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: Com.android.launcher.action.UNINSTALL_SHORTCUT*/Intent addintent = new Intent ("Com.android.launcher.action.INSTALL_SHORTCUT");/**android specifically provides Intent.ShortcutIconResource.fromContext to create a shortcut icon, and finally returns it through Setresult */parcelable icon = Intent.ShortcutIconResource.fromContext (Mainactivity.this, R.drawable.ic_launcher);Intent myintent = new Intent (mainac
Linearlayoutmanager (Mrecyclerview.getcontext ())); Mrecyclerview.setadapter (New Recyclerviewadapter (Getactivity ())); } public class Recyclerviewadapter extends recyclerview.adapteryou can see that the real fragment layout is actually a recylerview. Fragment_activity_new.xml layoutFragment_activity.xml layoutNote that, if there is a ListView inside the Fragment_activity.xml, the layout of the ListItem must be linearlayout, and the height of the ListView must be calculated, otherwise the e
Recognize Activity and create the first android app, activityandroid Activity is the most basic core component of Android applications and a window for user-to-application interaction. In Android applications, an Activity usually corresponds to a separate view. An
Create a Material Design-style Android app-define the shadow and cropping view, materialandroid I have previously written about using the topic and ListView, CardView, and Material Design Styles. Both of them can be backward compatible through the support library. The shadow and view cropping to be written today are not backward compatible. Please note. Material
Please modify the file/alps/frameworks/ex/chips/src/com/android/ex/chips/recipientalternatesadapter.javaprivate static Cursor Queryaddressdata (context context, arraylistPut here:M:support recognizing, kinds of separator. @{Char[] Seperatorarr = {', ', '; '};int indexofseparator =-1;int cnt = 0;while ((Indexofseparator = 1) (CNT Indexofseparator = Phonestr.indexof (seperatorarr[cnt]);cnt++;}if (indexofseparator! =-1) {Phonestr = phonestr.substring (0
Tutorialhttps://www.jianshu.com/p/bf77cb5ce70bPlaces to be aware ofJDK Directory LookupThe JDK directory is copied to the tool directory (JDK can be copied, no other involved)https://www.jianshu.com/p/bf77cb5ce70bInstallation path of the JDK under Mac46636769Setting environment variableshttps://segmentfault.com/q/1010000002948042If you create an empty project, you may not be able to create it.
can be created less. 2, to avoid unnecessary drawing logic, when needed to draw. This needs to be adjusted based on the control's drawing logic, which is also very important. 3, the general principle is to do everything possible to control the implementation of the OnDraw method within 16ms, will not be card. Finally, look at the effect we've achieved. Source Address: GitHub Address The above is a small set to introduce Android to
The source is the campus second-hand trading system application with the service side, is also an Android and Javaweb-based campus second-hand trading system, including a full set of Android client, Javaweb server, MySQL database, can be basic list display posts, display post details, user registration login, favorite posts, messages , upload images to publish in
First choose your own application, find here650) this.width=650; "src=" Http://s4.51cto.com/wyfs02/M01/76/5A/wKioL1ZQckqzegPkAAFp76r5pBs238.png "title=" Qq20151121212728.png "alt=" Wkiol1zqckqzegpkaafp76r5pbs238.png "/>Click to enter to create a new key650) this.width=650; "src=" Http://s4.51cto.com/wyfs02/M01/76/5B/wKiom1ZQcoLSDQh9AACICvolBm4588.png "title=" Qq21110151121213201.png "alt=" Wkiom1zqcolsdqh9aacicvolbm4588.png "/>Then fill in the appropr
File--new--android Application ProjectMain class inherits activityClass mainactivity extends activity{ @Override void// TODO auto-generated method Stub Super.oncreate (savedinstancestate); Setcontentview (r.layout.mainactivity); }}Setcontentview (r.drawable import COM.EXAMPLE.ACTIVITY.R;Create layoutSet in Androidmanifest.xmlApplication android:allowbackup="True"android:icon="@drawable/ic_launcher "
Version: v2.0Group: 26346176For an updated version welcome to our "Local application development WebApp" group and work together to develop a "local application" that is run everywhere. We will always open source, the wisdom of sharing, only so that we can together the application experience to do well!Characteristics:1, the program is simple, this program only a class, you just need to modify the URL and replace the image can be generated by your Android
Use Android-Debug-Database to view the App Database in the browser. Usage reference:Http://www.jianshu.com/p/89ccae3e590bSource Code address:Https://github.com/amitshekhariitbhu/Android-Debug-DatabaseFeatures: Add dependency:Add the following code in your build. gradle:1 deb
The SQLite database is a built-in database of Android, small and powerful enough to work with most SQL statements, while SQLite databases are just files. Although SQLite is a bit much, but not as powerful as the PC-side MySQL, and the Android system is not allowed to operate the remote
Create an android ORM framework opendroid (2) -- automatically create a database, ormopendroid In the previous blog "Create an android ORM framework opendroid (1)-use An ORM framework", I believe you have learned about the use of
is not an arrayTo enable chained queries that support query results, realm customizes a collection type. Can enumerate, but is not familiar with the array anymore. Because of the lazy loading mechanism of realm, it is not recommended to turn this enumeration into an array type at the data layer. The disadvantage is that the upper layer knows the storage logic of the data. Strictly speaking, we should not let the upper level know. But this design may be to facilitate the retrieval of the upper l
Operations related to android DataBase (Create Table Structure and create table) First, create a base class for the table: public abstract class DbBaseTable { private static final String TAG = "DbBaseTable"; /** * @return the DB table name */ abstract String getName(); /*
. (rounded).OK, the design of the database is this way, to finish this feeling in fact the design of the database is not difficult, as long as they can analyze the focus of what is done in the good.The app's core data is actually a record, which includes category, time, time, and so on field values.However, it is not possible to design only one table, because designing a table is not conducive to querying a
right.3. Create a new class in the app with the following code: Public class extends Application { publicvoid onCreate () { super. OnCreate (); Stetho.initializewithdefaults (this);} }4. Configure the Name property of the application in manifests:Android:name= ". MyApplication "5. Finally enter the URL in the Chrome browserChrome://inspect (may require FQ)6. Connect your phone to your computer, ru
In Android development, if you use a database to store data, it is inevitable to look at the contents of the database, but for the root of the real machine, it is not so easy to view the database, if only to view the database and then put the phone root, a little more than t
Currently, the method described is only used to store some simple data. If you want to store relational data, you can use the database more efficiently. For example, you need to store the scores of each student in the school. In this case, you are best to use a database because you can query the scores of a student. Moreover, the use of databases can maintain the integrity of the relationships between diffe
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