<permission
android:name="com.example.ch5_lbs.permission.MAPS_RECEIVE"
android:protectionLevel="signature"/> <uses-permission
android:name="com.example.ch5_lbs.permission.MAPS_RECEIVE"/> <uses-permission
android:name="android.permission.ACCESS_NETWORK_STATE"/> <uses-permission
android:name="android.permission.INTERNET"/>
<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_FINE_LOCATION"/> <uses-permission
android:name="android.permission.ACCESS_COARSE_LOCATION"/>
<meta-data
android:name="com.google.android.maps.v2.API_KEY"
android:value="AIzaSyDQQICJSD3Rx3m6b0AFXiHJOjEeGWM3Sqw"/>
<meta-data
android:name="com.google.android.gms.version"
android:value="@integer/google_play_services_version"/>
<activity android:name=".MainActivity"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity>
<fragment
android:id="@+id/map_view"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:name="com.google.android.gms.maps.SupportMapFragment"/>
package com.example.ch5_lbs; import android.location.Location; import android.os.Bundle; import android.support.annotation.NonNull; import android.support.annotation.Nullable; import android.support.v7.app.AppCompatActivity; import android.widget.ImageView; import android.widget.TextView; import android.widget.Toast; import com.google.android.gms.common.ConnectionResult; import com.google.android.gms.common.api.GoogleApiClient; import com.google.android.gms.location.FusedLocationProviderApi; import com.google.android.gms.location.LocationServices; import com.google.android.gms.maps.CameraUpdateFactory; import com.google.android.gms.maps.GoogleMap; import com.google.android.gms.maps.OnMapReadyCallback; import com.google.android.gms.maps.SupportMapFragment; import com.google.android.gms.maps.UiSettings; import com.google.android.gms.maps.model.BitmapDescriptorFactory; import com.google.android.gms.maps.model.CameraPosition; import com.google.android.gms.maps.model.LatLng; import com.google.android.gms.maps.model.Marker; import com.google.android.gms.maps.model.MarkerOptions; import java.text.DecimalFormat; import java.text.SimpleDateFormat; /** * OnMapReadyCallback: 지도가 준비된 시점을 잡기위한 callback * 이 시점에 map을 이용하지 않으면 시간차의 문제로 nullpoint등의 에러 발생 * */ public class MainActivity extends AppCompatActivity implements GoogleApiClient.ConnectionCallbacks, GoogleApiClient.OnConnectionFailedListener, OnMapReadyCallback { TextView providerTextView; ImageView onOffImageView; TextView timeTextView; TextView locationTextView; TextView accuracyTextView; GoogleApiClient googleApiClient; FusedLocationProviderApi fusedLocationProviderApi; Location currentlocation; GoogleMap map; // fragment에 지도 뿌리는 view @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); providerTextView = (TextView) findViewById(R.id.txt_location_provider); onOffImageView = (ImageView) findViewById(R.id.img_location_on_off); timeTextView = (TextView) findViewById(R.id.gps_time); locationTextView = (TextView) findViewById(R.id.gps_location); accuracyTextView = (TextView) findViewById(R.id.gps_accuracy); /** * Fused API는 실제 google play service라이브러리에서 제공되는 기능으로 * google의 다양한 service를 활용하기 위한 라이브러리이다. * 그중 locationservice쪽을 이용하겠다고 선언 */ googleApiClient = new GoogleApiClient.Builder(this) .addApi(LocationServices.API) .addConnectionCallbacks(this) .addOnConnectionFailedListener(this) .build(); fusedLocationProviderApi = LocationServices.FusedLocationApi; } private void toast(String msg){ Toast t=Toast.makeText(this, msg, Toast.LENGTH_SHORT); t.show(); } private String getDateTime(long time) { if (time == 0) return ""; SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); return formatter.format(new java.util.Date(time)); } private String convertDouble(double input) { DecimalFormat format = new DecimalFormat(".######"); return format.format(input); } /** * 위치정보 획득후 호출 * 매개변수의 정보대로 다양한 정보 추출하고 화면 출력 역할 */ private void updateInfo(Location location){ onOffImageView.setImageResource(R.drawable.on); timeTextView.setText(getDateTime(location.getTime())); locationTextView.setText("LAT:" + convertDouble(location.getLatitude()) +" LNG:" + convertDouble(location.getLongitude())); accuracyTextView.setText(location.getAccuracy() + " meters"); } /** * 위치값 획득후에 호출되어 지도제어 */ private void showMap(Location location){ // 지도에서의 위치는 LatLng로 표현 LatLng latLng = new LatLng(location.getLatitude(), location.getLongitude()); // 지도 옵션 CameraPosition position = new CameraPosition.Builder().target(latLng).zoom(16f).build(); // 지도의 center 위치 이동 map.moveCamera(CameraUpdateFactory.newCameraPosition(position)); // market 올리기 map.clear(); // 이전 marker지우고 안지우면 중복으로 나옴 map.addMarker(new MarkerOptions().position(latLng).title("Location") .icon(BitmapDescriptorFactory.defaultMarker(BitmapDescriptorFactory.HUE_BLUE))); } @Override