hmkcode
11 years ago
parent
17af32db1c
commit
ba184ea29b
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<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="com.hmkcode.android.location"
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android:versionCode="1"
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android:versionName="1.0" >
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<uses-sdk
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android:minSdkVersion="8"
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android:targetSdkVersion="19" />
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<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
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<uses-permission android:name="android.permission.INTERNET" />
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<application
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android:allowBackup="true"
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android:icon="@drawable/ic_launcher"
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android:label="@string/app_name"
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android:theme="@style/AppTheme" >
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<activity
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android:name=".MainActivity"
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android:label="@string/app_name" >
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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<meta-data android:name="com.google.android.gms.version"
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android:value="@integer/google_play_services_version" />
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</application>
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</manifest>
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<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:tools="http://schemas.android.com/tools"
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android:layout_width="match_parent"
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android:layout_height="match_parent">
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<TextView
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android:id="@+id/txtLong"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:layout_below="@+id/textView1"
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android:text="Long"
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android:textSize="24dp" />
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<TextView
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android:id="@+id/txtLat"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:layout_below="@+id/txtLong"
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android:text="Lat"
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android:textSize="24dp" />
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</RelativeLayout>
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@ -0,0 +1,117 @@
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package com.hmkcode.android.location;
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import com.google.android.gms.common.ConnectionResult;
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import com.google.android.gms.common.GooglePlayServicesClient;
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import com.google.android.gms.location.LocationClient;
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import com.google.android.gms.location.LocationListener;
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import com.google.android.gms.location.LocationRequest;
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import android.app.Activity;
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import android.content.Intent;
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import android.location.Location;
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import android.os.Bundle;
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import android.provider.Settings;
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import android.widget.TextView;
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import android.widget.Toast;
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public class MainActivity extends Activity implements
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GooglePlayServicesClient.ConnectionCallbacks,
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GooglePlayServicesClient.OnConnectionFailedListener,
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LocationListener {
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// locations objects
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LocationClient mLocationClient;
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Location mCurrentLocation;
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LocationRequest mLocationRequest;
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TextView txtLong,txtLat;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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// 1. setContnetView
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setContentView(R.layout.activity_main);
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// 2. get reference to TextView
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txtLong = (TextView) findViewById(R.id.txtLong);
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txtLat = (TextView) findViewById(R.id.txtLat);
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// 3. create LocationClient
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mLocationClient = new LocationClient(this, this, this);
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// 4. create & set LocationRequest for Location update
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mLocationRequest = LocationRequest.create();
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mLocationRequest.setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY);
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// Set the update interval to 5 seconds
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mLocationRequest.setInterval(1000 * 5);
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// Set the fastest update interval to 1 second
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mLocationRequest.setFastestInterval(1000 * 1);
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}
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@Override
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protected void onStart() {
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super.onStart();
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// 1. connect the client.
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mLocationClient.connect();
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}
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@Override
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protected void onStop() {
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super.onStop();
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// 1. disconnecting the client invalidates it.
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mLocationClient.disconnect();
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}
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// GooglePlayServicesClient.OnConnectionFailedListener
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@Override
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public void onConnectionFailed(ConnectionResult connectionResult) {
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Toast.makeText(this, "Connection Failed", Toast.LENGTH_SHORT).show();
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}
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// GooglePlayServicesClient.ConnectionCallbacks
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@Override
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public void onConnected(Bundle arg0) {
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if(mLocationClient != null)
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mLocationClient.requestLocationUpdates(mLocationRequest, this);
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Toast.makeText(this, "Connected", Toast.LENGTH_SHORT).show();
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if(mLocationClient != null){
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// get location
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mCurrentLocation = mLocationClient.getLastLocation();
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try{
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// set TextView(s)
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txtLat.setText(mCurrentLocation.getLatitude()+"");
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txtLong.setText(mCurrentLocation.getLongitude()+"");
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}catch(NullPointerException npe){
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Toast.makeText(this, "Failed to Connect", Toast.LENGTH_SHORT).show();
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// switch on location service intent
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Intent intent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
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startActivity(intent);
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}
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}
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}
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@Override
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public void onDisconnected() {
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Toast.makeText(this, "Disconnected.", Toast.LENGTH_SHORT).show();
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}
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// LocationListener
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@Override
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public void onLocationChanged(Location location) {
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Toast.makeText(this, "Location changed.", Toast.LENGTH_SHORT).show();
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mCurrentLocation = mLocationClient.getLastLocation();
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txtLat.setText(mCurrentLocation.getLatitude()+"");
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txtLong.setText(mCurrentLocation.getLongitude()+"");
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}
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}
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