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nextcloud-android/src/main/java/com/owncloud/android/utils/DisplayUtils.java

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/*
* Nextcloud Android client application
*
* @author Andy Scherzinger
* @author Bartek Przybylski
* @author David A. Velasco
* Copyright (C) 2011 Bartek Przybylski
* Copyright (C) 2015 ownCloud Inc.
* Copyright (C) 2016 Andy Scherzinger
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
*
* You should have received a copy of the GNU Affero General Public
* License along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.owncloud.android.utils;
import android.accounts.Account;
import android.accounts.AccountManager;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.Point;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.PictureDrawable;
import android.net.Uri;
import android.text.Spannable;
import android.text.SpannableStringBuilder;
import android.text.TextUtils;
import android.text.format.DateUtils;
import android.text.style.StyleSpan;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import com.bumptech.glide.GenericRequestBuilder;
import com.bumptech.glide.Glide;
import com.bumptech.glide.load.engine.DiskCacheStrategy;
import com.bumptech.glide.load.model.StreamEncoder;
import com.bumptech.glide.load.resource.file.FileToStreamDecoder;
import com.bumptech.glide.request.target.SimpleTarget;
import com.bumptech.glide.request.target.Target;
import com.caverock.androidsvg.SVG;
import com.google.android.material.bottomnavigation.BottomNavigationView;
import com.google.android.material.snackbar.Snackbar;
import com.owncloud.android.MainApp;
import com.owncloud.android.R;
import com.owncloud.android.authentication.AccountUtils;
import com.owncloud.android.datamodel.ArbitraryDataProvider;
import com.owncloud.android.datamodel.OCFile;
import com.owncloud.android.datamodel.ThumbnailsCacheManager;
import com.owncloud.android.lib.common.OwnCloudAccount;
import com.owncloud.android.lib.common.utils.Log_OC;
import com.owncloud.android.lib.resources.files.SearchRemoteOperation;
import com.owncloud.android.ui.TextDrawable;
import com.owncloud.android.ui.activity.FileDisplayActivity;
import com.owncloud.android.ui.events.MenuItemClickEvent;
import com.owncloud.android.ui.events.SearchEvent;
import com.owncloud.android.ui.fragment.OCFileListFragment;
import com.owncloud.android.utils.svg.SvgDecoder;
import com.owncloud.android.utils.svg.SvgDrawableTranscoder;
import org.greenrobot.eventbus.EventBus;
import org.parceler.Parcels;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import java.math.BigDecimal;
import java.net.IDN;
import java.text.DateFormat;
import java.util.Collection;
import java.util.Date;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.annotation.StringRes;
import androidx.appcompat.widget.AppCompatDrawableManager;
/**
* A helper class for UI/display related operations.
*/
public final class DisplayUtils {
private static final String TAG = DisplayUtils.class.getSimpleName();
private static final String[] sizeSuffixes = {"B", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"};
private static final int[] sizeScales = {0, 0, 1, 1, 1, 2, 2, 2, 2};
private static final int RELATIVE_THRESHOLD_WARNING = 80;
private static final String MIME_TYPE_UNKNOWN = "Unknown type";
private static final String HTTP_PROTOCOL = "http://";
private static final String HTTPS_PROTOCOL = "https://";
private static final String TWITTER_HANDLE_PREFIX = "@";
private static final int MIMETYPE_PARTS_COUNT = 2;
private static final int BYTE_SIZE_DIVIDER = 1024;
private static final double BYTE_SIZE_DIVIDER_DOUBLE = 1024.0;
private static final int DATE_TIME_PARTS_SIZE = 2;
private static Map<String, String> mimeType2HumanReadable;
static {
mimeType2HumanReadable = new HashMap<>();
// images
mimeType2HumanReadable.put("image/jpeg", "JPEG image");
mimeType2HumanReadable.put("image/jpg", "JPEG image");
mimeType2HumanReadable.put("image/png", "PNG image");
mimeType2HumanReadable.put("image/bmp", "Bitmap image");
mimeType2HumanReadable.put("image/gif", "GIF image");
mimeType2HumanReadable.put("image/svg+xml", "JPEG image");
mimeType2HumanReadable.put("image/tiff", "TIFF image");
// music
mimeType2HumanReadable.put("audio/mpeg", "MP3 music file");
mimeType2HumanReadable.put("application/ogg", "OGG music file");
}
private DisplayUtils() {
// utility class -> private constructor
}
/**
* Converts the file size in bytes to human readable output.
