mastodon-app-ufficiale-android/mastodon/src/main/java/org/joinmastodon/android/ui/utils/UiUtils.java

707 lines
26 KiB
Java

package org.joinmastodon.android.ui.utils;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.ActivityNotFoundException;
import android.content.Context;
import android.content.Intent;
import android.content.res.ColorStateList;
import android.content.res.Configuration;
import android.content.res.TypedArray;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Typeface;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.InsetDrawable;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.os.SystemClock;
import android.os.ext.SdkExtensions;
import android.provider.MediaStore;
import android.provider.OpenableColumns;
import android.text.SpannableStringBuilder;
import android.text.Spanned;
import android.text.TextUtils;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.webkit.MimeTypeMap;
import android.widget.Button;
import android.widget.PopupMenu;
import android.widget.TextView;
import android.widget.Toast;
import org.joinmastodon.android.E;
import org.joinmastodon.android.GlobalUserPreferences;
import org.joinmastodon.android.MastodonApp;
import org.joinmastodon.android.R;
import org.joinmastodon.android.api.requests.accounts.SetAccountBlocked;
import org.joinmastodon.android.api.requests.accounts.SetAccountFollowed;
import org.joinmastodon.android.api.requests.accounts.SetAccountMuted;
import org.joinmastodon.android.api.requests.accounts.SetDomainBlocked;
import org.joinmastodon.android.api.requests.statuses.DeleteStatus;
import org.joinmastodon.android.api.requests.statuses.GetStatusByID;
import org.joinmastodon.android.api.session.AccountSessionManager;
import org.joinmastodon.android.events.RemoveAccountPostsEvent;
import org.joinmastodon.android.events.StatusDeletedEvent;
import org.joinmastodon.android.fragments.HashtagTimelineFragment;
import org.joinmastodon.android.fragments.ProfileFragment;
import org.joinmastodon.android.fragments.ThreadFragment;
import org.joinmastodon.android.model.Account;
import org.joinmastodon.android.model.Emoji;
import org.joinmastodon.android.model.Relationship;
import org.joinmastodon.android.model.Status;
import org.joinmastodon.android.ui.M3AlertDialogBuilder;
import org.joinmastodon.android.ui.text.CustomEmojiSpan;
import org.joinmastodon.android.ui.text.SpacerSpan;
import org.parceler.Parcels;
import java.io.File;
import java.lang.reflect.Method;
import java.time.Instant;
import java.time.ZoneId;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
import java.time.format.FormatStyle;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.function.BiPredicate;
import java.util.function.Consumer;
import java.util.stream.Collectors;
import androidx.annotation.AttrRes;
import androidx.annotation.StringRes;
import androidx.browser.customtabs.CustomTabsIntent;
import androidx.recyclerview.widget.DiffUtil;
import androidx.recyclerview.widget.RecyclerView;
import me.grishka.appkit.Nav;
import me.grishka.appkit.api.Callback;
import me.grishka.appkit.api.ErrorResponse;
import me.grishka.appkit.imageloader.ViewImageLoader;
import me.grishka.appkit.imageloader.requests.UrlImageLoaderRequest;
import me.grishka.appkit.utils.V;
import okhttp3.MediaType;
public class UiUtils{
private static Handler mainHandler=new Handler(Looper.getMainLooper());
private static final DateTimeFormatter DATE_FORMATTER_SHORT_WITH_YEAR=DateTimeFormatter.ofPattern("d MMM uuuu"), DATE_FORMATTER_SHORT=DateTimeFormatter.ofPattern("d MMM");
public static final DateTimeFormatter DATE_TIME_FORMATTER=DateTimeFormatter.ofLocalizedDateTime(FormatStyle.LONG, FormatStyle.SHORT);
private UiUtils(){}
public static void launchWebBrowser(Context context, String url){
try{
if(GlobalUserPreferences.useCustomTabs){
new CustomTabsIntent.Builder()
.setShowTitle(true)
.build()
.launchUrl(context, Uri.parse(url));
}else{
context.startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(url)));
}
}catch(ActivityNotFoundException x){
