我使用后台线程从Sqlite数据库读取一些GPS数据......并将其存储在某些GeoPoints中.....在完成读取数据我想使用一个意图,以查看该数据描述的路线。使用谷歌地图试图在两个位置之间查看路线时的问题
这里是我的代码:
protected List<GeoPoint> doInBackground(DBAdapter... db) {
try {
db[0].openDataBase();
Cursor c = db[0].getAllData();
if (c.moveToFirst()) {
do {
longitude = Integer.parseInt(c.getString(0));
latitude = Integer.parseInt(c.getString(1));
p = new GeoPoint(latitude, longitude);
geoPointsArray.add(p);
} while (c.moveToNext());
}
c.close();
db[0].close();
} catch (Exception e) {
Log.d("Eroare", "doInBackground", e);
}
return geoPointsArray;
}
protected void onPostExecute(List<GeoPoint> geoPointsArray) {
int i = geoPointsArray.size();
srcPlace = geoPointsArray.get(1);
destPlace = geoPointsArray.get(i);
Intent intent = new Intent(android.content.Intent.ACTION_VIEW,
Uri.parse(" http://maps.google.com?t=k&saddr=" + srcPlace
+ "&daddr=" + destPlace));
startActivity(intent);
}
可是事情,什么地方去可怕的错误,我得到了logcat中的下一个输出:
Uncaught handler: thread main exiting due to uncaught exception
java.lang.IndexOutOfBoundsException: Invalid location 4180, size is 4180
at java.util.ArrayList.get(ArrayList.java:341)
at test.android.screen_database$InitTask.onPostExecute(screen_database.java:201)
at test.android.screen_database$InitTask.onPostExecute(screen_database.java:1)
at android.os.AsyncTask.finish(AsyncTask.java:417)
at android.os.AsyncTask.access$300(AsyncTask.java:127)
at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:429)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:123)
at android.app.ActivityThread.main(ActivityThread.java:4363)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:521)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
at dalvik.system.NativeStart.main(Native Method)
不要忘了我想看到的路径这两点之间的地图...所以如果你有关于URL的建议比欢迎!
UPDATE:这是我第二FC
thread exiting with uncaught exception (group=0x4001b188)
Uncaught handler: thread main exiting due to uncaught exception
android.content.ActivityNotFoundException: No Activity found to handle Intent { act=android.intent.action.VIEW dat= http://maps.google.com?t=k&saddr=48856838,2351068&daddr=48927049,2357270 } at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:1408)
at android.app.Instrumentation.execStartActivity(Instrumentation.java:1378)
at android.app.Activity.startActivityForResult(Activity.java:2749)
at android.app.Activity.startActivity(Activity.java:2855)
at test.android.screen_database$InitTask.onPostExecute(screen_database.java:205)
at test.android.screen_database$InitTask.onPostExecute(screen_database.java:1)
at android.os.AsyncTask.finish(AsyncTask.java:417)
at android.os.AsyncTask.access$300(AsyncTask.java:127)
at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:429)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:123)
at android.app.ActivityThread.main(ActivityThread.java:4363)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:521)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
at dalvik.system.NativeStart.main(Native Method)
好,反而是正确的网址显示的路线? – adrian 2011-05-11 18:33:26
试试吧。我会登录的网址,并在正常的浏览器中测试... – WarrenFaith 2011-05-11 18:39:24
嗯,我解决了,但我仍然得到一个错误....我更新了我的问题...你有什么线索现在有什么错误?? – adrian 2011-05-11 18:39:27