Shared.java revision da2c0f0b075ad9f770182e706c2ec158989568a7
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; 37da2c0f0b075ad9f770182e706c2ec158989568a7Garfield Tanimport com.android.documentsui.ui.MessageBuilder; 38d9caa6ab53aa784acaf241c0ded3c4ae2d342bf8Steve McKay 39e77419c6b4aecf4eb71b49898d6b63034a0771e4Ben Linimport java.io.PrintWriter; 40e77419c6b4aecf4eb71b49898d6b63034a0771e4Ben Linimport java.io.StringWriter; 4155c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKayimport java.text.Collator; 42c83baa0574ee9e34c0e06bda1ff08928d880ee36Steve McKayimport java.util.ArrayList; 43c83baa0574ee9e34c0e06bda1ff08928d880ee36Steve McKayimport java.util.List; 44c83baa0574ee9e34c0e06bda1ff08928d880ee36Steve McKay 4585ec0d676297724f211213c7cb188839f1d3601bSteve McKayimport javax.annotation.Nullable; 4685ec0d676297724f211213c7cb188839f1d3601bSteve McKay 474d0255f79cc92a5675d14b20f9cdf06ecb8d7109Steve McKay/** @hide */ 48fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKaypublic final class Shared { 4955c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay 500af8afd3309538dec784ed0c9c35b252a8213123Steve McKay public static final String TAG = "Documents"; 510af8afd3309538dec784ed0c9c35b252a8213123Steve McKay 522e809a14468df6437ccd1b147b421553e6a06a7eGarfield, Tan public static final boolean DEBUG = true; 5330535bce902104c97bbf70783d684ee673cb7637Steve McKay public static final boolean VERBOSE = DEBUG && Log.isLoggable(TAG, Log.VERBOSE); 540af8afd3309538dec784ed0c9c35b252a8213123Steve McKay 55ae96780a8909476dca709b88dbae5ec9a2f0632cBen Kwa /** Intent action name to pick a copy destination. */ 56ae96780a8909476dca709b88dbae5ec9a2f0632cBen Kwa public static final String ACTION_PICK_COPY_DESTINATION = 57ae96780a8909476dca709b88dbae5ec9a2f0632cBen Kwa "com.android.documentsui.PICK_COPY_DESTINATION"; 58ae96780a8909476dca709b88dbae5ec9a2f0632cBen Kwa 59ae96780a8909476dca709b88dbae5ec9a2f0632cBen Kwa /** 601686883a8d049b399e34954a4feaa98490277ae8Garfield Tan * Extra boolean flag for {@link #ACTION_PICK_COPY_DESTINATION}, which 61ae96780a8909476dca709b88dbae5ec9a2f0632cBen Kwa * specifies if the destination directory needs to create new directory or not. 62ae96780a8909476dca709b88dbae5ec9a2f0632cBen Kwa */ 63ae96780a8909476dca709b88dbae5ec9a2f0632cBen Kwa public static final String EXTRA_DIRECTORY_COPY = "com.android.documentsui.DIRECTORY_COPY"; 6417f7e5891cbe86fc6cacae045a4edd3e41f8d5eeSteve McKay 6517f7e5891cbe86fc6cacae045a4edd3e41f8d5eeSteve McKay /** 6617f7e5891cbe86fc6cacae045a4edd3e41f8d5eeSteve McKay * Extra flag used to store the current stack so user opens in right spot. 6717f7e5891cbe86fc6cacae045a4edd3e41f8d5eeSteve McKay */ 68af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska public static final String EXTRA_STACK = "com.android.documentsui.STACK"; 69af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska 70af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska /** 71af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska * Extra flag used to store query of type String in the bundle. 72af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska */ 73af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska public static final String EXTRA_QUERY = "query"; 74af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska 75af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska /** 76af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska * Extra flag used to store state of type State in the bundle. 77af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska */ 78af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska public static final String EXTRA_STATE = "state"; 79af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska 80af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska /** 81af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska * Extra flag used to store root of type RootInfo in the bundle. 