Java IndoorAtlas Android SDK 1.4.2-132:全屏获取平面图图像/位图+;旋转
显然,我是Java的新手,下面是我的故事: 我一直在与Indoratalas(提供室内定位解决方案的公司)合作,Android SDK 1.4.2-132,在我的手机上测试应用程序时,我没有得到想要的结果。 这是我的完整JAVA代码,我主要从这个链接“”获得:Java IndoorAtlas Android SDK 1.4.2-132:全屏获取平面图图像/位图+;旋转,java,android,xml,bitmap,indoor-positioning-system,Java,Android,Xml,Bitmap,Indoor Positioning System,显然,我是Java的新手,下面是我的故事: 我一直在与Indoratalas(提供室内定位解决方案的公司)合作,Android SDK 1.4.2-132,在我的手机上测试应用程序时,我没有得到想要的结果。 这是我的完整JAVA代码,我主要从这个链接“”获得: 导入android.app.Activity; 导入android.graphics.Bitmap; 导入android.graphics.BitmapFactory; 导入android.graphics.PointF; 导入andro
导入android.app.Activity;
导入android.graphics.Bitmap;
导入android.graphics.BitmapFactory;
导入android.graphics.PointF;
导入android.os.Bundle;
导入android.util.Log;
导入android.widget.ImageView;
导入com.indoratalas.android.CalibrationState;
导入com.indoratalas.android.FloorPlan;
导入com.indooratlas.android.futuresult;
导入com.indooratlas.android.ImagePoint;
导入com.indooratlas.android.indooratlas;
导入com.indooratlas.android.IndoorAtlasException;
导入com.indooratlas.android.IndoorAtlasFactory;
导入com.indooratlas.android.ResultCallback;
导入com.indooratlas.android.ServiceState;
导入com.indooratlas.android.IndoorAtlasListener;
导入java.io.IOException;
公共类FloorPlanLoader扩展活动实现IndoorAtlasListener
{
私人印度教;
private FloorPlan FloorPlan;//这里表示从未分配私有字段“FloorPlan”。
private FloorPlan mFloorPlan;//这里表示已分配私有字段“mFloorPlan”,但从未访问过。
私人影像视图;
字符串venueId=“xxx”;
字符串floorrid=“xxx”;
字符串floorPlanId=“xxx”;
字符串apiKey=“xxx”;
字符串apiSecret=“xxx”;
@凌驾
创建时的公共void(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(右布局、室内定位);
initIndoorAtlas();
}
public void initIndoorAtlas()//初始化indooratlas实例的方法
{
尝试
{
ia=indoratalasfactory.createIndoratalas(getApplicationContext(),this,apiKey,apiSecret);
}
渔获物(IndooralasEx)
{
Log.e(“Indoratalas”,“初始化失败”,ex);
log();
}
FutureResult=ia.fetchFloorPlan(floorPlanId);//获取楼层平面的实例
result.setCallback(新的ResultCallback(){
@凌驾
公共空间结果(最终平面图结果){
mFloorPlan=结果;
loadFloorPlanImage(结果);
}
@凌驾
系统错误上的公共无效(IOE例外){
}
@凌驾
申请者的公开无效(印度除外){
}
});
}
public void loadfloorplan image(FloorPlan FloorPlan)//从服务器加载平面图的方法
{
BitmapFactory.Options=createBitmapOptions(floorPlan);
FutureResult=ia.fetchFloorPlanImage(floorPlan,选项);
result.setCallback(新的ResultCallback()
{
@凌驾
public void onResult(最终位图结果)
{
runOnUiThread(新的Runnable()
{
@凌驾
公开募捐{
imageView=(imageView)findViewById(R.id.imageView);
设置图像位图(结果);
}
});
updateImageViewInUiThread();
}
@凌驾
系统错误上的公共无效(IOE例外)
{
log();
}
@凌驾
申请者的公开无效(印度除外)
{
log();
}
});
尝试
{
ia.起始位置(venueId、FloorGrid、floorPlanId);
}
渔获物(吲哚乙酸)
{
log();
}
}
私有位图工厂。选项创建位图选项(FloorPlan FloorPlan)
{
BitmapFactory.Options=new-BitmapFactory.Options();
内部需求宽度=2048;
内部需求高度=2048;
最终内部宽度=(内部)平面图尺寸[0];
最终内部高度=(内部)平面图尺寸[1];
int inSampleSize=1;
如果(高度>要求高度| |宽度>要求宽度){
最终int半高=高度/2;
最终整数半宽度=宽度/2;
而((半高/采样)大于所需高度
&&(半宽/采样尺寸)>reqWidth){
inSampleSize*=2;
}
}
options.inSampleSize=inSampleSize;
返回选项;
}
public void updateImageViewInUiThread(){}
public void onServiceUpdate(ServiceState)//显示蓝点的方法
{
int i=state.getImagePoint().getI();
int j=state.getImagePoint().getJ();
setImagePoint(state.getImagePoint());
PointF scaledPoint=新的PointF();
Util.calculateScaledPoint((int)floorPlan.dimensions[0],(int)floorPlan.dimensions[1],i,j,imageView,scaledPoint);
DrawNewPositionInUnitRead();
}
专用无效设置图像点(最终图像点imgPt){
runOnUiThread(新的Runnable(){
@凌驾
公开募捐{
ImageView imagePoint=(ImageView)findViewById(R.id.bluedottwo);
setX(imgPt.getI());
setY(imgPt.getJ());
}
});
