how to change wallpaper on android

; int insamplesize = 1; if (Height > Reqheight | | width > reqwidth) { final int halfheight = HEIGHT/2; Final int halfwidth = WIDTH/2; Calculate the largest insamplesize value is a power of 2 and keeps both //height and width larger than the R equested height and width. while ((halfheight/insamplesize) > Reqheight (halfwidth/insamplesize) > Reqwidth) { insamplesize *= 2; } } return insam

This blog is mainly about the following two points of knowledgeicon Change color :drawable, so that Android can also have iOS so convenient image tone conversion, like the same icon, but there are many places to use, and the color is different, you can use this method. Search Box: General is edittext realization, this article realizes TextView picture and text Center, the keyboard searches.Take a look at:ic

How to change the content on the android screen, and combine two bitmaps to display the image, androidbitmap The requirements in the project are as follows: This method is used to input a desired activity. /*** @ Param activity * @ return */public Bitmap takeScreenShot (activity Activity) {View rootView = activity. getWindow (). getDecorView (); rootView. setDrawingCacheEnabled (true); rootView. buildDrawin

Network_type_ltecurrent Network is lteconstant value:13 (0x0000000d) (4G) public static final int Network_type_ Ehrpdcurrent Network is ehrpdconstant value:14 (0x0000000e) 3G (3G to 4G upgrade product)--------------------------Added in API level---------------------------public static final int Network_type_hspapcurrent Network is hspa+constant value:15 (0x0000000f) (3G)So we can networkinfo.getsubtype () to get the value and the above to correspond, we know that the current is a few G network.

In the development process, often encounter such a scene, click the button, the background color changes: In drawable, define Xxx.xml (selector)selectorxmlns:android= "Http://schemas.android.com/apk/res/android"> Itemandroid:drawable= "#ee0000"android:state_focused= "true"/> Itemandroid:drawable= "#ee0000"android:state_selected= "true"/> Itemandroid:drawable= "#ee0000"android:state_pressed= "true"/> Itemandroid:drawable= "#00ee00"/>selecto

Recently saw a lot of friends looking for how to modify the Mac on the Android iphone method and tutorial, just our studio also has such experience, here to share our tools and methods, we use a stone-cut simulator, can be a button to simulate the modification of the phone set parameters, Of course, including Mac Physical address and WiFi information, before we also tried other software, but some need to modify the system's files, some of the changes

as:The last is to modify the hosts on the server, refer to the above DNS configuration hosts operation is the sameIt's almost all set up.The last thing to note is to clear the cache on the phone, be sure to close the browser and app, clean up the memory and then open, or the phone's DNS and network settings may not be switched over.The above configuration I have been tested on Android devices, IOS is not applied to test, but it should be said to be t

); if(Mactionbar.getselectednavigationindex () = =Alarm_tab_index) {nightmode.setvisible (false); } Else if(Mactionbar.getselectednavigationindex () = =Clock_tab_index) {nightmode.setvisible (true); }} @Override Public Booleanonoptionsitemselected (MenuItem item) {if(Processmenuclick (item)) {return true; } return Super. onoptionsitemselected (item); } Private BooleanProcessmenuclick (MenuItem item) {Switch(Item.getitemid ()) { Caser.id.menu_item_settings:startactivity (NewIntent (Desk

Android phones because of the open source of its system features, users can make a lot of personalized customization, to create their own unique one of the mobile phone. Font replacement is a lot of people often use a personalized modification, on the Android font replacement, there are many ways, here for you to sum up. 1, find your favorite fonts, replace with the RE manager. How to: Download your favori

Ssb.setspan (new Relativesizespan (1.2f), 1, Ssb.length (), spannable.span_exclusive_exclusive); return SSB;}Effects such as:watermark/2/text/ahr0cdovl2jsb2cuy3nkbi5uzxqvtlvqvgjvevpiqg==/font/5a6l5l2t/fontsize/400/fill/i0jbqkfcma==/ Dissolve/70/gravity/center "/>Project Source: Https://github.com/nuptboyzhb/ViewPageAnimatorDemoNot for commercial purposes without consentOf course, you can also consider using the open source code: Https://github.com/astuetz/PagerSlidingTabStrip Copyright notice:

When adding text in textview, you sometimes need to change the color of some text fonts. Today I learned three ways to share them: 1. Set the font color directly in the configuration XML file under the layout file, and change the color by adding Android: textcolor = "# ffffff" However, this effect only allows the font to display one color. 2. in the activit

closed. Test results:java : Java new 5000s waste 3ms c++ : c++ new 5000s Waste 18ms java : java new 10000s Waste 5ms c++ : c++ new 10000s waste 24ms Span class= "http" >java : java new 50000s waste 44ms c++ : c++ new 50000s waste 121ms java : java new 100000s waste 65ms c++ : c++ new 100000s waste 259ms This time, the results show that the cache method ID and Jclass can be shortened by half the time. But still less fast than Java. This is also very well understood. C + + cr

?There are two methods of TextView:Setinputtype (int) settransformationmethod (Transformationmethod)Setinputtype can change the way TextView is entered: contact, Email, Date, time, short Message, Normal Text, Password, and so on. You can also specify a variety of correction options, such as capitalize the first letter of the word, capitalize the sentence, AutoCorrect, and so on.How to use: int InputType = Inputtype.type_class_text | Inputtype.type_te

The method of removing the dividing line has been found for a long time, and finally found a way to change the split lineThe spinner and Autocompletetextview hint list has a black dividing line in the middle, and if you want to change its color value, rewrite the style.1. Write a style in themes 2. The style is called in the manifest of the activity where the control resides The list is the style

; if (Height > Reqheight | | width > reqwidth) { final int halfheight = HEIGHT/2; Final int halfwidth = WIDTH/2; Calculate the largest insamplesize value is a power of 2 and keeps both //height and width larger than the R equested height and width. while ((halfheight/insamplesize) > Reqheight (halfwidth/insamplesize) > Reqwidth) { insamplesize *= 2; } } return insamplesize;} } Layout file

public static final Bitmap creatergbimage (Bitmap bitmap,int color){ int bitmap_w=bitmap.getwidth (); int Bitmap_h=bitmap.getheight (); int[] Arraycolor=new int[bitmap_w*bitmap_h]; int count=0; for (int. i=0;i for (int j=0;j int color1=bitmap.getpixel (j,i); //here can also remove R G B can expand to do more processing, //for the time being I just have to deal with the color except transparent, change the other colors nbs

This requirement is generally not used, but it is very depressing to meet. This should be considered a bug in the SDK, the solution is to set up before recording his margin,Then set back in.Specific methods /** * settings do not change padding background * Because Android has set background, padding invalid problem * * @param view * @param resId * @autor Wujiajun * /public

Android: overlay text in an image. You can drag it to change the position, This Demo has been made because there is a strange demand in the recent project: After a user takes a photo and adds remarks when sharing it, he wants to get the content entered in the pop-up box of the user, save it to your server. In fact, this content program cannot be obtained, so a compromise was adopted to write the text direct

. Change the Launchermodel.java Loadallappsbybatch () method:WillCollections.sort (apps,new launchermodel.shortcutnamecomparator (Packagemanager, Mlabelcache));Replace with:Collections.sort (apps,new installtimecomparator (Packagemanager, apps));3. Setapps method for changing Appscustomizepagedview.javaWillCollections.sort (Mapps, Launchermodel.getappnamecomparator ());Replace with:Collections.sort (Mapps, Launchermodel.getinstalltimecomparator ());4.

The demand is when I press the button, the Change button color, so that users feel that they pressed the button, when the release, change back to the original color. Normal Time: When pressed: Some people say, the direct monitor button presses the event to be extremely good, actually this can achieve the same effect, but has a shortcoming, for example many buttons all need this kind of effect, that y