82af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska */ 83af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska public static final String EXTRA_ROOT = "root"; 84af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska 85af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska /** 86af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska * Extra flag used to store document of DocumentInfo type in the bundle. 87af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska */ 88af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska public static final String EXTRA_DOC = "document"; 89af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska 90af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska /** 91af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska * Extra flag used to store DirectoryFragment's selection of Selection type in the bundle. 92af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska */ 93af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska public static final String EXTRA_SELECTION = "selection"; 94af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska 95af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska /** 96af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska * Extra flag used to store DirectoryFragment's ignore state of boolean type in the bundle. 97af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska */ 98af5ace5d5e3a273b151e012206efd029c2872b59Aga Wronska public static final String EXTRA_IGNORE_STATE = "ignoreState"; 99ae96780a8909476dca709b88dbae5ec9a2f0632cBen Kwa 100b8373c22f1bacf194c35a45dde337cad2e904587Tomasz Mikolajewski /** 101b8373c22f1bacf194c35a45dde337cad2e904587Tomasz Mikolajewski * Extra for an Intent for enabling performance benchmark. Used only by tests. 102b8373c22f1bacf194c35a45dde337cad2e904587Tomasz Mikolajewski */ 103b8373c22f1bacf194c35a45dde337cad2e904587Tomasz Mikolajewski public static final String EXTRA_BENCHMARK = "com.android.documentsui.benchmark"; 104b8373c22f1bacf194c35a45dde337cad2e904587Tomasz Mikolajewski 1052ccad1e19bb5e9308ff06c90327de99cc509f613Tomasz Mikolajewski /** 1062ccad1e19bb5e9308ff06c90327de99cc509f613Tomasz Mikolajewski * Maximum number of items in a Binder transaction packet. 1072ccad1e19bb5e9308ff06c90327de99cc509f613Tomasz Mikolajewski */ 10884769b8205cf4a100c9d4f65c41cf72ba7a3b40fSteve McKay public static final int MAX_DOCS_IN_INTENT = 500; 1092ccad1e19bb5e9308ff06c90327de99cc509f613Tomasz Mikolajewski 11083ac678e3ee261f3413486b4a2f9bd6337a820a8Steve McKay /** 11183ac678e3ee261f3413486b4a2f9bd6337a820a8Steve McKay * Animation duration of checkbox in directory list/grid in millis. 11283ac678e3ee261f3413486b4a2f9bd6337a820a8Steve McKay */ 11383ac678e3ee261f3413486b4a2f9bd6337a820a8Steve McKay public static final int CHECK_ANIMATION_DURATION = 100; 11483ac678e3ee261f3413486b4a2f9bd6337a820a8Steve McKay 11555c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay private static final Collator sCollator; 11655c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay 11755c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay static { 11855c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay sCollator = Collator.getInstance(); 11955c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay sCollator.setStrength(Collator.SECONDARY); 12055c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay } 12155c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay 122919231857d2add3afe51f06aaf41663a252c3e0eBen Kwa /** 123da2c0f0b075ad9f770182e706c2ec158989568a7Garfield Tan * @deprecated use {@link MessageBuilder#getQuantityString} 124919231857d2add3afe51f06aaf41663a252c3e0eBen Kwa */ 1255b0a2c187a9e446b683687817d22cbe443585223Steve McKay @Deprecated 1265b0a2c187a9e446b683687817d22cbe443585223Steve McKay public static final String getQuantityString(Context context, @PluralsRes int resourceId, int quantity) { 127919231857d2add3afe51f06aaf41663a252c3e0eBen Kwa return context.getResources().getQuantityString(resourceId, quantity, quantity); 128919231857d2add3afe51f06aaf41663a252c3e0eBen