}
私有void drawNewPositionInUiThread()文件{
}
公共静态类Util{
公共静态浮点计算比例因子(int originalWidth、int originalHeight、,
图像视图(图像视图){
if(imageView.getScaleType()!=imageView.ScaleType.CENTER\u内部){
抛出新的IllegalArgumentException(“仅支持中心的缩放类型,为:”
import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.PointF;
import android.os.Bundle;
import android.util.Log;
import android.widget.ImageView;
import com.indooratlas.android.CalibrationState;
import com.indooratlas.android.FloorPlan;
import com.indooratlas.android.FutureResult;
import com.indooratlas.android.ImagePoint;
import com.indooratlas.android.IndoorAtlas;
import com.indooratlas.android.IndoorAtlasException;
import com.indooratlas.android.IndoorAtlasFactory;
import com.indooratlas.android.ResultCallback;
import com.indooratlas.android.ServiceState;
import com.indooratlas.android.IndoorAtlasListener;
import java.io.IOException;
public class FloorPlanLoader extends Activity implements IndoorAtlasListener
{
private IndoorAtlas ia;
private FloorPlan floorPlan; //here it says private field "floorplan" is never assigned.
private FloorPlan mFloorPlan; // here it says private field "mFloorPlan" is assigned but never accessed.
private ImageView imageView;
String venueId = "xxx";
String floorId = "xxx";
String floorPlanId = "xxx";
String apiKey = "xxx";
String apiSecret = "xxx";
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.indoor_positioning);
initIndoorAtlas();
}
public void initIndoorAtlas() //method to initialize indooratlas instance
{
try
{
ia = IndoorAtlasFactory.createIndoorAtlas(getApplicationContext(), this, apiKey, apiSecret);
}
catch (IndoorAtlasException ex)
{
Log.e("IndoorAtlas", "initialisation failed", ex);
log();
}
FutureResult<FloorPlan> result = ia.fetchFloorPlan(floorPlanId); //obtains instance of floor plan
result.setCallback(new ResultCallback<FloorPlan>() {
@Override
public void onResult(final FloorPlan result) {
mFloorPlan = result;
loadFloorPlanImage(result);
}
@Override
public void onSystemError(IOException e) {
}
@Override
public void onApplicationError(IndoorAtlasException e) {
}
});
}
public void loadFloorPlanImage(FloorPlan floorPlan) //Method to load floor plan from the server
{
BitmapFactory.Options options = createBitmapOptions(floorPlan);
FutureResult<Bitmap> result= ia.fetchFloorPlanImage(floorPlan, options);
result.setCallback(new ResultCallback<Bitmap>()
{
@Override
public void onResult(final Bitmap result)
{
runOnUiThread(new Runnable()
{
@Override
public void run() {
imageView = (ImageView) findViewById(R.id.imageView);
imageView.setImageBitmap(result);
}
});
updateImageViewInUiThread();
}
@Override
public void onSystemError(IOException e)
{
log();
}
@Override
public void onApplicationError(IndoorAtlasException e)
{
log();
}
});
try
{
ia.startPositioning(venueId, floorId, floorPlanId);
}
catch (IndoorAtlasException e)
{
log();
}
}
private BitmapFactory.Options createBitmapOptions(FloorPlan floorPlan)
{
BitmapFactory.Options options = new BitmapFactory.Options();
int reqWidth = 2048;
int reqHeight = 2048;
final int width = (int) floorPlan.dimensions[0];
final int height = (int) floorPlan.dimensions[1];
int inSampleSize = 1;
if (height > reqHeight || width > reqWidth) {
final int halfHeight = height / 2;
final int halfWidth = width / 2;
while ((halfHeight / inSampleSize) > reqHeight
&& (halfWidth / inSampleSize) > reqWidth) {
inSampleSize *= 2;
}
}
options.inSampleSize = inSampleSize;
