cannot change ringtone android

This article describes a way to effectively change the color of the Android button.The button can change its color when the state changes (for example, press, disable, highlight). However, this requires one by one to describe each state. This article will provide you with a way to easily change the color of the button

= Sqlitedatabase.openorcreatedatabase (Getdatabasepath (name), NULL); return result; /** * Android 4.0 calls this method to get the database. * * @see android.content.contextwrapper#openorcreatedatabase (java.lang.String, int, * Andro Id.database.sqlite.SQLiteDatabase.CursorFactory, * android.database.DatabaseErrorHandler) * @ param NAME * @param mode * @param factory * @param errorhandler */@Override Public sqlitedatabase openorcreate

I. OverviewSQLite is one of the core data storage services of Android system, it is a lightweight embedded database, it occupies very little resources but can provide very fast data access service, many large-scale Android projects that need data storage are useful to SQLite (also can be used for desktop applications).The following describes the creation of SQLite database, table operations, as well as basi

) { } }Private Static FinalString Key_miui_version_name ="Ro.miui.ui.version.name";Private Static Boolean isMiUIV6() {Try{FinalBuildproperties prop = Buildproperties.newinstance (); String name = Prop.getproperty (Key_miui_version_name,"");if("V6". Equals (name)) {return true; }Else{return false; }//Return Prop.getproperty (Key_miui_version_code, NULL)! = NULL//| | Prop.getproperty (KEY_MIUI_VERSION_NAME, NULL)! = NULL//| | Prop.getproperty (key_miui_internal_storage, NULL)! = NULL;}C

You may want this effect when using linearlayout: However: Android: layout_width = "fill_parent" Android: layout_height = "wrap_content"Android: Background = "@ drawable/buttonbackground"> After you do this, you will find that even if you touch linearlayout with your hands, the rest will not dynamically change the bac

); /*Get edit box*/edit1_=(EditText) Findviewbyid (r.id.id_edittext_1); /*Listen for text change events in the edit box*/Edit1_.addtextchangedlistener (NewTextwatcher () {@Override Public voidOnTextChanged (Charsequence S,intStartintBefore,intcount) { /*+ + The text changes every time you run this method + +*/ if(NULL!=text_) {Text_.settext ("you are entering ... \ n the current cursor is in the"+Start+"location \ n You c

Change the linux/android startup logo Change the linux or android startup logo: Run makemcnuconfig in the root directory of the linux kernel source code and go to the following levels: -> DeviceDrivers -> Graphicssupport Select help to View Details: CONFIG_LOGO: Enableandselectframebufferbootuplogos. Symbol: LOGO [= y]

, similar to I/ODbwrite.close ();Note: Location information is filled here is null, the specific operation is not clear, but when you see here, there is time to studyBy obtaining a readable database object, the method implementing the lookup in the target database is implemented with code:Sqlitedatabase DB = db.getreadabledatabase ();Creates a new cursor object that indicates the lookup in the "User" data table, followed by a series of constraints,= Db.query ("user",null,null,null, NULL,null,nul

The first is the Stackfrombottom property, which is only after the list that you do well displays the bottom of your list, with a value of true and False android:stackfrombottom= "true" Second is the Transciptmode property, you need to track or view information in real time with a ListView or other control that displays a large number of items, and you want the latest entries to automatically scroll to the viewable range. By setting the Control Transcriptmode property, you can automatically

From: http://www.linuxidc.com/Linux/2011-06/36828.htmAndroid screen orientation change and onconfigurationchanged event Note: The onconfigurationchanged event can be triggered not only when the screen direction is changed, but also when other system settings are changed, such as opening or hiding the keyboard.When the screen direction changes, the onconfigurationchanged event can be triggered. To capture this event for the current activity, we need t

Modify the Android device information. for example, change the mobile phone model to the iPhone 7 Gold and local version !. Modify the Android device information. for example, change the mobile phone model to the iPhone 7 Gold and local version! First, you must have the ROOT permission on your mobile phone. if there is

When we develop the Android project, often need to install from the same project but different version of the app to the phone, there is a coverage problem, by modifying the Android package name can solve the problem, the steps are as follows:1. Change the package name. Find the project name on the left side of Eclipse, right-click on the

1. Right-click on the project, select the Android tools->rename application package, enter the name you want to change, and select the packages you want to change, some of which may not need to be renamed.2, the previous step did not modify the source code package, just the project involved in the name of the place changed, the following changes in the source of

Often, the package name is changed to create an R file error, and sometimes there are multiple text clutter in the manifest file with an unknown reason.So, the most concise and convenient changes to the package name process record, such as the following:If we now have the package named Com.pepper.util, we will change the package name to Com.pp.util1. Click on the project right-click-->android tools-->rename

the target apk corresponding file to test. Including the subsequent switch statements are also analyzed, the following look at the print Toast Smali statement (in the actual case may need to change the variable name, because it may be followed by the variable name conflict)Const-string V0, "This is a test" const/16 v1, 0x3e8 invoke-static {p0, V0, v1}, Landroid/widget/toast;->maket Ext (landroid/content/context; Ljava/lang/charsequence;i) Landr

file, you must ensure that the parameters inside the String.Format method are not less than the number of formatted parameters defined in the string resource (practice proves that the arguments are not reported as exceptions), such as in the example above, the string has four formatting parameter, if the code is written like this:showtodaystate (int totaluser, float uprate, String hornor)//less level parameterThe following exception will be reported:Iv. References:1, modify the Strings.xml file

Change version1. Right-click-->properties2.android. Change the required versionwatermark/2/text/ahr0cdovl2jsb2cuy3nkbi5uzxqvdtaxmzqyntuynw==/font/5a6l5l2t/fontsize/400/fill/i0jbqkfcma==/ Dissolve/70/gravity/southeast ">3.apply-->okwatermark/2/text/ahr0cdovl2jsb2cuy3nkbi5uzxqvdtaxmzqyntuynw==/font/5a6l5l2t/fontsize/400/fill/i0jbqkfcma==/ Dissolve/70/gravity/southe

For projects that have been established, if the original project name is found to be inappropriate, if you want to completely change the project name, you need three steps:1. Change the project nameSelect the project name and right-click-->refactor-->rename.2. Change the package name under the src fileSelect the package name and

Just turned into Android Studio and was not familiar with some of the operations in as, so record ...Change the code hint shortcut in as, as do is also very smart, in Keymap can choose to use Eclipse shortcut key settings, but although set up, for some shortcut keys still can't use, then we need to manually modify. In the code hint as the default shortcut key is Ctrl+alt+space, anyway I am not used to, or

RadiogroupRadiogroup Android:id="@+id/client_charge_radiogroup"Android:layout_width="200DP"Android:layout_height="40DP"Android:layout_marginleft="5DP"Android:layout_alignparentright="true"Android:fadingedge="None"android:gravity="center_vertical"android:layout_centervertical="true"android:orientation="Horizontal"> RadioButton Android:id="@+id/client_radio_label"Android:layout_width="0DP"Android:layout_height="match_parent"Android:layout_weight="1"Android:button="@color/transparent"android:gravit