An android library that lists all states in Nigeria and their respective Local Government Areas. This is particularly useful in setting up dependent spinners for both states and their respective local government areas.
To get the project into your build:
Step 1. Add the JitPack repository to your build file. Add it in your root build.gradle at the end of repositories:
allprojects {
repositories {
...
maven { url 'https://jitpack.io' }
}
}
dependencies {
implementation 'com.github.Ikhiloya:NigeriaStatesAndLGAs:0.1.1'
}
You can add dependent Spinners to an Android App by following the following steps
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal"
android:paddingLeft="@dimen/padding"
android:paddingTop="@dimen/padding"
android:paddingRight="@dimen/padding"
android:paddingBottom="@dimen/padding"
tools:context=".MainActivity">
<Spinner
android:id="@+id/stateSpinner"
android:layout_width="0dp"
android:layout_height="50dp"
android:layout_marginEnd="8dp"
android:layout_marginRight="8dp"
android:layout_weight="1" />
<Spinner
android:id="@+id/lgaSpinner"
android:layout_width="0dp"
android:layout_height="50dp"
android:layout_weight="1" />
</LinearLayout>
public class MainActivity extends AppCompatActivity {
private Spinner mStateSpinner, mLgaSpinner;
private String mState, mLga;
private List<String> states;
private static final int SPINNER_HEIGHT = 500;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mStateSpinner = findViewById(R.id.stateSpinner);
mLgaSpinner = findViewById(R.id.lgaSpinner);
resizeSpinner(mStateSpinner, SPINNER_HEIGHT);
resizeSpinner(mLgaSpinner, SPINNER_HEIGHT);
states = Nigeria.getStates();
//call to method that'll set up state and lga spinner
setupSpinners();
}
/**
* Method to set up the spinners
*/
public void setupSpinners() {
// Create adapter for spinner. The list options are from the String array it will use
// the spinner will use the default layout
//populates the quantity spinner ArrayList
ArrayAdapter<String> statesAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, states);
// Specify dropdown layout style - simple list view with 1 item per line
statesAdapter.setDropDownViewResource(android.R.layout.simple_dropdown_item_1line);
// Apply the adapter to the spinner
statesAdapter.notifyDataSetChanged();
mStateSpinner.setAdapter(statesAdapter);
// Set the integer mSelected to the constant values
mStateSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
mState = (String) parent.getItemAtPosition(position);
setUpStatesSpinner(position);
}
// Because AdapterView is an abstract class, onNothingSelected must be defined
@Override
public void onNothingSelected(AdapterView<?> parent) {
// Unknown
}
});
}
/**
* method to set up the state spinner
*
* @param position current position of the spinner
*/
private void setUpStatesSpinner(int position) {
List<String> list = new ArrayList<>(Nigeria.getLgasByState(states.get(position)));
setUpLgaSpinner(list);
}
/**
* Method to set up the local government areas corresponding to selected states
*
* @param lgas represents the local government areas of the selected state
*/
private void setUpLgaSpinner(List<String> lgas) {
ArrayAdapter lgaAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, lgas);
lgaAdapter.setDropDownViewResource(android.R.layout.simple_dropdown_item_1line);
lgaAdapter.notifyDataSetChanged();
mLgaSpinner.setAdapter(lgaAdapter);
mLgaSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> parent, View view, int position, long l) {
mLga = (String) parent.getItemAtPosition(position);
Toast.makeText(MainActivity.this, "state: " + mState + " lga: " + mLga, Toast.LENGTH_LONG).show();
}
@Override
public void onNothingSelected(AdapterView<?> adapterView) {
}
});
}
private void resizeSpinner(Spinner spinner, int height) {
try {
Field popup = Spinner.class.getDeclaredField("mPopup");
popup.setAccessible(true);
//Get private mPopup member variable and try cast to ListPopupWindow
android.widget.ListPopupWindow popupWindow = (android.widget.ListPopupWindow) popup.get(spinner);
//set popupWindow height to height
popupWindow.setHeight(height);
} catch (NoClassDefFoundError | ClassCastException | NoSuchFieldException | IllegalAccessException ex) {
ex.printStackTrace();
}
}
}
- Fork it!
- Create your feature branch:
git checkout -b my-new-feature - Commit your changes:
git commit -m 'Add some feature' - Push to the branch:
git push origin my-new-feature - Submit a pull request :D
- Ikhiloya Imokhai imokhaiikhiloya@gmail.com
MIT License
Copyright (c) 2019 Ikhiloya Imokhai
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.