gettag android

blue areas. Tips: Overdraw is sometimes caused by a large number of overlapping parts in your UI layout, and sometimes because of non-necessary overlapping backgrounds. For example, an Activity has a background, Layout has its own background, and the Child View has its own background. Only remove unnecessary background images, which can reduce the red Overdraw area and increase the proportion of the blue area. This measure can significantly improve program performance. Note: To get more about

Use Android Handler asynchronous message processing mechanism to create a powerful image loading class Recently, a group was created to facilitate communication. Group Number:55032675 The previous blog introduced the Android asynchronous Message processing mechanism. If you do not know about it, you can see: Android asynchronous Message processing allows you to

the listview layer inside Package com. nest. adapt; import java. util. list; import android. content. context; import android. view. view; import android. view. viewGroup; import android. widget. textView; import com. nest. activity. r; import com. nest. base. baseObjectListAdapter; import com. nest. entity. entity;

[Android] Build an android development environment in Eclipse, Android android This article was written on February 13. Home: http://www.cnblogs.com/game-testing/ Build an android development environment under Eclipse Preface: There are a variety of

According to authoritative data show: The current most user-focused smartphone operating system is Android mobile operating system, access to the 70%.1, iOS and Aliyun "Cottage Android" is 15.9% and 2.9% respectively. For this is just launched by the vast number of developers love products. I believe that there are many friends have doubts, today I will summarize my experience of

Tags: Java_home Item code advanced swipe enter Eclips EVEL activity 2.1 Google Ecosystem 2.1.1 Android Studio First Experience 2.1.2 Android Studio Configuration 2.2 Android Advanced usage tips 2.2.1 Update SDK 2.2.2 Android Studio Common interface

methods of view are very simple, when actually writing code, a view is not just to display some strings, pictures, and sometimes we need them to carry some other data so that we can recognize the view or other operations. So the Android designers created the Settag (Object) method to hold some data and view bindings, and we can understand that this is the label of the view as well as the view as a container to hold some data. We can also use the

[Qt for Android] The first android program, Android android1)First, you need to download the Qt SDK for Qt for android from the official website.2)Download android-related sdks. You do not need to find them. The corresponding download link is available in the

again. The findViewById () method of View is also time-consuming. Therefore, you must consider calling it only once. Then you can use the View. getTag () method to obtain the ViewHolder object. 3. Use ViewHolder elegantly When ViewHolder is used, the findViewById is repeated each time, and the View definition is added to the ViewHolder over and over again. If there are more views, isn't it annoying, the base-adapter-helper class library seems to solv

Android Learning Series (41)-simple use of Android Studio, android-android1. Environment UBUNTU 14.04 + Android Studio 0.8.22. Install jdk Openjdk-7 is a good choice: sudo apt-get updatesudo apt-get install openjdk-7-jdkIt is not excluded that you need to select a default version: sudo update-alternatives --config

1. Download the Extract SDK Download the Weibo Android SDK Pack first: Open URL: https://github.com/sinaweibosdk/weibo_android_sdk Download the SDK to the local, unpacked directory structure: Click to enter the "DEMO-SRC" directory, the structure is as follows: Import all two of the above items into eclipse!! 2. Lead Demo to eclipse The file encoding for two items was modified

As for the benefits of Android Studio I don't have to say the following two is enough for you to switch to Android Studio: 1, Android Studio is officially designated by Google, the current official website has been removed from the ADT, you can be in the Android Web site to view, currently only

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 documents. 1. The core of the Android operating

. iamge, convertView. findViewById (R. id. iamge ));}(TextView) convertView. getTag (R. id. text). setText (listData. get (position ));Int id = position % 2 = 1? R. drawable. icon: R. drawable. default_head;(ImageView) convertView. getTag (R. id. iamge). setImageResource (id ); As you can see. The final result is similar to optimization 1. Maybe the results are not very accurate, but at least we know how to

Android Studio tutorial-Android Studio 2.1 installation and configuration, android-android1. Download Android Studio Go to the official website https://developer.android.com/studio/index.html to download the latest version of Android Studio2.1 (bring your own ladder) Or copy

. imageview;Import Android. widget. textview;Import Android. widget. Toast;Import Android. widget. togglebutton; Public class myadapter extends baseadapter { Private context;Private list Public myadapter (context, list This. Context = context;This. Dogs = dogs;} @ OverridePublic int getcount (){Return dogs. Size ();} @ OverridePublic object getitem (INT position

void onClick (View v ){Int tag = (Integer) v. getTag ();Switch (tag ){Case 1:Intent music = new Intent (Intent. ACTION_GET_CONTENT );Music. setType ("audio /*");StartActivity (Intent. createChooser (music, "Select music "));Break;Case 2:Intent dial = new Intent ();Dial. setAction ("android. intent. action. CALL ");Dial. setData (Uri. parse ("tel: 13428720000 "));StartActivity (dial );Break;Case 3:Intent wa

At the end of May this year, Google was completely blocked by the wall, all Google's website can not visit, this time including the android.org,googlesource.com,code.google.com. Android's official resources are inaccessible, and it's certainly difficult to download the Android code. This article is to solve this problem--to explain how to make download from Github.com/andorid andorid the latest source code. As the saying goes, "to give the

[Android performance optimization series] memory basics-how to manage memory for Android, android-android If you like my blog, please pay attention to my Weibo, please click here (http://weibo.com/kifile), thank you Reprinted please indicate the source (http://blog.csdn.net/kifile), thank you again Address: http://de

Android: Gravity/Android: layout_gravityDifferences: Android: gravity is used to set the position of the content in the view relative to the view. For example, set the text in the button to the left and center of the view. Android: layout_gravity is used to set the relative position of the view and its parent view. For