android 8 0 launcher

Android Launcher icon box-added to optimize display effect, androidlauncher Read the code and explain it. Mainly used for image processing PorterDuff. Mode. SRC_ATOPSRC_ATOP The source pixel and target pixel are mixed to make the upper-layer graph display in the center to achieve the framed effect. Package com. ferris. launchericonutils; import android. app. act

(Intent.extra_shortcut_intent,new Intent ( This,mainactivity.class)); Setresult (result_ok,returnintent); Finish ();}}}3. The above shortcut can only be added manually, if you want to add shortcut dynamically, you must send the broadcast. Android Launcher2 Source provides the followingThis also means that we send the broadcast must declare the permissions, as well as the designation Also in code calls (also, dynamic addition of shortcut must specify

I believe that the Android system has seen the classic launcher. As shown in, it is the original launcher Main Menu function of 4.0. What we want to learn today is this. Through this small code, we can review the knowledge points: ①. Application acquisition and processing, including applications in SD. ②. Dynamically monitors the installation, uninstallation, and

.getwidth (); Bitmap resultbmp = Bitmap.createbitmap (width, width,bitmap.config.argb_8888); Paint paint = new paint (); Canvas canvas = new canvas (resultbmp); canvas.drAwbitmap (lay1, 0, 0, paint);//Draw the lower layer//Let the upper icon center Display int top = 0;if (Lay1.getheight () > Lay2.getheight ()) {top = (Lay1.gethei Ght ()-lay2.getheight ())/2;} els

the child control sends to it, the quilt control is blocked. (This is to deepen the memory. These two events are so troublesome to understand. Let alone remember, I must have forgotten them all at once. ^ 0 ^) (Note: Do you think it is related to consumption? Anyway, I have compiled the processing code for the event? The answer is yes! For example, the premise that ACTION_MOVE or ACTION_UP occurs is that ACTION_DOWN has occurred. If you have not cons

The meaning of the start-up interface is to make the background processing time-consuming complex work, when the work is done, you can enter the main interface. Using a single image as the starting background is a better experience than letting the user wait for the layout to load.First, you need to create a simple layout:XML version= "1.0" encoding= "Utf-8"?>LinearLayoutxmlns:android= "Http://schemas.android.com/apk/res/

= context;This.resinfo = Resinfo;}@Overridepublic int GetCount () {TODO auto-generated Method Stubreturn Resinfo.size ();}@OverridePublic Object getItem (int position) {TODO auto-generated Method Stubreturn Resinfo.get (position);}@Overridepublic long getitemid (int position) {TODO auto-generated Method Stubreturn position;}The purpose of this place with Viewholder is to improve the app's speed by not having to reconstruct our convertview and find ImageView and textview every time.@OverridePubl

Launcher3/src/com/android/launcher3/1. AppsCustomizePagedView. java public static boolean DISABLE_ALL_APPS = true; // mtk modify 2. AppsCustomizePagedView. java Protected void onMeasure (int widthMeasureSpec, int heightMeasureSpec ){ Int width = MeasureSpec. getSize (widthMeasureSpec ); Int height = MeasureSpec. getSize (heightMeasureSpec ); LauncherLog. d (TAG, onMeasure mIsInEditMode = + mIsInEditMode + widthMeasureSpec ++ heightMeasureSpec ++ Width

Learn about the basics of Android from 0 (2)-Explanation of the AndroidMainfest. xml fileAndroidMainfest. xml file details 1. About AndroidManifest. xml AndroidManifest. xml is a required file in every android program. It is located in the root directory of the entire project, describing components exposed in the package (activities, services, and so on), their r

warnings and errors, and click on the warning to jump to the corresponding code.5. Tool barThe toolbar is used to place the tool, and the tool window can be expanded when clicked. The toolbars in Android Studio are distributed on the left and right sides of the main interface and at the bottom (above the status bar).You can view a list of all the tools supported by Android Studio through the menu bar-view-

comes first to learn listening-based event processing, followed by the callback-based event processing, focus on sharing talent show (Shareexpert) to get a first-hand tutorial, you can also add small (jinwenyu2010) to the Android 0 basic introductory Technology Discussion group common progress.Ii. Overview of event handling based on monitoringEvent processing based on listening is a kind of more "object-or

sketches without repairing forth projects and creating any files, Android Studio (Intellij IDEA) provides all the auxiliary coding capabilities for scratch files.4. Android Mode:All files are categorized by type, which is not the actual file structure in the computer.5. Project Files Mode:A project structure similar to eclipse.6. Problems mode:Displays only the file structure of the error.7. Production Mod

Program Ape Learn English on the visual English webAndroid Program Development 0 Basic Tutorial (i)Platform Brief Introduction 's exciting Google mobile OS platform-android officially announced on November 13, 2007, an open-source operating system with Linux as its kernel. As a developer, we are concerned with the architecture of this platform and the supported development languages. Here is the platform ar

Program Ape Learn English on the visual English webAndroid Program Development 0 Basic Tutorial (i)Platform Brief Introduction 's exciting Google mobile OS platform-android officially announced on November 13, 2007, an open-source operating system with Linux as its kernel. As a developer, we are concerned with the architecture of this platform and the supported development languages. Here is the platform ar

0. [WP Developer experience Andriod Development] install and configure Android Studio from scratch and write the first Android App, andriodandroid0. required installation files I have been working on WP for a few years. Recently I am a little interested in Android. I will try Andr