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  1. package wyf.wpf;			//宣告套件名稱
  2.  
  3. import java.util.List;
  4.  
  5.  
  6. import android.graphics.Bitmap;
  7. import android.graphics.BitmapFactory;
  8. import android.location.Criteria;
  9. import android.location.Location;
  10. import android.location.LocationManager;
  11. import android.os.Bundle;
  12. import android.view.View;
  13.  
  14.  
  15. import android.widget.RadioButton;
  16. import android.widget.RadioGroup;
  17. import android.widget.Toast;
  18. import android.widget.RadioGroup.OnCheckedChangeListener;
  19. import android.app.Activity;
  20. import android.location.LocationListener;
  21. import android.location.LocationProvider;
  22. import android.util.Log;
  23. import android.widget.TextView;
  24.  
  25. import com.google.android.maps.GeoPoint;
  26. import com.google.android.maps.MapActivity;
  27. import com.google.android.maps.MapController;
  28. import com.google.android.maps.MapView;
  29. import com.google.android.maps.Overlay;
  30.  
  31. public class Sample_15_2 extends MapActivity {	//繼承MapActivity的子類別
  32. 	LocationManager mLocationManager;//LocationGPS主程式，實作一個LocationManager物件mLocationManager
  33. 	MapView mv;
  34. 	MapController controller;	//宣告MapController物件
  35. 	Bitmap bmpArrow;			//宣告Bitmap物件
  36. 	RadioButton rbNormal;		//宣告RadioButton物件
  37. 	RadioButton rbSatellite;	//宣告RadioButton物件
  38.     @Override
  39.     public void onCreate(Bundle savedInstanceState) {
  40.         super.onCreate(savedInstanceState);
  41.         setContentView(R.layout.main);
  42.         mLocationManager = (LocationManager) getSystemService(LOCATION_SERVICE);
  43.         mLocationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, mLocationListener);
  44.         bmpArrow = BitmapFactory.decodeResource(getResources(), R.drawable.arrow);
  45. 		mv = (MapView)findViewById(R.id.mv);			//取得MapView物件
  46. 		  controller = mv.getController();				//取得MapController物件
  47. 		  mv.setBuiltInZoomControls(true);				//設置是否顯示放大縮小按鈕
  48. 		  rbNormal = (RadioButton)findViewById(R.id.normal);	//取得RadioButton物件
  49.   	      rbSatellite = (RadioButton)findViewById(R.id.satellite);	//取得RadioButton物件	
  50. 		  RadioGroup rg = (RadioGroup)findViewById(R.id.rg);	//取得RadioGroup物件		
  51. 		  rg.setOnCheckedChangeListener(new OnCheckedChangeListener() {
  52. 			@Override
  53. 			public void onCheckedChanged(RadioGroup group, int checkedId) {
  54. 				if(checkedId == rbNormal.getId()){		//判斷按下的是否是正常視圖
  55. 					mv.setSatellite(false);
  56. 					mv.setTraffic(true);
  57. 				}
  58. 				else if(checkedId == rbSatellite.getId()){	//判斷按下的是否為衛星視圖
  59. 					mv.setSatellite(true);
  60. 					mv.setStreetView(true);
  61. 				}
  62. 			}
  63. 		});
  64.  
  65.     }
  66.  
  67.  
  68.  
  69.     //在Resume階段設定mLocationListener介面，可以獲得地理位置的更新資料     
  70.     protected void onResume() {        
  71.     	if (mLocationManager != null) {            
  72.     		mLocationManager.requestLocationUpdates(                
  73.     				LocationManager.GPS_PROVIDER,                
  74.     				0,                
  75.     				0,                
  76.     				mLocationListener);        
  77.     		}                
  78.     	super.onResume();    
  79.     }
  80.     //實作mLocationListener介面
  81.     public LocationListener mLocationListener = new LocationListener() 
  82.     { 
  83.     	//GPS位置資訊被更新
  84.     	public void onLocationChanged(Location location) {        
  85.     		TextView mTextView1 = (TextView)findViewById(R.id.textView1);
  86.     		TextView mTextView2 = (TextView)findViewById(R.id.textView2);
  87.     		mTextView1.setText("緯度-Latitude：  " + String.valueOf(location.getLatitude()));
  88.     		mTextView2.setText("經度-Longitude：  " + String.valueOf(location.getLongitude()));
  89.     		String sLong = mTextView1.toString().trim();	//取得輸入的經度
  90.     		String sLat = mTextView2.toString().trim();	//取得輸入的緯度
  91.  
  92.     		double dLong =location.getLongitude();
  93.     		double dLat = location.getLatitude();
  94.     		updateMapView(dLong, dLat);
  95.  
  96.  
  97.     		}
  98.     	public void onProviderDisabled(String provider) {    
  99.  
  100.     	}     
  101.     	public void onProviderEnabled(String provider) {    
  102.  
