Let's create a method, it will be a public method which will take no argument and in here we can call the object of our view all button and we can call set on click listener, set on click listener and inside this we will create a new on click listener and when this button is clicked we want to perform some action. Step 6) And now once we have casted our button we can use the button object to call set on click listener. java class and in here, first of all, we will create the variable for view all button and also we will cast this button. Step 5) Now we are going to our main activity.
Sqlite database in android studio how to#
Read Here About How to insert data into SQLite database in Android So you can see here we are querying the database and the result we are storing it in the cursor instance and using this we have an access to our data. This cursor class is the interface which provides the random read-write access to your result okay. Note: (*) asterisk stands for all from table.Īnd now we just need to return the instance of the cursor which is RES. The table an argument which we are going to pass it as null for now. So this is a simple query we going to write And if you know how to query SQLite database, you may know how to query all the data from the table. Step 4) Then we will create an instance of our curser class and name it as, for examples, 'rest' for result and then we will take an instance of our database and call a raw query on this database so raw query. Step 3) Now we’re going to create the instance of database class just as we have done in the previous tutorial. This curser will show some error so you just need to press alt+enter to import the class which is curser class. So we are going to go to our database helper class and inside this database helper class we are going to create a new method and this method we are going to call as get all data which will be a public method and its going to return a class or an instance of a class called curser. Step 2) Now once our button is created what we’re going to do is we re going to create a method to get all the table data.
So we change the text as view all and the button ID also I’m going to change as button.
Step 1) First of all we’re going to take a button and this button we are going to use to view all data. Please follow the steps below in order to get all data from SQLite database table and show it on your Android: Before starting this Tutorial you should know
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