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Android Activity screen switching animation-slide switch between left and rightIf there is no X axis at the bottom of the mobile phone screen, and the Y axis on the left of the screen, when the Activity value is-100% p on the X axis, it is right on the left of the screen (Position 1 ), when the X axis value is 0% p, it is right in the screen (Position 2), and whe

You can see that there is a need for beginners to: Use the GridView to preview the image library. In the multi-choice mode, check the upper right corner. (When you select multiple preview charts in the 4.0 image library, a blue border is added, which is actually a blue background.) The GridView has never been used in actual development and you just want to implement it, write a demo for beginners. Come First:It is not complicated to implement. There a

Article implementation of the function is: on the ListView item from right to left, the deletion button appears, click the Delete button to delete the item. After reading the article, it's not necessary to rewrite the dispatchtouchevent () and Ontouchevent () two methods, just rewrite the ontouchevent. This makes some adjustments to the code: public class Mylistview extends ListView {private static final String TAG = "Mylistview"; private int mt

"android:drawableright= "@android:d rawable/btn_radio"android:paddingleft= "10DP"android:text= "RadioButton"/>Demo Downloadhttp://download.csdn.net/detail/sunnyfans/4521592attached to the reference website:http://www.haogongju.net/art/1422253Summary:today in the implementation of Radiogroup single-choice, require text on the left, select the icon on the right, and the Android system comes with the Radiogrou

;LinearLayoutxmlns:android= "Http://schemas.android.com/apk/res/android"Xmlns:tools= "Http://schemas.android.com/tools"Android:layout_width= "Match_parent"Android:layout_height= "Match_parent"android:orientation= "vertical"Android:paddingbottom= "@dimen/activity_vertical_margin"Android:paddingleft= "@dimen/activity_horizontal_margin"Android:paddingright= "@dimen/activity_horizontal_margin"Android:paddingtop= "@dimen/activity_vertical_margin"Tools:cont

(); The distance of the activity int DISTANCEX = (int) (xmove-xdown); Get time-of-speed int xspeed = getscrollvelocity (); When the sliding distance is greater than the minimum distance we set and the instantaneous speed of the slide is greater than the speed we set, return to the previous activity//if (Distancex > Xdistance_min xspeed > Xspeed_min) {if (Dista Ncex > Xdistance_min) {return false; } break; Case MotionEvent.ACTION_UP:rec

There is a drawer view control drawerlayout in Android Support.v4. Using this control, you can create a good experience by swiping open or close menus horizontally on the screen.Recently in the project, the design has been useful to this effect, but the left and right sides can draw such a menu effect. Using the discovery, in the XML layout and code, almost add the same code, you can achieve the effect of t

Lack of NDT options and C + + build option issues Using the ADT (Android Developer Tools) is not a NDT option, it is cumbersome to use, it is recommended to use standard eclipse, such as Luna, and then install Android. Or use the latest ADT, version greater than 20 ADT should be able to set NDT directly, I use the ADT23. The default Android project does not hav

Want to make an animation, a will run the villain, from the right side of the screen to the right, so did a try:Three steps are required to accomplish this:1. Do a frame animation (frame animation), composed of a number of pictures, the formation of the villain running continuously.2. Make a displacement animation so that the villain from left to right to produce

Viewpager This small demo implementation is can be left and right loop slide picture, below with index, slide to the last page in the first page, the first page to the left to the last page, first, with beautiful pictures is my usual style, hehe1. First look at some of the layout of the XMLUsing Viewpager first needs to introduce Android-support-v4.jar this jar package. Don't forget to addPackage Com.exampl

As for the sliding effect, which is used more in Android, the slide effect of this example is implemented using Viewflipper, and of course it can be implemented using other view. Then let's start to achieve this effect. Let's take a look at the program Structure chart: Mainactivity code in File: Package com.android.flip; Import android.app.Activity; Import Android.os.Bundle; Import Android.view.GestureDetector; Import android.view.MotionEvent;

The Android switching interface slides in from the top:we have used the Overridependingtransition method, the first parameter refers to a set to startThe way the activity enters, the second parameter specifies how the current activity exitsOverridependingtransition (R.anim.ani_top_get_into, r.anim.ani_bottom_sign_out);R.anim.ani_top_get_into file:android:duration= "500"Android:fromxdelta= "0"Android:fromydelta= "-100%"Android:toxdelta= "0"Android:toyd

Viewpager This small demo is to be able to scroll around the picture, the following with index, slide to the last page in the right slide to the first page, the first page to the left slide to the last page, the first effect of the picture, with beautiful pictures is my consistent style, hehe 1. First look at some layout under the XML Using Viewpager first you need to introduce Android-supp

When a project has just been clone down and open from the GIT server side, you may find that the branch information is currently not visible in the lower right corner of Android studio, such as: Cause Analysis: The reason why is not shown is because your current Android Studio default version control tool is not git, as long as it is set to Git, the specific way

Recently played a call "date bar" application, is also watching the live app, the default download installation, installation point to see the application do a good job, it left. And then look at the bottom of the dynamic Details page there is an effect: Recyclerview slide to the comment list, the bottom point of the bar will slide to the left, a column to enter comments, and then down to the bottom when the input comment bar will slide to the right,

Objective:Use the simplest example to illustrate this problem.1. Add the default layout layouts to the activity2. Implement the logic of right-sliding off activity in custom layoutDirectly on the code!Customizing the Layout hffinishrelativelayout!Package Com.huofar.widget;import Android.content.context;import Android.content.res.typedarray;import Android.support.v4.app.fragmentactivity;import Android.util.attributeset;import Android.view.MotionEvent;i

Android slide gesture I forgot where I learned it. Thanks to the original author for writing it clearly. Code Package COM. SL. quwei. UI. manage; import android. app. activity; import android. OS. bundle; import android. util. log; import android. view. gesturedetector; im

) { self.navigationController.interactivePopGestureRecognizer.enabled = NO; Let Rootview prohibit sliding } } Then add in the-(void) Viewdidload method in B -(void) viewdidload { //config return button uibarbuttonitem * Backitem = [self barbuttonforimagenames:@[@ icon-return "@" ", @" "] Action: @selector (Popback)]; Backitem.title = @ ""; if ([[[[[Uidevice Currentdevice] systemversion] floatvalue] >= 7.0) { self.navigationController.interactivePopGestureRecognize

Added the drag function. Press and hold the small icon to open it when it is more than half dragged, and close it when it is less than half dragged. Only the ongesturelistener interface and ontouchlistener are added. The specific code is as follows: Package COM. DL. test; import android. app. activity; import android. OS. asynctask; import android. OS. bundle; i

============ Problem Description ============In writing code can implement listening keyboard and phone home button, etc., but I have not found how to listen to several times the three keys, left, right, middle key.============ Solution 1============Android has a mouse.In general, set up your/system/usr/idc/Touch.devicetype = Pointeris the mouse.Now the market has sold a lot of