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Gadgetbridge/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/util/AndroidUtils.java
2023-05-14 16:10:25 +01:00

296 lines
12 KiB
Java

/* Copyright (C) 2016-2021 Andreas Shimokawa, Carsten Pfeiffer, Daniele
Gobbetti, Felix Konstantin Maurer, Marc Nause, Petr Vaněk, Taavi Eomäe
This file is part of Gadgetbridge.
Gadgetbridge is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Gadgetbridge 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 nodomain.freeyourgadget.gadgetbridge.util;
import android.content.ActivityNotFoundException;
import android.content.BroadcastReceiver;
import android.content.ContentUris;
import android.content.Context;
import android.content.Intent;
import android.content.res.Configuration;
import android.database.Cursor;
import android.graphics.Color;
import android.net.Uri;
import android.os.Environment;
import android.os.ParcelUuid;
import android.os.Parcelable;
import android.provider.DocumentsContract;
import android.provider.MediaStore;
import android.text.TextUtils;
import android.widget.Toast;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.core.content.FileProvider;
import androidx.localbroadcastmanager.content.LocalBroadcastManager;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.URISyntaxException;
import java.util.Locale;
import nodomain.freeyourgadget.gadgetbridge.GBApplication;
import nodomain.freeyourgadget.gadgetbridge.R;
public class AndroidUtils {
private static final Logger LOG = LoggerFactory.getLogger(AndroidUtils.class);
/**
* Creates a new {@link ParcelUuid} array with the contents of the given uuids.
* The given array is expected to contain only {@link ParcelUuid} elements.
* @param uuids an array of {@link ParcelUuid} elements
* @return a {@link ParcelUuid} array instance with the same contents
*/
public static ParcelUuid[] toParcelUuids(Parcelable[] uuids) {
if (uuids == null) {
return null;
}
ParcelUuid[] uuids2 = new ParcelUuid[uuids.length];
System.arraycopy(uuids, 0, uuids2, 0, uuids.length);
return uuids2;
}
/**
* Unregisters the given receiver from the given context.
* @param context the context from which to unregister
* @param receiver the receiver to unregister
* @return true if it was successfully unregistered, or false if the receiver was not registered
*/
public static boolean safeUnregisterBroadcastReceiver(Context context, BroadcastReceiver receiver) {
try {
context.unregisterReceiver(receiver);
return true;
} catch (IllegalArgumentException ex) {
return false;
}
}
/**
* Unregisters the given receiver from the given {@link LocalBroadcastManager}.
* @param manager the manager from which to unregister
* @param receiver the receiver to unregister
* @return true if it was successfully unregistered, or false if the receiver was not registered
*/
public static boolean safeUnregisterBroadcastReceiver(LocalBroadcastManager manager, BroadcastReceiver receiver) {
try {
manager.unregisterReceiver(receiver);
return true;
} catch (IllegalArgumentException ex) {
return false;
}
}
public static void setLanguage(Context context, Locale language) {
Configuration config = new Configuration();
config.setLocale(language);
// FIXME: I have no idea what I am doing
context.getResources().updateConfiguration(config, context.getResources().getDisplayMetrics());
}
/**
* Returns the theme dependent text color as a css-style hex string.
* @param context the context to access the colour
*/
public static String getTextColorHex(Context context) {
int color;
if (GBApplication.isDarkThemeEnabled()) {
color = context.getResources().getColor(R.color.primarytext_dark);
} else {
color = context.getResources().getColor(R.color.primarytext_light);
}
return colorToHex(color);
}
/**
* Returns the theme dependent background color as a css-style hex string.
