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 com.syncedsynapse.kore2.ui; import android.content.res.Resources; import android.content.res.TypedArray; import android.os.Bundle; import android.os.Handler; import android.support.v4.app.Fragment; import android.text.TextUtils; import android.util.DisplayMetrics; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.view.ViewTreeObserver; import android.widget.ImageButton; import android.widget.ImageView; import android.widget.ScrollView; import android.widget.TextView; import android.widget.Toast; import com.melnykov.fab.FloatingActionButton; import com.melnykov.fab.ObservableScrollView; import com.syncedsynapse.kore2.R; import com.syncedsynapse.kore2.host.HostInfo; import com.syncedsynapse.kore2.host.HostManager; import com.syncedsynapse.kore2.jsonrpc.ApiCallback; import com.syncedsynapse.kore2.jsonrpc.method.Addons; import com.syncedsynapse.kore2.jsonrpc.type.AddonType; import com.syncedsynapse.kore2.utils.LogUtils; import com.syncedsynapse.kore2.utils.UIUtils; import butterknife.ButterKnife; import butterknife.InjectView; import butterknife.OnClick; /** * Presents addon details */ public class AddonDetailsFragment extends Fragment { private static final String TAG = LogUtils.makeLogTag(AddonDetailsFragment.class); public static final String ADDONID = "addon_id"; private HostManager hostManager; private HostInfo hostInfo; /** * Handler on which to post RPC callbacks */ private Handler callbackHandler = new Handler(); // Displayed addon id private String addonId; // Buttons @InjectView(R.id.fab) ImageButton fabButton; @InjectView(R.id.enable_disable) ImageButton enabledButton; // Detail views @InjectView(R.id.media_panel) ScrollView mediaPanel; @InjectView(R.id.art) ImageView mediaArt; @InjectView(R.id.poster) ImageView mediaPoster; @InjectView(R.id.media_title) TextView mediaTitle; @InjectView(R.id.media_undertitle) TextView mediaUndertitle; @InjectView(R.id.author) TextView mediaAuthor; @InjectView(R.id.version) TextView mediaVersion; @InjectView(R.id.media_description) TextView mediaDescription; /** * Create a new instance of this, initialized to show the addon addonId */ public static AddonDetailsFragment newInstance(String addonId) { AddonDetailsFragment fragment = new AddonDetailsFragment(); Bundle args = new Bundle(); args.putString(ADDONID, addonId); fragment.setArguments(args); return fragment; } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { addonId = getArguments().getString(ADDONID, null); if ((container == null) || (addonId == null)) { // We're not being shown or there's nothing to show return null; } ViewGroup root = (ViewGroup) inflater.inflate(R.layout.fragment_addon_details, container, false); ButterKnife.inject(this, root); hostManager = HostManager.getInstance(getActivity()); hostInfo = hostManager.getHostInfo(); // Setup dim the fanart when scroll changes. Full dim on 4 * iconSize dp Resources resources = getActivity().getResources(); final int pixelsToTransparent = 4 * resources.getDimensionPixelSize(R.dimen.default_icon_size); mediaPanel.getViewTreeObserver().addOnScrollChangedListener(new ViewTreeObserver.OnScrollChangedListener() { @Override public void onScrollChanged() { float y = mediaPanel.getScrollY(); float newAlpha = Math.min(1, Math.max(0, 1 - (y / pixelsToTransparent))); mediaArt.setAlpha(newAlpha); } }); FloatingActionButton fab = (FloatingActionButton) fabButton; fab.attachToScrollView((ObservableScrollView) mediaPanel); // Pad main content view to overlap with bottom system bar // UIUtils.setPaddingForSystemBars(getActivity(), mediaPanel, false, false, true); // mediaPanel.setClipToPadding(false); return root; } @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); setHasOptionsMenu(false); // Get the addon details, this is done asyhnchronously String[] properties = new String[] { AddonType.Fields.NAME, AddonType.Fields.VERSION, AddonType.Fields.SUMMARY, AddonType.Fields.DESCRIPTION, AddonType.Fields.PATH, AddonType.Fields.AUTHOR, AddonType.Fields.THUMBNAIL, AddonType.Fields.DISCLAIMER, AddonType.Fields.FANART, //AddonType.Fields.DEPENDENCIES, AddonType.Fields.BROKEN, AddonType.Fields.EXTRAINFO, AddonType.Fields.RATING, AddonType.Fields.ENABLED }; Addons.GetAddonDetails action = new