Shared.java revision 317d65f8153822981ac08b944abde72a7db20104
1fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay/* 2fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay * Copyright (C) 2015 The Android Open Source Project 3fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay * 4fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay * Licensed under the Apache License, Version 2.0 (the "License"); 5fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay * you may not use this file except in compliance with the License. 6fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay * You may obtain a copy of the License at 7fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay * 8fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay * http://www.apache.org/licenses/LICENSE-2.0 9fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay * 10fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay * Unless required by applicable law or agreed to in writing, software 11fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay * distributed under the License is distributed on an "AS IS" BASIS, 12fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay * See the License for the specific language governing permissions and 14fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay * limitations under the License. 15fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay */ 16fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay 17d9caa6ab53aa784acaf241c0ded3c4ae2d342bf8Steve McKaypackage com.android.documentsui.base; 18fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay 195b0a2c187a9e446b683687817d22cbe443585223Steve McKayimport android.annotation.PluralsRes; 2024917427f41f9e41925c4a56d0c71d85e30643dfSteve McKayimport android.app.Activity; 2117f7e5891cbe86fc6cacae045a4edd3e41f8d5eeSteve McKayimport android.app.AlertDialog; 22919231857d2add3afe51f06aaf41663a252c3e0eBen Kwaimport android.content.Context; 2317f7e5891cbe86fc6cacae045a4edd3e41f8d5eeSteve McKayimport android.content.Intent; 24988d8a354b00dce7e24deee187c08a4591956ac9Steve McKayimport android.content.pm.ApplicationInfo; 2500ee050745f8c3558e7ee93d56abeb0a4ad82472Steve McKayimport android.content.pm.PackageManager.NameNotFoundException; 26741ac6fffb3ee2441569412a28a1c4f3c2160d87Aga Wronskaimport android.content.res.Configuration; 27988d8a354b00dce7e24deee187c08a4591956ac9Steve McKayimport android.net.Uri; 282056205cb85d529d732638c45fe459168168e1eeGarfield, Tanimport android.os.Looper; 2917f7e5891cbe86fc6cacae045a4edd3e41f8d5eeSteve McKayimport android.provider.DocumentsContract; 3055c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKayimport android.text.TextUtils; 318e3fd7676023738c04d099f2940a635ff0699717Ben Kwaimport android.text.format.DateUtils; 328e3fd7676023738c04d099f2940a635ff0699717Ben Kwaimport android.text.format.Time; 332056205cb85d529d732638c45fe459168168e1eeGarfield, Tanimport android.util.Log; 34741ac6fffb3ee2441569412a28a1c4f3c2160d87Aga Wronskaimport android.view.WindowManager; 356d50bcc90e6f8b3c16e23b3fc2d63f57804dd805Aga Wronska 36d9caa6ab53aa784acaf241c0ded3c4ae2d342bf8Steve McKayimport com.android.documentsui.R; 37d9caa6ab53aa784acaf241c0ded3c4ae2d342bf8Steve McKay 38e77419c6b4aecf4eb71b49898d6b63034a0771e4Ben Linimport java.io.PrintWriter; 39e77419c6b4aecf4eb71b49898d6b63034a0771e4Ben Linimport java.io.StringWriter; 4055c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKayimport java.text.Collator; 41c83baa0574ee9e34c0e06bda1ff08928d880ee36Steve McKayimport java.util.ArrayList; 42c83baa0574ee9e34c0e06bda1ff08928d880ee36Steve McKayimport java.util.List; 43c83baa0574ee9e34c0e06bda1ff08928d880ee36Steve McKay 4485ec0d676297724f211213c7cb188839f1d3601bSteve McKayimport javax.annotation.Nullable; 4585ec0d676297724f211213c7cb188839f1d3601bSteve McKay 464d0255f79cc92a5675d14b20f9cdf06ecb8d7109Steve McKay/** @hide */ 47fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKaypublic final class Shared { 4855c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay 490af8afd3309538dec784ed0c9c35b252a8213123Steve McKay public static final String TAG = "Documents"; 500af8afd3309538dec784ed0c9c35b252a8213123Steve McKay 512e809a14468df6437ccd1b147b421553e6a06a7eGarfield, Tan public static final boolean DEBUG = true; 5230535bce902104c97bbf70783d684ee673cb7637Steve McKay public static final boolean VERBOSE = DEBUG && Log.isLoggable(TAG, Log.VERBOSE); 530af8afd3309538dec784ed0c9c35b252a8213123Steve McKay 541686883a8d049b399e34954a4feaa98490277ae8Garfield Tan public static final boolean ENABLE_OMC_API_FEATURES = true; 551686883a8d049b399e34954a4feaa98490277ae8Garfield Tan 56ae96780a8909476dca709b88dbae5ec9a2f0632cBen Kwa /** Intent action name to pick a copy destination. */ 57ae96780a8909476dca709b88dbae5ec9a2f0632cBen Kwa public static final String ACTION_PICK_COPY_DESTINATION = 58ae96780a8909476dca709b88dbae5ec9a2f0632cBen Kwa "com.android.documentsui.PICK_COPY_DESTINATION"; 59ae96780a8909476dca709b88dbae5ec9a2f0632cBen Kwa 60ae96780a8909476dca709b88dbae5ec9a2f0632cBen Kwa /** 611686883a8d049b399e34954a4feaa98490277ae8Garfield Tan * Extra boolean flag for {@link #ACTION_PICK_COPY_DESTINATION}, which 62ae96780a8909476dca709b88dbae5ec9a2f0632cBen Kwa * specifies if the destination directory needs to create new directory or not. 63ae96780a8909476dca709b88dbae5ec9a2f0632cBen Kwa */ 64ae96780a8909476dca709b88dbae5ec9a2f0632cBen Kwa public static final String EXTRA_DIRECTORY_COPY = "com.android.documentsui.DIRECTORY_COPY"; 6517f7e5891cbe86fc6cacae045a4edd3e41f8d5eeSteve McKay 6617f7e5891cbe86fc6cacae045a4edd3e41f8d5eeSteve McKay /** 6717f7e5891cbe86fc6cacae045a4edd3e41f8d5eeSteve McKay * Extra flag used to store the current stack so user opens in right spot. 6817f7e5891cbe86fc6cacae045a4edd3e41f8d5eeSteve McKay */ 69af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska public static final String EXTRA_STACK = "com.android.documentsui.STACK"; 70af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska 71af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska /** 72af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska * Extra flag used to store query of type String in the bundle. 73af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska */ 74af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska public static final String EXTRA_QUERY = "query"; 75af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska 76af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska /** 77af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska * Extra flag used to store state of type State in the bundle. 78af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska */ 79af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska public static final String EXTRA_STATE = "state"; 80af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska 81af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska /** 82af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska * Extra flag used to store type of DirectoryFragment's type ResultType type in the bundle. 83af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska */ 84af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska public static final String EXTRA_TYPE = "type"; 85af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska 86af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska /** 87af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska * Extra flag used to store root of type RootInfo in the bundle. 88af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska */ 89af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska public static final String EXTRA_ROOT = "root"; 90af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska 91af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska /** 92af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska * Extra flag used to store document of DocumentInfo type in the bundle. 