protected void onResume() { super.onResume(); googleApiClient.connect(); // 겨리과는 callback함수 호출로 if(map==null){ ((SupportMapFragment)getSupportFragmentManager().findFragmentById(R.id.map_view)).getMapAsync(this); } } @Override protected void onPause() { super.onPause(); if(googleApiClient.isConnected()){ googleApiClient.disconnect(); } } @Override public void onConnected(@Nullable Bundle bundle) { // 위치값 획득 Location location = fusedLocationProviderApi.getLastLocation(googleApiClient); if(location != null){ currentlocation = location; updateInfo(location); showMap(location); } } @Override public void onConnectionSuspended(int i) { toast("onConnectionSuspended"); } @Override public void onConnectionFailed(@NonNull ConnectionResult connectionResult) { toast("onConnectionFailed"); } @Override public void onMapReady(GoogleMap googleMap) { map = googleMap; UiSettings settings = map.getUiSettings(); settings.setZoomControlsEnabled(true); map.setOnInfoWindowClickListener(new GoogleMap.OnInfoWindowClickListener(){ @Override public void onInfoWindowClick(Marker marker) { toast("info window click..."); } }); } }
dependencies {
compile fileTree(include: ['*.jar'], dir: 'libs')
testCompile 'junit:junit:4.12' compile 'com.android.support:appcompat-v7:23.4.0' compile 'com.google.android.gms:play-services:9.2.1'}
package com.example.ch5_lbs; import android.location.Location; import android.os.Bundle; import android.support.annotation.NonNull; import android.support.annotation.Nullable; import android.support.v7.app.AppCompatActivity; import android.widget.ImageView; import android.widget.TextView; import android.widget.Toast; import com.google.android.gms.common.ConnectionResult; import com.google.android.gms.common.api.GoogleApiClient; import com.google.android.gms.location.FusedLocationProviderApi; import com.google.android.gms.location.LocationServices; import java.text.DecimalFormat; import java.text.SimpleDateFormat; public class MainActivity extends AppCompatActivity implements GoogleApiClient.ConnectionCallbacks, GoogleApiClient.OnConnectionFailedListener{ TextView providerTextView; ImageView onOffImageView; TextView timeTextView; TextView locationTextView; TextView accuracyTextView; GoogleApiClient googleApiClient; FusedLocationProviderApi fusedLocationProviderApi; Location currentlocation; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); providerTextView = (TextView) findViewById(R.id.txt_location_provider); onOffImageView = (ImageView) findViewById(R.id.img_location_on_off); timeTextView = (TextView) findViewById(R.id.gps_time); locationTextView = (TextView) findViewById(R.id.gps_location); accuracyTextView = (TextView) findViewById(R.id.gps_accuracy); /** * Fused API는 실제 google play service라이브러리에서 제공되는 기능으로 * google의 다양한 service를 활용하기 위한 라이브러리이다. * 그중 locationservice쪽을 이용하겠다고 선언 */ googleApiClient = new GoogleApiClient.Builder(this) .addApi(LocationServices.API) .addConnectionCallbacks(this) .addOnConnectionFailedListener(this) .build(); fusedLocationProviderApi = LocationServices.FusedLocationApi; } private void toast(String msg){ Toast t=Toast.makeText(this, msg, Toast.LENGTH_SHORT); t.show(); } private String getDateTime(long time) { if (time == 0) return ""; SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); return formatter.format(new java.util.Date(time)); } private String convertDouble(double input) { DecimalFormat format = new DecimalFormat(".######"); return format.format(input); } /** * 위치정보 획득후 호출 * 매개변수의 정보대로 다양한 정보 추출하고 화면 출력 역할 */ private void updateInfo(Location location){ onOffImageView.setImageResource(R.drawable.on); timeTextView.setText(getDateTime(location.getTime())); locationTextView.setText("LAT:" + convertDouble(location.getLatitude()) +" LNG:" + convertDouble(location.getLongitude())); accuracyTextView.setText(location.getAccuracy() + " meters"); } @Override protected void onResume() { super.onResume(); googleApiClient.connect(); // 겨리과는 callback함수 호출로 } @Override protected void onPause() { super.onPause(); if(googleApiClient.isConnected()){ googleApiClient.disconnect(); } } @Override public void onConnected(@Nullable Bundle bundle) { // 위치값 획득 Location location = fusedLocationProviderApi.getLastLocation(googleApiClient); if(location != null){ currentlocation = location; updateInfo(location); } } @Override public void onConnectionSuspended(int i) { toast("onConnectionSuspended"); } @Override public void onConnectionFailed(@NonNull ConnectionResult connectionResult) { toast("onConnectionFailed"); } }
<uses-permission android:name="android.permission.CAMERA"/> <uses-feature android:name="android.hardware.camera"/> <uses-feature android:name="android.hardware.camera.autofocus"/>
