The width attribute of the element is used to set the width of the canvas in pixels. Following is the syntax −Above, pixels_val is the width set in pixels. Let us now see an example to implement the width attribute of the element −Example Live Demo ... Read More

This example demonstrate about How to limit text length of EditText in Android.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml.     Step ... Read More

This example demonstrate about How to lock the Android device programmatically.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml     Step 3 − ... Read More

This example demonstrate about How to check Android Phone Model programmatically.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml.     Step 3 − ... Read More

This example demonstrate about How to get current foreground activity context in AndroidStep 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to src/MyApp.javapackage app.tutorialspoint.com.sample ; import android.app.Activity ... Read More

This example demonstrate about How can I validate EditText input in Android.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.java     Step 3 ... Read More

You can use length() from MySQL to find the size of text stores in a specific column. Let us first create a tablemysql> create table DemoTable    (    CustomerName longtext    ); Query OK, 0 rows affected (0.67 sec)Insert records in the table using insert command −mysql> insert into ... Read More

This example demonstrate about How do I get the resource id of an image if I know its name in AndroidStep 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the ... Read More

The IF() function returns a value based on a condition.The syntax is as follows−SELECT IF(yourCondition, yourMessageIfConditionBecomesTrue, yourMessageIfConditionBecomesFalse) from yourTableName; Let us first create a table: mysql> create table DemoTable    (    Value int    ); Query OK, 0 rows affected (0.60 sec)Insert records in the table using insert command ... Read More

Use the getPreviousLeaf() method to get the previous leaf in a JTree. Here, we are displaying the leaf before this node “eight” on Console -System.out.println("Get Previous Leaf = "+eight.getPreviousLeaf());The following is an example to get the previous leaf from a JTree -Examplepackage my; import javax.swing.JFrame; import javax.swing.JTree; import javax.swing.tree.DefaultMutableTreeNode; public ... Read More