Modify AndroidManifest.xml.
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.androidsearchgeocoder"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="17" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.example.androidsearchgeocoder.MainActivity"
android:label="@string/app_name"
android:launchMode="singleTop" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
<intent-filter>
<action android:name="android.intent.action.SEARCH" />
</intent-filter>
<meta-data android:name="android.app.searchable"
android:resource="@xml/searchable" />
</activity>
</application>
</manifest>
/res/xml/searchable.xml
<searchable xmlns:android="http://schemas.android.com/apk/res/android"
android:label="@string/app_name"
android:hint="Search by Name"
>
</searchable>
MainActivity.java
package com.example.androidsearchgeocoder;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import android.location.Address;
import android.location.Geocoder;
import android.os.Bundle;
import android.app.Activity;
import android.app.SearchManager;
import android.content.Intent;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;
public class MainActivity extends Activity {
ListView listResult;
private ArrayAdapter<String> adapter;
Geocoder geocoder;
final static int maxResults = 5;
List<Address> locationList;
List<String> locationNameList;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
listResult = (ListView)findViewById(R.id.resultlist);
handleIntent(getIntent());
geocoder = new Geocoder(this, Locale.ENGLISH);
locationNameList = new ArrayList<String>(); //empty in start
adapter = new ArrayAdapter<String>(this,
android.R.layout.simple_spinner_item, locationNameList);
listResult.setAdapter(adapter);
}
@Override
protected void onNewIntent(Intent intent) {
setIntent(intent);
handleIntent(intent);
}
private void handleIntent(Intent intent) {
if (Intent.ACTION_SEARCH.equals(intent.getAction())) {
String query = intent.getStringExtra(SearchManager.QUERY);
doSearch(query);
}
}
private void doSearch(String query){
try {
locationList = geocoder.getFromLocationName(query, maxResults);
if(locationList == null){
Toast.makeText(getApplicationContext(),
"locationList == null",
Toast.LENGTH_LONG).show();
}else{
if(locationList.isEmpty()){
Toast.makeText(getApplicationContext(),
"locationList is empty",
Toast.LENGTH_LONG).show();
}else{
Toast.makeText(getApplicationContext(),
"number of result: " + locationList.size(),
Toast.LENGTH_LONG).show();
locationNameList.clear();
for(Address i : locationList){
if(i.getFeatureName() == null){
locationNameList.add("unknown");
}else{
locationNameList.add(i.getFeatureName());
}
}
adapter.notifyDataSetChanged();
}
}
} catch (IOException e) {
Toast.makeText(getApplicationContext(),
"network unavailable or any other I/O problem occurs",
Toast.LENGTH_LONG).show();
e.printStackTrace();
}
String result ="Finished - " + query;
//I can't close search dialog, so I call it again to keep it active.
//Otherwise, user see the search dialog opened, but cannot search in seconf time.
onSearchRequested();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.search:
onSearchRequested();
return true;
default:
return false;
}
}
}
Layout
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:orientation="vertical"
tools:context=".MainActivity" >
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/hello_world" />
<ListView
android:id="@+id/resultlist"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
</LinearLayout>
Download the files.
Next:
- Get details of Address returned from Geocoder
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