在Main处显示致命错误。 现在我在发布日志和该来源。回复我错误在哪里以及如何清除它。在此先感谢。
11-10 11:31:50.927: V/Shravan(25876): Police
11-10 11:31:50.947: V/(25876): MainActivity's onPause Method !!!
11-10 11:31:50.977: W/dalvikvm(25876): VFY: unable to resolve static field 863 (MapAttrs) in Lcom/google/android/gms/R$styleable;
11-10 11:31:50.987: W/dalvikvm(25876): threadid=1: thread exiting with uncaught exception (group=0x40aeb9f0)
11-10 11:31:51.007: E/AndroidRuntime(25876): FATAL EXCEPTION: main
11-10 11:31:51.007: E/AndroidRuntime(25876): java.lang.NoClassDefFoundError: com.google.android.gms.R$styleable
11-10 11:31:51.007: E/AndroidRuntime(25876): at com.google.android.gms.maps.GoogleMapOptions.createFromAttributes(Unknown Source)
11-10 11:31:51.007: E/AndroidRuntime(25876): at com.google.android.gms.maps.SupportMapFragment.onInflate(Unknown Source)
11-10 11:31:51.007: E/AndroidRuntime(25876): at android.support.v4.app.FragmentActivity.onCreateView(FragmentActivity.java:279)
11-10 11:31:51.007: E/AndroidRuntime(25876): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:669)
11-10 11:31:51.007: E/AndroidRuntime(25876): at android.view.LayoutInflater.rInflate(LayoutInflater.java:739)
11-10 11:31:51.007: E/AndroidRuntime(25876): at android.view.LayoutInflater.inflate(LayoutInflater.java:489)
11-10 11:31:51.007: E/AndroidRuntime(25876): at android.view.LayoutInflater.inflate(LayoutInflater.java:396)
11-10 11:31:51.007: E/AndroidRuntime(25876): at android.view.LayoutInflater.inflate(LayoutInflater.java:352)
11-10 11:31:51.007: E/AndroidRuntime(25876): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:268)
11-10 11:31:51.007: E/AndroidRuntime(25876): at android.app.Activity.setContentView(Activity.java:1837)
11-10 11:31:51.007: E/AndroidRuntime(25876): at shravan.nyshadh.balaji.Maps.onCreate(Maps.java:86)
11-10 11:31:51.007: E/AndroidRuntime(25876): at android.app.Activity.performCreate(Activity.java:4470)
11-10 11:31:51.007: E/AndroidRuntime(25876): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049)
11-10 11:31:51.007: E/AndroidRuntime(25876): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1920)
11-10 11:31:51.007: E/AndroidRuntime(25876): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981)
11-10 11:31:51.007: E/AndroidRuntime(25876): at android.app.ActivityThread.access$600(ActivityThread.java:123)
11-10 11:31:51.007: E/AndroidRuntime(25876): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147)
11-10 11:31:51.007: E/AndroidRuntime(25876): at android.os.Handler.dispatchMessage(Handler.java:99)
11-10 11:31:51.007: E/AndroidRuntime(25876): at android.os.Looper.loop(Looper.java:137)
11-10 11:31:51.007: E/AndroidRuntime(25876): at android.app.ActivityThread.main(ActivityThread.java:4424)
11-10 11:31:51.007: E/AndroidRuntime(25876): at java.lang.reflect.Method.invokeNative(Native Method)
11-10 11:31:51.007: E/AndroidRuntime(25876): at java.lang.reflect.Method.invoke(Method.java:511)
11-10 11:31:51.007: E/AndroidRuntime(25876): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:817)
11-10 11:31:51.007: E/AndroidRuntime(25876): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:584)
11-10 11:31:51.007: E/AndroidRuntime(25876): at dalvik.system.NativeStart.main(Native Method)
这是主要活动。
public class MainActivity extends Activity {
/*
* HOSPITAL, POLICE, FIRESTATION, and AMBULANCE are constant variables that are assigned
* to their respective emergency itent. It helps us to draw icons and perform web services
* related activities.
*/
private static final int HOSPITAL = 1;
private static final int POLICE = 2;
private static final int FIRESTATION = 3;
private static final int AMBULANCE = 4;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if(Preferences.readString(this, Preferences.NAME) == null){
startActivity(new Intent(this, Registration.class));
if(Preferences.readString(this, Preferences.NAME) == null){
this.finish();
}
} else {
setContentView(R.layout.activity_main);
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}
/**
* This is the main screen of our application. This is the first screen shown after a user has registered.
* The registration screen only shows if it is the users first time using the application.
