277 lines
10 KiB
Java
277 lines
10 KiB
Java
package com.keylesspalace.tusky;
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import android.app.AlarmManager;
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import android.app.PendingIntent;
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import android.content.Context;
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import android.content.Intent;
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import android.os.Build;
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import android.preference.DialogPreference;
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import android.preference.PreferenceManager;
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import android.support.v7.app.AlertDialog;
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import android.util.AttributeSet;
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import android.util.Log;
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import android.view.View;
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import android.widget.ImageButton;
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import android.widget.ImageView;
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import android.widget.ProgressBar;
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import android.widget.RadioButton;
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import android.widget.TextView;
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import android.widget.Toast;
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import com.keylesspalace.tusky.util.EmojiCompatFont;
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import java.util.ArrayList;
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/**
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* This Preference lets the user select their preferred emoji font
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*/
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public class EmojiPreference extends DialogPreference {
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private static final String TAG = "EmojiPreference";
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private final Context context;
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private EmojiCompatFont selected, original;
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static final String FONT_PREFERENCE = "selected_emoji_font";
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private static final EmojiCompatFont[] FONTS = EmojiCompatFont.FONTS;
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// Please note that this array should be sorted in the same way as their fonts.
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private static final int[] viewIds = {
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R.id.item_nomoji,
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R.id.item_blobmoji,
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R.id.item_twemoji};
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private ArrayList<RadioButton> radioButtons = new ArrayList<>();
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public EmojiPreference(Context context, AttributeSet attrs) {
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super(context, attrs);
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this.context = context;
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setDialogLayoutResource(R.layout.dialog_emojicompat);
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setPositiveButtonText(android.R.string.ok);
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setNegativeButtonText(android.R.string.cancel);
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setDialogIcon(null);
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// Find out which font is currently active
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this.selected = EmojiCompatFont.byId(PreferenceManager
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.getDefaultSharedPreferences(context)
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.getInt(FONT_PREFERENCE, 0));
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// We'll use this later to determine if anything has changed
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this.original = this.selected;
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setSummary(selected.getDisplay(context));
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}
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@Override
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protected void onBindDialogView(View view) {
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super.onBindDialogView(view);
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for(int i = 0; i < viewIds.length; i++) {
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setupItem(view.findViewById(viewIds[i]), FONTS[i]);
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}
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}
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private void setupItem(View container, EmojiCompatFont font) {
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Context context = container.getContext();
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TextView title = container.findViewById(R.id.emojicompat_name);
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TextView caption = container.findViewById(R.id.emojicompat_caption);
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ImageView thumb = container.findViewById(R.id.emojicompat_thumb);
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ImageButton download = container.findViewById(R.id.emojicompat_download);
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ImageButton cancel = container.findViewById(R.id.emojicompat_download_cancel);
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RadioButton radio = container.findViewById(R.id.emojicompat_radio);
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// Initialize all the views
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title.setText(font.getDisplay(context));
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caption.setText(font.getCaption(context));
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thumb.setImageDrawable(font.getThumb(context));
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// There needs to be a list of all the radio buttons in order to uncheck them when one is selected
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radioButtons.add(radio);
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updateItem(font, container);
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// Set actions
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download.setOnClickListener((downloadButton) ->
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startDownload(font, container));
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cancel.setOnClickListener((cancelButton) ->
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cancelDownload(font, container));
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radio.setOnClickListener((radioButton) ->
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select(font, (RadioButton) radioButton));
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container.setOnClickListener((containterView) ->
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select(font,
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containterView.findViewById(R.id.emojicompat_radio
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)));
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}
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private void startDownload(EmojiCompatFont font, View container) {
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ImageButton download = container.findViewById(R.id.emojicompat_download);
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TextView caption = container.findViewById(R.id.emojicompat_caption);
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ProgressBar progressBar = container.findViewById(R.id.emojicompat_progress);
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ImageButton cancel = container.findViewById(R.id.emojicompat_download_cancel);
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// Switch to downloading style
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download.setVisibility(View.GONE);
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caption.setVisibility(View.INVISIBLE);
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progressBar.setVisibility(View.VISIBLE);
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cancel.setVisibility(View.VISIBLE);
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font.downloadFont(context, new EmojiCompatFont.Downloader.EmojiDownloadListener() {
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@Override
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public void onDownloaded(EmojiCompatFont font) {
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finishDownload(font, container);
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}
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@Override
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public void onProgress(float progress) {
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// The progress is returned as a float between 0 and 1
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progress *= progressBar.getMax();
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
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progressBar.setProgress((int) progress, true);
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}
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else {
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progressBar.setProgress((int) progress);
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}
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}