* <ul>
* <li>appends a size suffix, e.g. B, KB, MB etc.</li>
* <li>rounds the size based on the suffix to 0,1 or 2 decimals</li>
* </ul>
*
* @param bytes Input file size
* @return something readable like "12 MB", {@link com.owncloud.android.R.string#common_pending} for negative
* byte values
*/
public static String bytesToHumanReadable(long bytes) {
if (bytes < 0) {
return MainApp.getAppContext().getString(R.string.common_pending);
} else {
double result = bytes;
int suffixIndex = 0;
while (result > BYTE_SIZE_DIVIDER && suffixIndex < sizeSuffixes.length) {
result /= BYTE_SIZE_DIVIDER_DOUBLE;
suffixIndex++;
}
return new BigDecimal(String.valueOf(result)).setScale(
sizeScales[suffixIndex], BigDecimal.ROUND_HALF_UP) + " " + sizeSuffixes[suffixIndex];
}
}
/**
* Converts MIME types like "image/jpg" to more end user friendly output
* like "JPG image".
*
* @param mimetype MIME type to convert
* @return A human friendly version of the MIME type, {@link #MIME_TYPE_UNKNOWN} if it can't be converted
*/
public static String convertMIMEtoPrettyPrint(String mimetype) {
final String humanReadableMime = mimeType2HumanReadable.get(mimetype);
if (humanReadableMime != null) {
return humanReadableMime;
}
if (mimetype.split("/").length >= MIMETYPE_PARTS_COUNT) {
return mimetype.split("/")[1].toUpperCase(Locale.getDefault()) + " file";
}
return MIME_TYPE_UNKNOWN;
}
/**
* Converts Unix time to human readable format
*
* @param milliseconds that have passed since 01/01/1970
* @return The human readable time for the users locale
*/
public static String unixTimeToHumanReadable(long milliseconds) {
Date date = new Date(milliseconds);
DateFormat df = DateFormat.getDateTimeInstance();
return df.format(date);
}
/**
* beautifies a given URL by removing any http/https protocol prefix.
*
* @param url to be beautified url
* @return beautified url
*/
public static String beautifyURL(@Nullable String url) {
if (TextUtils.isEmpty(url)) {
return "";
}
if (url.length() >= 7 && HTTP_PROTOCOL.equalsIgnoreCase(url.substring(0, 7))) {
return url.substring(HTTP_PROTOCOL.length()).trim();
}
if (url.length() >= 8 && HTTPS_PROTOCOL.equalsIgnoreCase(url.substring(0, 8))) {
return url.substring(HTTPS_PROTOCOL.length()).trim();
}
return url.trim();
}
/**
* beautifies a given twitter handle by prefixing it with an @ in case it is missing.
*
* @param handle to be beautified twitter handle
* @return beautified twitter handle
*/
public static String beautifyTwitterHandle(@Nullable String handle) {
if (handle != null) {
String trimmedHandle = handle.trim();
if (TextUtils.isEmpty(trimmedHandle)) {
return "";
}
if (trimmedHandle.startsWith(TWITTER_HANDLE_PREFIX)) {
return trimmedHandle;
} else {
return TWITTER_HANDLE_PREFIX + trimmedHandle;
}
} else {
return "";
}
}
/**
* Converts an internationalized domain name (IDN) in an URL to and from ASCII/Unicode.
*
* @param url the URL where the domain name should be converted
* @param toASCII if true converts from Unicode to ASCII, if false converts from ASCII to Unicode
* @return the URL containing the converted domain name
*/
public static String convertIdn(String url, boolean toASCII) {
String urlNoDots = url;
String dots = "";
while (urlNoDots.length() > 0 && urlNoDots.charAt(0) == '.') {
urlNoDots = url.substring(1);
dots = dots + ".";
}
// Find host name after '//' or '@'
int hostStart = 0;
if (urlNoDots.contains("//")) {
hostStart = url.indexOf("//") + "//".length();
} else if (url.contains("@")) {
hostStart = url.indexOf('@') + "@".length();
}
int hostEnd = url.substring(hostStart).indexOf("/");
// Handle URL which doesn't have a path (path is implicitly '/')
hostEnd = hostEnd == -1 ? urlNoDots.length() : hostStart + hostEnd;
String host = urlNoDots.substring(hostStart, hostEnd);
host = toASCII ? IDN.toASCII(host) : IDN.toUnicode(host);
return dots + urlNoDots.substring(0, hostStart) + host + urlNoDots.substring(hostEnd);
}
/**
* creates the display string for an account.
