android 擷取GPS定位，androidgps定位

android 擷取GPS定位，androidgps定位

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"    package="com.example.yanlei.yl5" >    <uses-permission android:name="android.permission.READ_CONTACTS"/>    <uses-permission android:name="android.permission.WRITE_CONTACTS"/>    <uses-permission android:name="android.permission.VIBRATE"/>    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>    <uses-permission android:name="android.permission.SET_WALLPAPER"/>    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>    <uses-permission android:name="android.permission.SEND_SMS"/>    <uses-permission android:name="android.permission.RECEIVE_SMS"/>    <uses-permission android:name="android.permission.RECEIVE_MMS"/>    <uses-permission android:name="android.permission.WRITE_SMS"/>    <uses-permission android:name="android.permission.READ_SMS"/>    <uses-permission android:name="android.permission.NFC"/>    <uses-permission android:name="android.permission.TRANSMIT_IR"/>    <uses-permission android:name="android.permission.READ_PHONE_STATE"/>    <!-- For android.media.audiofx.Visualizer -->    <uses-permission android:name="android.permission.RECORD_AUDIO"/>    <!-- We will request access to the camera, saying we require a camera of some sort but not one with autofocus capability. -->    <uses-permission android:name="android.permission.CAMERA"/>        <!-- 串連<a href="http://www.it165.net/news/nhlw/" target="_blank" class="keylink">互連網</a>Internet許可權 -->    <uses-permission android:name="android.permission.INTERNET" />    <!-- GPS定位許可權 -->    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />    <application        android:allowBackup="true"        android:icon="@mipmap/ic_launcher"        android:label="@string/app_name"        android:theme="@style/AppTheme" >        <activity            android:name=".MainActivity"            android:label="@string/app_name" >            <intent-filter>                <action android:name="android.intent.action.MAIN" />                <category android:name="android.intent.category.LAUNCHER" />            </intent-filter>        </activity>    </application></manifest>

activity_main.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:id="@+id/layout"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:background="@android:color/white"    android:orientation="vertical" >    <TextView        android:id="@+id/tv"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="經緯度資訊："        android:textColor="#660000"        android:textSize="20sp" /></LinearLayout>

MainActivity.java

package com.example.yanlei.yl5;import android.app.PendingIntent;import android.content.Context;import android.content.Intent;import android.location.Location;import android.location.LocationListener;import android.location.LocationManager;import android.net.Uri;import android.os.Bundle;import android.os.Handler;import android.provider.Settings;import android.support.v7.app.AppCompatActivity;import android.util.Log;import android.view.Menu;import android.view.MenuItem;import android.widget.TextView;//import java.util.logging.Handler;public class MainActivity extends AppCompatActivity {    private static final String TAG = MainActivity.class.getSimpleName();    private double latitude = 0.0;    private double longitude = 0.0;    private TextView info;    private LocationManager locationManager;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        //requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);        setContentView(R.layout.activity_main);        info = (TextView) findViewById(R.id.tv);        locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);        if (locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER)) {            getLocation();            //gps已開啟        } else {            toggleGPS();            new Handler() {}.postDelayed(new Runnable() {                @Override                public void run() {                    getLocation();                }            }, 2000);        }    }    private void toggleGPS() {        Intent gpsIntent = new Intent();        gpsIntent.setClassName("com.android.settings", "com.android.settings.widget.SettingsAppWidgetProvider");        gpsIntent.addCategory("android.intent.category.ALTERNATIVE");        gpsIntent.setData(Uri.parse("custom:3"));        try {            PendingIntent.getBroadcast(this, 0, gpsIntent, 0).send();        } catch (PendingIntent.CanceledException e) {            e.printStackTrace();            locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 1000, 0, locationListener);            Location location1 = locationManager.getLastKnownLocation(LocationManager.NETWORK_PROVIDER);            if (location1 != null) {                latitude = location1.getLatitude(); // 經度                longitude = location1.getLongitude(); // 緯度            }        }    }    private void getLocation() {        Location location = locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);        if (location != null) {            latitude = location.getLatitude();            longitude = location.getLongitude();        } else {            locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 1000, 0, locationListener);        }        info.setText("緯度：" + latitude + "\n" + "經度：" + longitude);    }    LocationListener locationListener = new LocationListener() {        // Provider的狀態在可用、暫時不可用和無服務三個狀態直接切換時觸發此函數        @Override        public void onStatusChanged(String provider, int status, Bundle extras) {        }        // Provider被enable時觸發此函數，比如GPS被開啟        @Override        public void onProviderEnabled(String provider) {            Log.e(TAG, provider);        }        // Provider被disable時觸發此函數，比如GPS被關閉        @Override        public void onProviderDisabled(String provider) {            Log.e(TAG, provider);        }        // 當座標改變時觸發此函數，如果Provider傳進相同的座標，它就不會被觸發        @Override        public void onLocationChanged(Location location) {            if (location != null) {                Log.e("Map", "Location changed : Lat: " + location.getLatitude() + " Lng: " + location.getLongitude());                latitude = location.getLatitude(); // 經度                longitude = location.getLongitude(); // 緯度            }        }    };     // 開啟和關閉gps第二種方法      private void openGPSSettings() {        //擷取GPS現在的狀態（開啟或是關閉狀態）        boolean gpsEnabled = Settings.Secure.isLocationProviderEnabled(getContentResolver(), LocationManager.GPS_PROVIDER);        if (gpsEnabled) {            //關閉GPS            Settings.Secure.setLocationProviderEnabled(getContentResolver(), LocationManager.GPS_PROVIDER, false);        } else {            //開啟GPS            Settings.Secure.setLocationProviderEnabled(getContentResolver(), LocationManager.GPS_PROVIDER, true);        }    }    @Override    public boolean onCreateOptionsMenu(Menu menu) {        // Inflate the menu; this adds items to the action bar if it is present.        getMenuInflater().inflate(R.menu.menu_main, menu);        return true;    }    @Override    public boolean onOptionsItemSelected(MenuItem item) {        // Handle action bar item clicks here. The action bar will        // automatically handle clicks on the Home/Up button, so long        // as you specify a parent activity in AndroidManifest.xml.        int id = item.getItemId();        //noinspection SimplifiableIfStatement        if (id == R.id.action_settings) {            return true;        }        return super.onOptionsItemSelected(item);    }}