* @param context the context to access the colour
*/
public static String getBackgroundColorHex(Context context) {
int color;
if (GBApplication.isDarkThemeEnabled()) {
color = context.getResources().getColor(R.color.cardview_dark_background);
} else {
color = context.getResources().getColor(R.color.cardview_light_background);
}
return colorToHex(color);
}
public static int getBackgroundColor(Context context) {
int color;
if (GBApplication.isDarkThemeEnabled()) {
color = context.getResources().getColor(R.color.cardview_dark_background);
} else {
color = context.getResources().getColor(R.color.cardview_light_background);
}
return color;
}
private static String colorToHex(int color) {
return "#"
+ Integer.toHexString(Color.red(color))
+ Integer.toHexString(Color.green(color))
+ Integer.toHexString(Color.blue(color));
}
/**
* As seen on StackOverflow https://stackoverflow.com/a/36714242/1207186
* Try to find the file path of a document uri
*
* @param context the application context
* @param uri the Uri for which the path should be resolved
* @return the path corresponding to the Uri as a String
* @throws IllegalArgumentException on any problem decoding the uri to a path
*/
public static @NonNull String getFilePath(@NonNull Context context, @NonNull Uri uri) throws IllegalArgumentException {
try {
String path = internalGetFilePath(context, uri);
if (TextUtils.isEmpty(path)) {
throw new IllegalArgumentException("Unable to decode the given uri to a file path: " + uri);
}
return path;
} catch (IllegalArgumentException ex) {
throw ex;
} catch (Exception ex) {
throw new IllegalArgumentException("Unable to decode the given uri to a file path: " + uri, ex);
}
}
/**
* As seen on StackOverflow https://stackoverflow.com/a/36714242/1207186
* Try to find the file path of a document uri
* @param context the application context
* @param uri the Uri for which the path should be resolved
* @return the path corresponding to the Uri as a String
* @throws URISyntaxException
*/
private static @Nullable String internalGetFilePath(@NonNull Context context, @NonNull Uri uri) throws URISyntaxException {
String selection = null;
String[] selectionArgs = null;
if (DocumentsContract.isDocumentUri(context.getApplicationContext(), uri)) {
if ("com.android.externalstorage.documents".equals(uri.getAuthority())) {
final String docId = DocumentsContract.getDocumentId(uri);
final String[] split = docId.split(":");
return Environment.getExternalStorageDirectory() + "/" + split[1];
} else if ("com.android.providers.downloads.documents".equals(uri.getAuthority())) {
final String id = DocumentsContract.getDocumentId(uri);
if (!TextUtils.isEmpty(id)) {
if (id.startsWith("raw:")) {
return id.replaceFirst("raw:", "");
}
uri = ContentUris.withAppendedId(
Uri.parse("content://downloads/public_downloads"), Long.parseLong(id));
}
} else if ("com.android.providers.media.documents".equals(uri.getAuthority())) {
final String docId = DocumentsContract.getDocumentId(uri);
final String[] split = docId.split(":");
final String type = split[0];
if ("image".equals(type)) {
uri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
} else if ("video".equals(type)) {
uri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
} else if ("audio".equals(type)) {
uri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
}
selection = "_id=?";
selectionArgs = new String[]{
split[1]
};
}
}
if ("content".equalsIgnoreCase(uri.getScheme())) {
String[] projection = {
MediaStore.Images.Media.DATA
};
Cursor cursor = context.getContentResolver()
.query(uri, projection, selection, selectionArgs, null);
int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
if (cursor.moveToFirst()) {
return cursor.getString(column_index);
}
} else if ("file".equalsIgnoreCase(uri.getScheme())) {
return uri.getPath();
}
throw new IllegalArgumentException("Unable to decode the given uri to a file path: " + uri);
}
public static void viewFile(String path, String action, Context context) throws IOException {
Intent intent = new Intent(action);
File file = new File(path);
Uri contentUri = FileProvider.getUriForFile(context,
context.getApplicationContext().getPackageName() + ".screenshot_provider", file);
intent.setFlags(Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION | Intent.FLAG_GRANT_READ_URI_PERMISSION);
intent.setDataAndType(contentUri,"application/gpx+xml");
try {
context.startActivity(intent);
} catch (ActivityNotFoundException e) {
Toast.makeText(context, R.string.activity_error_no_app_for_gpx, Toast.LENGTH_LONG).show();
}
}
public static void shareBytesAsFile(final Context context, final String name, final byte[] bytes) throws IOException {
final File cacheDir = context.getCacheDir();
final File rawCacheDir = new File(cacheDir, "raw");
rawCacheDir.mkdir();
final File file = new File(rawCacheDir, name);
try (FileOutputStream outputStream = new FileOutputStream(file)) {
outputStream.write(bytes);
} catch (final IOException e) {
LOG.error("Failed to write bytes to temporary file", e);
return;
}
shareFile(context, file);
}
public static void shareFile(final Context context, final File file) throws IOException {
if (!file.exists()) {
LOG.warn("File {} does not exist", file.getPath());
return;
}
shareFile(context, file, "*/*");
}
public static void shareFile(final Context context, final File file, final String type) throws IOException {
final Uri contentUri = FileProvider.getUriForFile(
context,
context.getApplicationContext().getPackageName() + ".screenshot_provider",
file
);
final Intent intent = new Intent(Intent.ACTION_SEND);
intent.setType(type);
intent.putExtra(Intent.EXTRA_STREAM, contentUri);
intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
try {
context.startActivity(Intent.createChooser(intent, "Share file"));
} catch (ActivityNotFoundException e) {
Toast.makeText(context, R.string.activity_error_share_failed, Toast.LENGTH_LONG).show();
}
}
}