93af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska */ 94af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska public static final String EXTRA_DOC = "document"; 95af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska 96af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska /** 97af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska * Extra flag used to store DirectoryFragment's selection of Selection type in the bundle. 98af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska */ 99af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska public static final String EXTRA_SELECTION = "selection"; 100af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska 101af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska /** 102af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska * Extra flag used to store DirectoryFragment's search mode of boolean type in the bundle. 103af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska */ 104af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska public static final String EXTRA_SEARCH_MODE = "searchMode"; 105af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska 106af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska /** 107af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska * Extra flag used to store DirectoryFragment's ignore state of boolean type in the bundle. 108af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska */ 109af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska public static final String EXTRA_IGNORE_STATE = "ignoreState"; 110ae96780a8909476dca709b88dbae5ec9a2f0632cBen Kwa 111b8373c22f1bacf194c35a45dde337cad2e904587Tomasz Mikolajewski /** 112b8373c22f1bacf194c35a45dde337cad2e904587Tomasz Mikolajewski * Extra for an Intent for enabling performance benchmark. Used only by tests. 113b8373c22f1bacf194c35a45dde337cad2e904587Tomasz Mikolajewski */ 114b8373c22f1bacf194c35a45dde337cad2e904587Tomasz Mikolajewski public static final String EXTRA_BENCHMARK = "com.android.documentsui.benchmark"; 115b8373c22f1bacf194c35a45dde337cad2e904587Tomasz Mikolajewski 1162ccad1e19bb5e9308ff06c90327de99cc509f613Tomasz Mikolajewski /** 1172ccad1e19bb5e9308ff06c90327de99cc509f613Tomasz Mikolajewski * Maximum number of items in a Binder transaction packet. 1182ccad1e19bb5e9308ff06c90327de99cc509f613Tomasz Mikolajewski */ 11984769b8205cf4a100c9d4f65c41cf72ba7a3b40fSteve McKay public static final int MAX_DOCS_IN_INTENT = 500; 1202ccad1e19bb5e9308ff06c90327de99cc509f613Tomasz Mikolajewski 12183ac678e3ee261f3413486b4a2f9bd6337a820a8Steve McKay /** 12283ac678e3ee261f3413486b4a2f9bd6337a820a8Steve McKay * Animation duration of checkbox in directory list/grid in millis. 12383ac678e3ee261f3413486b4a2f9bd6337a820a8Steve McKay */ 12483ac678e3ee261f3413486b4a2f9bd6337a820a8Steve McKay public static final int CHECK_ANIMATION_DURATION = 100; 12583ac678e3ee261f3413486b4a2f9bd6337a820a8Steve McKay 12655c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay private static final Collator sCollator; 12755c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay 12855c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay static { 12955c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay sCollator = Collator.getInstance(); 13055c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay sCollator.setStrength(Collator.SECONDARY); 13155c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay } 13255c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay 133919231857d2add3afe51f06aaf41663a252c3e0eBen Kwa /** 1345b0a2c187a9e446b683687817d22cbe443585223Steve McKay * @deprecated use {@ link MessageBuilder#getQuantityString} 135919231857d2add3afe51f06aaf41663a252c3e0eBen Kwa */ 1365b0a2c187a9e446b683687817d22cbe443585223Steve McKay @Deprecated 1375b0a2c187a9e446b683687817d22cbe443585223Steve McKay public static final String getQuantityString(Context context, @PluralsRes int resourceId, int quantity) { 138919231857d2add3afe51f06aaf41663a252c3e0eBen Kwa return context.getResources().getQuantityString(resourceId, quantity, quantity); 