Android studioで位置情報を表示したいのですが,GPS情報取得が一向に終わらないので,ネットワーク経由からやろうとしています。しかし,Unfortunately, GPSApp has stoppedと出て,アプリが落ちてしまいます。
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" /> <uses-permission android:name=”android.permission.ACCESS_COARSE_LOCATION”/> このふたつをmanifestに記載するとGPSの取得待ちで表示されず,ネットワーク経由のみだと上記のようになります。 中国製の端末でバージョンがandroid4.0.3です。 android studioは2.2.2を使用しています。 最終的には加速度と一緒にsdカードなどに値を表示したいです。 ```java package com.example.g1323073.gps05;import android.Manifest;
import android.content.Context;
import android.content.pm.PackageManager;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.support.v4.app.ActivityCompat;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.TextView;
public class MainActivity extends AppCompatActivity {
private LocationManager mLocationManager = null; private LocationListener mLocationListener = null; protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mLocationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE); final boolean gpsEnabled = mLocationManager.isProviderEnabled(LocationManager.GPS_PROVIDER); if (!gpsEnabled) { // ToDo: GPS 有効にしてくれー } mLocationListener = new LocationListener() { // http://developer.android.com/reference/android/location/Location.html public void onLocationChanged(Location location) { String out = "---------- Location --------\n" + "緯度(Latitude)\n\t" + String.valueOf(location.getLatitude()) + " 度\n" + "経度(Longitude)\n\t" + String.valueOf(location.getLongitude()) + " 度\n" + "高度(Altitude)\n\t" + String.valueOf(location.getAltitude()) + " m\n" + "精度(Accuracy)\n\t" + String.valueOf(location.getAccuracy()) + " m\n" + "速度(Speed)\n\t" + String.valueOf(location.getSpeed()) + " m/s\n" + "方角(Bearing)\n\t" + String.valueOf(location.getBearing()) + " 度\n" + "時刻(Time)\n\t" + String.valueOf(location.getTime()) + " ミリ秒\n" + "\n"; Bundle extra = location.getExtras(); if (extra != null) { int satellites = extra.getInt("satellites"); out += "extra.satellites\n\t" + String.valueOf(satellites); } TextView t = (TextView) findViewById(R.id.textView1); t.setText(out); } public void onStatusChanged(String provider, int status, Bundle extras) { } public void onProviderEnabled(String provider) { } public void onProviderDisabled(String provider) { } }; } protected void onStart() { // ⇔ onStop super.onStart(); if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) { // TODO: Consider calling // ActivityCompat#requestPermissions // here to request the missing permissions, and then overriding // public void onRequestPermissionsResult(int requestCode, String[] permissions, // int[] grantResults) // to handle the case where the user grants the permission. See the documentation // for ActivityCompat#requestPermissions for more details. return; } mLocationManager.requestLocationUpdates( LocationManager.GPS_PROVIDER, 1000 * 1/*mSec*/, 1/*meter*/, mLocationListener); } protected void onStop() { // ⇔ onStart super.onStop(); if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) { // TODO: Consider calling // ActivityCompat#requestPermissions // here to request the missing permissions, and then overriding // public void onRequestPermissionsResult(int requestCode, String[] permissions, // int[] grantResults) // to handle the case where the user grants the permission. See the documentation // for ActivityCompat#requestPermissions for more details. return; } mLocationManager.removeUpdates(mLocationListener); }
}