*
* @param context the actual activity
* @param savedAccount the actual, saved account
* @param accountName the account name
* @param fallbackString String to be used in case of an error
* @return the display string for the given account data
*/
public static String getAccountNameDisplayText(Context context, Account savedAccount, String accountName, String
fallbackString) {
try {
return new OwnCloudAccount(savedAccount, context).getDisplayName()
+ "@"
+ convertIdn(accountName.substring(accountName.lastIndexOf('@') + 1), false);
} catch (Exception e) {
Log_OC.w(TAG, "Couldn't get display name for account, using old style");
return fallbackString;
}
}
/**
* converts an array of accounts into a set of account names.
*
* @param accountList the account array
* @return set of account names
*/
public static Set<String> toAccountNameSet(Collection<Account> accountList) {
Set<String> actualAccounts = new HashSet<>(accountList.size());
for (Account account : accountList) {
actualAccounts.add(account.name);
}
return actualAccounts;
}
/**
* calculates the relative time string based on the given modification timestamp.
*
* @param context the app's context
* @param modificationTimestamp the UNIX timestamp of the file modification time in milliseconds.
* @return a relative time string
*/
public static CharSequence getRelativeTimestamp(Context context, long modificationTimestamp) {
return getRelativeDateTimeString(context, modificationTimestamp, DateUtils.SECOND_IN_MILLIS,
DateUtils.WEEK_IN_MILLIS, 0);
}
/**
* determines the info level color based on {@link #RELATIVE_THRESHOLD_WARNING}.
*
* @param context the app's context
* @param relative relative value for which the info level color should be looked up
* @return info level color
*/
public static int getRelativeInfoColor(Context context, int relative) {
if (relative < RELATIVE_THRESHOLD_WARNING) {
return ThemeUtils.primaryColor(context, true);
} else {
return context.getResources().getColor(R.color.infolevel_warning);
}
}
public static CharSequence getRelativeDateTimeString(Context c, long time, long minResolution,
long transitionResolution, int flags) {
CharSequence dateString = "";
// in Future
if (time > System.currentTimeMillis()) {
return DisplayUtils.unixTimeToHumanReadable(time);
}
// < 60 seconds -> seconds ago
else if ((System.currentTimeMillis() - time) < 60 * 1000 && minResolution == DateUtils.SECOND_IN_MILLIS) {
return c.getString(R.string.file_list_seconds_ago);
} else {
dateString = DateUtils.getRelativeDateTimeString(c, time, minResolution, transitionResolution, flags);
}
String[] parts = dateString.toString().split(",");
if (parts.length == DATE_TIME_PARTS_SIZE) {
if (parts[1].contains(":") && !parts[0].contains(":")) {
return parts[0];
} else if (parts[0].contains(":") && !parts[1].contains(":")) {
return parts[1];
}
}
// dateString contains unexpected format. fallback: use relative date time string from android api as is.
return dateString.toString();
}
/**
* Update the passed path removing the last "/" if it is not the root folder.
*
* @param path the path to be trimmed
*/
public static String getPathWithoutLastSlash(String path) {
// Remove last slash from path
if (path.length() > 1 && path.charAt(path.length() - 1) == OCFile.PATH_SEPARATOR.charAt(0)) {
return path.substring(0, path.length() - 1);
}
return path;
}
/**
* Gets the screen size in pixels.
*
* @param caller Activity calling; needed to get access to the {@link android.view.WindowManager}
* @return Size in pixels of the screen, or default {@link Point} if caller is null
*/
public static Point getScreenSize(Activity caller) {
Point size = new Point();
if (caller != null) {
caller.getWindowManager().getDefaultDisplay().getSize(size);
}
return size;
}
/**
* styling of given spanText within a given text.
