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The Android operating system itself is a huge open source repository, familiar to both the design framework of the Android system and the efficient way to write applications. This article analyzes the source code from Google's official AOSP source 4.0.1_r1, the Android version of the mobile phone is cm 4.2.2. For the Android
Android Tween Animation, androidtween
View Animation, that is, the Tween Animation displayed on the view
In essence, a Tween animation does not change the View object itself, but only the way it is drawn.
Two implementation methods: one is defined in xml and the other is def
(Allimgdown[0]);
This.addview (iv);
The initialization of the brush paint = new paint ();
Paint.setstrokewidth (1);
Paint.setcolor (Color.cyan);
Paint.setstyle (Paint.Style.FILL);
Paint.settextsize (50);
Paint.setantialias (TRUE);
Rectangular rect = new rect ();
The purpose of drawing text into the rectangle is to measure height paint.gettextbounds (printtext, 0, Printtext.length (), rect);
Text width textWidth = paint.measuretext (Printtext);
Get text Height textHeight = rect.bottom-rect.top;
Android learning route (3) run your Android app, route android
If you have created your Android project according to the previous lesson, it contains the default "Hello World" source file, allowing your project to run immediately.
How do you run your application? Two things:
Android and frame-by-frame animation:
:
When we click the button, the image will not stop moving, and when we click the button again, it will stop in the current status.
Or
At the beginning, images will not stop moving.
Activity Code:
Package COM. NJ. test; import android. app. activity; import
Plug-in
The plug-in is an editor defined in XML that can affect the frequency of animation changes. It will affect the acceleration, deceleration, replay, rebound, and other effects of existing animations.
Use the android: interpolator attribute to apply the plug-in to an animation element. Its value is a reference of a plug-in resource.
In
Toolbar.settitletextcolor (Color.parsecolor ("#ffffff");
Sets the title Color Setsupportactionbar (toolbar); Getsupportactionbar (). Sethomebuttonenabled (True); The set return key can be Getsupportactionbar (). setdisplayhomeasupenableD (TRUE); Create a return key and implement toggle/close listener Mdrawertoggle = new Actionbardrawertoggle (this, Mdrawerlayout, toolbar, R.string.open, R.string.clo
SE) {@Override public void ondraweropened (View drawerview) {super.ondraweropened (D
Speaking of Android phone, most people's impression is a bit of time to become a little lag, some programs in the run inexplicably crashes, open the System folder A look, found a lot of files, and then use the mobile phone butler APP constantly clean optimization, just feel the speed slightly improved point, Even if the mobile phone in a variety of performance in front of the software score ahead, or feel n
Interesting notifications of Android animation effects: NiftyNotification (Android Toast alternative) and androidnotification
The home page of a project on github for NiftyNotification is: https://github.com/sd6352051/NiftyNotificationNitynotification itself depends on another third-party open-source project NineOldAndroids on github. The project home page of Nin
One app in Android launches another application generally there are 2 different cases,The package name of the application being launched is known and unknown in two cases:1 The package name of the app being launched is known: /** launches another applied code, where the app's package named PackageName, the application's entry is packagename.mainactivity,
Speaking of Android phone, most people's impression is a bit of time to become a little lag, some programs in the run inexplicably crashes, open the System folder A look, found a lot of files, and then use the mobile phone butler APP constantly clean optimization, just feel the speed slightly improved point, Even if the mobile phone in a variety of performance in front of the software score ahead, or feel n
Differences between Android TV app and mobile app: androidappOne of the company's projects is for android TV. Thanks to the daily report, summary: android TV app presents the difference between the ui and mobile app.The main diffe
)Application name Get method: Packagemanager.getapplicationlabel (ApplicationInfo)Access method using permissions: Packagemanager.getpackageinfo (packagename,packagemanager.get_permissions). requestedpermissionsGet the specific information method by ResolveInfo:Package name Get method: Resolve.activityInfo.packageNameIcon Get Get Method: Resolve.loadicon (Packagemanager)App Name Get method: Resolve.loadlabel (Packagemanager). ToString ()"
Keywords: AndroidBoot logo boot animation initlogo. RLE bootanimation desc.txt
Platform information:Kernel: linux2.6/linux3.0System: Android/androidPlatform: s5pv310 (samsungexynos4210/4412)
Author: xubin341719 (You are welcome to reprint it. Please note the author)
Android logo, which has been changed a lot at work, is also relatively simple. Different companies
The Android SDK offers three types of animations, motion tweens, frame-by-step animations, and interpolation property animations. The first animation effect-tweened animation is described below.
Motion tweens can be applied to view, allowing developers to define changes in size, position, rotation, and transparency to make the contents of a view move.
A motion
The page appears blank when you make an Android or iOS app callMy backend was developed in PHP. I am the first to call the unified next order generation, generate prepay_id pre-paid order number, the code is as follows:
config[' money ') *100; $notify _url= $this->config[' Notifyurl ']; Notification url//set the unified Payment interface parameters//settings required parameters//appid filled, the merchan
==================== Problem Description ====================Heroes, Ben does not understand Android, ask a solution can be achieved:An already released app, this app has a button when it goes in, the normal situation is we click this button by hand, will trigger this button event;Now I want to develop an Android
Original: Android Project Combat (22): Launch another app or restart the appFirst, launch another appCurrent company project needs, a main app, need to open some small apps, these small apps are integrated unity, but still Android program (all small app package name is known
Android Property Animation, androidpropertyProperty Animation introduction:
Born in 3.0, a series of operations are performed using the attributes of the View. For example, the setAbc attribute of a View can be set theoretically.
It not only changes the painting of the View, but also the attributes of the View. Tween Animatio
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