  103.     	}  
  104.     	//GPS位置資訊的狀態被更新
  105.     	public void onStatusChanged(String provider, int status, Bundle extras) {        
  106.     		switch (status) {        
  107.     			case LocationProvider.AVAILABLE:            
  108.     				Log.v("Status", "AVAILABLE");            
  109.     				break;        
  110.     			case LocationProvider.OUT_OF_SERVICE:            
  111.     				Log.v("Status", "OUT_OF_SERVICE");            
  112.     				break;        
  113.     			case LocationProvider.TEMPORARILY_UNAVAILABLE:            
  114.     				Log.v("Status", "TEMPORARILY_UNAVAILABLE");            
  115.     				break;        
  116.     				}
  117.     	    }
  118.     };
  119.  
  120.  
  121. 	protected boolean isRouteDisplayed() {	//重寫isRouteDisplayed方法
  122. 		return false;
  123. 	}
  124. 	public void updateMapView(double dLat,double dLong){
  125. 		GeoPoint gp = new GeoPoint((int)(dLat*1E6), (int)(dLong*1E6));
  126. 		mv.displayZoomControls(true);		//設定顯示放大縮小按鈕
  127. 		controller.animateTo(gp);			//將地圖移動到指定的地理位置
  128. 		List<Overlay> ol = mv.getOverlays();	//獲得MapView的Overlay
  129. 		ol.clear();
  130. 		ol.add(new ArrowOverLay(gp,bmpArrow));	//新增一個新的Overlay
  131.  
  132. 	 }
  133.  
  134. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin 
Standard input is empty
compilation info 
Main.java:31: error: class Sample_15_2 is public, should be declared in a file named Sample_15_2.java
public class Sample_15_2 extends MapActivity {	//??MapActivity????
       ^
Main.java:6: error: package android.graphics does not exist
import android.graphics.Bitmap;
                       ^
Main.java:7: error: package android.graphics does not exist
import android.graphics.BitmapFactory;
                       ^
Main.java:8: error: package android.location does not exist
import android.location.Criteria;
                       ^
Main.java:9: error: package android.location does not exist
import android.location.Location;
                       ^
Main.java:10: error: package android.location does not exist
import android.location.LocationManager;
                       ^
Main.java:11: error: package android.os does not exist
import android.os.Bundle;
                 ^
Main.java:12: error: package android.view does not exist
import android.view.View;
                   ^
Main.java:15: error: package android.widget does not exist
import android.widget.RadioButton;
                     ^
Main.java:16: error: package android.widget does not exist
import android.widget.RadioGroup;
                     ^
Main.java:17: error: package android.widget does not exist
import android.widget.Toast;
                     ^
Main.java:18: error: package android.widget.RadioGroup does not exist
import android.widget.RadioGroup.OnCheckedChangeListener;
                                ^
Main.java:19: error: package android.app does not exist
import android.app.Activity;
                  ^
Main.java:20: error: package android.location does not exist
import android.location.LocationListener;
                       ^
Main.java:21: error: package android.location does not exist
import android.location.LocationProvider;
                       ^
Main.java:22: error: package android.util does not exist
import android.util.Log;
                   ^
Main.java:23: error: package android.widget does not exist
import android.widget.TextView;
                     ^
Main.java:25: error: package com.google.android.maps does not exist
import com.google.android.maps.GeoPoint;
                              ^
Main.java:26: error: package com.google.android.maps does not exist
import com.google.android.maps.MapActivity;
                              ^
Main.java:27: error: package com.google.android.maps does not exist
import com.google.android.maps.MapController;
                              ^
Main.java:28: error: package com.google.android.maps does not exist
import com.google.android.maps.MapView;
                              ^
Main.java:29: error: package com.google.android.maps does not exist
import com.google.android.maps.Overlay;
                              ^
Main.java:31: error: cannot find symbol
public class Sample_15_2 extends MapActivity {	//??MapActivity????
                                 ^
  symbol: class MapActivity
Main.java:32: error: cannot find symbol
	LocationManager mLocationManager;//LocationGPS????????LocationManager??mLocationManager
	^
  symbol:   class LocationManager
  location: class Sample_15_2
Main.java:33: error: cannot find symbol
	MapView mv;
	^
  symbol:   class MapView
  location: class Sample_15_2
Main.java:34: error: cannot find symbol
	MapController controller;	//??MapController??
	^
  symbol:   class MapController
  location: class Sample_15_2
Main.java:35: error: cannot find symbol
	Bitmap bmpArrow;			//??Bitmap??
	^
  symbol:   class Bitmap
  location: class Sample_15_2
Main.java:36: error: cannot find symbol
	RadioButton rbNormal;		//??RadioButton??
	^
  symbol:   class RadioButton
  location: class Sample_15_2
Main.java:37: error: cannot find symbol
	RadioButton rbSatellite;	//??RadioButton??
