GPSを使う
3842 ワード
xmlで
MainActivityで
インベントリファイル
シミュレータを使用する場合は、DDMSのEmulator ControlでLocation Controlに座標sendを入力すればよいので、まずプロジェクトを実行してください
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:orientation="vertical"
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"
tools:context=".MainActivity" >
<EditText
android:id="@+id/et"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:cursorVisible="false"
android:editable="false"
/>
</LinearLayout>
MainActivityで
package com.example.gps;
import android.location.Criteria;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.opengl.ETC1;
import android.os.Bundle;
import android.app.Activity;
import android.content.Context;
import android.view.Menu;
import android.widget.EditText;
public class MainActivity extends Activity {
LocationManager locationManager;
EditText editText;
LocationListener ll = new LocationListener() {
@Override
public void onStatusChanged(String provider, int status, Bundle extras) {
// TODO Auto-generated method stub
}
@Override
public void onProviderEnabled(String provider) {
//
Location location = locationManager.getLastKnownLocation(provider);
updateView(location);//
}
@Override
public void onProviderDisabled(String provider) {
// TODO Auto-generated method stub
updateView(null);
}
@Override
public void onLocationChanged(Location location) {
// TODO Auto-generated method stub
updateView(location);
}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
editText = (EditText) findViewById(R.id.et);
locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
String bestProvider = locationManager.getBestProvider(getCriteria(), true);//
Location location = locationManager.getLastKnownLocation(bestProvider);//
updateView(location);//
//locationManager.requestLocationUpdates(provider, minTime, minDistance, listener)
locationManager.requestLocationUpdates(bestProvider, 5000, 8, ll);//
}
//
public Criteria getCriteria() {
Criteria criteria = new Criteria();
criteria.setAccuracy(Criteria.ACCURACY_COARSE);//
criteria.setSpeedRequired(false);//
criteria.setCostAllowed(false);//
criteria.setBearingRequired(false);//
criteria.setAltitudeRequired(false);//
criteria.setPowerRequirement(Criteria.POWER_LOW);//
return criteria;
}
// editText
public void updateView(Location newLocation) {
if (newLocation != null) {
editText.setText("
: ");
editText.append(String.valueOf(newLocation.getLatitude()));//
editText.append("
:");
editText.append(String.valueOf(newLocation.getLongitude()));//
} else {
// , editText
editText.getEditableText().clear();
}
}
}
インベントリファイル
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
シミュレータを使用する場合は、DDMSのEmulator ControlでLocation Controlに座標sendを入力すればよいので、まずプロジェクトを実行してください