List download files in listview android studio






















Therefore We will derive from baseadapter, an abstract class from which other adapters like ArrayAdapter do derive. This class shall inflate our model layout into CardView view items of our gridview. So basically this gridview will contain cardviews with PDF documents. This adapter class is also responsible for adapting our dataset into those respective views. A single cardview is comprising of image and text.

First a Context object as well as an arraylist of PDF Documents is passed to us via the constructor:. We also open activity,pdf activity when an item is clicked. We will create a method to do that for us:. As you can see we are using an intent, first instantiating, passing in the context as well as the target class.

This activity is responsible for listing our pdf documents in a list of gridview. The user can the scroll through those pdf documents. We are showing a gridview with cardviews with images and text. The images are the pdf icons while the textviews will show the pdf document name. We will have a method called getPDFs. Then return an arraylist of PDFDocs. Thanks Its working fine. I need onItemClicklistener actions also please help me.

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ArrayAdapter is also an implementation of BaseAdapter. In this example we display a list of countries with flags. For this, we have to use custom adapter as shown in example:.

Step 1: Create a new project Listebasexample and activity Main Activity. Step 3: In third step we will use custom adapter to display the country names in UI by coding MainActivity. Important Note: Make sure flag images are stored in drawable folder present inside res folder with correct naming. Below is the code of CustomAdapter. Now run the App in Emulator and it will show you name of countries along with flags.

Below is the output screen:. Now, I have next requirement ,I want ListView to clickable after selection of any image or text and it must also take all the data which that particular clicked listView contains. I want to make an activity where i can show the details of the particular item on the list.

Kindly give some tutorials. Thanks a lot for the outstanding job. I kindly request for a favor if possible, i want to know how to build the city guide. I do not necessarily want the code. Hi your tutorials are great- really comprehensive!

Is there an alternative for this without resorting to using a ViewHolder? Please help that why we need an extra layout file for list view even we are representing in activity main. Thank you admin. Thanks for suggesting a new topic. The SimpleCursorAdapter then creates a view for each row in the Cursor using the provided layout by inserting each from Columns item into the corresponding toViews view.

Android List View Advertisements. Previous Page. Next Page. Previous Page Print Page. Save Close. This could be in px, dp, sp, in, or mm. ListDisplay as explained in the Hello World Example chapter.



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