On implementing the onGestureListener you can get the events like Fling LongPress Scroll ShowPress SingleTap Its really simple, otherwise we have to calculate the distance between the touchdown and touchup event to check a fling event is happened or not.
When run the code the output will be similar to this Total memory is: 5177344 Initial free memory: 4986744 Free memory after garbage collection: 5063784 Free memory after allocation: 5045296 Memory used by allocation: 18488 Free memory after collecting discarded Integers: 5063784
The first part is explained in this Tutorial, that is taking the screenshot of the application (View). The second part is storing it in the SDCARD. This is possible by compressing the image bitmap to bytes and then store. Finally dont forgot to put the following permission in the manifest file.
Instead of using a button on the view we can use the softkeyboard done button to trigger an action. The action can include calling another activity or retrieving the data from the EditText etc. The main.xml contains an Edittext For listening to the keyboard event we need onKeyListener
Merging layout is an excellent feature in android. Separate xml can be included in a single xml. For this first i create a main.xml file In the bottom you can see that i have included a xml file named footer2button.xml The Merged layout will be like this
The program contains a class complex with two member variables x and y and a string class with one member variable. Two objects are created for complex class and string class and accepted values through read () function and their values are added using the operator overloaded function and assigned to the third object for each class. Values… Read More »
Three file objects are created using the fstream class one for first, second for second file and third for the appended file. The first two files are opened in the input mode and third in the append mode. The first file is opened and checked for error condition if the file exist its contents are written to the… Read More »
Two file objects are created using the fstream class for the two files, one for source file and another destination file. The first file is opened and its contents are copied to the second file using get ( ) and put ( ) function. Each time the source file is opened error checking is done to ensure that… Read More »
The FlowLayout class puts components in a row, sized at their preferred size. Creates a new flow layout manager with the indicated alignment and the indicated horizontal and vertical gaps. The hgap and vgap arguments specify the number of pixels to put between components. The output window look like this
Restart the adb.exe First stop the adb by typing the command in the Terminal adb kill-server Then start the server adb start-server
This error often comes when your android project size is large. Try the following steps to remove the error 1. Clean the project Project > Clean 2. Increase the memory allocated in eclipse.ini Open the eclipse.ini file in the the Eclipse folder. Then edit -Xms128m to -Xmx512m or something higher Hope this help you
A series of frames is drawn one after the other at regular intervals. For this create a xml which contains ImageView for showing the animation The main java file is Next the main part, an xml which holds each image and duration in which each image shows. The xml should be placed inside drawable folder When i click… Read More »
For implementing a ListView, we first create a xml which contains a ListView named list.xml Next we create a Dialog Object and inflate the above xml and when the listItem is clicked then a Alert Dialog windows comes The java file is listed below The alert window look like this When the Item is selected then
By adding a custom shape we can make the layout more attractive. For this we have to create a xml file and specify this in the main layout xml file First make a xml inside the drawable folder. Then in the main file specify this shape like this. The “category” is the name of the xml specifying the… Read More »
First create a database named “mydatabase” in MySql. Then create a table “tbl_user” with three fields (id, username and password). The next step is to create a php page which will communicate between the MySql database and the android application. For this create a “Connections.php” page as shown below. It will set up a connection to the database… Read More »