package com.example.ch4_camera; import android.app.Activity; import android.hardware.Camera; import android.os.Environment; import android.util.Log; import android.view.Surface; import android.view.SurfaceHolder; import android.view.SurfaceView; import java.io.File; import java.io.FileOutputStream; import java.util.List; /** * Created by student on 2016-08-04. */public class MyCameraView extends SurfaceView implements SurfaceHolder.Callback{ Activity context; /** * surface 작업자 * 일반적으로는 holder로 surface점유 * drawing이 되지만 camera class에서는 이미 surface로 그린상태로 * 넘기기 때문에 넘어오는 surface를 받기만 한다 */ SurfaceHolder holder; Camera camera; List<Camera.Size> supportedPreviewSizes; Camera.Size previewSize; int width; int height; public MyCameraView(Activity context){ super(context); this.context = context; // surfaceview만 나오면 무조건 나오는 2줄의 소스코드 holder = getHolder(); holder.addCallback(this); } // surface가 최초로 준비되는 순간 딱 한번 호출 @Override public void surfaceCreated(SurfaceHolder holder) { // camera 점유 camera = Camera.open(); // surface에 직접 그리는게 아니라 camera에서부터 넘어오는 것을 그대로 받는것 holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); try{ // camera의 surface가 holder에게 전달되게 연결 camera.setPreviewDisplay(holder); // camera 설정 Camera.Parameters parameters = camera.getParameters(); /** * preview 사이즈를 개발자가 임의 숫자로 주면 에러 나기때문에 * 꼭 camera에서 지원하는 size목록 중 하나를 대입해야 한다. */ supportedPreviewSizes = parameters.getSupportedPreviewSizes(); /** * camera에서 제공하는 preview사이즈를 그대로 대입하는게 아니라 * 폰의 사이즈와 대비해서 계산 */ if(supportedPreviewSizes != null){ previewSize = getOptimalPreviewSize(supportedPreviewSizes, width, height); } }catch(Exception e){ camera.release(); camera = null; } } /** * surface공간의 사이즈가 변경될때마다 반복호출 * 일반적으로는 created호출 후 바로 호출된후 다시 호출은 안된다. */ @Override public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) { Camera.Parameters parameters = camera.getParameters(); parameters.setPreviewSize(previewSize.width, previewSize.height); setCameraDisplayOrientation(context, 0); parameters.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE); camera.setParameters(parameters); // preview 출력 시작 camera.startPreview(); } @Override public void surfaceDestroyed(SurfaceHolder holder) { if(camera != null){ camera.stopPreview(); camera.release(); camera = null; } } // 사진 찍기 위한 개발자 함수. activity에서 호출할 것임 public void capture(){ if(camera != null){ camera.takePicture(null, null, new Camera.PictureCallback(){ @Override public void onPictureTaken(byte[] data, Camera camera) { // file write FileOutputStream fos; try{ File dir = new File( Environment.getExternalStorageDirectory().getAbsolutePath() + "/multi"); if(!dir.exists()){ dir.mkdir(); } // createTempFile( 파일명 prefix, 파일 확장자, 파일 저장폴더) File file = File.createTempFile("mulcam", ".jpg", dir); if(!file.exists()){ file.createNewFile(); } fos = new FileOutputStream(file); fos.write(data); fos.flush(); fos.close(); Log.d("mulcam", file.getAbsolutePath()); }catch (Exception e){ e.printStackTrace(); } // 사진을 찍고 나면 찍은이미지에서 화면이 멈춰있기때문에 연속적인 촬영을 위해 camera.startPreview(); } }); } } private Camera.Size getOptimalPreviewSize(List<Camera.Size> sizes, int w, int h) { final double ASPECT_TOLERANCE = 0.1; double targetRatio=(double)h / w; if (sizes == null) return null; Camera.Size optimalSize = null; double minDiff = Double.MAX_VALUE; int targetHeight = h; for (Camera.Size size : sizes) { double ratio = (double) size.width / size.height; if (Math.abs(ratio - targetRatio) > ASPECT_TOLERANCE) continue; if (Math.abs(size.height - targetHeight) < minDiff) { optimalSize = size; minDiff = Math.abs(size.height - targetHeight); } } if (optimalSize == null) { minDiff = Double.MAX_VALUE; for (Camera.Size size : sizes) { if (Math.abs(size.height - targetHeight) < minDiff) { optimalSize = size; minDiff = Math.abs(size.height - targetHeight); } } } return optimalSize; } private void setCameraDisplayOrientation(Activity activity, int cameraId) { Camera.CameraInfo info = new Camera.CameraInfo(); Camera.getCameraInfo(cameraId, info); int rotation = activity.getWindowManager().getDefaultDisplay().getRotation(); int degrees = 0; switch (rotation) { case Surface.ROTATION_0: degrees = 0; break; case Surface.ROTATION_90: degrees = 90; break; case Surface.ROTATION_180: degrees = 180; break; case Surface.ROTATION_270: degrees = 270; break; } int result; if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) { result = (info.orientation + degrees) % 360; result = (360 - result) % 360; // compensate the mirror } else { // back-facing result = (info.orientation - degrees + 360) % 360; } camera.setDisplayOrientation(result); } @Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { width = resolveSize(getSuggestedMinimumWidth(), widthMeasureSpec); height = resolveSize(getSuggestedMinimumHeight(), heightMeasureSpec); setMeasuredDimension(width, height); } }