	^
  symbol:   class RadioButton
  location: class Sample_15_2
Main.java:39: error: cannot find symbol
    public void onCreate(Bundle savedInstanceState) {
                         ^
  symbol:   class Bundle
  location: class Sample_15_2
Main.java:81: error: cannot find symbol
    public LocationListener mLocationListener = new LocationListener() 
           ^
  symbol:   class LocationListener
  location: class Sample_15_2
Main.java:40: error: cannot find symbol
        super.onCreate(savedInstanceState);
        ^
  symbol:   variable super
  location: class Sample_15_2
Main.java:41: error: package R does not exist
        setContentView(R.layout.main);
                        ^
Main.java:42: error: cannot find symbol
        mLocationManager = (LocationManager) getSystemService(LOCATION_SERVICE);
                            ^
  symbol:   class LocationManager
  location: class Sample_15_2
Main.java:42: error: cannot find symbol
        mLocationManager = (LocationManager) getSystemService(LOCATION_SERVICE);
                                                              ^
  symbol:   variable LOCATION_SERVICE
  location: class Sample_15_2
Main.java:43: error: cannot find symbol
        mLocationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, mLocationListener);
                                                ^
  symbol:   variable LocationManager
  location: class Sample_15_2
Main.java:44: error: cannot find symbol
        bmpArrow = BitmapFactory.decodeResource(getResources(), R.drawable.arrow);
                                                ^
  symbol:   method getResources()
  location: class Sample_15_2
Main.java:44: error: package R does not exist
        bmpArrow = BitmapFactory.decodeResource(getResources(), R.drawable.arrow);
                                                                 ^
Main.java:44: error: cannot find symbol
        bmpArrow = BitmapFactory.decodeResource(getResources(), R.drawable.arrow);
                   ^
  symbol:   variable BitmapFactory
  location: class Sample_15_2
Main.java:45: error: cannot find symbol
		mv = (MapView)findViewById(R.id.mv);			//??MapView??
		      ^
  symbol:   class MapView
  location: class Sample_15_2
Main.java:45: error: package R does not exist
		mv = (MapView)findViewById(R.id.mv);			//??MapView??
		                            ^
Main.java:48: error: cannot find symbol
		  rbNormal = (RadioButton)findViewById(R.id.normal);	//??RadioButton??
		              ^
  symbol:   class RadioButton
  location: class Sample_15_2
Main.java:48: error: package R does not exist
		  rbNormal = (RadioButton)findViewById(R.id.normal);	//??RadioButton??
		                                        ^
Main.java:49: error: cannot find symbol
  	      rbSatellite = (RadioButton)findViewById(R.id.satellite);	//??RadioButton??	
  	                     ^
  symbol:   class RadioButton
  location: class Sample_15_2
Main.java:49: error: package R does not exist
  	      rbSatellite = (RadioButton)findViewById(R.id.satellite);	//??RadioButton??	
  	                                               ^
Main.java:50: error: cannot find symbol
		  RadioGroup rg = (RadioGroup)findViewById(R.id.rg);	//??RadioGroup??		
		  ^
  symbol:   class RadioGroup
  location: class Sample_15_2
Main.java:50: error: cannot find symbol
		  RadioGroup rg = (RadioGroup)findViewById(R.id.rg);	//??RadioGroup??		
		                   ^
  symbol:   class RadioGroup
  location: class Sample_15_2
Main.java:50: error: package R does not exist
		  RadioGroup rg = (RadioGroup)findViewById(R.id.rg);	//??RadioGroup??		
		                                            ^
Main.java:51: error: cannot find symbol
		  rg.setOnCheckedChangeListener(new OnCheckedChangeListener() {
		                                    ^
  symbol:   class OnCheckedChangeListener
  location: class Sample_15_2
Main.java:38: error: method does not override or implement a method from a supertype
    @Override
    ^
Main.java:73: error: cannot find symbol
    				LocationManager.GPS_PROVIDER,                
    				^
  symbol:   variable LocationManager
  location: class Sample_15_2
Main.java:78: error: cannot find symbol
    	super.onResume();    
    	^
  symbol:   variable super
  location: class Sample_15_2
Main.java:81: error: cannot find symbol
    public LocationListener mLocationListener = new LocationListener() 
                                                    ^
  symbol:   class LocationListener
  location: class Sample_15_2
Main.java:125: error: cannot find symbol
		GeoPoint gp = new GeoPoint((int)(dLat*1E6), (int)(dLong*1E6));
		^
  symbol:   class GeoPoint
  location: class Sample_15_2
Main.java:125: error: cannot find symbol
		GeoPoint gp = new GeoPoint((int)(dLat*1E6), (int)(dLong*1E6));
		                  ^
  symbol:   class GeoPoint
  location: class Sample_15_2
Main.java:128: error: cannot find symbol
		List<Overlay> ol = mv.getOverlays();	//??MapView?Overlay
		     ^
  symbol:   class Overlay
  location: class Sample_15_2
Main.java:130: error: cannot find symbol
		ol.add(new ArrowOverLay(gp,bmpArrow));	//??????Overlay
		           ^
  symbol:   class ArrowOverLay
  location: class Sample_15_2
57 errors
stdout 
Standard output is empty
https://ideone.com/rbD2N6
language:
Java (HotSpot 12)
created:
12 years ago
visibility:
public

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