Kwa } 1298e3fd7676023738c04d099f2940a635ff0699717Ben Kwa 1308e3fd7676023738c04d099f2940a635ff0699717Ben Kwa public static String formatTime(Context context, long when) { 1318e3fd7676023738c04d099f2940a635ff0699717Ben Kwa // TODO: DateUtils should make this easier 1328e3fd7676023738c04d099f2940a635ff0699717Ben Kwa Time then = new Time(); 1338e3fd7676023738c04d099f2940a635ff0699717Ben Kwa then.set(when); 1348e3fd7676023738c04d099f2940a635ff0699717Ben Kwa Time now = new Time(); 1358e3fd7676023738c04d099f2940a635ff0699717Ben Kwa now.setToNow(); 1368e3fd7676023738c04d099f2940a635ff0699717Ben Kwa 1378e3fd7676023738c04d099f2940a635ff0699717Ben Kwa int flags = DateUtils.FORMAT_NO_NOON | DateUtils.FORMAT_NO_MIDNIGHT 1388e3fd7676023738c04d099f2940a635ff0699717Ben Kwa | DateUtils.FORMAT_ABBREV_ALL; 1398e3fd7676023738c04d099f2940a635ff0699717Ben Kwa 1408e3fd7676023738c04d099f2940a635ff0699717Ben Kwa if (then.year != now.year) { 1418e3fd7676023738c04d099f2940a635ff0699717Ben Kwa flags |= DateUtils.FORMAT_SHOW_YEAR | DateUtils.FORMAT_SHOW_DATE; 1428e3fd7676023738c04d099f2940a635ff0699717Ben Kwa } else if (then.yearDay != now.yearDay) { 1438e3fd7676023738c04d099f2940a635ff0699717Ben Kwa flags |= DateUtils.FORMAT_SHOW_DATE; 1448e3fd7676023738c04d099f2940a635ff0699717Ben Kwa } else { 1458e3fd7676023738c04d099f2940a635ff0699717Ben Kwa flags |= DateUtils.FORMAT_SHOW_TIME; 1468e3fd7676023738c04d099f2940a635ff0699717Ben Kwa } 1478e3fd7676023738c04d099f2940a635ff0699717Ben Kwa 1488e3fd7676023738c04d099f2940a635ff0699717Ben Kwa return DateUtils.formatDateTime(context, when, flags); 1498e3fd7676023738c04d099f2940a635ff0699717Ben Kwa } 1508e3fd7676023738c04d099f2940a635ff0699717Ben Kwa 151c83baa0574ee9e34c0e06bda1ff08928d880ee36Steve McKay /** 152c83baa0574ee9e34c0e06bda1ff08928d880ee36Steve McKay * A convenient way to transform any list into a (parcelable) ArrayList. 153c83baa0574ee9e34c0e06bda1ff08928d880ee36Steve McKay * Uses cast if possible, else creates a new list with entries from {@code list}. 154c83baa0574ee9e34c0e06bda1ff08928d880ee36Steve McKay */ 155c83baa0574ee9e34c0e06bda1ff08928d880ee36Steve McKay public static <T> ArrayList<T> asArrayList(List<T> list) { 156c83baa0574ee9e34c0e06bda1ff08928d880ee36Steve McKay return list instanceof ArrayList 157c83baa0574ee9e34c0e06bda1ff08928d880ee36Steve McKay ? (ArrayList<T>) list 158988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay : new ArrayList<>(list); 159c83baa0574ee9e34c0e06bda1ff08928d880ee36Steve McKay } 16055c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay 16155c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay /** 162e77419c6b4aecf4eb71b49898d6b63034a0771e4Ben Lin * Returns a condensed stacktrace in String format, separated by \n. 163e77419c6b4aecf4eb71b49898d6b63034a0771e4Ben Lin */ 164e77419c6b4aecf4eb71b49898d6b63034a0771e4Ben Lin public static String getStackTrace(Exception e) { 165e77419c6b4aecf4eb71b49898d6b63034a0771e4Ben Lin StringWriter sw = new StringWriter(); 166e77419c6b4aecf4eb71b49898d6b63034a0771e4Ben Lin PrintWriter pw = new PrintWriter(sw); 167e77419c6b4aecf4eb71b49898d6b63034a0771e4Ben Lin e.printStackTrace(pw); 168e77419c6b4aecf4eb71b49898d6b63034a0771e4Ben Lin return sw.toString(); 169e77419c6b4aecf4eb71b49898d6b63034a0771e4Ben Lin } 170e77419c6b4aecf4eb71b49898d6b63034a0771e4Ben Lin 171e77419c6b4aecf4eb71b49898d6b63034a0771e4Ben Lin /** 17255c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay * Compare two strings against each other using system default collator in a 17306b036f0236149aa8f19a3ededf3d66ba2121a8dTomasz Mikolajewski * case-insensitive mode. Clusters strings prefixed with {@link DIR_PREFIX} 17406b036f0236149aa8f19a3ededf3d66ba2121a8dTomasz Mikolajewski * before other items. 