Addons.GetAddonDetails(addonId, properties); action.execute(hostManager.getConnection(), new ApiCallback<AddonType.Details>() { @Override public void onSucess(AddonType.Details result) { if (!isAdded()) return; displayAddonDetails(result); } @Override public void onError(int errorCode, String description) { if (!isAdded()) return; Toast.makeText(getActivity(), String.format(getString(R.string.error_getting_addon_info), description), Toast.LENGTH_SHORT).show(); } }, callbackHandler); } @Override public void onResume() { super.onResume(); } @Override public void onPause() { super.onPause(); } @Override public void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); // outState.putInt(ADDONID, addonId); } /** * Callbacks for button bar */ @OnClick(R.id.fab) public void onFabClicked(View v) { Addons.ExecuteAddon action = new Addons.ExecuteAddon(addonId); action.execute(hostManager.getConnection(), new ApiCallback<String>() { @Override public void onSucess(String result) { // Do nothing } @Override public void onError(int errorCode, String description) { if (!isAdded()) return; // Got an error, show toast Toast.makeText(getActivity(), R.string.unable_to_connect_to_xbmc, Toast.LENGTH_SHORT).show(); } }, callbackHandler); } @OnClick(R.id.enable_disable) public void onEnabledClicked(View v) { final Boolean isEnabled = (Boolean) v.getTag(); Addons.SetAddonEnabled action = new Addons.SetAddonEnabled(addonId, !isEnabled); action.execute(hostManager.getConnection(), new ApiCallback<String>() { @Override public void onSucess(String result) { if (!isAdded()) return; int messageResId = (!isEnabled) ? R.string.addon_enabled : R.string.addon_disabled; Toast.makeText(getActivity(), messageResId, Toast.LENGTH_SHORT).show(); setupEnableButton(!isEnabled); } @Override public void onError(int errorCode, String description) { if (!isAdded()) return; Toast.makeText(getActivity(), String.format(getString(R.string.general_error_executing_action), description), Toast.LENGTH_SHORT).show(); } }, callbackHandler); } /** * Display the addon details * * @param addonDetails Addon details */ private void displayAddonDetails(AddonType.Details addonDetails) { mediaTitle.setText(addonDetails.name); mediaUndertitle.setText(addonDetails.summary); mediaAuthor.setText(addonDetails.author); mediaVersion.setText(addonDetails.version); mediaDescription.setText(addonDetails.description); // Images Resources resources = getActivity().getResources(); DisplayMetrics displayMetrics = new DisplayMetrics(); getActivity().getWindowManager().getDefaultDisplay().getMetrics(displayMetrics); int artHeight = resources.getDimensionPixelOffset(R.dimen.now_playing_art_height), artWidth = displayMetrics.widthPixels; if (!TextUtils.isEmpty(addonDetails.fanart)) { int posterWidth = resources.getDimensionPixelOffset(R.dimen.addondetail_poster_width); int posterHeight = resources.getDimensionPixelOffset(R.dimen.addondetail_poster_heigth); mediaPoster.setVisibility(View.VISIBLE); UIUtils.loadImageIntoImageview(hostManager, addonDetails.thumbnail, mediaPoster, posterWidth, posterHeight); UIUtils.loadImageIntoImageview(hostManager, addonDetails.fanart, mediaArt, artWidth, artHeight); } else { // No fanart, just present the poster mediaPoster.setVisibility(View.GONE); UIUtils.loadImageIntoImageview(hostManager, addonDetails.thumbnail, mediaArt, artWidth, artHeight); // Reset padding int paddingLeft = mediaTitle.getPaddingRight(), paddingRight = mediaTitle.getPaddingRight(), paddingTop = mediaTitle.getPaddingTop(), paddingBottom = mediaTitle.getPaddingBottom(); mediaTitle.setPadding(paddingLeft, paddingTop, paddingRight, paddingBottom); mediaUndertitle.setPadding(paddingLeft, paddingTop, paddingRight, paddingBottom); } setupEnableButton(addonDetails.enabled); } private void setupEnableButton(boolean enabled) { // Enabled button if (enabled) { Resources.Theme theme = getActivity().getTheme(); TypedArray styledAttributes = theme.obtainStyledAttributes(new int[] { R.attr.colorAccent }); enabledButton.setColorFilter(styledAttributes.getColor(0, R.color.accent_default)); styledAttributes.recycle(); fabButton.setVisibility(View.VISIBLE); } else { enabledButton.clearColorFilter(); fabButton.setVisibility(View.GONE); } enabledButton.setTag(enabled); } }