痞客興的部落格

activity_main.xml

<RelativeLayout 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:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity">

<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">

<TextView android:text="@string/hello_world" android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/showtime" />

<TextView android:text="@string/hello_world" android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/showxy" />

</LinearLayout>

</RelativeLayout>

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.user.servicetestloop" >

<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES"/>
<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>
<service android:name=".MyService" />
</application>

</manifest>

MainActivity.java

package com.example.user.servicetestloop;

import android.content.Intent;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.TextView;

public class MainActivity extends ActionBarActivity {

public static TextView showtime;
public static TextView showxy;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

showtime = (TextView)findViewById(R.id.showtime);
showxy = (TextView)findViewById(R.id.showxy);

Intent myIntent = new Intent(this,MyService.class);
startService(myIntent);

}

@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);
}
}

MyService.java

package com.example.user.servicetestloop;

import android.app.Service;
import android.content.Intent;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.os.Handler;
import android.os.IBinder;
import android.util.Log;

import java.util.Date;

/**
* Created by User on 2015/8/24.
*/
public class MyService extends Service{

private Handler handler = new Handler();
private LocationManager locMgr;
private MyLocationListener locMgrListener;
public static final String TAG = "MyService";
String bestProv;
String x,y;

@Override
public void onCreate() {
super.onCreate();
locMgr = (LocationManager) getSystemService(LOCATION_SERVICE);
locMgrListener = new MyLocationListener();
Log.d(TAG, "onCreate() executed");
}

@Override
public void onStart(Intent intent, int startId) {
handler.postDelayed(showTime, 1000);
super.onStart(intent, startId);
}

@Override
public int onStartCommand(Intent intent, int flags, int startId) {
boolean mode = intent.getBooleanExtra("mode", true);
if (mode){
locMgr.requestLocationUpdates(LocationManager.GPS_PROVIDER, 10, 0, locMgrListener);
}else {
locMgr.removeUpdates(locMgrListener);
}
return super.onStartCommand(intent, flags, startId);
}

@Override
public void onDestroy() {
super.onDestroy();
Log.d(TAG, "onDestroy() executed");
}

@Override
public IBinder onBind(Intent intent) {
return null;
}

private Runnable showTime = new Runnable() {
public void run() {
//log目前時間
Log.i("time:", new Date().toString());
Log.i("xy:", x+"and"+y);
MainActivity.showtime.setText(new Date().toString());
MainActivity.showxy.setText(x+"and"+y);
handler.postDelayed(this, 1000);
}
};

private class MyLocationListener implements LocationListener {

@Override
public void onLocationChanged(Location location) {
x = Double.toString(location.getLatitude());
y = Double.toString(location.getLongitude());
}

@Override
public void onProviderDisabled(String provider) {
// TODO Auto-generated method stub

}

@Override
public void onProviderEnabled(String provider) {
// TODO Auto-generated method stub

}

@Override
public void onStatusChanged(String provider, int status, Bundle extras) {
// TODO Auto-generated method stub

}

}

}