cannot change ringtone android

The project needs to add a grid line to the GridView, and the background of the GridView is a complete picture, as shown in the figure: The common methods are: 1, change the background color of the GridView2. Set the interval of the GridView horizontal or vertical direction3 Set the item's layout file background colorThe above method directly changed the background color of the GridView, obviously does not meet the requirements of the project, I s

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

properties of the dialog are specified. It's a pity. At the moment I see these related properties are not public, can not set their own, so only through the Java code to achieve.This blue line is called Titledivider, and we are able to get its IP through the getresources () API, and then set the color. The code is as follows: public static final void Dialogtitlelinecolor (Dialog Dialog, int color) { Context context = Dialog.getcontext (); int divierid = Context.getresources ().

Android. support. v4.view. How does ViewPager dynamically change the display content? Look at a simple piece of code and display two textviews in a pager. List items = new ArrayList ();adapter = new MyPagerAdapter(); TextView TV = new TextView (getActivity (); TV. setText (first page); items. add (TV); TV = new TextView (getActivity (); TV. setText (second page); items. add (TV); pager. s

The way to change the font size is to use a activitymanagernative classFirst, before the code declaresPrivate Configuration Mconfig = new configuration ();and set the value in your code to change the font sizeMconfig.fontscale = 0.75f;//feel 1.0fOther than that. You also need to add android:configchanges= "Fontscale" to the Androidmanifest.xml.In the Spreadtrum platform, the preset font sizeExtra Large: 1.3

Text Change monitoring:Username is an object of EditTextUsername.addtextchangedlistener (New Textwatcher () {@Overridepublic void ontextchanged (charsequence s, int start, int before, int count) {The number of references means: S text content, start changes from the first few characters, before (oneself can test. I did not test), count changed the number of charactersTODO auto-generated Method StubLOG.I ("EditText", s.tostring ());}@Overridepublic voi

First of all, in the resource file put the icon picture you want to change to the Drawable-xx folder , and then open the Androidmanifest.xml this configuration list file to findTo the application tag of this sentence android:icon= "@drawable/ic_launcher" where ic_launcher this is the name of the quoted picture,For example, in the drawable-xx to find a aa.jpg picture, you can refer to the manifest file android:icon= "@drawable/aa" Here is to modify the

TextView changevideoqualitytxt = (TextView) Rootview.findviewbyid (r.id.enter_wireless_display_txt);String Text1 = getString (R.string.enter_application_wireless_display);Spannablestringbuilder style1 = new Spannablestringbuilder (Text1);Style1.setspan (New Foregroundcolorspan (Getresources () GetColor (R.color.high_light_color)), Spannable.span_ exclusive_inclusive);Changevideoqualitytxt.settext (Style1);If you want to insert a picture in a line of text:TextView changevideoqualitytxt = (TextVie

Private voidsetdialogsize (Dialog DG) {Window Dialogwindow=Dg.getwindow (); Windowmanager.layoutparams LP=dialogwindow.getattributes (); Dialogwindow.clearflags (WindowManager.LayoutParams.FLAG_DIM_BEHIND); Dialogwindow.setgravity (Gravity.left|gravity.top); //the coordinates displayedlp.x = Max; LP.Y= -; intwidth =getresources (). Getdimensionpixeloffset (R.dimen.d_width); intHeight =getresources (). Getdimensionpixeloffset (R.dimen.d_height); //size of the dialogLp.width =width; Lp.height=h

maximum Drawingcache value, a problem occurs when the bitmap is generated, and the bitmap obtained is null. so you can fix the problem by simply modifying the desired cache value. So we introduced the second method:public static Bitmap Convertviewtobitmap (view view) {View.measure (Measurespec.makemeasurespec (0, measurespec.unspecified), Measurespec.makemeasurespec (0, measurespec.unspecified));View.layout (0, 0, view.getmeasuredwidth (), View.getmeasuredheight ());View.builddrawingcach

Like Change pageChange activity First we should create a activity,We should extends class activity and override OnCreate (), then configure information in Androidmainfest.xml.There importment attrbutes call name and label, name Attrbute tell Android system how to find activity and the label E AUQL the title of the activity. PackageCom.example.chatdemo;Importandroid.app.Activity;ImportAndroid.os.Bundle;Impor

type; int id = cursor.getint (cursor.getcolumnindex ("id")) ; String named = cursor.getstring (Cursor.getcolumnindex ("name")); String number = cursor.getstring (Cursor.getcolumnindex ("number"));//Instantiate query result data Object person = new person (ID, named, number);} Close the database connection, release the Resource Db.close ();//Return the data result object return person; /** * Update a data according to name * * @param name * with new conditions * @param newnumber * NEW data * @re

1, custom adapter in the configuration:1 Public classMyadapterextendsbaseadapter{2 3 intMselect = 0;//Selected Items4 5 ......6 7 Public voidChangeselected (intPositon) {//Refresh Method8 if(Positon! =mselect) {9Mselect =Positon;Ten notifydatasetchanged (); One } A } - - the - PublicView GetView (intposition, View Convertview, ViewGroup parent) { - //if (convertview==null) { -Layoutinflater factory =Layoutinflater.from (context); +View V = (view) factory.inflate (R.lay

Layout file:1 XML version= "1.0" encoding= "Utf-8"?>2 LinearLayoutxmlns:android= "Http://schemas.android.com/apk/res/android"3 Xmlns:tools= "Http://schemas.android.com/tools"4 Android:layout_width= "Match_parent"5 Android:layout_height= "Match_parent"6 Android:paddingbottom= "@dimen/activity_vertical_margin"7 Android:paddingleft= "@dimen/activity_horizontal_margin"8 Android:paddingright= "@dimen/activity_horizontal_margin"9 Android:paddingtop= "@dimen

This problem I am also drunk, tangled for a long while, tried without several methods, but is not responding.Later found that this feature requires Android 5.0 or more version, a look at my test machine is 4.7, I was excited, immediately changed a test,and eggs ah, there is wood!!!But there is a discovery: I want to set the notification bar to Green, toolbar is also green, the main page because business needs are not used toolbar so next to the notifi

Idea Series Themehttp://www.riaway.com/index.phpHttp://color-themes.com/?view=indexDetailed usage:Https://www.jianshu.com/p/7ca5ee761c97Use Help 1. How to install the downloaded theme1.从主菜单打开你的编辑器选择 File->Import Setting.选择你下载的jar文件;2.等待重启之后进行配置：打开File->Settings->Editor->Colors and fonts 然后选择你安装的主题即可完成2. What Ides are supported本站的所有主题支持JetBrains家族的所有IDE,包括：InteliJ IDEA, PhpStorm, PyCharm, RubyMine, WebStorm and AppCode。3. What system platforms are supported支持的系统包括Windows, Mac OS and LinuxIdea

The Android system will first read the value of the btm_def_local_name, and if it is empty, use "Ro.product.model" as the Bluetooth device name.system/bt/btif/src/btif_dm.cc#define PROPERTY_PRODUCT_MODEL "ro.product.model"......static char* btif_get_default_local_name() { if (btif_default_local_name[0] == '\0') { int max_len = sizeof(btif_default_local_name) - 1; if (BTM_DEF_LOCAL_NAME[0] != '\0') { strncpy(btif_default_local_name, BTM_DE

The first step, click on the desktop Bluestacks shortcuts, such as the icon Step two, enter the initialization interface of Bluestacks Step three, into Bluestacks's Android interface. Step Fourth, click on the icon settings Fifth step, continue to click on the change language as shown Step sixth, Popup language selection window Th