array values cannot be access outside onCreate() method
hi i am passing array of strings from activity A to Activity B. in activity B i am able to get this Array of strings within OnCreate() method .but if i use this array in a Separate class which is outside onCreate() method but in same activity B then this array showing null values. I am declaring the array as a global.
please tell me how to access this array into a seperate class outside the onCreate() method but within same activity...
this is activity A
public class mymap extends Activity { /** Called when the activity is first created. */
public static String arr[]={"40.748963847316034","-73.96807193756104" ,"United Nations",
"40.76866299974387","-73.98268461227417","Lincoln Center",
"40.765136435316755","-73.97989511489868","Carnegie Hall",
"40.70686417491799","-74.01572942733765","The Downtown Club",
"1.352566007"," 103.78921587","Singapore",
"12.971598","77.594562","Bangalore"};
public static String animatel[]={"12.971598","77.594562"};
public static int[] Icons = { R.drawable.drinkingfountain, R.drawable.pin, R.drawable.helicopter, R.drawable.levelcrossing, R.drawable.ter, R.drawable.templehindu
};
public static int[] Icons1 = { R.drawable.icon, R.drawable.pin, R.drawable.f_icon, R.drawable.icon, R.drawable.pin, R.drawable.f_icon
};
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Intent intent = new Intent(mymap.this,test.class);
intent.putExtra("ll",arr );
intent.putExtra("markers",Icons );
intent.putExtra("images",Icons1 );
intent.putExtra("anill", animatel);
startActivity(intent);
}
}
this is Activity B
public class mapll extends MapActivity { private MapView map=null; private MyLocationOverlay me=null; public static GeoPoint p; public static String[] arr; public static ArrayList Icons; public static ArrayList Icons1; public static Drawable marker1;
public static ArrayList arrtp = new ArrayList(); public static ArrayList Iconstp = new ArrayList(); public static ArrayList Icons1tp = new ArrayList(); public static ArrayList tp = new ArrayList();
String[] animatel; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); Log.d("prabhu","Inside the ocreate mapll"); arr = getIntent().getStringArrayExtra("ll"); // for(int i=0;i map=(MapView)findViewById(R.id.map);
//map.getController().setCenter(getPoint("40.76793169992044","-73.98180484771729"));
map.getController().setZoom(5);
map.setBuiltInZoomControls(true);
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Drawable marker=getResources().getDrawable(R.drawable.pin);
marker.setBounds(0, 0, marker.getIntrinsicWidth(),
marker.getIntrinsicHeight());
me=new MyLocationOverlay(this, map);
map.getOverlays().add(me);
map.getOverlays().add(new SitesOverlay(marker));
map.setSatellite(true);
map.getController().animateTo(getPoint(mymap.animatel[0],mymap.animatel[1]));
}
@Override
public void onResume() {
super.onResume();
me.enableCompass();
}
@Override
public void onPause() {
super.onPause();
me.disableCompass();
}
@Override
protected boolean isRouteDisplayed() {
return(false);
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_S) {
map.setSatellite(!map.isSatellite());
return(true);
}
else if (keyCode == KeyEvent.KEYCODE_Z) {
map.displayZoomControls(true);
return(true);
}
return(super.onKeyDown(keyCode, event));
}
private GeoPoint getPoint(String arr, String arr2) {
double lat = Double.parseDouble(arr);
double lon = Double.parseDouble(arr2);
return(new GeoPoint((int)(lat*1E6),
(int)(lon*1E6)));
}
class SitesOverlay extends ItemizedOverlay<OverlayItem> {
private List<OverlayItem> items=new ArrayList<OverlayItem>();
//private Drawable pin=null;
OverlayItem pi=null;
public SitesOverlay(Drawable marker) {
super(marker);
Log.d("prabhu","Inside the ");
//this.pin=marker;
// Icons1= getIntent().getExtras().getIntArray("images"); // Icons= getIntent().getExtras().getIntArray("markers"); // arr = getIntent().getExtras().getStringArray("ll"); boundCenterBottom(marker);
Log.d("prabhu","arr len "+arr.length);
for(int i=0;i<mapll.arr.length;i=i+3)
{
String add = "";
Geocoder geoCoder = new Geocoder(
getApplicationContext(), Locale.getDefault());
try {
//Log.d("prabhu","in try");
mapll.p= getPoint(mymap.arr[i],mymap.arr[i+1]);