17555c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay */ 17655c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay public static int compareToIgnoreCaseNullable(String lhs, String rhs) { 17755c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay final boolean leftEmpty = TextUtils.isEmpty(lhs); 17855c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay final boolean rightEmpty = TextUtils.isEmpty(rhs); 17955c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay 18055c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay if (leftEmpty && rightEmpty) return 0; 18155c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay if (leftEmpty) return -1; 18255c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay if (rightEmpty) return 1; 18355c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay 18455c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay return sCollator.compare(lhs, rhs); 18555c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay } 186741ac6fffb3ee2441569412a28a1c4f3c2160d87Aga Wronska 187988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay /** 188988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay * Returns the calling package, possibly overridden by EXTRA_PACKAGE_NAME. 189988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay * @param activity 190988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay * @return 191988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay */ 192988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay public static String getCallingPackageName(Activity activity) { 193988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay String callingPackage = activity.getCallingPackage(); 194988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay // System apps can set the calling package name using an extra. 195988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay try { 196988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay ApplicationInfo info = 197988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay activity.getPackageManager().getApplicationInfo(callingPackage, 0); 198988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay if (info.isSystemApp() || info.isUpdatedSystemApp()) { 199988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay final String extra = activity.getIntent().getStringExtra( 200988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay DocumentsContract.EXTRA_PACKAGE_NAME); 20100ee050745f8c3558e7ee93d56abeb0a4ad82472Steve McKay if (extra != null && !TextUtils.isEmpty(extra)) { 202988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay callingPackage = extra; 203988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay } 204988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay } 20500ee050745f8c3558e7ee93d56abeb0a4ad82472Steve McKay } catch (NameNotFoundException e) { 20600ee050745f8c3558e7ee93d56abeb0a4ad82472Steve McKay // Couldn't lookup calling package info. This isn't really 20700ee050745f8c3558e7ee93d56abeb0a4ad82472Steve McKay // gonna happen, given that we're getting the name of the 20800ee050745f8c3558e7ee93d56abeb0a4ad82472Steve McKay // calling package from trusty old Activity.getCallingPackage. 20900ee050745f8c3558e7ee93d56abeb0a4ad82472Steve McKay // For that reason, we ignore this exception. 210988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay } 21100ee050745f8c3558e7ee93d56abeb0a4ad82472Steve McKay return callingPackage; 212988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay } 213988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay 214988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay /** 215988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay * Returns the default directory to be presented after starting the activity. 216988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay * Method can be overridden if the change of the behavior of the the child activity is needed. 