Toast.makeText(context, R.string.no_app_to_handle_action, Toast.LENGTH_SHORT).show();
}
}
public static String formatRelativeTimestamp(Context context, Instant instant){
long t=instant.toEpochMilli();
long now=System.currentTimeMillis();
long diff=now-t;
if(diff<1000L){
return context.getString(R.string.time_now);
}else if(diff<60_000L){
return context.getString(R.string.time_seconds, diff/1000L);
}else if(diff<3600_000L){
return context.getString(R.string.time_minutes, diff/60_000L);
}else if(diff<3600_000L*24L){
return context.getString(R.string.time_hours, diff/3600_000L);
}else{
int days=(int)(diff/(3600_000L*24L));
if(days>30){
ZonedDateTime dt=instant.atZone(ZoneId.systemDefault());
if(dt.getYear()==ZonedDateTime.now().getYear()){
return DATE_FORMATTER_SHORT.format(dt);
}else{
return DATE_FORMATTER_SHORT_WITH_YEAR.format(dt);
}
}
return context.getString(R.string.time_days, days);
}
}
public static String formatRelativeTimestampAsMinutesAgo(Context context, Instant instant){
long t=instant.toEpochMilli();
long now=System.currentTimeMillis();
long diff=now-t;
if(diff<1000L){
return context.getString(R.string.time_just_now);
}else if(diff<60_000L){
int secs=(int)(diff/1000L);
return context.getResources().getQuantityString(R.plurals.x_seconds_ago, secs, secs);
}else if(diff<3600_000L){
int mins=(int)(diff/60_000L);
return context.getResources().getQuantityString(R.plurals.x_minutes_ago, mins, mins);
}else{
return DATE_TIME_FORMATTER.format(instant.atZone(ZoneId.systemDefault()));
}
}
public static String formatTimeLeft(Context context, Instant instant){
long t=instant.toEpochMilli();
long now=System.currentTimeMillis();
long diff=t-now;
if(diff<60_000L){
int secs=(int)(diff/1000L);
return context.getResources().getQuantityString(R.plurals.x_seconds_left, secs, secs);
}else if(diff<3600_000L){
int mins=(int)(diff/60_000L);
return context.getResources().getQuantityString(R.plurals.x_minutes_left, mins, mins);
}else if(diff<3600_000L*24L){
int hours=(int)(diff/3600_000L);
return context.getResources().getQuantityString(R.plurals.x_hours_left, hours, hours);
}else{
int days=(int)(diff/(3600_000L*24L));
return context.getResources().getQuantityString(R.plurals.x_days_left, days, days);
}
}
@SuppressLint("DefaultLocale")
public static String abbreviateNumber(int n){
if(n<1000){
return String.format("%,d", n);
}else if(n<1_000_000){
float a=n/1000f;
return a>99f ? String.format("%,dK", (int)Math.floor(a)) : String.format("%,.1fK", a);
}else{
float a=n/1_000_000f;
return a>99f ? String.format("%,dM", (int)Math.floor(a)) : String.format("%,.1fM", n/1_000_000f);
}
}
@SuppressLint("DefaultLocale")
public static String abbreviateNumber(long n){
if(n<1_000_000_000L)
return abbreviateNumber((int)n);
double a=n/1_000_000_000.0;
return a>99f ? String.format("%,dB", (int)Math.floor(a)) : String.format("%,.1fB", n/1_000_000_000.0);
}
/**
* Android 6.0 has a bug where start and end compound drawables don't get tinted.
* This works around it by setting the tint colors directly to the drawables.
* @param textView
*/
public static void fixCompoundDrawableTintOnAndroid6(TextView textView){
Drawable[] drawables=textView.getCompoundDrawablesRelative();
for(int i=0;i<drawables.length;i++){
if(drawables[i]!=null){
Drawable tinted=drawables[i].mutate();
tinted.setTintList(textView.getTextColors());
drawables[i]=tinted;
}
}
textView.setCompoundDrawablesRelative(drawables[0], drawables[1], drawables[2], drawables[3]);
}
public static void runOnUiThread(Runnable runnable){
mainHandler.post(runnable);
}
public static void runOnUiThread(Runnable runnable, long delay){
mainHandler.postDelayed(runnable, delay);
}
public static void removeCallbacks(Runnable runnable){
mainHandler.removeCallbacks(runnable);
}
/** Linear interpolation between {@code startValue} and {@code endValue} by {@code fraction}. */
public static int lerp(int startValue, int endValue, float fraction) {
return startValue + Math.round(fraction * (endValue - startValue));
}
public static String getFileName(Uri uri){
if(uri.getScheme().equals("content")){