*
* @param text the non styled complete text
* @param spanText the to be styled text
* @param style the style to be applied
*/
public static SpannableStringBuilder createTextWithSpan(String text, String spanText, StyleSpan style) {
if (text == null) {
return null;
}
SpannableStringBuilder sb = new SpannableStringBuilder(text);
if(spanText == null) {
return sb;
}
int start = text.lastIndexOf(spanText);
if (start < 0) {
return sb;
}
int end = start + spanText.length();
sb.setSpan(style, start, end, Spannable.SPAN_INCLUSIVE_INCLUSIVE);
return sb;
}
public interface AvatarGenerationListener {
void avatarGenerated(Drawable avatarDrawable, Object callContext);
boolean shouldCallGeneratedCallback(String tag, Object callContext);
}
/**
* fetches and sets the avatar of the given account in the passed callContext
*
* @param account the account to be used to connect to server
* @param avatarRadius the avatar radius
* @param resources reference for density information
* @param callContext which context is called to set the generated avatar
*/
public static void setAvatar(@NonNull Account account, AvatarGenerationListener listener,
float avatarRadius, Resources resources, Object callContext, Context context) {
AccountManager accountManager = AccountManager.get(context);
String userId = accountManager.getUserData(account,
com.owncloud.android.lib.common.accounts.AccountUtils.Constants.KEY_USER_ID);
setAvatar(account, userId, listener, avatarRadius, resources, callContext, context);
}
/**
* fetches and sets the avatar of the given account in the passed callContext
*
* @param account the account to be used to connect to server
* @param userId the userId which avatar should be set
* @param avatarRadius the avatar radius
* @param resources reference for density information
* @param callContext which context is called to set the generated avatar
*/
public static void setAvatar(@NonNull Account account, @NonNull String userId, AvatarGenerationListener listener,
float avatarRadius, Resources resources, Object callContext, Context context) {
if (callContext instanceof View) {
((View) callContext).setContentDescription(account.name);
}
ArbitraryDataProvider arbitraryDataProvider = new ArbitraryDataProvider(context.getContentResolver());
String serverName = account.name.substring(account.name.lastIndexOf('@') + 1);
String eTag = arbitraryDataProvider.getValue(userId + "@" + serverName, ThumbnailsCacheManager.AVATAR);
String avatarKey = "a_" + userId + "_" + serverName + "_" + eTag;
// first show old one
Drawable avatar = BitmapUtils.bitmapToCircularBitmapDrawable(resources,
ThumbnailsCacheManager.getBitmapFromDiskCache(avatarKey));
// if no one exists, show colored icon with initial char
if (avatar == null) {
try {
avatar = TextDrawable.createAvatarByUserId(userId, avatarRadius);
} catch (Exception e) {
Log_OC.e(TAG, "Error calculating RGB value for active account icon.", e);
avatar = resources.getDrawable(R.drawable.account_circle_white);
}
}
// check for new avatar, eTag is compared, so only new one is downloaded
if (ThumbnailsCacheManager.cancelPotentialAvatarWork(userId, callContext)) {
final ThumbnailsCacheManager.AvatarGenerationTask task =
new ThumbnailsCacheManager.AvatarGenerationTask(listener, callContext, account, resources,
avatarRadius, userId, serverName, context);
final ThumbnailsCacheManager.AsyncAvatarDrawable asyncDrawable =
new ThumbnailsCacheManager.AsyncAvatarDrawable(resources, avatar, task);
listener.avatarGenerated(asyncDrawable, callContext);
task.execute(userId);
}
}
public static void downloadIcon(Context context, String iconUrl, SimpleTarget imageView, int placeholder,
int width, int height) {
try {
if (iconUrl.endsWith(".svg")) {
downloadSVGIcon(context, iconUrl, imageView, placeholder, width, height);
} else {
downloadPNGIcon(context, iconUrl, imageView, placeholder);
}
} catch (Exception e) {
Log_OC.d(TAG, "not setting image as activity is destroyed");
}
}
private static void downloadPNGIcon(Context context, String iconUrl, SimpleTarget imageView, int placeholder) {
Glide
.with(context)
.load(iconUrl)
.centerCrop()
.placeholder(placeholder)
.error(placeholder)
.crossFade()
.into(imageView);
}
private static void downloadSVGIcon(Context context, String iconUrl, SimpleTarget imageView, int placeholder,
int width, int height) {
GenericRequestBuilder<Uri, InputStream, SVG, PictureDrawable> requestBuilder = Glide.with(context)
.using(Glide.buildStreamModelLoader(Uri.class, context), InputStream.class)
.from(Uri.class)
.as(SVG.class)
.transcode(new SvgDrawableTranscoder(), PictureDrawable.class)
.sourceEncoder(new StreamEncoder())
.cacheDecoder(new FileToStreamDecoder<>(new SvgDecoder(height, width)))
.decoder(new SvgDecoder(height, width))
.placeholder(placeholder)
.error(placeholder)
.animate(android.R.anim.fade_in);
Uri uri = Uri.parse(iconUrl);
requestBuilder
.diskCacheStrategy(DiskCacheStrategy.SOURCE)
.load(uri)
.into(imageView);
}
public static Bitmap downloadImageSynchronous(Context context, String imageUrl) {
try {
return Glide.with(context)
.load(imageUrl)
.asBitmap()
.diskCacheStrategy(DiskCacheStrategy.NONE)
.skipMemoryCache(true)
.into(Target.SIZE_ORIGINAL, Target.SIZE_ORIGINAL)
.get();
} catch (Exception e) {
Log_OC.e(TAG, "Could not download image " + imageUrl);
return null;
}
}
public static void setupBottomBar(
Account account,
BottomNavigationView view,
Resources resources,
final Activity activity,
int checkedMenuItem
) {
Menu menu = view.getMenu();
boolean searchSupported = AccountUtils.hasSearchSupport(account);
if (!searchSupported) {
menu.removeItem(R.id.nav_bar_favorites);
menu.removeItem(R.id.nav_bar_photos);
}
if (resources.getBoolean(R.bool.use_home)) {
menu.findItem(R.id.nav_bar_files).setTitle(resources.