* @param v
*/
public void onClick(View v) {
int id = v.getId();
if (id == R.id.sos_button) {
startActivity(new Intent(this, Sos.class));
} else if (id == R.id.firestation_button) {
Intent firestation = new Intent(this, Maps.class);
firestation.putExtra("key", FIRESTATION);
startActivity(firestation);
} else if (id == R.id.hospital_button) {
Intent hospital = new Intent(this, Maps.class);
hospital.putExtra("key", HOSPITAL);
startActivity(hospital);
} else if (id == R.id.ambulance_button) {
Intent ambulance = new Intent(this, Maps.class);
ambulance.putExtra("key", AMBULANCE);
startActivity(ambulance);
} else if (id == R.id.police_button) {
Log.v("Shravan", "Police");
Intent police = new Intent(this, Maps.class);
police.putExtra("key", POLICE);
startActivity(police);
} else if (id == R.id.bloodbank_button) {
Log.v("Shravan", "BloodBank");
startActivity(new Intent(this,BloodBank.class));
} else if (id == R.id.emergencycontact_button) {
try{
StringBuilder number = new StringBuilder();
number.append("tel:");
number.append(Preferences.readString(this, Preferences.EM_NUMBER));
Intent callIntent = new Intent (Intent.ACTION_CALL);
callIntent.setData(Uri.parse(number.toString()));
startActivity(callIntent);
}catch (ActivityNotFoundException activityException) {
Log.e("First Response", "Call failed");
}
} else if (id == R.id.home_button) {
try{
StringBuilder number = new StringBuilder();
number.append("tel:");
number.append(Preferences.readString(this, Preferences.PHONE_NUMBER));
Intent callIntent = new Intent (Intent.ACTION_CALL);
//callIntent.setData(Uri.parse("tel:5136523144"));
callIntent.setData(Uri.parse(number.toString()));
startActivity(callIntent);
}catch (ActivityNotFoundException activityException) {
Log.e("First Response", "Call failed");
}
} else if (id == R.id.settings_button) {
startActivity(new Intent(this,Settings.class));
}
}
/** used upon resuming the application.
*
*/
public void onResume(){
super.onResume();
Log.v(null, "MainActivity's onResume Method !!!");
}
/**
* an empty onPause method
*/
public void onPause(){
super.onPause();
Log.v(null, "MainActivity's onPause Method !!!");
}
/**
* Called before interrupt to save data.
*/
protected void onSaveInstanceState (Bundle outState){
super.onSaveInstanceState(outState);
// nothing needs to be saved here since nothing is changed or being used.
}
/**
* Called during onResume() to restore data.
*/
protected void onRestoreInstanceState (Bundle savedInstanceState){
super.onRestoreInstanceState(savedInstanceState);
// Restore session score
// nothing needs to be restored here since nothing is used previously.
}
}
这是Map类。
/**
* In this activity, emergency icons are drawn according to the view that was clicked
* from MainActivity. Icons are numbered in order of increasing distance
* from user's current location.
*
*/
public class Maps extends FragmentActivity {
private GoogleMap myMap;
LocationManager lm;
LocationListener locationListener;
Location mLoc;
int code;
boolean zoomb = true;
ArrayList<String> ambulances = new ArrayList<String>();
boolean directioncheck = false;
// LIST VIEW
ListView listview;
ArrayList<String> itemlist = new ArrayList<String>();
ArrayAdapter<String> adapter;
ArrayList<Marker> markerlist;
Direction direction = new Direction();
ArrayList<LatLng> pline = new ArrayList<LatLng>();
LatLng currentmarker;
Integer cid;
String provider = "";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_maps);
/*
* Check if any of the radios (Mobile Data or Wi-Fi) are on.
