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Android performance optimization is mainly divided into two points 1, layout optimization 2, memory optimization Layout optimization First look at the layout optimization, the system in the rendering UI will consume a lot of resources, so, the layout of the optimization is particularly important Avoid overdraw Which is to avoid excessive rendering, excessive rendering will waste more resources, for example, the

The development of Android using the Android-query framework can be fast, much less than the traditional development of Android code to write a lot of, easy to read and other advantages. Download the document and its example and package address: http://code.google.com/p/android-query/ Here are some of the lessons I l

This article is an example of the Android Open-source approach to customizing the Android shutdown interface. Share to everyone for your reference. Specifically as follows: In the Android system, a long press power key by default will eject the dialog box to allow you to choose "Flight Mode", "mute", "shutdown" and other functions. As shown in the following illu

The general installation method of Android is very simple. Needless to say. Because the general installation method is slow, it takes several hours for the average user to wait. For faster installation, you can use an offline installation method. That is, download the required packages and then install them. First download the sdkinstallation package, and unzip android-sdk_r06-windows.zip (Installation Too

Tell me what I'm trying to do before I finish this example. First, modify the "Actionbarsherlock" navigation example. Before I implemented this example, I tried "actionbarsherlock" to modify one of its tab navigation examples, and the modification was successful. But finally found that it is not a actionbar implementation of the tab, can not hide Actionbar, when the Actionbar hide method is invoked, Actionbar is hidden, but the title of the tab page still exists, And in the lower version of

Android Phone Daemon can't close workaround The problem with Android's back-end is entirely due to the Android broadcast system. In simple terms, when a user installs a program, the system will record the function of the program like the interviewer, when the user is using the mobile phone, the system state changes will produce various events, these events need some program to process, the system will send

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

system editor to add a contact (all valid ): Intent intent = newintent (intent. action_insert_or_edit ); Intent. settype (people. content_item_type ); Intent. putextra (contacts. intents. Insert. Name, "my name "); Intent. putextra (contacts. intents. Insert. Phone, "+ 1234567890 "); Intent. putextra (contacts. intents. Insert. phone_type, contacts. phonescolumns. type_mobile ); Intent. putextra (contacts. intents. Insert. email, "com@com.com "); Intent. putextra (contacts. intents. Insert. ema

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

Baidu Cloud push to send official address Http://developer.baidu.com/wiki/index.php?title=docs/cplat/push Simple introduction of the following principle: Baidu Cloud push sends support for iOS and Android cloud push. Android support is good, but iOS is generally difficult to tune. Baidu Cloud for the iOS push, he just did a middle agent, to provide users with t

operation is: Find jdk.table.xml This file, add this sentence under the The modified section of the configuration file is as follows:JDKversion= "2"> namevalue= "Android API Platform" /> typevalue= "Android SDK" /> HomePathvalue= "D:\ANDROID\SDK" /> Roots> Annotationspath> Roottype= "Composite"> Roottype= "simple"UR

. setType (People. CONTENT_ITEM_TYPE ); Intent. putExtra (Contacts. Intents. Insert. NAME, "My Name "); Intent. putExtra (Contacts. Intents. Insert. PHONE, "+ 1234567890 "); Intent. putExtra (Contacts. Intents. Insert. PHONE_TYPE, Contacts. PhonesColumns. TYPE_MOBILE ); Intent. putExtra (Contacts. Intents. Insert. EMAIL, "com@com.com "); Intent. putExtra (Contacts. Intents. Insert. EMAIL_TYPE, Contacts. ContactMethodsColumns. TYPE_WORK ); StartActivity (intent ); Sdk documentation android_sdk/

I. Differences between Android: gravity and Android: layout_gravity Android; gravity is the position of its content relative to its own control, while Android: layout_gravity is its position relative to its parent class. For example, if there is an edittext file, one sets Android