217988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay */ 218988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay public static Uri getDefaultRootUri(Activity activity) { 219a0b52655668ccbe3f12ca13ced4b34118a483783Steve McKay return shouldShowDocumentsRoot(activity) 220988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay ? DocumentsContract.buildHomeUri() 221988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay : DocumentsContract.buildRootUri( 2228659cbccc6fbab79fb6855abe9cb31ee8171b37eSteve McKay Providers.AUTHORITY_DOWNLOADS, Providers.ROOT_ID_DOWNLOADS); 223988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay } 224988d8a354b00dce7e24deee187c08a4591956ac9Steve McKay 225741ac6fffb3ee2441569412a28a1c4f3c2160d87Aga Wronska public static boolean isHardwareKeyboardAvailable(Context context) { 226741ac6fffb3ee2441569412a28a1c4f3c2160d87Aga Wronska return context.getResources().getConfiguration().keyboard != Configuration.KEYBOARD_NOKEYS; 227741ac6fffb3ee2441569412a28a1c4f3c2160d87Aga Wronska } 228741ac6fffb3ee2441569412a28a1c4f3c2160d87Aga Wronska 229741ac6fffb3ee2441569412a28a1c4f3c2160d87Aga Wronska public static void ensureKeyboardPresent(Context context, AlertDialog dialog) { 230741ac6fffb3ee2441569412a28a1c4f3c2160d87Aga Wronska if (!isHardwareKeyboardAvailable(context)) { 2318659cbccc6fbab79fb6855abe9cb31ee8171b37eSteve McKay dialog.getWindow().setSoftInputMode( 2328659cbccc6fbab79fb6855abe9cb31ee8171b37eSteve McKay WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE); 233741ac6fffb3ee2441569412a28a1c4f3c2160d87Aga Wronska } 234741ac6fffb3ee2441569412a28a1c4f3c2160d87Aga Wronska } 235741ac6fffb3ee2441569412a28a1c4f3c2160d87Aga Wronska 236b0cbd6b0b18ea740524808b5af1f99aff628ee3bTomasz Mikolajewski /** 23717f7e5891cbe86fc6cacae045a4edd3e41f8d5eeSteve McKay * Returns true if "Documents" root should be shown. 23817f7e5891cbe86fc6cacae045a4edd3e41f8d5eeSteve McKay */ 239a0b52655668ccbe3f12ca13ced4b34118a483783Steve McKay public static boolean shouldShowDocumentsRoot(Context context) { 240317d65f8153822981ac08b944abde72a7db20104Steve McKay return context.getResources().getBoolean(R.bool.show_documents_root); 24117f7e5891cbe86fc6cacae045a4edd3e41f8d5eeSteve McKay } 24217f7e5891cbe86fc6cacae045a4edd3e41f8d5eeSteve McKay 24317f7e5891cbe86fc6cacae045a4edd3e41f8d5eeSteve McKay /* 24401996bc21961b64ef355325a9ad5c6445c734521Steve McKay * Returns true if the local/device storage root must be visible (this also hides 24501996bc21961b64ef355325a9ad5c6445c734521Steve McKay * the option to toggle visibility in the menu.) 24617f7e5891cbe86fc6cacae045a4edd3e41f8d5eeSteve McKay */ 2476525a19f46eca7fbec21a71f833436823de03da3Steve McKay public static boolean mustShowDeviceRoot(Intent intent) { 2486525a19f46eca7fbec21a71f833436823de03da3Steve McKay return intent.getBooleanExtra(DocumentsContract.EXTRA_SHOW_ADVANCED, false); 24917f7e5891cbe86fc6cacae045a4edd3e41f8d5eeSteve McKay } 25024917427f41f9e41925c4a56d0c71d85e30643dfSteve McKay 2512056205cb85d529d732638c45fe459168168e1eeGarfield, Tan public static void checkMainLoop() { 2522056205cb85d529d732638c45fe459168168e1eeGarfield, Tan if (Looper.getMainLooper() != Looper.myLooper()) { 2532056205cb85d529d732638c45fe459168168e1eeGarfield, Tan Log.e(TAG, "Calling from non-UI thread!"); 2542056205cb85d529d732638c45fe459168168e1eeGarfield, Tan } 2552056205cb85d529d732638c45fe459168168e1eeGarfield, Tan } 25685ec0d676297724f211213c7cb188839f1d3601bSteve McKay 25785ec0d676297724f211213c7cb188839f1d3601bSteve McKay public static @Nullable <T> T findView(Activity activity, int... resources) { 25885ec0d676297724f211213c7cb188839f1d3601bSteve McKay for (int id : resources) { 25985ec0d676297724f211213c7cb188839f1d3601bSteve McKay @SuppressWarnings("unchecked") 26085ec0d676297724f211213c7cb188839f1d3601bSteve McKay T r = (T) activity.findViewById(id); 26185ec0d676297724f211213c7cb188839f1d3601bSteve McKay if (r != null) { 26285ec0d676297724f211213c7cb188839f1d3601bSteve McKay return r; 26385ec0d676297724f211213c7cb188839f1d3601bSteve McKay } 26485ec0d676297724f211213c7cb188839f1d3601bSteve McKay } 26585ec0d676297724f211213c7cb188839f1d3601bSteve McKay return null; 26685ec0d676297724f211213c7cb188839f1d3601bSteve McKay } 267fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay} 268