best android development book 2017

The first chapter of the book is mainly about Android system, to understand the pre-transplant of Android system, as well as the Linux kernel and drive to explain.Android is already forming a very complete embedded operating system. Android's system architecture is divided into 4 layers: the first layer of the Linux kernel, mainly including the driver and the man

Removable page moveactivity slide-out menu from the interface, like a horizontal scrolling view horizontalscrollview, of course, you can also use Horizontalscrollview to implement the slide-off menu. Today, however, Bo mainly refers to the use of linear layout linearlayout to achieve, but also the horizontal direction of the linear layout.But LinearLayout is a bit funny as a level display, because if there are two sub-views below the width of match_parent, then linearlayout only show the first c

This article summarizes some of the considerations that are easy to overlook in Android development:First, carefully select the package nameThe package name is equivalent to the name registered in the account book, and is the field used by the system to differentiate between different applications. Duplicate package names are considered to be the same application and cannot be installed in a single system a

The next day I learned about Android development. The goal is to participate in the Google Android competition and win a prize. However, the reward is small and the accumulated development experience is large, you can also find a good job on the day you are looking for a job ~~ Today's learning content: helloworld

(1) First add permission to start up permissions(2) Register a broadcastreceiver to detect the start-up broadcast when the Android system is powered onPackage Com.wxyz.dengchaoqun.testswf;import Android.content.broadcastreceiver;import Android.content.Context; Import android.content.intent;/** * Created by Deng Chao on 2017/2/4. *///boot from start broadcast accept public class Autostartbroadcastreceiver ex

); *Tv_bbs.setgravity (gravity.left|gravity.bottom); $Tv_bbs.setlines (8);Panax NotoginsengTv_bbs.setmaxlines (8); -Tv_bbs.setmovementmethod (NewScrollingmovementmethod ()); the } + A PrivateString[] mchatstr={"Have you eaten yet, honey?" "The weather is super hot today!" Where are you? "I'm winning!" "Go to the Movies ~", "What are you doing?" "}; the + Public Static voidstarthome (Context mcontext) { -Intent Intent =NewIntent (Mcontext, class__2_3_1_2.class); $ mcontext.startact

Summary of errors encountered during android development and SolutionsIf any errors or solutions have been encountered during the Development summarized by the novice, please correct them. If you have any better solutions, please kindly advise.1. android. view. WindowManager $ BadTokenException error caused by dialog.

code in the activity:[Java]View Plaincopyprint? Intent mintent = new Intent (this, address activity. Class); Bundle Mbundle = new Bundle (); Transfer data using parcelable Mbundle.putparcelable ("Data", Mbook); Transfer data using Serializable Mbundle.putserializable ("data", items); Mintent.putextras (Mbundle); StartActivity (mintent); Accepted data can be used:[Java]View Plaincopyprint? Intent Intent = Getintent (); arraylist"dat

user is not authorized, then all the work will not be able to start, so that this method is not omnipotent. Of course to say a digression: with the auxiliary function, his risk is greater than the risk after the root, such as our above the robbery of red envelopes plug-ins, in fact, we make a slight modification, you can get micro-letter Address book information, micro-letter payment password. These things can be done, so we need to think twice befor

A book I've been reading recently is the authoritative guide to Android Application Development (fourth edition), which is highly recommended. The book describes some of the user interface design specifications, for beginners I think it is very necessary, here the code to everyone, hope for us all useful. When we desig

Today, the open source framework of the previous introduction to look again, feel that many of the functions can be based on their own project needs to choose.Mainstream mobile application Development Framework (1)-open-source framework for left and right sliding hidden menus Androidresidemenu two-time developmentTo achieve similar to the latest version of QQ, the left side effect, there is also the right menu function, and these two can be customized

Through the first chapter of the study, I learned a lot.Androidis a very good operating system,AndroidThe system architecture is divided into four tiers, respectively:LinuxKernel,c,c++code Base,Android SDK APIand applications. What we have to learnanrroidsystem porting is divided into two parts, application porting and system porting. But we're focusing on this part of the system transplant,AndroidThe primary work of the transplant is migration.LinuxD

matter how the cut will not appear in Dayton, because all your fragment will only be instantiated once! Once the instance of the fragment will be stored in memory, the next switch will determine whether the memory contains the fragment to switch, if there is a direct reuse, no add a new! Optimization Dafa Complete!Wai FanWhat? Wait a minute! Just one instance at a time, what if the data in my fragment is to be updated? My answer is--the software is shut down and restarted again!If so, this kind

Long long ago, to the college to do an address book app needs to have an upload image function, pondering, racked up later still did not solve (student time things), so directly upload the original image, a picture 2M to 3M, so that my application after the release, it is definitely a traffic killer. Recently intentionally or unintentionally saw some of the image compression in Android article, now summed u

Note: I used Android development under XP in the past. Now I am using a classmate's book, which is a 32-bit win7 flagship edition. I can't help but reinstall it .... Verified and summarized as follows 1. First, JDKRight-click "computer"-> properties-> advanced system settings-> Environment Variables System variable-> New-> variable name: java_homeVariable value

multiple modules and Composer class libraries, and implementing more Efficient automatic loading of class libraries. Http://www.kancloud.cn/manual/thinkphp5/118014 * Function is applicable to namespaces. Const applies to namespaces Class applies to namespaces Define is not applicable to namespaces. * Access method: 1. unrestricted name access 2. fully qualified name access method 3. specify the name Access Method (relative path) ';} // Define ('mn', 'iwanghang '); const MN = "iwanghang"; Cla

Type_navigation_bar 2019 Type_volume_overlay By 2020 Volume Adjustment window Type_boot_progress 2021 Start progress, above all windows Type_hidden_nav_consumer 2022 Hidden navigation Bar Type_dream 2023 Screensaver animations Type_navigation_bar_panel

(MSTR); - } - in @Override - protected voidonCreate (Bundle savedinstancestate) { to Super. OnCreate (savedinstancestate); + Setcontentview (r.layout.code_3_5_1); -Tv_life =(TextView) Findviewbyid (r.id.tv_life); theRefreshlife ("OnCreate"); * } $ Panax Notoginseng @Override - protected voidOnStart () { theRefreshlife ("OnStart"); + Super. OnStart (); A } the + @Override - protected voidOnStop () { $Refreshlife ("OnStop"); $ Super. OnStop (); -

(r.id.btn_2_3_3_2); Btn_2_3_3_2.setonclicklistener ( This); } @Override Public voidOnClick (View v) {if(V.getid () = =r.id.btn_center) {Iv_scale.setscaletype (ImageView.ScaleType.CENTER); } Else if(V.getid () = =r.id.btn_fitcenter) {Iv_scale.setscaletype (ImageView.ScaleType.FIT_CENTER); } Else if(V.getid () = =R.id.btn_centercrop) {Iv_scale.setscaletype (ImageView.ScaleType.CENTER_CROP); } Else if(V.getid () = =r.id.btn_centerinside) {Iv_scale.setscaletype (ImageVie

ScrollView> the - LinearLayout>Java1 PackageCom.example.alimjan.hello_world;2 3 Importandroid.app.Activity;4 ImportAndroid.content.Context;5 Importandroid.content.Intent;6 ImportAndroid.os.Bundle;7 Importandroid.support.annotation.Nullable;8 9 /**Ten * Created by Alimjan on 6/30/2017. One */ A - Public classClass__2_2_3extendsActivity { - @Override the protected voidonCreate (@Nullable Bundle savedinstancestate) { - Super. OnCrea