139919231857d2add3afe51f06aaf41663a252c3e0eBen Kwa } 1408e3fd7676023738c04d099f2940a635ff0699717Ben Kwa 1418e3fd7676023738c04d099f2940a635ff0699717Ben Kwa public static String formatTime(Context context, long when) { 1428e3fd7676023738c04d099f2940a635ff0699717Ben Kwa // TODO: DateUtils should make this easier 1438e3fd7676023738c04d099f2940a635ff0699717Ben Kwa Time then = new Time(); 1448e3fd7676023738c04d099f2940a635ff0699717Ben Kwa then.set(when); 1458e3fd7676023738c04d099f2940a635ff0699717Ben Kwa Time now = new Time(); 1468e3fd7676023738c04d099f2940a635ff0699717Ben Kwa now.setToNow(); 1478e3fd7676023738c04d099f2940a635ff0699717Ben Kwa 1488e3fd7676023738c04d099f2940a635ff0699717Ben Kwa int flags = DateUtils.FORMAT_NO_NOON | DateUtils.FORMAT_NO_MIDNIGHT 1498e3fd7676023738c04d099f2940a635ff0699717Ben Kwa | DateUtils.FORMAT_ABBREV_ALL; 1508e3fd7676023738c04d099f2940a635ff0699717Ben Kwa 1518e3fd7676023738c04d099f2940a635ff0699717Ben Kwa if (then.year != now.year) { 1528e3fd7676023738c04d099f2940a635ff0699717Ben Kwa flags |= DateUtils.FORMAT_SHOW_YEAR | DateUtils.FORMAT_SHOW_DATE; 1538e3fd7676023738c04d099f2940a635ff0699717Ben Kwa } else if (then.yearDay != now.yearDay) { 1548e3fd7676023738c04d099f2940a635ff0699717Ben Kwa flags |= DateUtils.FORMAT_SHOW_DATE; 1558e3fd7676023738c04d099f2940a635ff0699717Ben Kwa } else { 1568e3fd7676023738c04d099f2940a635ff0699717Ben Kwa flags |= DateUtils.FORMAT_SHOW_TIME; 1578e3fd7676023738c04d099f2940a635ff0699717Ben Kwa } 1588e3fd7676023738c04d099f2940a635ff0699717Ben Kwa 1598e3fd7676023738c04d099f2940a635ff0699717Ben Kwa return DateUtils.formatDateTime(context, when, flags); 1608e3fd7676023738c04d099f2940a635ff0699717Ben Kwa } 1618e3fd7676023738c04d099f2940a635ff0699717Ben Kwa 162c83baa0574ee9e34c0e06bda1ff08928d880ee36Steve McKay /** 163c83baa0574ee9e34c0e06bda1ff08928d880ee36Steve McKay * A convenient way to transform any list into a (parcelable) ArrayList. 164c83baa0574ee9e34c0e06bda1ff08928d880ee36Steve McKay * Uses cast if possible, else creates a new list with entries from {@code list}. 165c83baa0574ee9e34c0e06bda1ff08928d880ee36Steve McKay */ 166c83baa0574ee9e34c0e06bda1ff08928d880ee36Steve McKay public static <T> ArrayList<T> asArrayList(List<T> list) { 167c83baa0574ee9e34c0e06bda1ff08928d880ee36Steve McKay return list instanceof ArrayList 168c83baa0574ee9e34c0e06bda1ff08928d880ee36Steve McKay ? (ArrayList<T>) list 169988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay : new ArrayList<>(list); 170c83baa0574ee9e34c0e06bda1ff08928d880ee36Steve McKay } 17155c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay 17255c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay /** 173e77419c6b4aecf4eb71b49898d6b63034a0771e4Ben Lin * Returns a condensed stacktrace in String format, separated by \n. 174e77419c6b4aecf4eb71b49898d6b63034a0771e4Ben Lin */ 175e77419c6b4aecf4eb71b49898d6b63034a0771e4Ben Lin public static String getStackTrace(Exception e) { 176e77419c6b4aecf4eb71b49898d6b63034a0771e4Ben Lin StringWriter sw = new StringWriter(); 177e77419c6b4aecf4eb71b49898d6b63034a0771e4Ben Lin PrintWriter pw = new PrintWriter(sw); 178e77419c6b4aecf4eb71b49898d6b63034a0771e4Ben Lin e.printStackTrace(pw); 179e77419c6b4aecf4eb71b49898d6b63034a0771e4Ben Lin return sw.toString(); 180e77419c6b4aecf4eb71b49898d6b63034a0771e4Ben Lin } 181e77419c6b4aecf4eb71b49898d6b63034a0771e4Ben Lin 182e77419c6b4aecf4eb71b49898d6b63034a0771e4Ben Lin /** 18355c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay * Compare two strings against each other using system default collator in a 18406b036f0236149aa8f19a3ededf3d66ba2121a8dTomasz Mikolajewski * case-insensitive mode. Clusters strings prefixed with {@link DIR_PREFIX} 18506b036f0236149aa8f19a3ededf3d66ba2121a8dTomasz Mikolajewski * before other items. 