gettag android

A brief introduction of Android studioThe Android Studio IDE (Android Platform integrated development Environment) was first released by the GOOGLEI/O conference in 2013. It is based on the IntelliJ idea development environment and is designed to replace Eclipse and ADT (the Android Developer Tool) to provide developer

;Import android. widget. ImageView; Public class Adpter extends BaseAdapter {Private int [] image;Private boolean isChice [];Private Context context; Public Adpter (int [] im, Context context ){This. image = im;Log. I ("hck", im. length + "lenght ");IsChice = new boolean [im. length];For (int I = 0; I IsChice [I] = false;}This. context = context;} @ OverridePublic int getCount (){Return image. length;} @ OverridePublic Object getItem (int arg0 ){Retur

Use the android SpannableStringBuilder to implement text-and-image mixing. For more information, see This effect must be achieved in project development There are two additional rows. The last two rows are the ellipsis. Previously, I used Html. fromHtml to process text-and-text mixing. It is only the text after the image or text color font or something, However, you need to add an image after the ellipsis of the last text. VcD4KPHA + signature/

Performance Optimization for Android and Android Performance optimization is a major category. If someone asks you how to optimize performance in Android, you may not know where to start. The first thing we need to understand is why our App needs to be optimized. The most obvious time is that the user says, what shit, and the brush hasn't responded for so long. J

Android Android-android Application Structure Analysis (4), android Application Development Description of the automatically generated R. java File 1 public final class R { 2 public static final class attr { 3 } 4 public static final class dimen { 5 /** Default screen margins, per the

For the development platform, if the data storage has good support, then the development of the application will have a great role in promoting. In general, there are three ways to store data: One is a file, one is a database, and the other is a network. Where files and databases may be used a little more, the file is easy to use, the program can define its own format; The database used a bit annoying lock some, but it has its advantages, such as in the massive data performance is superior, the

Frame Android Studio Downloads installation and configuration development environment tutorialHttp://www.111cn.net/sj/android/74261.htm Win7x64 Android Stuido installation and building development environment problem solvingHttp://www.111cn.net/sj/android/74265.htm Mac Download install

getChildView (int groupPosition, int childPosition, boolean isLastChild, View convertView, ViewGroup parent) {120 ViewHolder VL; 121 if (convertView = null) {122 convertView = getLayoutInflater (). inflate (R. layout. child_layout, null); 123 consecutive seconds = new ViewHolder (); 124 consecutive seconds. TV = (TextView) convertView. findViewById (R. id. TV _item); 125 consecutive seconds. iv = (ImageView) convertView. findViewById (R. id. (iv_item); 126 convertView. setTag (vh); 127} 128 VL

Objective: Today it's still a hot topic around the recent interview. Android 6.0 right fit to sum up learning, in fact, Android 6.0 rights matching our company is only started this May, is relatively late, but now Android more than 6.0 devices more and more, So the Android 6.0 privilege is essential, and here's how ou

clicked separately by the parent or child, and which parent or subkey. in the Expandablelistview response Onitemlongckick method, the value of the POS parameter is: From top to bottom, parent + show the number of subkeys to the click Position (Note: is displayed, hidden subkeys are not included, starting from 0). For example:Parent 1 (Hide 3 subkeys) Parent Item 2 |-Child Item 2-0 |-Child Item 2-1 |-Child Item 2-2 The POS value is 3 when a long press subkey is 2-1. Obviously, depending on the

Objective: File storage is pretty familiar to us in the process of doing app development, but since the Android 6.0 release, access to external sdcard based on runtime permissions is required to dynamically request permissions, So the previous direct SDcard root directory directly created a xxx/cache/directory to do file storage is not so easy to control, so it is necessary to rethink the knowledge of the Android