private EditText edit_text_search; private ListView listView, listContainer; LinearLayout searchBack; private LogQuickSearchAdapter logQuickSearchAdapter; private Set<String> set; private ArrayList<SearchItemResult> mItem; private FatSecretSearchMethod mFatSecretSearch; private SearchAdapterItemResult searchAdapter; private String brand; private AsyncTask<String, String, String> mAsyncTask; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View v = inflater.inflate(R.layout.fragment_search, container, false); view_search = (RelativeLayout) v.findViewById(R.id.view_search); edit_text_search = (EditText) v.findViewById(R.id.edit_text_search); edit_text_search.requestFocus(); card_search = (CardView) v.findViewById(R.id.card_search); image_search_back = (ImageView) v.findViewById(R.id.image_search_back); listView = (ListView) v.findViewById(R.id.listNaviationDrawer); listView.setVisibility(View.GONE); listContainer = (ListView) v.findViewById(R.id.listContainer); ViewGroup header = (ViewGroup) inflater.inflate(R.layout.list_search_header, listContainer, false); listContainer.addHeaderView(header, null, false); clearSearch = (ImageView) v.findViewById(R.id.clearSearch); line_divider = v.findViewById(R.id.line_divider); logQuickSearchAdapter = new LogQuickSearchAdapter(getActivity(), 0, LogQuickSearch.all()); mItem = new ArrayList<>(); searchAdapter = new SearchAdapterItemResult(getActivity(), mItem); listView.setAdapter(logQuickSearchAdapter); listContainer.setAdapter(searchAdapter); set = new HashSet<>(); mFatSecretSearch = new FatSecretSearchMethod(); searchBack = (LinearLayout) v.findViewById(R.id.searchBack); InitiateSearch(); HandleSearch(); view_search.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { InitiateSearch.handleToolBar(getActivity(), card_search, view_search, listView, edit_text_search, line_divider); endFragment(); } }); InitiateClick(); return v; } @Override public void onViewCreated(View view, Bundle savedInstanceState) { super.onViewCreated(view, savedInstanceState); } String mealType = ""; String mealId1 = ""; String mealBrand = ""; String mealFaborite = ""; private void InitiateClick() { listContainer.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { mealId1 = mItem.get(position - 1).getID(); mealBrand = mItem.get(position - 1).getBrand(); mealFaborite = "false"; AlertDialog.Builder builderSingle = new AlertDialog.Builder(getActivity()) .setTitle("Choose Meal: "); final ArrayAdapter<String> mAdapterMoveMeal = new ArrayAdapter<>(getActivity(), android.R.layout.simple_list_item_1); mAdapterMoveMeal.add("Snack"); mAdapterMoveMeal.add("Breakfast"); mAdapterMoveMeal.add("Lunch"); mAdapterMoveMeal.add("Dinner"); builderSingle.setNegativeButton("cancel", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { dialog.dismiss(); } }); builderSingle.setAdapter(mAdapterMoveMeal, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { String strName = mAdapterMoveMeal.getItem(which); Intent i = new Intent(getActivity(), SaveSearchAddItemActivityMain.class); i.putExtra(Globals.MEAL_TYPE, strName); i.putExtra(Globals.MEAL_FAVORITE, "false"); i.putExtra(Globals.MEAL_ID, mealId1); i.putExtra(Globals.MEAL_BRAND, mealBrand); startActivity(i); } }); builderSingle.show(); } }); } private void InitiateSearch() { card_search.addOnLayoutChangeListener(new View.OnLayoutChangeListener() { @TargetApi(Build.VERSION_CODES.LOLLIPOP) @Override public void onLayoutChange(View v, int left, int top, int right, int bottom, int oldLeft, int oldTop, int oldRight, int oldBottom) { v.removeOnLayoutChangeListener(this); InitiateSearch.handleToolBar(getActivity(), card_search, view_search, listView, edit_text_search, line_divider); } }); listView.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { LogQuickSearch logQuickSearch = logQuickSearchAdapter.getItem(position); edit_text_search.setText(logQuickSearch.getName()); listView.setVisibility(View.GONE); ((InputMethodManager) getActivity().getSystemService(Context.INPUT_METHOD_SERVICE)) .hideSoftInputFromWindow(edit_text_search.getWindowToken(), 0); searchFood(logQuickSearch.getName(), 0); } }); edit_text_search.addTextChangedListener(new TextWatcher() { @Override public void beforeTextChanged(CharSequence s, int start, int count, int after) { } @Override public void onTextChanged(CharSequence s, int start, int before, int count) { if (edit_text_search.getText().toString().length() == 0) { logQuickSearchAdapter = new LogQuickSearchAdapter(getActivity(), 0, LogQuickSearch.all()); listView.setAdapter(logQuickSearchAdapter); clearSearch.setImageResource(R.mipmap.ic_keyboard_voice); IsAdapterEmpty(); } else { logQuickSearchAdapter = new LogQuickSearchAdapter(getActivity(), 0, LogQuickSearch.FilterByName(edit_text_search.getText().toString())); listView.setAdapter(logQuickSearchAdapter); clearSearch.setImageResource(R.mipmap.ic_close); IsAdapterEmpty(); } } @Override public void afterTextChanged(Editable s) { } }); clearSearch.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if (edit_text_search.getText().toString().length() != 0) { edit_text_search.setText(""); searchBack.setVisibility(View.GONE); listView.setVisibility(View.VISIBLE); clearItems(); ((InputMethodManager) getActivity().getSystemService(Context.INPUT_METHOD_SERVICE)) .toggleSoftInput(InputMethodManager.SHOW_FORCED, InputMethodManager.HIDE_IMPLICIT_ONLY); IsAdapterEmpty(); } else { promptSpeechInput(edit_text_search); } } }); } private void HandleSearch() { image_search_back.