*/
final WifiManager wifiManager = (WifiManager) this.getSystemService(Context.WIFI_SERVICE);
TelephonyManager telephonyManager = (TelephonyManager) this.getSystemService(Context.TELEPHONY_SERVICE);
LocationManager manager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
if(telephonyManager.getDataState() == 0 && wifiManager.isWifiEnabled() == false && manager.isProviderEnabled(LocationManager.GPS_PROVIDER) == false) {
AlertDialog.Builder ad = new AlertDialog.Builder(Maps.this);
ad.setTitle("First-Responder");
ad.setMessage("Your network and gps providers are off. Please enable one of them.");
ad.setPositiveButton("Network", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
AlertDialog.Builder network = new AlertDialog.Builder(Maps.this);
network.setTitle("First-Responder");
network.setMessage("Please choose between Wi-Fi and Mobile Data");
network.setPositiveButton("Wi-Fi", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
Intent intent = new Intent(android.provider.Settings.ACTION_WIFI_SETTINGS);
startActivity(intent);
provider = "network";
}
});
network.setNegativeButton("Mobile Data", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
Intent intent = new Intent (android.provider.Settings.ACTION_DATA_ROAMING_SETTINGS);
startActivity(intent);
provider = "network";
}
});
network.show();
}
});
ad.setNegativeButton("GPS", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
Intent intent = new Intent(android.provider.Settings.ACTION_LOCATION_SOURCE_SETTINGS);
startActivity(intent);
provider = "gps";
}
});
ad.show();
}
if(telephonyManager.getDataState() == TelephonyManager.DATA_CONNECTED) {
provider = "network";
} else if (wifiManager.isWifiEnabled()) {
provider = "network";
} else if (manager.isProviderEnabled(LocationManager.GPS_PROVIDER)) {
provider = "gps";
}
listview = (ListView)findViewById(R.id.listView);
adapter = new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1,itemlist);
listview.setAdapter(adapter);
markerlist = new ArrayList<Marker>();
FragmentManager myFragmentManager = getSupportFragmentManager();
SupportMapFragment mySupportMapFragment = (SupportMapFragment) myFragmentManager.findFragmentById(R.id.map);
myMap = mySupportMapFragment.getMap();
myMap.setMyLocationEnabled(true);
myMap.setMapType(GoogleMap.MAP_TYPE_NORMAL);
lm = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
locationListener = new MyLocationListener();
Intent intent = getIntent();
code = intent.getIntExtra("key", 0);
if (provider != null) {
mLoc = lm.getLastKnownLocation(provider);
}
if (mLoc != null) {
query(mLoc);
}
listview.setOnItemClickListener(new OnItemClickListener(){
@Override
public void onItemClick(AdapterView<?> parent, View view, int position,
long id) {
//Toast.makeText(getApplicationContext(), Integer.toString(markerlist.size()), Toast.LENGTH_LONG).show();
LatLng point = markerlist.get(position).getPosition();
CameraUpdate center = CameraUpdateFactory.newLatLng(point);
myMap.animateCamera(center, 2000, null);
}
});
myMap.setOnInfoWindowClickListener(new OnInfoWindowClickListener() {
@Override
public void onInfoWindowClick(final Marker marker) {
// TODO Auto-generated method stub
AlertDialog.Builder ad = new AlertDialog.Builder(Maps.this);
ad.setTitle("First-Responder");
ad.setMessage("Would you like directions?");
ad.setPositiveButton("Yes", new DialogInterface.OnClickListener() {
@Override
public void onClick( DialogInterface dialog, int arg1) {
myMap.clear();
query(mLoc);
currentmarker = marker.getPosition();
LatLng pt = marker.getPosition();
direction.getmapsinfo(myMap, pt, mLoc, itemlist, adapter);
listview.setClickable(false);
}
});
ad.setNegativeButton("No", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
//ok, do nothing
dialog.cancel();
}
});
ad.show();
}
});
}
/**
* This method takes in a parameter loc, which is the user's current location. Then, according to the view
* pressed from MainActivity the according case is executed. The method performs a Google nearby search and
* returns a JSON String for parsing.
* @param loc
*/
public void query(Location loc) {
switch (code) {
case 1:
new GetHospitals()
.execute("https://maps.googleapis.com/maps/api/place/nearbysearch/json?location="
+ Double.toString(mLoc.getLatitude())
+ ","
+ Double.toString(mLoc.getLongitude())
+ "&rankby=distance&types=hospital&sensor=false&key=AIzaSyAPrOxAoTKUdaXtktg4B2QrdPZO5SpM0VQ");
break;
case 2:
new GetHospitals()
.execute("https://maps.googleapis.com/maps/api/place/nearbysearch/json?location="
+ Double.toString(mLoc.getLatitude())
+ ","
+ Double.toString(mLoc.getLongitude())
+ "&rankby=distance&types=police&sensor=false&key=AIzaSyAPrOxAoTKUdaXtktg4B2QrdPZO5SpM0VQ");
break;
case 3:
new GetHospitals()
.execute("https://maps.googleapis.com/maps/api/place/nearbysearch/json?location="
+ Double.toString(mLoc.getLatitude())
+ ","
+ Double.toString(mLoc.getLongitude())
+ "&rankby=distance&types=fire_station&sensor=false&key=AIzaSyAPrOxAoTKUdaXtktg4B2QrdPZO5SpM0VQ");
break;
case 4:
Database db = new Database(Maps.this);
LatLng point = new LatLng(mLoc.getLatitude(), mLoc.getLongitude());
ambulances = db.sort(point);
placemarkers(ambulances);
db.close();
break;
}
}
/**
* Assigns a number according to distance the nearest ambulance.