18655c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay */ 18755c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay public static int compareToIgnoreCaseNullable(String lhs, String rhs) { 18855c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay final boolean leftEmpty = TextUtils.isEmpty(lhs); 18955c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay final boolean rightEmpty = TextUtils.isEmpty(rhs); 19055c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay 19155c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay if (leftEmpty && rightEmpty) return 0; 19255c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay if (leftEmpty) return -1; 19355c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay if (rightEmpty) return 1; 19455c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay 19555c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay return sCollator.compare(lhs, rhs); 19655c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay } 197741ac6fffb3ee2441569412a28a1c4f3c2160d87Aga Wronska 198988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay /** 199988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay * Returns the calling package, possibly overridden by EXTRA_PACKAGE_NAME. 200988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay * @param activity 201988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay * @return 202988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay */ 203988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay public static String getCallingPackageName(Activity activity) { 204988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay String callingPackage = activity.getCallingPackage(); 205988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay // System apps can set the calling package name using an extra. 206988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay try { 207988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay ApplicationInfo info = 208988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay activity.getPackageManager().getApplicationInfo(callingPackage, 0); 209988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay if (info.isSystemApp() || info.isUpdatedSystemApp()) { 210988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay final String extra = activity.getIntent().getStringExtra( 211988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay DocumentsContract.EXTRA_PACKAGE_NAME); 21200ee050745f8c3558e7ee93d56abeb0a4ad82472Steve McKay if (extra != null && !TextUtils.isEmpty(extra)) { 213988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay callingPackage = extra; 214988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay } 215988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay } 21600ee050745f8c3558e7ee93d56abeb0a4ad82472Steve McKay } catch (NameNotFoundException e) { 21700ee050745f8c3558e7ee93d56abeb0a4ad82472Steve McKay // Couldn't lookup calling package info. This isn't really 21800ee050745f8c3558e7ee93d56abeb0a4ad82472Steve McKay // gonna happen, given that we're getting the name of the 21900ee050745f8c3558e7ee93d56abeb0a4ad82472Steve McKay // calling package from trusty old Activity.getCallingPackage. 22000ee050745f8c3558e7ee93d56abeb0a4ad82472Steve McKay // For that reason, we ignore this exception. 221988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay } 22200ee050745f8c3558e7ee93d56abeb0a4ad82472Steve McKay return callingPackage; 223988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay } 224988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay 225988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay /** 226988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay * Returns the default directory to be presented after starting the activity. 227988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay * Method can be overridden if the change of the behavior of the the child activity is needed. 