try(Cursor cursor=MastodonApp.context.getContentResolver().query(uri, new String[]{OpenableColumns.DISPLAY_NAME}, null, null, null)){
cursor.moveToFirst();
String name=cursor.getString(0);
if(name!=null)
return name;
}catch(Throwable ignore){}
}
return uri.getLastPathSegment();
}
public static String formatFileSize(Context context, long size, boolean atLeastKB){
if(size<1024 && !atLeastKB){
return context.getString(R.string.file_size_bytes, size);
}else if(size<1024*1024){
return context.getString(R.string.file_size_kb, size/1024.0);
}else if(size<1024*1024*1024){
return context.getString(R.string.file_size_mb, size/(1024.0*1024.0));
}else{
return context.getString(R.string.file_size_gb, size/(1024.0*1024.0*1024.0));
}
}
public static MediaType getFileMediaType(File file){
String name=file.getName();
return MediaType.parse(MimeTypeMap.getSingleton().getMimeTypeFromExtension(name.substring(name.lastIndexOf('.')+1)));
}
public static void loadCustomEmojiInTextView(TextView view){
CharSequence _text=view.getText();
if(!(_text instanceof Spanned))
return;
Spanned text=(Spanned)_text;
CustomEmojiSpan[] spans=text.getSpans(0, text.length(), CustomEmojiSpan.class);
if(spans.length==0)
return;
int emojiSize=V.dp(20);
Map<Emoji, List<CustomEmojiSpan>> spansByEmoji=Arrays.stream(spans).collect(Collectors.groupingBy(s->s.emoji));
for(Map.Entry<Emoji, List<CustomEmojiSpan>> emoji:spansByEmoji.entrySet()){
ViewImageLoader.load(new ViewImageLoader.Target(){
@Override
public void setImageDrawable(Drawable d){
if(d==null)
return;
for(CustomEmojiSpan span:emoji.getValue()){
span.setDrawable(d);
}
view.invalidate();
}
@Override
public View getView(){
return view;
}
}, null, new UrlImageLoaderRequest(emoji.getKey().url, emojiSize, emojiSize), null, false, true);
}
}
public static int getThemeColor(Context context, @AttrRes int attr){
TypedArray ta=context.obtainStyledAttributes(new int[]{attr});
int color=ta.getColor(0, 0xff00ff00);
ta.recycle();
return color;
}
public static void openProfileByID(Context context, String selfID, String id){
Bundle args=new Bundle();
args.putString("account", selfID);
args.putString("profileAccountID", id);
Nav.go((Activity)context, ProfileFragment.class, args);
}
public static void openHashtagTimeline(Context context, String accountID, String hashtag){
Bundle args=new Bundle();
args.putString("account", accountID);
args.putString("hashtag", hashtag);
Nav.go((Activity)context, HashtagTimelineFragment.class, args);
}
public static void showConfirmationAlert(Context context, @StringRes int title, @StringRes int message, @StringRes int confirmButton, Runnable onConfirmed){
showConfirmationAlert(context, context.getString(title), context.getString(message), context.getString(confirmButton), onConfirmed);
}
public static void showConfirmationAlert(Context context, CharSequence title, CharSequence message, CharSequence confirmButton, Runnable onConfirmed){
new M3AlertDialogBuilder(context)
.setTitle(title)
.setMessage(message)
.setPositiveButton(confirmButton, (dlg, i)->onConfirmed.run())
.setNegativeButton(R.string.cancel, null)
.show();
}
public static void confirmToggleBlockUser(Activity activity, String accountID, Account account, boolean currentlyBlocked, Consumer<Relationship> resultCallback){
showConfirmationAlert(activity, activity.getString(currentlyBlocked ? R.string.confirm_unblock_title : R.string.confirm_block_title),
activity.getString(currentlyBlocked ? R.string.confirm_unblock : R.string.confirm_block, account.displayName),
activity.getString(currentlyBlocked ? R.string.do_unblock : R.string.do_block), ()->{
new SetAccountBlocked(account.id, !currentlyBlocked)
.setCallback(new Callback<>(){
@Override
public void onSuccess(Relationship result){
resultCallback.accept(result);
if(!currentlyBlocked){
E.post(new RemoveAccountPostsEvent(accountID, account.id, false));
}
}
@Override
public void onError(ErrorResponse error){
error.showToast(activity);
}
})
.wrapProgress(activity, R.string.loading, false)
.exec(accountID);
});
}