return options;
}
public void updateImageViewInUiThread() {}
public void onServiceUpdate(ServiceState state) //method to show blue dot
{
int i = state.getImagePoint().getI();
int j = state.getImagePoint().getJ();
setImagePoint(state.getImagePoint());
PointF scaledPoint = new PointF();
Util.calculateScaledPoint((int) floorPlan.dimensions[0], (int) floorPlan.dimensions[1], i, j, imageView, scaledPoint);
drawNewPositionInUiThread();
}
private void setImagePoint(final ImagePoint imgPt) {
runOnUiThread(new Runnable() {
@Override
public void run() {
ImageView imagePoint = (ImageView) findViewById(R.id.bluedottwo);
imagePoint.setX(imgPt.getI());
imagePoint.setY(imgPt.getJ());
}
});
}
private void drawNewPositionInUiThread() {
}
public static class Util {
public static float calculateScaleFactor(int originalWidth, int originalHeight,
ImageView imageView) {
if (imageView.getScaleType() != ImageView.ScaleType.CENTER_INSIDE) {
throw new IllegalArgumentException("only scale type of CENTER_INSIDE supported, was: "
+ imageView.getScaleType());
}
final int availableX = imageView.getWidth()
- (imageView.getPaddingLeft() + imageView.getPaddingRight());
final int availableY = imageView.getHeight()
- (imageView.getPaddingTop() + imageView.getPaddingBottom());
if (originalWidth > availableX || originalHeight > availableY) {
// original image would not fit without scaling
return originalWidth > availableX
? availableX / (float) originalWidth
: availableY / (float) originalHeight;
} else {
return 1f; // no scaling required
}
}
public static void calculateScaledPoint(int originalWidth, int originalHeight,
int x, int y,
ImageView imageView,
PointF point) {
final float scale = calculateScaleFactor(originalWidth, originalHeight, imageView);
final float scaledWidth = originalWidth * scale;
final float scaledHeight = originalHeight * scale;
// when image inside view is smaller than the view itself and image is centered (assumption)
// there will be some empty space around the image (here offset)
final float offsetX = Math.max(0, (imageView.getWidth() - scaledWidth) / 2);
final float offsetY = Math.max(0, (imageView.getHeight() - scaledHeight) / 2);
point.x = offsetX + (x * scale);
point.y = offsetY + (y * scale);
}
}
public void onServiceFailure(int errorCode, String reason)
{
log();
}
@Override
public void onServiceInitializing()
{
log();
}
@Override
public void onServiceInitialized()
{
log();
}
@Override
public void onInitializationFailed(final String reason)
{
log();
}
@Override
public void onServiceStopped()
{
log();
}
@Override
public void onCalibrationStatus(CalibrationState calibrationState)
{
log();
}
@Override
public void onCalibrationReady()
{
log();
}
@Override
public void onNetworkChangeComplete(boolean success)
{
}
@Override
public void onCalibrationInvalid()
{
}
@Override
public void onCalibrationFailed(String reason)
{
}
private void log()
{
runOnUiThread(new Runnable()
{
@Override
public void run()
{
}
});
}
}
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:weightSum="1">
<ImageView
android:id="@+id/imageView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:contentDescription="@string/idk"
android:scaleType="fitCenter" />
<ImageView
android:id="@+id/bluedottwo"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/bluedottwo"
android:contentDescription="@string/bd"/>-->
</LinearLayout>
x = 1024(originalX) * 0.5(scale) => 512
y = 1024(orginalY) * 0.5(scale) => 512