following is the result of the sample code execution:2016-04-20 11:25:36 runsync pos=12016-04-20 11:25:36 runsync pos=42016-04-20 11:25:36 runSync pos=22016-04-20 11:25:36 ru NSync pos=32016-04-20 11:25:36 runsync pos=02016-04-20 11:25:36 runlock pos=02016-04-20 11:25:37 runLock pos=12016-04-20 11:25:38 runlock pos=22016-04-20 11:25:39 runlock pos=32016-04-20 11:25:40 runlock pos=4As can be seen from the output, in the anonymous inner class, the lock operation of synchronized does not conform t
First open the Android Studio project to find the project directory gradle\wrapper\gradle-wrapper.properties this fileThe contents are as followsDistributionbase=gradle_user_homeDistributionpath=wrapper/distsZipstorebase=gradle_user_homeZipstorepath=wrapper/distsDistributionurl=http\://services.gradle.org/distributions/gradle-2.10.all.zipAndroid Studio will download the Gradle plugin that complies with the current version, and this URL is accessible b
The introduction of someone else's project appeared this is related to gradle cache, my solution is related to the configuration of GragleChange this:Distributionurl=https\://services.gradle.org/distributions/gradle-2.14.1-all.zip and build it again.Someone said delete the. gradle file yes, I did not try not to know, I recommend the configuration file or not easily deleted(This issue has been recorded)Issues with Android Studio when importing project
added to the Blockingqueue, if the blockingqueue can be accommodated, returns True, otherwise false.Offer (E,time,unit): Adds element e to Blockingqueue, returns true if Blockingqueue can accommodate, or waits for the specified blockingqueue to continue adding.Put (E): add element E to Blockingqueue, if Blockingqueue cannot accommodate, the thread calling this method is blocked until Blockingqueue has space to continue adding.Take () takes the blockingqueue of the line in the first row of the o
Android Studio Build Project ErrorError:unable to start the daemon Process:could is not a reserve enough space for object heap.Please assign more memory to Gradle in the project ' s gradle.properties file.For example, the following line, in the Gradle.properties file, sets the maximum Java heap size to 1,024 MB:Modify the project Gradle.properties file, add the following line of code that already exists, and change org.gradle.jvmargs=-xmx512m:Android
If you encounter an inability to sync the impression notes, how should you solve it?
The first: the synchronized flow of the impression notes is used up. If the free account, 60MB monthly upload space, more than words can not be used, so pay attention to the flow of use;
The second kind: may be our equipment connection is not smooth, cannot connect the network
My Android notes-my knowledge about android and my Android notes-androidAfter coding for such a long time, I recorded some of my concepts about Android. Most of the content below is sourced from network information and official do
Android notes-data storage in Android (3), android notes
The Android system integrates a lightweight database:SQLiteTherefore, Android supports databases very well and every application
[Android learning notes] Android Studio development environment under Mac, android learning notes
For mobile terminals, I have been developing iOS for the past, and I have never used Java. However, it entered the finals of the Google And
[Android Notes] Android calculates the folder size, deletes all files in the folder, and android notes
1. Get the folder size:
1/** 2 * Get the folder size 3 * @ param file File instance 4 * @ return long 5 */6 public static long getFolderSize (java. io. file file) {7 8 long
[Android Notes] use and implementation of the pull-down and refresh components and Android notes drop-down ComponentsIf you need to implement pull-down refresh in a project, you can choose from the following options:1. Use the open-source library Android-pullToRefresh.2. Use
[1] Android learning notes [the first android program], Android android
1. java JDK configure java System Variables
Java JDK
Please install it on Baidu
Configure java System Variables
1. Open my computer -- properties -- Advanced -- Environment Variables
2. Create System va
Android learning notes-use of remote services and android learning notes --1. AIDL and Binder
The Activity, Content Provider, Broadcast, and Service components of the Android system can transmit data across processes.
Activity can call the activities of other processes impli
Android learning notes: internal storage of data; practice Data Reading and writing; storage to Cache for reading and writing; android learning notes
(1) directory structure
(2) Layout file:
(3) tool class for saving and reading data: FileService. java
Package com. example. data_storage_interal.file; import java.
Android learning notes (Broadcast Mechanism) and android learning notes
1. Introduction to the broadcast mechanism of Android
Listening to a radio is also a kind of broadcast. There are many radio stations in the radio, and the content played by each radio station is differe
Old Deng's android Study Notes (2)-Android gets screen resolutions in N ways, android-android
Android gets the screen resolution
Method 1: the simplest method
12
intscreenWidth=getWindowManager().getDefaultDisplay().ge
Android learning notes-Menu (2), android learning notes
Knowledge point:
This time, we will continue the learning of menus not finished in the previous article, Context Menu and pop-up menu ).
Context Menu
The Context Menu provides operations on specific items or context frameworks on the UI interface, just like
Use of Menu level 1 Menu and level 2 Menu of Android learning notes, and android learning notes
(1) No changes have been made to the layout file.
(2) the code in the main. xml file under the res -- menu directory is as follows:
(3) In the string. xml file under the values directory:
(3) The MainActivity. java code
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