228988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay */ 229988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay public static Uri getDefaultRootUri(Activity activity) { 230a0b52655668ccbe3f12ca13ced4b34118a483783Steve McKay return shouldShowDocumentsRoot(activity) 231988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay ? DocumentsContract.buildHomeUri() 232988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay : DocumentsContract.buildRootUri( 2338659cbccc6fbab79fb6855abe9cb31ee8171b37eSteve McKay Providers.AUTHORITY_DOWNLOADS, Providers.ROOT_ID_DOWNLOADS); 234988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay } 235988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay 236741ac6fffb3ee2441569412a28a1c4f3c2160d87Aga Wronska public static boolean isHardwareKeyboardAvailable(Context context) { 237741ac6fffb3ee2441569412a28a1c4f3c2160d87Aga Wronska return context.getResources().getConfiguration().keyboard != Configuration.KEYBOARD_NOKEYS; 238741ac6fffb3ee2441569412a28a1c4f3c2160d87Aga Wronska } 239741ac6fffb3ee2441569412a28a1c4f3c2160d87Aga Wronska 240741ac6fffb3ee2441569412a28a1c4f3c2160d87Aga Wronska public static void ensureKeyboardPresent(Context context, AlertDialog dialog) { 241741ac6fffb3ee2441569412a28a1c4f3c2160d87Aga Wronska if (!isHardwareKeyboardAvailable(context)) { 2428659cbccc6fbab79fb6855abe9cb31ee8171b37eSteve McKay dialog.getWindow().setSoftInputMode( 2438659cbccc6fbab79fb6855abe9cb31ee8171b37eSteve McKay WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE); 244741ac6fffb3ee2441569412a28a1c4f3c2160d87Aga Wronska } 245741ac6fffb3ee2441569412a28a1c4f3c2160d87Aga Wronska } 246741ac6fffb3ee2441569412a28a1c4f3c2160d87Aga Wronska 24764ae1f4e0236cf9ff06e19887c491bf08ee8adceAga Wronska /* 24817f7e5891cbe86fc6cacae045a4edd3e41f8d5eeSteve McKay * Returns true if "Documents" root should be shown. 24917f7e5891cbe86fc6cacae045a4edd3e41f8d5eeSteve McKay */ 250a0b52655668ccbe3f12ca13ced4b34118a483783Steve McKay public static boolean shouldShowDocumentsRoot(Context context) { 251317d65f8153822981ac08b944abde72a7db20104Steve McKay return context.getResources().getBoolean(R.bool.show_documents_root); 25217f7e5891cbe86fc6cacae045a4edd3e41f8d5eeSteve McKay } 25317f7e5891cbe86fc6cacae045a4edd3e41f8d5eeSteve McKay 25417f7e5891cbe86fc6cacae045a4edd3e41f8d5eeSteve McKay /* 25501996bc21961b64ef355325a9ad5c6445c734521Steve McKay * Returns true if the local/device storage root must be visible (this also hides 25601996bc21961b64ef355325a9ad5c6445c734521Steve McKay * the option to toggle visibility in the menu.) 25717f7e5891cbe86fc6cacae045a4edd3e41f8d5eeSteve McKay */ 2586525a19f46eca7fbec21a71f833436823de03da3Steve McKay public static boolean mustShowDeviceRoot(Intent intent) { 2596525a19f46eca7fbec21a71f833436823de03da3Steve McKay return intent.getBooleanExtra(DocumentsContract.EXTRA_SHOW_ADVANCED, false); 26017f7e5891cbe86fc6cacae045a4edd3e41f8d5eeSteve McKay } 26124917427f41f9e41925c4a56d0c71d85e30643dfSteve McKay 2622056205cb85d529d732638c45fe459168168e1eeGarfield, Tan public static void checkMainLoop() { 2632056205cb85d529d732638c45fe459168168e1eeGarfield, Tan if (Looper.getMainLooper() != Looper.myLooper()) { 2642056205cb85d529d732638c45fe459168168e1eeGarfield, Tan Log.e(TAG, "Calling from non-UI thread!"); 2652056205cb85d529d732638c45fe459168168e1eeGarfield, Tan } 2662056205cb85d529d732638c45fe459168168e1eeGarfield, Tan } 26785ec0d676297724f211213c7cb188839f1d3601bSteve McKay 26885ec0d676297724f211213c7cb188839f1d3601bSteve McKay public static @Nullable <T> T findView(Activity activity, int... resources) { 26985ec0d676297724f211213c7cb188839f1d3601bSteve McKay for (int id : resources) { 27085ec0d676297724f211213c7cb188839f1d3601bSteve McKay @SuppressWarnings("unchecked") 27185ec0d676297724f211213c7cb188839f1d3601bSteve McKay T r = (T) activity.findViewById(id); 27285ec0d676297724f211213c7cb188839f1d3601bSteve McKay if (r != null) { 27385ec0d676297724f211213c7cb188839f1d3601bSteve McKay return r; 27485ec0d676297724f211213c7cb188839f1d3601bSteve McKay } 27585ec0d676297724f211213c7cb188839f1d3601bSteve McKay } 27685ec0d676297724f211213c7cb188839f1d3601bSteve McKay return null; 27785ec0d676297724f211213c7cb188839f1d3601bSteve McKay } 278fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay} 279