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@Override
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public void onFailed() {
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Toast.makeText(getContext(), R.string.download_failed, Toast.LENGTH_SHORT).show();
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updateItem(font, container);
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}
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});
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}
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private void cancelDownload(EmojiCompatFont font, View container) {
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font.cancelDownload();
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updateItem(font, container);
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}
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private void finishDownload(EmojiCompatFont font, View container) {
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select(font, container.findViewById(R.id.emojicompat_radio));
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updateItem(font, container);
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}
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/**
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* Select a font both visually and logically
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* @param font The font to be selected
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* @param radio The radio button associated with it's visual item
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*/
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private void select(EmojiCompatFont font, RadioButton radio) {
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selected = font;
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// Uncheck all the other buttons
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for(RadioButton other : radioButtons) {
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if(other != radio) {
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other.setChecked(false);
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}
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}
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radio.setChecked(true);
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}
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/**
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* Called when a "consistent" state is reached, i.e. it's not downloading the font
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* @param font The font to be displayed
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* @param container The ConstraintLayout containing the item
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*/
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private void updateItem(EmojiCompatFont font, View container) {
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// Assignments
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ImageButton download = container.findViewById(R.id.emojicompat_download);
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TextView caption = container.findViewById(R.id.emojicompat_caption);
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ProgressBar progress = container.findViewById(R.id.emojicompat_progress);
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ImageButton cancel = container.findViewById(R.id.emojicompat_download_cancel);
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RadioButton radio = container.findViewById(R.id.emojicompat_radio);
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// There's no download going on
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progress.setVisibility(View.GONE);
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cancel.setVisibility(View.GONE);
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caption.setVisibility(View.VISIBLE);
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if(font.isDownloaded(context)) {
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// Make it selectable
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download.setVisibility(View.GONE);
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radio.setVisibility(View.VISIBLE);
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container.setClickable(true);
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}
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else {
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// Make it downloadable
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download.setVisibility(View.VISIBLE);
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radio.setVisibility(View.GONE);
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container.setClickable(false);
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}
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// Select it if necessary
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if(font == selected) {
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radio.setChecked(true);
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}
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else {
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radio.setChecked(false);
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}
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}
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/**
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* In order to be able to use this font later on, it needs to be saved first.
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*/
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private void saveSelectedFont() {
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int index = selected.getId();
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Log.i(TAG, "saveSelectedFont: Font ID: " + index);
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// It's saved using the key FONT_PREFERENCE
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PreferenceManager
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.getDefaultSharedPreferences(context)
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.edit()
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.putInt(FONT_PREFERENCE, index)
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.apply();
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setSummary(selected.getDisplay(getContext()));
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}
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/**
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* That's it. The user doesn't want to switch between these amazing radio buttons anymore!
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* That means, the selected font can be saved (if the user hit OK)
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* @param positiveResult if OK has been selected.
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*/
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@Override
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public void onDialogClosed(boolean positiveResult) {
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if(positiveResult) {
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saveSelectedFont();
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if(selected != original) {
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new AlertDialog.Builder(context)
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.setTitle(R.string.restart_required)
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.setMessage(R.string.restart_emoji)
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.setNegativeButton(R.string.later, null)
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.setPositiveButton(R.string.restart, ((dialog, which) -> {
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// Restart the app
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// From https://stackoverflow.com/a/17166729/5070653
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Intent launchIntent = new Intent(context, MainActivity.class);
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PendingIntent mPendingIntent = PendingIntent.getActivity(
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context,
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// This is the codepoint of the party face emoji :D
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0x1f973,
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launchIntent,
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PendingIntent.FLAG_CANCEL_CURRENT);
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AlarmManager mgr =
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(AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
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if (mgr != null) {
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mgr.set(
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AlarmManager.RTC,
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System.currentTimeMillis() + 100,
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mPendingIntent);
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}
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System.exit(0);
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})).show();
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}
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}
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else {
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// This line is needed in order to reset the radio buttons later
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selected = original;
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}
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}
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}
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