Java tutorial
/* * Copyright 2015 Synced Synapse. All rights reserved. * * 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 org.xbmc.kore.ui; import android.app.Activity; import android.content.Context; import android.content.Intent; import android.content.res.Resources; import android.os.Bundle; import android.support.v4.widget.DrawerLayout; import android.support.v7.app.ActionBar; import android.support.v7.widget.Toolbar; import android.util.DisplayMetrics; import android.view.LayoutInflater; import android.view.MenuItem; import android.view.View; import android.view.ViewGroup; import android.view.WindowManager; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.GridView; import android.widget.ImageView; import android.widget.TextView; import org.xbmc.kore.R; import org.xbmc.kore.host.HostManager; import org.xbmc.kore.jsonrpc.type.VideoType; import org.xbmc.kore.utils.LogUtils; import org.xbmc.kore.utils.UIUtils; import org.xbmc.kore.utils.Utils; import java.util.ArrayList; import butterknife.ButterKnife; import butterknife.InjectView; /** * Activity that presents all cast of a movie or TV Show * Accepts the title to be shown on the action bar and a ArrayList<Cast> to display */ public class AllCastActivity extends BaseActivity { private static final String TAG = LogUtils.makeLogTag(AllCastActivity.class); // Extras to be passed to this activity: title and the cast list public static final String EXTRA_TITLE = "EXTRA_TITLE"; public static final String EXTRA_CAST_LIST = "EXTRA_CAST_LIST"; // Passed arguments private String movie_tvshow_title; private ArrayList<VideoType.Cast> castArrayList; NavigationDrawerFragment navigationDrawerFragment; @InjectView(R.id.cast_list) GridView castGridView; @InjectView(android.R.id.empty) TextView emptyView; /** * Returns an intent that can be used to start this activity, with all the correct parameters * * @param context Calling activity's context * @param title Title to show on action bar * @param castArrayList Cast list to show * @return Intent to start this activity */ public static Intent buildLaunchIntent(Context context, String title, ArrayList<VideoType.Cast> castArrayList) { return new Intent(context, AllCastActivity.class).putExtra(EXTRA_TITLE, title) .putParcelableArrayListExtra(EXTRA_CAST_LIST, castArrayList); } @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_all_cast); ButterKnife.inject(this); // Set up the drawer. navigationDrawerFragment = (NavigationDrawerFragment) getSupportFragmentManager() .findFragmentById(R.id.navigation_drawer); navigationDrawerFragment.setUp(R.id.navigation_drawer, (DrawerLayout) findViewById(R.id.drawer_layout)); if (savedInstanceState == null) { movie_tvshow_title = getIntent().getStringExtra(EXTRA_TITLE); castArrayList = getIntent().getParcelableArrayListExtra(EXTRA_CAST_LIST); } else { movie_tvshow_title = savedInstanceState.getString(EXTRA_TITLE); castArrayList = savedInstanceState.getParcelableArrayList(EXTRA_CAST_LIST); } //LogUtils.LOGD(TAG, "Showing cast for: " + movie_tvshow_title); // Configure the grid castGridView.setEmptyView(emptyView); castGridView.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { // Get the name from the tag Utils.openImdbForPerson(AllCastActivity.this, (String) ((ViewHolder) view.getTag()).castName); } }); CastArrayAdapter arrayAdapter = new CastArrayAdapter(this, castArrayList); castGridView.setAdapter(arrayAdapter); setupActionBar(movie_tvshow_title); } @Override public void onResume() { super.onResume(); } @Override public void onPause() { super.onPause(); } @Override protected void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); outState.putString(EXTRA_TITLE, movie_tvshow_title); outState.putParcelableArrayList(EXTRA_CAST_LIST, castArrayList); } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case android.R.id.home: super.onBackPressed(); return true; default: break; } return super.onOptionsItemSelected(item); } private void setupActionBar(String title) { Toolbar toolbar = (Toolbar) findViewById(R.id.default_toolbar); setSupportActionBar(toolbar); ActionBar actionBar = getSupportActionBar(); if (actionBar == null) return; actionBar.setDisplayHomeAsUpEnabled(true); navigationDrawerFragment.setDrawerIndicatorEnabled(false); actionBar.setTitle((title != null) ? getResources().getString(R.string.cast) + " - " + title : getResources().getString(R.string.cast)); } public static class CastArrayAdapter extends ArrayAdapter<VideoType.Cast> { private HostManager hostManager; private int artWidth = -1, artHeight = -1; public CastArrayAdapter(Context context, ArrayList<VideoType.Cast> castArrayList) { super(context, 0, castArrayList); this.hostManager = HostManager.getInstance(context); } @Override public View getView(int position, View convertView, ViewGroup parent) { if (convertView == null) { convertView = LayoutInflater.from(getContext()).inflate(R.layout.grid_item_cast, parent, false); if (artWidth == -1) { Resources resources = getContext().getResources(); int imageMarginPx = resources.getDimensionPixelSize(R.dimen.small_padding); DisplayMetrics displayMetrics = new DisplayMetrics(); WindowManager windowManager = (WindowManager) getContext() .getSystemService(Context.WINDOW_SERVICE); windowManager.getDefaultDisplay().getMetrics(displayMetrics); int numColumns = resources.getInteger(R.integer.cast_grid_view_columns); artWidth = (displayMetrics.widthPixels - (2 + numColumns - 1) * imageMarginPx) / numColumns; artHeight = (int) (artWidth * 1.5); LogUtils.LOGD(TAG, "width: " + artWidth); } // Setup View holder pattern ViewHolder viewHolder = new ViewHolder(); viewHolder.roleView = (TextView) convertView.findViewById(R.id.role); viewHolder.nameView = (TextView) convertView.findViewById(R.id.name); viewHolder.pictureView = (ImageView) convertView.findViewById(R.id.picture); convertView.setTag(viewHolder); convertView.getLayoutParams().width = artWidth; convertView.getLayoutParams().height = artHeight; } final ViewHolder viewHolder = (ViewHolder) convertView.getTag(); VideoType.Cast cast = getItem(position); viewHolder.roleView.setText(cast.role); viewHolder.nameView.setText(cast.name); UIUtils.loadImageWithCharacterAvatar(getContext(), hostManager, cast.thumbnail, cast.name, viewHolder.pictureView, artWidth, artHeight); viewHolder.castName = cast.name; return convertView; } } /** * View holder pattern */ private static class ViewHolder { TextView roleView; TextView nameView; ImageView pictureView; String castName; } }