public static void confirmToggleBlockDomain(Activity activity, String accountID, String domain, boolean currentlyBlocked, Runnable resultCallback){
showConfirmationAlert(activity, activity.getString(currentlyBlocked ? R.string.confirm_unblock_domain_title : R.string.confirm_block_domain_title),
activity.getString(currentlyBlocked ? R.string.confirm_unblock : R.string.confirm_block, domain),
activity.getString(currentlyBlocked ? R.string.do_unblock : R.string.do_block), ()->{
new SetDomainBlocked(domain, !currentlyBlocked)
.setCallback(new Callback<>(){
@Override
public void onSuccess(Object result){
resultCallback.run();
}
@Override
public void onError(ErrorResponse error){
error.showToast(activity);
}
})
.wrapProgress(activity, R.string.loading, false)
.exec(accountID);
});
}
public static void confirmToggleMuteUser(Activity activity, String accountID, Account account, boolean currentlyMuted, Consumer<Relationship> resultCallback){
showConfirmationAlert(activity, activity.getString(currentlyMuted ? R.string.confirm_unmute_title : R.string.confirm_mute_title),
activity.getString(currentlyMuted ? R.string.confirm_unmute : R.string.confirm_mute, account.displayName),
activity.getString(currentlyMuted ? R.string.do_unmute : R.string.do_mute), ()->{
new SetAccountMuted(account.id, !currentlyMuted)
.setCallback(new Callback<>(){
@Override
public void onSuccess(Relationship result){
resultCallback.accept(result);
if(!currentlyMuted){
E.post(new RemoveAccountPostsEvent(accountID, account.id, false));
}
}
@Override
public void onError(ErrorResponse error){
error.showToast(activity);
}
})
.wrapProgress(activity, R.string.loading, false)
.exec(accountID);
});
}
public static void confirmDeletePost(Activity activity, String accountID, Status status, Consumer<Status> resultCallback){
showConfirmationAlert(activity, R.string.confirm_delete_title, R.string.confirm_delete, R.string.delete, ()->{
new DeleteStatus(status.id)
.setCallback(new Callback<>(){
@Override
public void onSuccess(Status result){
resultCallback.accept(result);
AccountSessionManager.getInstance().getAccount(accountID).getCacheController().deleteStatus(status.id);
E.post(new StatusDeletedEvent(status.id, accountID));
}
@Override
public void onError(ErrorResponse error){
error.showToast(activity);
}
})
.wrapProgress(activity, R.string.deleting, false)
.exec(accountID);
});
}
public static void setRelationshipToActionButton(Relationship relationship, Button button){
boolean secondaryStyle;
if(relationship.blocking){
button.setText(R.string.button_blocked);
secondaryStyle=true;
}else if(relationship.blockedBy){
button.setText(R.string.button_follow);
secondaryStyle=false;
}else if(relationship.requested){
button.setText(R.string.button_follow_pending);
secondaryStyle=true;
}else if(!relationship.following){
button.setText(relationship.followedBy ? R.string.follow_back : R.string.button_follow);
secondaryStyle=false;
}else{
button.setText(R.string.button_following);
secondaryStyle=true;
}
button.setEnabled(!relationship.blockedBy);
int attr=secondaryStyle ? R.attr.secondaryButtonStyle : android.R.attr.buttonStyle;
TypedArray ta=button.getContext().obtainStyledAttributes(new int[]{attr});
int styleRes=ta.getResourceId(0, 0);
ta.recycle();
ta=button.getContext().obtainStyledAttributes(styleRes, new int[]{android.R.attr.background});
button.setBackground(ta.getDrawable(0));
ta.recycle();
ta=button.getContext().obtainStyledAttributes(styleRes, new int[]{android.R.attr.textColor});
if(relationship.blocking)
button.setTextColor(button.getResources().getColorStateList(R.color.error_600));
else
button.setTextColor(ta.getColorStateList(0));
ta.recycle();
}
public static void setRelationshipToActionButtonM3(Relationship relationship, Button button){
boolean secondaryStyle;
if(relationship.blocking){
button.setText(R.string.button_blocked);
secondaryStyle=true;
}else if(relationship.blockedBy){
button.setText(R.string.button_follow);
secondaryStyle=false;
}else if(relationship.requested){
button.setText(R.string.button_follow_pending);
secondaryStyle=true;
}else if(!relationship.following){