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { clearItems(); InitiateSearch.handleToolBar(getActivity(), card_search, view_search, listView, edit_text_search, line_divider); searchBack.setVisibility(View.GONE); endFragment(); } }); edit_text_search.setOnEditorActionListener(new TextView.OnEditorActionListener() { @Override public boolean onEditorAction(TextView v, int actionId, KeyEvent event) { if (actionId == EditorInfo.IME_ACTION_SEARCH) { if (edit_text_search.getText().toString().trim().length() > 0) { clearItems(); ((InputMethodManager) getActivity().getSystemService(Context.INPUT_METHOD_SERVICE)) .hideSoftInputFromWindow(edit_text_search.getWindowToken(), 0); UpdateQuickSearch(edit_text_search.getText().toString()); listView.setVisibility(View.GONE); searchFood(edit_text_search.getText().toString(), 0); } return true; } return false; } }); } private void UpdateQuickSearch(String item) { for (int i = 0; i < logQuickSearchAdapter.getCount(); i++) { LogQuickSearch ls = logQuickSearchAdapter.getItem(i); String name = ls.getName(); set.add(name.toUpperCase()); } if (set.add(item.toUpperCase())) { LogQuickSearch recentLog = new LogQuickSearch(); recentLog.setName(item); recentLog.setDate(new Date()); recentLog.save(); logQuickSearchAdapter.add(recentLog); logQuickSearchAdapter.notifyDataSetChanged(); } } private void IsAdapterEmpty() { if (logQuickSearchAdapter.getCount() == 0) { line_divider.setVisibility(View.GONE); } else { line_divider.setVisibility(View.VISIBLE); } } private void clearItems() { listContainer.setVisibility(View.GONE); mItem.clear(); searchAdapter.notifyDataSetChanged(); } private void endFragment() { final Handler handler = new Handler(); handler.postDelayed(new Runnable() { @Override public void run() { getActivity().getSupportFragmentManager().popBackStack(null, FragmentManager.POP_BACK_STACK_INCLUSIVE); } }, 300); } private void searchFood(final String item, final int page_num) { if (!NetworkConnectionStatus.isNetworkAvailable(getActivity())) { Toast.makeText(getActivity(), "Check your connection and try again", Toast.LENGTH_LONG).show(); } else { mAsyncTask = new AsyncTask<String, String, String>() { @Override protected void onPreExecute() { } @Override protected String doInBackground(String... arg0) { JSONObject food = mFatSecretSearch.searchFood(item, page_num); JSONArray FOODS_ARRAY; try { if (food != null) { FOODS_ARRAY = food.getJSONArray("food"); if (FOODS_ARRAY != null) { for (int i = 0; i < FOODS_ARRAY.length(); i++) { JSONObject food_items = FOODS_ARRAY.optJSONObject(i); String food_name = food_items.getString("food_name"); String food_description = food_items.getString("food_description"); String[] row = food_description.split("-"); String id = food_items.getString("food_type"); if (id.equals("Brand")) { brand = food_items.getString("brand_name"); } if (id.equals("Generic")) { brand = "Generic"; } String food_id = food_items.getString("food_id"); mItem.add(new SearchItemResult(food_name, row[1].substring(1), "" + brand, food_id)); } } } } catch (JSONException exception) { exception.printStackTrace(); return "Error"; } return ""; } @Override protected void onPostExecute(String result) { super.onPostExecute(result); searchAdapter.notifyDataSetChanged(); if (listContainer.getCount() > 0) { searchBack.setVisibility(View.VISIBLE); TranslateAnimation slide = new TranslateAnimation(0, 0, listContainer.getHeight(), 0); slide.setStartTime(1000); listContainer.setVisibility(View.VISIBLE); slide.setAnimationListener(new Animation.AnimationListener() { @Override public void onAnimationStart(Animation animation) { } @Override public void onAnimationEnd(Animation animation) { } @Override public void onAnimationRepeat(Animation animation) { } }); slide.setDuration(400); listContainer.startAnimation(slide); } else { searchBack.setVisibility(View.GONE); listContainer.setVisibility(View.GONE); } } @Override protected void onCancelled() { } }; mAsyncTask.execute(); } } /** * Speech Input * Voice search then implements search method based on result */ public static int REQ_CODE_SPEECH_INPUT = 100; public static String SEARCH_VOICE = ""; private void promptSpeechInput(EditText e) { ((InputMethodManager) getActivity().getSystemService(Context.INPUT_METHOD_SERVICE)) .hideSoftInputFromWindow(e.getWindowToken(), 0); Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH); intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, RecognizerIntent.LANGUAGE_MODEL_FREE_FORM); intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE, Locale.getDefault()); intent.putExtra(RecognizerIntent.EXTRA_PROMPT, "Say Something"); try { startActivityForResult(intent, REQ_CODE_SPEECH_INPUT); } catch (ActivityNotFoundException a) { Toast.makeText(getActivity().getApplicationContext(), "Not Supported", Toast.LENGTH_SHORT).show(); } } /** * Set the text based on google voice then implement search */ @Override public void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); if (requestCode == REQ_CODE_SPEECH_INPUT) { if (resultCode == Activity.RESULT_OK && null != data) { ArrayList<String> result = data.getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS); edit_text_search.setText(result.get(0)); } } } }