List<Address> addresses = geoCoder.getFromLocation(
mapll.p.getLatitudeE6() / 1E6,
mapll. p.getLongitudeE6() / 1E6, 1);
if (addresses.size() > 0)
{
Log.d("prabhu","in try");
for (int k=0; k<addresses.get(0).getMaxAddressLineIndex();
k++)
add += addresses.get(0).getAddressLine(k) + "\n";
Log.d("prabhu","address"+add);
}
//Toast.makeText(getBaseContext(), add, Toast.LENGTH_SHORT).show();
}
catch (IOException e) {
Log.d("prabhu","exception occured");
e.printStackTrace();
}
// map.getController().animateTo(p); items.add(new OverlayItem(getPoint(mymap.arr[i],mymap.arr[i+1]),"",add));
add = "";
}
for(int m=0;m<mymap.Icons.length;m++){
mapll. marker1=getResources().getDrawable(mymap.Icons[m]);
mapll.marker1.setBounds(0, 0,mapll. marker1.getIntrinsicWidth(),
mapll.marker1.getIntrinsicHeight());
items.get(m).setMarker(mapll.marker1);
boundCenterBottom(mapll.marker1);
Log.d("prabhu","items "+items.get(m));
}
}
@Override
protected OverlayItem createItem(int j) {
return(items.get(j));
}
@Override
protected boolean onTap(int j) {
//Toast.makeText(NooYawk.this,items.get(j).getSnippet(),Toast.LENGTH_SHORT).show();
Context mContext = getApplicationContext();
Dialog dialog = new Dialog(mapll.this);
dialog.setContentView(R.layout.dialog);
//dialog.setTitle("Custom Dialog");
TextView text = (TextView) dialog.findViewById(R.id.text);
text.setText(items.get(j).getSnippet());
ImageView image = (ImageView) dialog.findViewById(R.id.image);
image.setBackgroundResource(mymap.Icons1[j]);
dialog.show();
dialog.setCanceledOnTouchOutside(true);
return true;
}
@Override
public int size() {
return(items.size());
}
private GeoPoint getPoint(String arr, String arr2) {
double lat = Double.parseDouble(arr);
double lon = Double.parseDouble(arr2);
return(new GeoPoint((int)(lat*1E6),
(int)(lon*1E6)));
}
}
}
i am getting this error : FATAL EXCEPTION: main
ERROR/AndroidRuntime(15822): java.lang.NoClassDefFoundError:
ERROR/dalvikvm(15822): Could not find class 'com.prabhu.android.mapll', referenced from method com.prabhu.android.mymap.onCreate ERROR/AndroidRuntime(15822): FATAL EXCEPTION: main ERROR/AndroidRuntime(15822): java.lang.NoClassDefFoundError: com.prabhu.android.mapll ERROR/AndroidRuntime(15822): at com.prabhu.android.mymap.onCreate(mymap.java:49) ERROR/AndroidRuntime(15822): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047) ERROR/AndroidRuntime(15822): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2633) ERROR/AndroidRuntime(15822): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2685) 04-28 10:28:26.337: ERROR/AndroidRuntime(15822): at android.app.ActivityThread.access$2300(ActivityThread.java:126) 04-28 10:28:26.337: ERROR/AndroidRuntime(15822): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2038) 04-28 10:28:26.337: ERROR/AndroidRuntime(15822): at android.os.Handler.dispatchMessage(Handler.java:99) 04-28 10:28:26.337: ERROR/AndroidRuntime(15822): at android.os.Looper.loop(Looper.java:123) 04-28 10:28:26.337: ERROR/AndroidRuntime(15822): at android.app.ActivityThread.main(ActivityThread.java:4633) 04-28 10:28:26.337: ERROR/AndroidRuntime(15822): at java.lang.reflect.Method.invokeNative(Native Method) 04-28 10:28:26.337: ERROR/AndroidRuntime(15822): at java.lang.reflect.Method.invoke(Method.java:521) 04-28 10:28:26.337: ERROR/AndroidRuntime(15822): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:858) 04-28 10:28:26.337: ERROR/AndroidRuntime(15822): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616) 04-28 10:28:26.337: ERROR/AndroidRuntime(15822): at dalvik.system.NativeStart.main(Native Method)
Make a String
array (say strArray variable) in your Activity
B and while coming from first Activity
A, in onCreate()
of Activity
B method
strArray = getIntent().getStringArrayExtra("GiveMeArray");
now you can use your array in separate class but within same Activity
Edit:
In your Class mymap
while defining the Intent
Intent intent = new Intent(mymap.this,test.class); // <<< what is test.class
intent.putExtra("ll",arr );
What is test.class
, and your Activity B
is mapll
If you make it public static
, you can access it from anywhere. You may want to put it in a central Utility class if multiple Activities will need access to it.
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