getString(R.string.drawer_item_home));
menu.findItem(R.id.nav_bar_files).setIcon(R.drawable.ic_home);
}
setBottomBarItem(view, checkedMenuItem);
view.setOnNavigationItemSelectedListener(
new BottomNavigationView.OnNavigationItemSelectedListener() {
@Override
public boolean onNavigationItemSelected(@NonNull MenuItem item) {
switch (item.getItemId()) {
case R.id.nav_bar_files:
EventBus.getDefault().post(new MenuItemClickEvent(item));
if (activity != null) {
activity.invalidateOptionsMenu();
}
break;
case R.id.nav_bar_favorites:
SearchEvent favoritesEvent = new SearchEvent("",
SearchRemoteOperation.SearchType.FAVORITE_SEARCH,
SearchEvent.UnsetType.UNSET_DRAWER);
switchToSearchFragment(activity, favoritesEvent);
break;
case R.id.nav_bar_photos:
SearchEvent photosEvent = new SearchEvent("image/%",
SearchRemoteOperation.SearchType.CONTENT_TYPE_SEARCH,
SearchEvent.UnsetType.UNSET_DRAWER);
switchToSearchFragment(activity, photosEvent);
break;
case R.id.nav_bar_settings:
EventBus.getDefault().post(new MenuItemClickEvent(item));
break;
default:
break;
}
return true;
}
});
}
public static void setBottomBarItem(BottomNavigationView view, int checkedMenuItem) {
Menu menu = view.getMenu();
for (int i = 0; i < menu.size(); i++) {
menu.getItem(i).setChecked(false);
}
if (checkedMenuItem != -1) {
menu.findItem(checkedMenuItem).setChecked(true);
}
}
private static void switchToSearchFragment(Activity activity, SearchEvent event) {
if (activity instanceof FileDisplayActivity) {
EventBus.getDefault().post(event);
} else {
Intent recentlyAddedIntent = new Intent(activity.getBaseContext(), FileDisplayActivity.class);
recentlyAddedIntent.putExtra(OCFileListFragment.SEARCH_EVENT, Parcels.wrap(event));
recentlyAddedIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
activity.startActivity(recentlyAddedIntent);
}
}
/**
* Get String data from a InputStream
*
* @param inputStream The File InputStream
*/
public static String getData(InputStream inputStream) {
BufferedReader buffreader = new BufferedReader(new InputStreamReader(inputStream));
String line;
StringBuilder text = new StringBuilder();
try {
while ((line = buffreader.readLine()) != null) {
text.append(line);
text.append('\n');
}
} catch (IOException e) {
Log_OC.e(TAG, e.getMessage());
}
return text.toString();
}
/**
* Show a temporary message in a {@link Snackbar} bound to the content view.
*
* @param activity The {@link Activity} to which's content view the {@link Snackbar} is bound.
* @param messageResource The resource id of the string resource to use. Can be formatted text.
*/
public static void showSnackMessage(Activity activity, @StringRes int messageResource) {
showSnackMessage(activity.findViewById(android.R.id.content), messageResource);
}
/**
* Show a temporary message in a {@link Snackbar} bound to the content view.
*
* @param activity The {@link Activity} to which's content view the {@link Snackbar} is bound.
* @param message Message to show.
*/
public static void showSnackMessage(Activity activity, String message) {
Snackbar.make(activity.findViewById(android.R.id.content), message, Snackbar.LENGTH_LONG).show();
}
/**
* Show a temporary message in a {@link Snackbar} bound to the given view.