button.setText(relationship.followedBy ? R.string.follow_back : R.string.button_follow);
secondaryStyle=false;
}else{
button.setText(R.string.button_following);
secondaryStyle=true;
}
button.setEnabled(!relationship.blockedBy);
int styleRes=secondaryStyle ? R.style.Widget_Mastodon_M3_Button_Tonal : R.style.Widget_Mastodon_M3_Button_Filled;
TypedArray ta=button.getContext().obtainStyledAttributes(styleRes, new int[]{android.R.attr.background});
button.setBackground(ta.getDrawable(0));
ta.recycle();
ta=button.getContext().obtainStyledAttributes(styleRes, new int[]{android.R.attr.textColor});
if(relationship.blocking)
button.setTextColor(button.getResources().getColorStateList(R.color.error_600));
else
button.setTextColor(ta.getColorStateList(0));
ta.recycle();
}
public static void performAccountAction(Activity activity, Account account, String accountID, Relationship relationship, Button button, Consumer<Boolean> progressCallback, Consumer<Relationship> resultCallback){
if(relationship.blocking){
confirmToggleBlockUser(activity, accountID, account, true, resultCallback);
}else if(relationship.muting){
confirmToggleMuteUser(activity, accountID, account, true, resultCallback);
}else{
progressCallback.accept(true);
new SetAccountFollowed(account.id, !relationship.following && !relationship.requested, true)
.setCallback(new Callback<>(){
@Override
public void onSuccess(Relationship result){
resultCallback.accept(result);
progressCallback.accept(false);
if(!result.following){
E.post(new RemoveAccountPostsEvent(accountID, account.id, true));
}
}
@Override
public void onError(ErrorResponse error){
error.showToast(activity);
progressCallback.accept(false);
}
})
.exec(accountID);
}
}
public static <T> void updateList(List<T> oldList, List<T> newList, RecyclerView list, RecyclerView.Adapter<?> adapter, BiPredicate<T, T> areItemsSame){
// Save topmost item position and offset because for some reason RecyclerView would scroll the list to weird places when you insert items at the top
int topItem, topItemOffset;
if(list.getChildCount()==0){
topItem=topItemOffset=0;
}else{
View child=list.getChildAt(0);
topItem=list.getChildAdapterPosition(child);
topItemOffset=child.getTop();
}
DiffUtil.calculateDiff(new DiffUtil.Callback(){
@Override
public int getOldListSize(){
return oldList.size();
}
@Override
public int getNewListSize(){
return newList.size();
}
@Override
public boolean areItemsTheSame(int oldItemPosition, int newItemPosition){
return areItemsSame.test(oldList.get(oldItemPosition), newList.get(newItemPosition));
}
@Override
public boolean areContentsTheSame(int oldItemPosition, int newItemPosition){
return true;
}
}).dispatchUpdatesTo(adapter);
list.scrollToPosition(topItem);
list.scrollBy(0, topItemOffset);
}
public static Bitmap getBitmapFromDrawable(Drawable d){
if(d instanceof BitmapDrawable)
return ((BitmapDrawable) d).getBitmap();
Bitmap bitmap=Bitmap.createBitmap(d.getIntrinsicWidth(), d.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
d.setBounds(0, 0, d.getIntrinsicWidth(), d.getIntrinsicHeight());
d.draw(new Canvas(bitmap));
return bitmap;
}
public static void enablePopupMenuIcons(Context context, PopupMenu menu){
Menu m=menu.getMenu();
if(Build.VERSION.SDK_INT>=29){
menu.setForceShowIcon(true);
}else{
try{
Method setOptionalIconsVisible=m.getClass().getDeclaredMethod("setOptionalIconsVisible", boolean.class);
setOptionalIconsVisible.setAccessible(true);
setOptionalIconsVisible.invoke(m, true);
}catch(Exception ignore){}
}
ColorStateList iconTint=ColorStateList.valueOf(UiUtils.getThemeColor(context, android.R.attr.textColorSecondary));
for(int i=0;i<m.size();i++){
MenuItem item=m.getItem(i);
Drawable icon=item.getIcon().mutate();
if(Build.VERSION.SDK_INT>=26){
item.setIconTintList(iconTint);
}else{
icon.setTintList(iconTint);
}
icon=new InsetDrawable(icon, V.dp(8), 0, 0, 0);
item.setIcon(icon);
SpannableStringBuilder ssb=new SpannableStringBuilder(item.getTitle());
ssb.insert(0, " ");
ssb.setSpan(new SpacerSpan(V.dp(24), 1), 0, 1, 0);
ssb.append(" ", new SpacerSpan(V.dp(8), 1), 0);
item.setTitle(ssb);