* @param ambulances
*/
private void placemarkers(ArrayList<String> ambulances){
Bitmap myWrittenBitmap;
for(int i = 0; i < ambulances.size(); i++){
String item = ambulances.get(i);
Marker m;
myWrittenBitmap = customImage(i+1, R.drawable.ambulance_launcher);
String[] values = item.split(",");
String name = values[0];
String number = values[1];
String itemlat = values[2];
String itemlong = values[3];
LatLng point = new LatLng(Double.parseDouble(itemlat), Double.parseDouble(itemlong));
m = myMap.addMarker(new MarkerOptions().position(point).title(name).snippet(number).icon(BitmapDescriptorFactory.fromBitmap(myWrittenBitmap)));
markerlist.add(m);
if(!directioncheck){
itemlist.add(Integer.toString(i+1)+" "+ name);
adapter.notifyDataSetChanged();
}
}
LatLng point = new LatLng(mLoc.getLatitude(), mLoc.getLongitude());
CameraUpdate center = CameraUpdateFactory.newLatLng(point);
CameraUpdate zoom = CameraUpdateFactory.zoomTo(12);
myMap.moveCamera(center);
myMap.animateCamera(zoom);
}
/**
* This method takes in an index and a picture (represented as an int)
* and creates a canvas on which to paint and write the number on.
* @param index
* @param resource
* @return bitmap
*/
// adding custom images to markers.
private Bitmap customImage(int index, int resource ){
Bitmap bm;
Bitmap myWrittenBitmap;
Canvas canvas;
Paint txtPaint;
bm = BitmapFactory.decodeResource(getResources(), resource);
myWrittenBitmap = Bitmap.createBitmap(bm.getWidth(), bm.getHeight(), Bitmap.Config.ARGB_4444);
// create a Canvas on which to draw and a Paint to write text.
canvas = new Canvas(myWrittenBitmap);
txtPaint = new Paint();
txtPaint.setColor(Color.RED);
txtPaint.setTextSize(12);
txtPaint.setFlags(Paint.ANTI_ALIAS_FLAG);
txtPaint.setTypeface(Typeface.DEFAULT_BOLD);
//draw ref bitmap then text on our canvas
canvas.drawBitmap(bm, 0, 0, null);
canvas.drawText(Integer.toString(index), 10,10 , txtPaint);
return myWrittenBitmap;
}
private class MyLocationListener implements LocationListener {
@Override
public void onLocationChanged(Location loc) {
if (loc != null) {
mLoc = new Location(loc);
//query(mLoc);
}
}
@Override
public void onProviderDisabled(String provider) {
Context context = Maps.this;
AlertDialog.Builder ad = new AlertDialog.Builder(context);
ad.setTitle("Warning!");
ad.setMessage("Provider: " + provider + " disabled");
if(provider.equals("network")) {
String button1String = "Enable network";
ad.setPositiveButton(button1String, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int arg1) {
Intent intent = new Intent(android.provider.Settings.ACTION_LOCATION_SOURCE_SETTINGS);
startActivity(intent);
}
});
}
ad.show();
}
@Override
public void onProviderEnabled(String provider) {
}
@Override
public void onStatusChanged(String provider, int status, Bundle extras) {
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.maps, menu);
return true;
}
public String readConnectionString(String URL) {
StringBuilder stringBuilder = new StringBuilder();
HttpClient httpClient = new DefaultHttpClient();
HttpGet httpGet = new HttpGet(URL);
try {
HttpResponse response = httpClient.execute(httpGet);
StatusLine statusLine = response.getStatusLine();
int statusCode = statusLine.getStatusCode();
if (statusCode == 200) {
HttpEntity entity = response.getEntity();
InputStream inputStream = entity.getContent();
BufferedReader reader = new BufferedReader(
new InputStreamReader(inputStream));
String line;
while ((line = reader.readLine()) != null) {
stringBuilder.append(line);
}
inputStream.close();
} else {
Log.d("ConnectionString", "Failed to connect");
}
} catch (Exception e) {
Log.d("ConnectionString", e.getLocalizedMessage());
}
return stringBuilder.toString();
}
private class GetHospitals extends AsyncTask<String, Void, String> {
protected String doInBackground(String... urls) {
return readConnectionString(urls[0]);
}
protected void onPostExecute(String JSONString) {
try {
JSONObject jsonObject = new JSONObject(JSONString);
JSONArray EmergencyItems = new JSONArray(
