Android Programming - WordPress.com12 Manifest

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วรเศรษฐ สุวรรณิก

[email protected]://bit.ly/WannikAcademy

Android Programming

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Google Map API v2

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Preparation● SDK Manager

– Google Play Services● AVD

– Google API >= 4.2.2 [http://bit.ly/1hEdxWm]

https://developers.google.com/maps/documentation/android/start

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API Key

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API Key

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API Key

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API Key

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API Key

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API Key : ADT Preferences

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API Key

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API Key

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Manifest<manifest> <uses-feature android:glEsVersion="0x00020000" android:required="true" /> <uses-sdk android:minSdkVersion="14" android:targetSdkVersion="14" /> <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" />

<application> ... <meta-data android:name="com.google.android.gms.version" android:value="@integer/google_play_services_version" /> <meta-data android:name="com.google.android.maps.v2.API_KEY" android:value="---------APIKEY-----------" /> </application></manifest>

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Layout

<?xml version="1.0" encoding="utf-8"?><fragment xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/map" android:name="com.google.android.gms.maps.MapFragment" android:layout_width="match_parent" android:layout_height="match_parent" />

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Activity

package com.example.testmap;

import android.app.Activity;import android.os.Bundle;

public class MainActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); }}

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Normal

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Map TypeGoogleMap map = ((MapFragment) getFragmentManager() .findFragmentById(R.id.map)).getMap();map.setMapType(GoogleMap.MAP_TYPE_HYBRID);

https://developers.google.com/maps/documentation/android/map

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Hybrid

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Initial Location

https://developers.google.com/maps/documentation/android/map

GoogleMap map = ((MapFragment) getFragmentManager().findFragmentById(R.id.map)).getMap();;map.moveCamera(CameraUpdateFactory.newLatLng(new LatLng(13.8484877,100.5715896)));map.moveCamera(CameraUpdateFactory.zoomTo(16.4f));

● latitude– north-south 90 to -90

● longitude– east-west 180 to -180

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Initial Location

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Location● <uses-permission

android:name="android.permission.ACCESS_FINE_LOCATION" />– GPS, cell tower, WIFI

● implies● <uses-permission

android:name="android.permission.ACCESS_COARSE_LOCATION" />– cell tower, WIFI

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Current Locationimport com.google.android.gms.common.GooglePlayServicesClient.ConnectionCallbacks;import com.google.android.gms.common.GooglePlayServicesClient.OnConnectionFailedListener;

public class MainActivity extends Activity implements ConnectionCallbacks, OnConnectionFailedListener { LocationClient lc; GoogleMap map;

@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); lc = new LocationClient(this, this, this); map = ((MapFragment) getFragmentManager().findFragmentById(R.id.map)) .getMap(); }

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Current Location

@Override protected void onStart() { super.onStart(); lc.connect(); }

@Override protected void onStop() { lc.disconnect(); super.onStop(); }

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Current Location

@Override public void onConnectionFailed(ConnectionResult arg0) { }

@Override public void onConnected(Bundle arg0) { Log.i("map", "connect"); Location loc = lc.getLastLocation(); LatLng latLng = new LatLng(loc.getLatitude(), loc.getLongitude()); map.animateCamera(CameraUpdateFactory.newLatLng(latLng)); }

@Override public void onDisconnected() { Log.i("map", "disconnect"); }}

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Current Location

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Current Location

map.setMyLocationEnabled(true);

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Location Listener

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

locationClient = new LocationClient(this, this, this); map = ((MapFragment) getFragmentManager().findFragmentById(R.id.map)) .getMap();

locationRequest = LocationRequest.create(); locationRequest.setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY); locationRequest.setInterval(5); locationRequest.setFastestInterval(1); }

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Location Listener

@Overridepublic void onConnected(Bundle arg0) { locationClient.requestLocationUpdates(locationRequest, new LocationListener() { @Override public void onLocationChanged(Location loc) { LatLng latLng = new LatLng(loc.getLatitude(), loc.getLongitude()); map.animateCamera(CameraUpdateFactory.newLatLng(latLng)); } });}

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Click Listener

long click listener

map.setOnMapClickListener(new OnMapClickListener() { @Override public void onMapClick(LatLng latLng) { Log.i("map", latLng.latitude + " " + latLng.longitude); }});

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Click Listener

long click listener

map.setOnMapClickListener(new OnMapClickListener() { @Override public void onMapClick(LatLng latLng) { Log.i("map", latLng.latitude + " " + latLng.longitude); }});

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Markerpublic class MainActivity extends Activity { GoogleMap map;

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

map = ((MapFragment) getFragmentManager().findFragmentById(R.id.map)) .getMap(); map.addMarker(new MarkerOptions().position(new LatLng(0, 0)).title( "Center of the World")); }

}

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Marker

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Markerpublic class MainActivity extends Activity { GoogleMap map;

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

map = ((MapFragment) getFragmentManager().findFragmentById(R.id.map)) .getMap(); map.addMarker(new MarkerOptions().position(new LatLng(0, 0)).title( "Center of the World")); }

}

https://developers.google.com/maps/documentation/android/marker

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Marker

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Marker

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Marker

Marker marker = map.addMarker(new MarkerOptions() .position(new LatLng(0, 0)) .title("Center of the World")); // try snippet marker.showInfoWindow();

// map.setOnMarkerClickListener

https://developers.google.com/maps/documentation/android/infowindows

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Shape

PolylineOptions rectOptions = new PolylineOptions().add(new LatLng(0, 0)) .add(new LatLng(30, 10)) .add(new LatLng(35, 20)) .add(new LatLng(60, 30)) .add(new LatLng(0, 0)) .width(5) .color(Color.BLUE) .geodesic(true);

map.addPolyline(rectOptions);

A geodesic is the shortest path between two points on the Earth's surface. The geodesic curve is constructed assuming the Earth is a sphere. http://bit.ly/1mZ3pK5

https://developers.google.com/maps/documentation/android/shapes

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Shape

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CRUD Marker● Map Long Click

– add marker (color, alpha), ask for a title, log position

● Click marker– show info window

● Click info window– pop up menu =>

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Android Programming - WordPress.com12 Manifest