}
}
public static void setUserPreferredTheme(Context context){
context.setTheme(switch(GlobalUserPreferences.theme){
case AUTO -> GlobalUserPreferences.trueBlackTheme ? R.style.Theme_Mastodon_AutoLightDark_TrueBlack : R.style.Theme_Mastodon_AutoLightDark;
case LIGHT -> R.style.Theme_Mastodon_Light;
case DARK -> GlobalUserPreferences.trueBlackTheme ? R.style.Theme_Mastodon_Dark_TrueBlack : R.style.Theme_Mastodon_Dark;
});
}
public static boolean isDarkTheme(){
if(GlobalUserPreferences.theme==GlobalUserPreferences.ThemePreference.AUTO)
return (MastodonApp.context.getResources().getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK)==Configuration.UI_MODE_NIGHT_YES;
return GlobalUserPreferences.theme==GlobalUserPreferences.ThemePreference.DARK;
}
public static void openURL(Context context, String accountID, String url){
Uri uri=Uri.parse(url);
if(accountID!=null && "https".equals(uri.getScheme()) && AccountSessionManager.getInstance().getAccount(accountID).domain.equalsIgnoreCase(uri.getAuthority())){
List<String> path=uri.getPathSegments();
// Match URLs like https://mastodon.social/@Gargron/108132679274083591
if(path.size()==2 && path.get(0).matches("^@[a-zA-Z0-9_]+$") && path.get(1).matches("^[0-9]+$")){
new GetStatusByID(path.get(1))
.setCallback(new Callback<>(){
@Override
public void onSuccess(Status result){
Bundle args=new Bundle();
args.putString("account", accountID);
args.putParcelable("status", Parcels.wrap(result));
Nav.go((Activity) context, ThreadFragment.class, args);
}
@Override
public void onError(ErrorResponse error){
error.showToast(context);
launchWebBrowser(context, url);
}
})
.wrapProgress((Activity)context, R.string.loading, true)
.exec(accountID);
return;
}
}
launchWebBrowser(context, url);
}
private static String getSystemProperty(String key){
try{
Class<?> props=Class.forName("android.os.SystemProperties");
Method get=props.getMethod("get", String.class);
return (String)get.invoke(null, key);
}catch(Exception ignore){}
return null;
}
public static boolean isMIUI(){
return !TextUtils.isEmpty(getSystemProperty("ro.miui.ui.version.code"));
}
public static int alphaBlendColors(int color1, int color2, float alpha){
float alpha0=1f-alpha;
int r=Math.round(((color1 >> 16) & 0xFF)*alpha0+((color2 >> 16) & 0xFF)*alpha);
int g=Math.round(((color1 >> 8) & 0xFF)*alpha0+((color2 >> 8) & 0xFF)*alpha);
int b=Math.round((color1 & 0xFF)*alpha0+(color2 & 0xFF)*alpha);
return 0xFF000000 | (r << 16) | (g << 8) | b;
}
/**
* Check to see if Android platform photopicker is available on the device\
*
* @return whether the device supports photopicker intents.
*/
@SuppressLint("NewApi")
public static boolean isPhotoPickerAvailable(){
if(Build.VERSION.SDK_INT>=Build.VERSION_CODES.TIRAMISU){
return true;
}else if(Build.VERSION.SDK_INT>=Build.VERSION_CODES.R){
return SdkExtensions.getExtensionVersion(Build.VERSION_CODES.R)>=2;
}else
return false;
}
@SuppressLint("InlinedApi")
public static Intent getMediaPickerIntent(String[] mimeTypes, int maxCount){
Intent intent;
if(isPhotoPickerAvailable()){
intent=new Intent(MediaStore.ACTION_PICK_IMAGES);
if(maxCount>1)
intent.putExtra(MediaStore.EXTRA_PICK_IMAGES_MAX, maxCount);
}else{
intent=new Intent(Intent.ACTION_GET_CONTENT);
intent.addCategory(Intent.CATEGORY_OPENABLE);
}
if(mimeTypes.length>1){
intent.setType("*/*");
intent.putExtra(Intent.EXTRA_MIME_TYPES, mimeTypes);
}else if(mimeTypes.length==1){
intent.setType(mimeTypes[0]);
}else{
intent.setType("*/*");
}
if(maxCount>1)
intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
return intent;
}
/**
* Wraps a View.OnClickListener to filter multiple clicks in succession.
* Useful for buttons that perform some action that changes their state asynchronously.
* @param l
* @return
*/
public static View.OnClickListener rateLimitedClickListener(View.OnClickListener l){
return new View.OnClickListener(){
private long lastClickTime;
@Override
public void onClick(View v){
if(SystemClock.uptimeMillis()-lastClickTime>500L){
lastClickTime=SystemClock.uptimeMillis();
l.onClick(v);
}
}
};
}
}