jsonObject.getString("results"));
for (int i = 0; i < EmergencyItems.length(); i++) {
JSONObject EmergencyItem = EmergencyItems.getJSONObject(i);
Double lat = Double.parseDouble(EmergencyItem
.getJSONObject("geometry")
.getJSONObject("location").getString("lat"));
Double lng = Double.parseDouble(EmergencyItem
.getJSONObject("geometry")
.getJSONObject("location").getString("lng"));
LatLng point = new LatLng(lat,lng);
Bitmap myWrittenBitmap;
Marker m;
switch (code) {
case 1:
myWrittenBitmap = customImage(i+1, R.drawable.hsp_launcher);
m = myMap.addMarker(new MarkerOptions().position(point).title(EmergencyItem.getString("name")).snippet(EmergencyItem.getString("vicinity")).icon(BitmapDescriptorFactory.fromBitmap(myWrittenBitmap)));
if(directioncheck == false){
itemlist.add(Integer.toString(i+1)+" "+ EmergencyItem.getString("name"));
adapter.notifyDataSetChanged();
}
markerlist.add(m);
break;
case 2:
myWrittenBitmap = customImage(i+1, R.drawable.pol_launcher);
m = myMap.addMarker(new MarkerOptions().position(point).title(EmergencyItem.getString("name")).snippet(EmergencyItem.getString("vicinity")).icon(BitmapDescriptorFactory.fromBitmap(myWrittenBitmap)));
if(directioncheck == false){
itemlist.add(Integer.toString(i+1)+" "+ EmergencyItem.getString("name"));
adapter.notifyDataSetChanged();
}
markerlist.add(m);
break;
case 3:
myWrittenBitmap = customImage(i+1, R.drawable.fire_launcher);
m = myMap.addMarker(new MarkerOptions().position(point).title(EmergencyItem.getString("name")).snippet(EmergencyItem.getString("vicinity")).icon(BitmapDescriptorFactory.fromBitmap(myWrittenBitmap)));
if(directioncheck == false){
itemlist.add(Integer.toString(i+1)+" "+ EmergencyItem.getString("name"));
adapter.notifyDataSetChanged();
}
markerlist.add(m);
break;
}
}
if(zoomb) {
LatLng point = new LatLng(mLoc.getLatitude(), mLoc.getLongitude());
CameraUpdate center = CameraUpdateFactory.newLatLng(point);
CameraUpdate zoom = CameraUpdateFactory.zoomTo(12);
myMap.moveCamera(center);
myMap.animateCamera(zoom);
zoomb=false;
}
} catch (Exception e) {
Log.d("EmergencyItem", e.getLocalizedMessage());
}
}
}
/** used upon resuming the application.
*
*/
@Override
public void onResume(){
super.onResume();
// if(provider == "network") {
lm.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 0, 0, locationListener);
// } else if (provider == "gps") {
// lm.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, locationListener);
// }
Log.v(null, "Maps's onResume Method !!!");
}
/**
* Android onPause method. Clears any stored location in location manager.
*/
@Override
public void onPause(){
super.onPause();
lm.removeUpdates(locationListener);
zoomb = true;
Log.v(null, "Maps's onPause Method !!!");
}
/**
* Android onSaveInstanceState method. Here, the
* driving instructions, latitudes and longitudes
* are stored.
*/
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
if(direction.getDirections() != null){
Log.v("!NullDirection", "!NULL");
outState.putStringArrayList("DIRECTIONS", direction.getDirections());
Preferences.writeLatLng(this, Preferences.MLAT, currentmarker);
} else {
Log.v("NullDirection", "NULL");
}
}
/**
*
*/
@Override
protected void onRestoreInstanceState(Bundle inputState){
Log.v("INRESTORE", "onRestoreInstanceState");
if(inputState != null){
if(inputState.containsKey("DIRECTIONS")){
itemlist.clear();
//adapter.clear();
adapter = new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1,itemlist);
ArrayList<String> tempitemlist = inputState.getStringArrayList("DIRECTIONS");
Log.v("FIRST DIRECTION", Integer.toString(itemlist.size()));
for(int i = 0; i < tempitemlist.size(); i++){
itemlist.add(tempitemlist.get(i));
adapter.notifyDataSetChanged();
}
directioncheck = true;
}
if(Preferences.readMarker(this, Preferences.MLAT) != null){
LatLng pts = Preferences.readMarker(this, Preferences.MLAT);
currentmarker = pts;
direction.getmapsinfo(myMap, pts, mLoc, itemlist, adapter);
}
}
}
}
当我点击警察按钮时，我将使用我的GPS定位器显示当前位置最近的警察局。但是，当我点击它时，不幸的是退出了。