Java tutorial
/* * Copyright (C) 2014 Michell Bak * * 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.miz.mizuu.fragments; import android.content.Context; import android.content.Intent; import android.graphics.Bitmap.Config; import android.os.Bundle; import android.support.v4.app.Fragment; import android.support.v7.app.ActionBarActivity; import android.support.v7.widget.Toolbar; import android.text.Editable; import android.text.Html; import android.text.TextWatcher; import android.view.KeyEvent; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.view.ViewGroup.LayoutParams; import android.view.WindowManager; import android.view.inputmethod.EditorInfo; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.BaseAdapter; import android.widget.EditText; import android.widget.GridView; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.ListView; import android.widget.ProgressBar; import android.widget.TextView; import android.widget.TextView.OnEditorActionListener; import android.widget.Toast; import com.miz.abstractclasses.MovieApiService; import com.miz.apis.tmdb.Movie; import com.miz.base.MizActivity; import com.miz.db.DbAdapterMovies; import com.miz.functions.AsyncTask; import com.miz.functions.MizLib; import com.miz.mizuu.MizuuApplication; import com.miz.mizuu.MovieDetails; import com.miz.mizuu.R; import com.miz.mizuu.TMDbMovieDetails; import com.miz.utils.TypefaceUtils; import com.squareup.picasso.Picasso; import java.util.ArrayList; import java.util.List; public class SearchWebMoviesFragment extends Fragment { private ArrayList<Result> mResults = new ArrayList<Result>(); private ListView mListView; private EditText mSearchField; private ProgressBar mProgressBar; private SearchTask mSearchTask; private ListAdapter mAdapter; private Picasso mPicasso; private Config mConfig; private Toolbar mToolbar; /** * Empty constructor as per the Fragment documentation */ public SearchWebMoviesFragment() { } public static SearchWebMoviesFragment newInstance() { return new SearchWebMoviesFragment(); } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setRetainInstance(true); // Hide the keyboard getActivity().getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE); mPicasso = MizuuApplication.getPicasso(getActivity()); mConfig = MizuuApplication.getBitmapConfig(); mSearchTask = new SearchTask(); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { return inflater.inflate(R.layout.identify_movie_and_tv_show, container, false); } @Override public void onViewCreated(View v, Bundle savedInstanceState) { super.onViewCreated(v, savedInstanceState); mToolbar = (Toolbar) v.findViewById(R.id.toolbar); ((MizActivity) getActivity()).setSupportActionBar(mToolbar); mProgressBar = (ProgressBar) v.findViewById(R.id.progressBar1); v.findViewById(R.id.spinner1).setVisibility(View.GONE); mListView = (ListView) v.findViewById(R.id.listView1); mListView.setOnItemClickListener(new OnItemClickListener() { @Override public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) { showMovie(arg2); } }); mListView.setEmptyView(v.findViewById(R.id.no_results)); v.findViewById(R.id.no_results).setVisibility(View.GONE); // Both the ProgressBar and ListView have been set, so let's hide the ProgressBar hideProgressBar(); mSearchField = (EditText) v.findViewById(R.id.editText1); mSearchField.setSelection(mSearchField.length()); mSearchField.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) { } @Override public void afterTextChanged(Editable s) { if (s.toString().length() > 0) searchForMovies(); else { mSearchTask.cancel(true); mResults.clear(); mAdapter.notifyDataSetChanged(); } } }); mSearchField.setOnEditorActionListener(new OnEditorActionListener() { @Override public boolean onEditorAction(TextView v, int actionId, KeyEvent event) { if (actionId == EditorInfo.IME_NULL && event.getAction() == KeyEvent.ACTION_DOWN || actionId == EditorInfo.IME_ACTION_SEARCH) searchForMovies(); return true; } }); } protected void showMovie(int arg2) { DbAdapterMovies db = MizuuApplication.getMovieAdapter(); if (db.movieExists(mResults.get(arg2).getId())) { Intent intent = new Intent(); intent.setClass(getActivity(), MovieDetails.class); intent.putExtra("tmdbId", mResults.get(arg2).getId()); // Start the Intent for result startActivityForResult(intent, 0); } else { Intent i = new Intent(Intent.ACTION_VIEW); i.setClass(getActivity(), TMDbMovieDetails.class); i.putExtra("tmdbId", mResults.get(arg2).getId()); i.putExtra("title", mResults.get(arg2).getName()); startActivity(i); } } public void searchForMovies(View v) { searchForMovies(); } private void searchForMovies() { mResults.clear(); if (MizLib.isOnline(getActivity())) { if (!mSearchField.getText().toString().isEmpty()) { mSearchTask.cancel(true); mSearchTask = new SearchTask(); mSearchTask.execute(mSearchField.getText().toString()); } else { hideProgressBar(); mAdapter.notifyDataSetChanged(); } } else Toast.makeText(getActivity().getApplicationContext(), getString(R.string.noInternet), Toast.LENGTH_SHORT).show(); } protected class SearchTask extends AsyncTask<String, String, String> { @Override protected void onPreExecute() { showProgressBar(); } @Override protected String doInBackground(String... params) { try { if (isCancelled()) return null; MovieApiService service = MizuuApplication.getMovieService(getActivity().getApplicationContext()); List<Movie> movieResults = service.searchNgram(params[0], "en"); if (isCancelled()) return null; int count = movieResults.size(); for (int i = 0; i < count; i++) { mResults.add(new Result(movieResults.get(i).getTitle(), movieResults.get(i).getId(), movieResults.get(i).getCover(), movieResults.get(i).getRating(), movieResults.get(i).getReleasedate())); } if (isCancelled()) return null; return ""; } catch (Exception e) { } return null; } @Override protected void onPostExecute(String result) { if (!isAdded() || result == null) return; hideProgressBar(); if (mSearchField.getText().toString().length() > 0) { if (mListView.getAdapter() == null) { mAdapter = new ListAdapter(getActivity()); mListView.setAdapter(mAdapter); } else { mAdapter.notifyDataSetChanged(); } } } } static class ViewHolder { TextView title, rating, release, originalTitle; ImageView cover; LinearLayout layout; } public class ListAdapter extends BaseAdapter { private LayoutInflater inflater; private final Context mContext; private int mItemHeight = 0; private GridView.LayoutParams mImageViewLayoutParams; public ListAdapter(Context context) { mContext = context; inflater = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE); mImageViewLayoutParams = new ListView.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT); } public int getCount() { return mResults.size(); } // create a new ImageView for each item referenced by the Adapter public View getView(int position, View convertView, ViewGroup parent) { ViewHolder holder; if (convertView == null) { convertView = inflater.inflate(R.layout.list_item_movie_and_tv_show, parent, false); holder = new ViewHolder(); holder.title = (TextView) convertView.findViewById(R.id.movieTitle); holder.rating = (TextView) convertView.findViewById(R.id.textView7); holder.release = (TextView) convertView.findViewById(R.id.textReleaseDate); holder.originalTitle = (TextView) convertView.findViewById(R.id.originalTitle); holder.cover = (ImageView) convertView.findViewById(R.id.cover); holder.layout = (LinearLayout) convertView.findViewById(R.id.cover_layout); holder.title.setTypeface(TypefaceUtils.getRobotoCondensedRegular(getActivity())); holder.release.setTypeface(TypefaceUtils.getRobotoLightItalic(getActivity())); holder.rating.setTypeface(TypefaceUtils.getRobotoLightItalic(getActivity())); holder.originalTitle.setVisibility(View.GONE); // Check the height matches our calculated column width if (holder.layout.getLayoutParams().height != mItemHeight) { holder.layout.setLayoutParams(mImageViewLayoutParams); } convertView.setTag(holder); } else { holder = (ViewHolder) convertView.getTag(); } holder.title.setText(mResults.get(position).getName()); holder.release.setText(mResults.get(position).getRelease()); holder.rating.setVisibility(View.VISIBLE); if (!mResults.get(position).getRating().equals("0.0")) { try { int rating = (int) (Double.parseDouble(mResults.get(position).getRating()) * 10); holder.rating.setText( Html.fromHtml(getString(R.string.detailsRating) + ": " + rating + "<small> %</small>")); } catch (NumberFormatException e) { holder.rating.setVisibility(View.GONE); } } else { holder.rating.setVisibility(View.GONE); } mPicasso.load(mResults.get(position).getImage()).placeholder(R.drawable.gray) .error(R.drawable.loading_image).config(mConfig).into(holder.cover); return convertView; } @Override public Object getItem(int position) { return null; } @Override public long getItemId(int position) { return 0; } } @Override public void onResume() { super.onResume(); if (mAdapter != null) mAdapter.notifyDataSetChanged(); } public class Result { private String mName, mId, mImage, mRating, mRelease; public Result(String name, String id, String image, String rating, String release) { mName = name; mId = id; mImage = image; mRating = rating; mRelease = MizLib.getPrettyDate(getActivity(), release); } public String getName() { return mName; } public String getId() { return mId; } public String getImage() { return mImage; } public String getRating() { return mRating; } public String getRelease() { if (mRelease.equals("null")) return getString(R.string.unknownYear); return mRelease; } } private void showProgressBar() { mListView.setVisibility(View.GONE); mProgressBar.setVisibility(View.VISIBLE); } private void hideProgressBar() { mListView.setVisibility(View.VISIBLE); mProgressBar.setVisibility(View.GONE); } }