*
* @param view The view the {@link Snackbar} is bound to.
* @param messageResource The resource id of the string resource to use. Can be formatted text.
*/
public static void showSnackMessage(View view, @StringRes int messageResource) {
Snackbar.make(view, messageResource, Snackbar.LENGTH_LONG).show();
}
/**
* Show a temporary message in a {@link Snackbar} bound to the given view.
*
* @param view The view the {@link Snackbar} is bound to.
* @param message The message.
*/
public static void showSnackMessage(View view, String message) {
Snackbar.make(view, message, Snackbar.LENGTH_LONG).show();
}
/**
* create a temporary message in a {@link Snackbar} bound to the given view.
*
* @param view The view the {@link Snackbar} is bound to.
* @param messageResource The resource id of the string resource to use. Can be formatted text.
*/
public static Snackbar createSnackbar(View view, @StringRes int messageResource, int length) {
return Snackbar.make(view, messageResource, length);
}
/**
* Show a temporary message in a {@link Snackbar} bound to the content view.
*
* @param activity The {@link Activity} to which's content view the {@link Snackbar} is bound.
* @param messageResource The resource id of the string resource to use. Can be formatted text.
* @param formatArgs The format arguments that will be used for substitution.
*/
public static void showSnackMessage(Activity activity, @StringRes int messageResource, Object... formatArgs) {
showSnackMessage(activity, activity.findViewById(android.R.id.content), messageResource, formatArgs);
}
/**
* Show a temporary message in a {@link Snackbar} bound to the content view.
*
* @param context to load resources.
* @param view The content view the {@link Snackbar} is bound to.
* @param messageResource The resource id of the string resource to use. Can be formatted text.
* @param formatArgs The format arguments that will be used for substitution.
*/
public static void showSnackMessage(Context context, View view, @StringRes int messageResource, Object... formatArgs) {
Snackbar.make(
view,
String.format(context.getString(messageResource, formatArgs)),
Snackbar.LENGTH_LONG)
.show();
}
// Solution inspired by https://stackoverflow.com/questions/34936590/why-isnt-my-vector-drawable-scaling-as-expected
// Copied from https://raw.githubusercontent.com/nextcloud/talk-android/8ec8606bc61878e87e3ac8ad32c8b72d4680013c/app/src/main/java/com/nextcloud/talk/utils/DisplayUtils.java
// under GPL3
public static void useCompatVectorIfNeeded() {
try {
@SuppressLint("RestrictedApi") AppCompatDrawableManager drawableManager = AppCompatDrawableManager.get();
Class<?> inflateDelegateClass = Class.forName("android.support.v7.widget.AppCompatDrawableManager$InflateDelegate");
Class<?> vdcInflateDelegateClass = Class.forName("android.support.v7.widget.AppCompatDrawableManager$VdcInflateDelegate");
Constructor<?> constructor = vdcInflateDelegateClass.getDeclaredConstructor();
constructor.setAccessible(true);
Object vdcInflateDelegate = constructor.newInstance();
Class<?> args[] = {String.class, inflateDelegateClass};
Method addDelegate = AppCompatDrawableManager.class.getDeclaredMethod("addDelegate", args);
addDelegate.setAccessible(true);
addDelegate.invoke(drawableManager, "vector", vdcInflateDelegate);
} catch (Exception e) {
Log.e(TAG, "Failed to use reflection to enable proper vector scaling");
}
}
public static int convertDpToPixel(float dp, Context context) {
Resources resources = context.getResources();
DisplayMetrics metrics = resources.getDisplayMetrics();
return (int) (dp * ((float) metrics.densityDpi / DisplayMetrics.DENSITY_DEFAULT));
}
static public void showServerOutdatedSnackbar(Activity activity) {
Snackbar.make(activity.findViewById(android.R.id.content),
R.string.outdated_server, Snackbar.LENGTH_INDEFINITE)
.setAction(R.string.dismiss, v -> {
})
.show();
}
static public void startLinkIntent(Activity activity, @StringRes int link) {
Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(activity.getString(link)));
DisplayUtils.startIntentIfAppAvailable(intent, activity, R.string.no_browser_available);
}
static public void startIntentIfAppAvailable(Intent intent, Activity activity, @StringRes int error) {
if (intent.resolveActivity(activity.getPackageManager()) != null) {
activity.startActivity(intent);
} else {
DisplayUtils.showSnackMessage(activity, error);
}
}
}
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