This Tutorial App Coding a Sliding Drawer with ListView
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Coding a Sliding Drawer with ListView
If you are just arriving at this page; and you are not familiar with with creating Android Apps, we suggest you begin with our tutorials:
Coding Android App Pages
and How To Create a Simple App in Android
From there follow along with each tutorial lesson.
We are using AIDE(a mobile coding environment using language java/xml), to create these tutorial apps on our
tablet(7" screen) that has android version 5.0.
Once we build and RUN our app; we then install the app on this same tablet; and the app is also installed on a smart phone that has android version 6.
We are using the AIDE coding editor to code our pages; and then to Create - RUN our apps. AIDE is a SDK coding environment for android devices like a tablet or smartphone.
AIDE has a free and paid version.
Once you create your apps code pages, you need to RUN the app to build your apk package; then you INSTALL it on your tablet or smartphone.
For info on using AIDE, gohere
can also create; RUN your apps using the code in these tutorials, with Android Studio. Android Studio is for desktop computers. Choose Java XML as the programming language.
Android Studio is free to install and use for your android app development. Although not as convenient as testing your app on an actual android device; you can test
your newly created app in Android Studio using its' android emulator.
Complete Example Codes are available for each of our tutorials. With these example codes you can make a functioning android app in
either AIDE or Android Studio.
First, create a java/xml android template app using AIDE, (or Android Studio). Then you can get the code for this app from the EXAMPLE CODE section on this page.
Replace the code on the pages you need to(with our tutorial code); in order to create this app.
Sometimes, new pages have to be created.
All the other coded pages in your app
can remain as they are; they don't need to be changed.
This is the App - SlidingDrawerListView
This is the Sliding Drawer Left to Right
Where - How - To Use a Sliding Drawer with ListView
As you learned in our previous tutorial - SlidingDrawer; a sliding drawer can be used to overlap two views. The sliding drawer view
slides out from the side, top, or bottom of the app view.
You can customize the sliding drawer by adding to it
text, images, buttons, whatever you want. A Sliding Drawer is coded in the SlidingDrawer element.
For this tutorial we are coding a sliding drawer with a ListView. The listview is our first view, and then we added the sliding drawer view.
We gave the sliding drawer a light green background color and added to it an image and some text.
We also included a FrameLayout so the two views - ListView, and SlidingDrawer view would overlap each other.
The sliding drawer needs a handle which we added in our code. The handle is an image. You can add whatever you want for the handle image. The image
is added to the res/drawable-hdpi folder of your app project. If you want you can rotate the handle image by using the android:rotation
attribute in your code.
Our ListView is coded using the ListView Element.
The listview requires an array to hold the items for the listview. The array is coded in the java file.
For our array we added English and Japanese words. You can add as many words as you want. They become scrollable once they exceed the
physical parameter of the device screen.
You can customize your listview layout. We added a divider and added color to the divider. You can also give
your divider a height which we did.
Additional Reading at Android Developer website
Sliding Drawer Android
Creating - Naming Your App Using AIDE
When creating your app,(from left menu) choose:
Create New Project;
New Android App(gradle, android Java/xml)
Hello World App Java/xml
if your using the original version of AIDE
You can name your app whatever you like; if your using the name as shown in our example code use;
for the App Name and,
for the package name(next line) use:
The Coded Pages
Code for the app - Sliding Drawer
For this app we need to edit these pages;
1 layout file, main.xml;
located at res/layout/main.xml, already created, just replace the code on this page with the code from our Example Code section and save the page.
The layout page has our Sliding Drawer code and it has the handle code for the sliding drawer. The ImageView with the id of handle contains the image: toggle_drawer.png,
that will be used as the handle for the sliding drawer.
We also wanted to add an image and some text to our drawer view. To do so, we coded a linear layout container, and within that container we added our ImageView element(with the id
of imageView1), and
to that we added our image - japanimage.png, and our TextView element for the text, which we coded in the text string named - drawertext, at res/strings.xml file.
We added a light green background to our sliding drawer view. This is coded in the Linear Layout code.
For our ListView, we added a ListView
element, and added our items to the listview using an array which we coded in our java file. You can also add some customization to
your listview layout; like a divider to put after each item and how tall you want the divider. We also gave our divider a color. These are coded in the ListView element's code.
Our app layout has a LinearLayout wrapper, and then a FrameLayout. We used the frame layout so the views would overlap each other. For our image and text in the drawer, we used
a LinearLayout to use as the container to put our ImageView and TextView elements.
1 java class page; MainActivity.java;
located at app/src/java/MainActivity.java, already created; we have to copy and replace the code on this page with the code
from our Example Code section. Save the page once the code is pasted.
In this file we put our array- listItemArray
which contains the item names for our listview. You can add as many items as you want. We added English to Japanese words.
Because we are using the ListView code class, the
items will scroll automatically once they exceed the physical boundry of the view display.
We also code our ArrayAdapter
where we define the layout for our
listview items. For this, we use the simple_list_item1
code, which is a built-in default code you can use for ListView. You need only define it at the android.R.layout
at ArrayAdapter in the MainActivity.java file; and put the android:id=@android:id/list
in your ListView element in the main.xml file.
The java page also has our import
codes. The import codes must be coded in your java page for each code class your implementing.
The import codes for this app are:
1 strings file, strings.xml
required for this App: The string file located at res/values/strings.xml has the required app_name string for the app name, and
the text for each of the views.
Just copy/paste the code from our Example Codes section. Save the page.
EXAMPLE CODE - Code For This Tutorial
JUST USE YOUR MOUSE to copy the code for this tutorial
App Name is 'SlidingDrawerListView - located at AppProjects/SlidingDrawerListView in AIDE, open the AIDE app, then open App Projects, THEN select the 'SLidingDrawerListView',
app from your files hierachy(left menu); then click on any file from the app, like strings.xml Make sure at top of page, the app name 'SlidingDrawerListView' is there next to
AppProjects like so: AppProjects/SlidingDrawerListView, then you know you have the proper App.
Once a file is in the editor, you can edit, save it, then RUN your APP, Install,
and Open your app.
Make sure you SAVED EACH PAGE,(or choose automatic saving in AIDE settings) before you RUN your code. SAVE, RUN, INSTALL, OPEN, your App. Once it has been
installed on your tablet, you can open it Simply by Clicking on the Android little green App Icon,with the wording 'SlidingDrawerListView' on your tablet. It will
be with your other installed apps.
If you make further changes to this App, you need to SAVE, RUN, UPDATE, INSTALL, OPEN the app.
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