Inline emoji library
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6 changed files with 17032 additions and 4 deletions
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@ -91,7 +91,4 @@ dependencies {
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// LiveData
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implementation "androidx.lifecycle:lifecycle-livedata-ktx:$rootProject.liveDataVersion"
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implementation 'androidx.legacy:legacy-support-v4:1.0.0'
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// Emojis (tags and such)
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implementation 'com.vdurmont:emoji-java:5.1.1'
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}
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87
app/src/main/java/io/heckel/ntfy/emoji/Emoji.java
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87
app/src/main/java/io/heckel/ntfy/emoji/Emoji.java
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package io.heckel.ntfy.emoji;
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import java.io.UnsupportedEncodingException;
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import java.util.Collections;
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import java.util.List;
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/**
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* This class represents an emoji.<br>
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* <br>
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* This object is immutable so it can be used safely in a multithreaded context.
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*
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* @author Vincent DURMONT [vdurmont@gmail.com]
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*/
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public class Emoji {
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private final List<String> aliases;
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private final String unicode;
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/**
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* Constructor for the Emoji.
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*
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* @param aliases the aliases for this emoji
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* @param bytes the bytes that represent the emoji
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*/
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protected Emoji(
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List<String> aliases,
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byte... bytes
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) {
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this.aliases = Collections.unmodifiableList(aliases);
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int count = 0;
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try {
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this.unicode = new String(bytes, "UTF-8");
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int stringLength = getUnicode().length();
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String[] pointCodes = new String[stringLength];
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String[] pointCodesHex = new String[stringLength];
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for (int offset = 0; offset < stringLength; ) {
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final int codePoint = getUnicode().codePointAt(offset);
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pointCodes[count] = String.format("&#%d;", codePoint);
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pointCodesHex[count++] = String.format("&#x%x;", codePoint);
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offset += Character.charCount(codePoint);
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}
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} catch (UnsupportedEncodingException e) {
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throw new RuntimeException(e);
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}
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}
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/**
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* Returns the aliases of the emoji
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*
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* @return the aliases (unmodifiable)
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*/
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public List<String> getAliases() {
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return this.aliases;
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}
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/**
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* Returns the unicode representation of the emoji
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*
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* @return the unicode representation
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*/
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public String getUnicode() {
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return this.unicode;
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}
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@Override
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public boolean equals(Object other) {
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return !(other == null || !(other instanceof Emoji)) &&
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((Emoji) other).getUnicode().equals(getUnicode());
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}
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@Override
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public int hashCode() {
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return unicode.hashCode();
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}
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/**
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* Returns the String representation of the Emoji object.
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* @return the string representation
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*/
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@Override
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public String toString() {
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return "Emoji{aliases=" + aliases + ", unicode='" + unicode + "'}";
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}
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}
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77
app/src/main/java/io/heckel/ntfy/emoji/EmojiLoader.java
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77
app/src/main/java/io/heckel/ntfy/emoji/EmojiLoader.java
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package io.heckel.ntfy.emoji;
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import org.json.JSONArray;
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import org.json.JSONException;
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import org.json.JSONObject;
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import java.io.*;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* Loads the emojis from a JSON database.
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*
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* @author Vincent DURMONT [vdurmont@gmail.com]
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*/
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public class EmojiLoader {
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/**
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* No need for a constructor, all the methods are static.
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*/
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private EmojiLoader() {}
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/**
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* Loads a JSONArray of emojis from an InputStream, parses it and returns the
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* associated list of {@link Emoji}s
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*
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* @param stream the stream of the JSONArray
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*
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* @return the list of {@link Emoji}s
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* @throws IOException if an error occurs while reading the stream or parsing
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* the JSONArray
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*/
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public static List<Emoji> loadEmojis(InputStream stream) throws IOException, JSONException {
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JSONArray emojisJSON = new JSONArray(inputStreamToString(stream));
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List<Emoji> emojis = new ArrayList<Emoji>(emojisJSON.length());
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for (int i = 0; i < emojisJSON.length(); i++) {
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Emoji emoji = buildEmojiFromJSON(emojisJSON.getJSONObject(i));
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if (emoji != null) {
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emojis.add(emoji);
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}
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}
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return emojis;
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}
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private static String inputStreamToString(
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InputStream stream
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) throws IOException {
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StringBuilder sb = new StringBuilder();
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InputStreamReader isr = new InputStreamReader(stream, "UTF-8");
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BufferedReader br = new BufferedReader(isr);
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String read;
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while((read = br.readLine()) != null) {
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sb.append(read);
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}
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br.close();
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return sb.toString();
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}
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protected static Emoji buildEmojiFromJSON(
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JSONObject json
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) throws UnsupportedEncodingException, JSONException {
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if (!json.has("emoji")) {
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return null;
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}
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byte[] bytes = json.getString("emoji").getBytes("UTF-8");
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List<String> aliases = jsonArrayToStringList(json.getJSONArray("aliases"));
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return new Emoji(aliases, bytes);
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}
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private static List<String> jsonArrayToStringList(JSONArray array) throws JSONException {
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List<String> strings = new ArrayList<String>(array.length());
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for (int i = 0; i < array.length(); i++) {
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strings.add(array.getString(i));
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}
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return strings;
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}
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}
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61
app/src/main/java/io/heckel/ntfy/emoji/EmojiManager.java
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61
app/src/main/java/io/heckel/ntfy/emoji/EmojiManager.java
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package io.heckel.ntfy.emoji;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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/**
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* Holds the loaded emojis and provides search functions.
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*
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* @author Vincent DURMONT [vdurmont@gmail.com]
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*/
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public class EmojiManager {
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private static final String PATH = "/emojis.json";
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private static final Map<String, Emoji> EMOJIS_BY_ALIAS =
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new HashMap<String, Emoji>();
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static {
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try {
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InputStream stream = EmojiLoader.class.getResourceAsStream(PATH);
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List<Emoji> emojis = EmojiLoader.loadEmojis(stream);
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for (Emoji emoji : emojis) {
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for (String alias : emoji.getAliases()) {
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EMOJIS_BY_ALIAS.put(alias, emoji);
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}
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}
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stream.close();
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} catch (Exception e) {
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throw new RuntimeException(e);
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}
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}
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/**
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* No need for a constructor, all the methods are static.
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*/
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private EmojiManager() {}
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/**
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* Returns the {@link Emoji} for a given alias.
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*
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* @param alias the alias
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*
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* @return the associated {@link Emoji}, null if the alias
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* is unknown
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*/
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public static Emoji getForAlias(String alias) {
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if (alias == null || alias.isEmpty()) {
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return null;
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}
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return EMOJIS_BY_ALIAS.get(trimAlias(alias));
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}
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private static String trimAlias(String alias) {
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int len = alias.length();
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return alias.substring(
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alias.charAt(0) == ':' ? 1 : 0,
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alias.charAt(len - 1) == ':' ? len - 1 : len);
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}
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}
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@ -3,9 +3,9 @@ package io.heckel.ntfy.util
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import android.animation.ArgbEvaluator
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import android.animation.ValueAnimator
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import android.view.Window
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import com.vdurmont.emoji.EmojiManager
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import io.heckel.ntfy.data.Notification
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import io.heckel.ntfy.data.Subscription
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import io.heckel.ntfy.emoji.EmojiManager
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import java.text.DateFormat
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import java.util.*
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16806
app/src/main/resources/emojis.json
Normal file
16806
app/src/main/resources/emojis.json
Normal file
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