list of android versions

Java basics of Android-a blood case caused by a list box and Practical Application of java packing and unpacking To improve code encapsulation and readability, I pulled some of the AsyncTask inheritance internal classes that I had previously worked on to a single folder, but this pull made a mistake! My application business is that there is a min_question_id (int) to record the currently read server-side da

Android updates the APN list. After OTA is upgraded, it takes effect immediately after it is started.The update of the APN list is valid only after the factory settings are restored after the OTA update. The update takes effect immediately after the upgrade.The OTA update includes three regions: boot, recovery, system,The APN is a DATA domain and OTA update is no

In Android development, you will inevitably encounter a lot of data loaded into the ListView to display,Then one of the most important data-passing bridges adapter adapters are commonly used, as the market needsFind the content in the ListView ' entry is getting more and more this requires programmers to customize the adapter,And the key is the adapter optimization problem, the adapter is not optimized often will cause oom(memory overflow) or sliding

This article will be implemented in the micro-letter 6.1 Click on the top menu bar "+" button, a list box pops up. Here is the activity to achieve, in fact, the best way to use Actionbar, but this product seems to support only 3.0 later version. This article is followed by the Android imitation micro-letter at the bottom of the menu bar + top menu bar . Effect First, imitation micro-letter Drop-down

Android development scans nearby wifi hotspots and displays the list, androidwifi The Wi-Fi module has been used in recent projects. Today we will make a simple summary. Reference: http://www.2cto.com/kf/201310/253617.html1. To obtain a Wi-Fi object and perform operations on the wifi device, you must first obtain Context. getSystemService (Context. WIFI_SERVICE) to obtain the WifiManager object and use this

This article describes how to obtain a list of sensors supported by your Android device.Currently, Android 4.4 (API level 19) supports the following sensors:Type_accelerometer Accelerometer, Unit m/s2, measurement of the accelerometer type values (sensors type) applied to the device x, Y, Z axes: 1 (0x00000001) Type_ambient_ Temperature temperature sensor, Unit i

Android Material Design-Creating Lists and Cards (create list and card)-(3 ), Reprinted please indicate the source: http://blog.csdn.net/bbld_/article/details/40430319 To use the material design style in your app to create complex lists and cards (layout Interface), you can use the RecyclerView and CardView controls. Create list The RecyclerView control is more

Recently, bloggers are learning frangment framework, so they want to think about it through the listfragment to get the WiFi list.Good!Don't talk nonsense now.I. Basic knowledge of WIFIThe following five statuses are defined in the official Android documentation:Wifi_state_disabling? WiFi card is shutting down? 0wifi_state_disabled? WiFi nic not available? 1wifi_state_enabling?? WiFi card is open? 2wifi_state_enabled?? WiFi nic available? 3Wifi_state_

When we develop the app, we often encounter the need for multilevel list display. The Android Native SDK does not have a level 3 level 4 or more list control at all.So we're going to implement a treelistview-like control, and here's an effect chart from my project that supports multilevel list extensions. There are

Preface: For XStream do not understand, please see:Android XMl parsing Magic XStream: Parse aa.xml file under Asset folder in Android projectAndroid XML parsing Magic XStream II: Converting objects to XMLAndroid XML parsing Magic XStream Three: Transforming complex objects into XMLAndroid XML parsing Magic XStream Four: parsing complex XMl files into objectsAndroid XML parsing Magic XStream Five: Transforming complex objects into XML and writing XML f