Android screen Rotation Processing AsyncTask and ProgressDialog, androidasynctask
Reprint please indicate the source: http://blog.csdn.net/lmj623565791/article/details/379362751. Overview
As we all know, when the screen direction and configChanges are not explicitly specified for an Activity, the user will restart when the sc
The difference between Android and simulator is the eternal topic, the question of why, the puzzle. The simulator exists and has its effect, but do not believe anything about the simulator. Unless you're an Android pure top app developer or enthusiast, I suggest you throw away the simulator. Its idealized guidance gave us a lot of trouble. Of course, that's a good thing. At the very least, I am interested t
The last few days before the Spring Festival, there is almost no work to do. Summarize the documents, PPT files, and manuals written in the previous work. since it was completely transferred to the android + platform last year, the Android2.3 platform no longer has any projects. Using these days, we will sort out documents related to the android platform, which is a summary of the
This example describes the screen implementation of Android programming. Share to everyone for your reference, specific as follows:
public class Screenshot {//Get screenshots of specified activity, save to PNG file public static Bitmap Takescreenshot (activity activity) {/Vie
W is the View View view that you need to take a screenshot = Activity.getwindow (). Getdecorview ();
View.setdrawingcacheen
First: Implement in program codeThis.requestwindowfeature (window.feature_no_title);//Remove the title barThis.getwindow (). SetFlags (WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_ fullscreen);//Remove Information BarNote: These two lines of code are to be written before the page is displayed, that is, before Setcontentview (r.layout.xxx)Second: Implement the label in the Androidmanifest.xml configuration file Android:themeAndroid:theme= "@
The example in this article describes how Android keeps the screen illuminated steady wake state. Share to everyone for your reference, specific as follows:
First step: Add Permissions First:
Copy Code code as follows:
Step Two: Code implementation is as follows:
public class Screenactivity extends activity
{
PowerManager powermanager = null;
Wakelock wakelock = null;
@Ov
The example in this article describes how Android implements moving pictures on the screen. Share to everyone for your reference. The implementation methods are as follows:
1. Speed.java Documents:
Package net.obviam.droidz.model.components;
public class Speed {public static final int direction_right = 1;
public static final int direction_left =-1;
public static final int direction_up =-1;
pub
Download address (source code and complete Project project): http://loon-simple.googlecode.com/files/barrage%2Bslg.7z
There has been a period of time did not update the blog, so the younger brother deliberately prepared two games samples issued.
1. Example of the bomb screen:
This is a very simple example of the play screen game, using touch-screen control, but t
Qt on Android: how to adapt to different screen sizes
How can I use Android apps developed by Qt to adapt to various screen sizes of Android smartphones?
Speaking of the screen size, there are mobile phone screens from 2.8 to 8.9,
Android is a device that runs on a variety of different screen sizes and densities.The Android system provides a unified development environment across devices and handles most of the work to adjust the screen of each application's user interface to display on it. At the same time, the system provides APIs that allow y
by screen size and screen density, and the Android adaptation mechanism is to add the constraints to these two factors after the resource, differentiate different platform resources by different qualifications, and Android will choose the resources that satisfy the platform when using the resources. Then find the clos
The UI Designer should not know the android screen knowledge, uiandroid
Provided by Beijing shangxuetang
Many designers and engineers were confused by the various screens of Android devices. I did both the UI design and the android interface layout. I was just familiar with this content, I have also made related lectur
This article introduces one of the most common features of the app, that is, the new features of the introduction and launch screen, generally how to achieve it, this is not going to tell you.
Logic first.
First to determine whether the first launch of the app, if it is, then enter the function to use navigation (the simplest way is, left and right sliding switch view, slide to the last page click button to enter the homepage).
If not, disp
Android Popupwindow Full Screen
Many applications can often see the effect of pop-up this popupwindow, do a small demo share. Demo idea is to traverse the file, find pictures and Pictures folder placed on the Popupwindow above. Click the button to eject this Popupwindow, where the animation is set for Popupwindow.
Popupwindow Full Screen Code feed
Limited ne
Many designers and engineers are confused by the numerous screens of Android devices, I do not only do UI design, but also do a little Android interface layout, just about this piece of content is familiar with, also in the company has done related lectures, in this, I will this part of the knowledge to re-comb out to share to everyone!1. Understand several concepts(1) resolution. Resolution is the cell pho
different screens.The corresponding relationship between cell phone screen classification and pixel density is shown in table 1Size distribution of mobile phones (http://developer.android.com/resources/dashboard/screens.html),At present, mainly in the resolution of 800*480 and 854*480 mobile phone users mostlyFrom the above screen size distribution, in fact, the phone just consider 3-4.5-inch density of 1
In development we often need to set our application to full screen, there are two ways, one is set in the code, the other way is in the configuration file to change!
First, set in code:
Copy Code code as follows:
Package com.android.tutor;
Import android.app.Activity;
Import Android.os.Bundle;
Import Android.view.Window;
Import Android.view.WindowManager;
public class Opengl_lesson1 extends activity {
public void OnCreate (Bundle sav
When you develop an Android program, sometimes when the program is running, you can't hibernate the system, or some of the runs will stop, so we need to set up a no hibernation, there are two ways:
One is to add permissions,
One is set in code,
It is recommended that you use the first method so that you will be alerted when you install the program:
The first way:
In the Manifest.xml file, use the User-permission statement.
Name is:Android.permi
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