我在任何预棒棒糖设备上运行该应用时出现此错误，除非该应用在＆gt; = 5.0版本中完美运行。
这就是我得到的：
Process: com.hashrail.newyorkcityguide, PID: 31045
java.lang.NullPointerException: IBitmapDescriptorFactory is not initialized
at com.google.android.gms.common.internal.zzx.zzb(Unknown Source)
at com.google.android.gms.maps.model.BitmapDescriptorFactory.zzAi(Unknown Source)
at com.google.android.gms.maps.model.BitmapDescriptorFactory.fromBitmap(Unknown Source)
at com.hashrail.newyorkcityguide.fragment.FragmentNearby.onActivityCreated(FragmentNearby.java:160)
at android.support.v4.app.Fragment.performActivityCreated(Fragment.java:1983)
at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1092)
at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1252)
at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:738)
at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1617)
at android.support.v4.app.FragmentManagerImpl.executePendingTransactions(FragmentManager.java:570)
at com.hashrail.newyorkcityguide.MainActivity.showScreen(MainActivity.java:335)
at com.hashrail.newyorkcityguide.MainActivity.showNearbyFragment(MainActivity.java:249)
at com.hashrail.newyorkcityguide.fragment.FragmentListPlaces$OnMapClickListener$1.run(FragmentListPlaces.java:243)
at android.os.Handler.handleCallback(Handler.java:808)
at android.os.Handler.dispatchMessage(Handler.java:103)
at android.os.Looper.loop(Looper.java:193)
at android.app.ActivityThread.main(ActivityThread.java:5333)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:824)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:640)
at dalvik.system.NativeStart.main(Native Method)
05-18 11:31:27.932 31045-31145/com.hashrail.newyorkcityguide E/GAv4: Successfully bound to service but never got onServiceConnected callback
MainActivity
public class MainActivity extends FragmentActivity{
public static float density;
private static final int PERMISSION_REQUEST_CODE_LOCATION = 1;
public static Context context;
private GPSTracker gps;
private double latitudeGet, longitudeGet;
public static String getApiKey() {
return context.getString(R.string.google_api_key);
}
private String cityGet, countryGet;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
MapsInitializer.initialize(getApplicationContext());
try {
context = this;
ThemeUtil.setTranslucentTheme(this);
density = getResources().getDisplayMetrics().density;
setContentView(R.layout.activity_main);
/* if (android.os.Build.VERSION.SDK_INT > 9 || android.os.Build.VERSION.SDK_INT < 21 ) {
StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder()
.permitAll().build();
StrictMode.setThreadPolicy(policy);
}*/
DatabaseManager.initWithContext(this);
ImageLoader.getInstance().init(
ImageOptionsBuilder.createImageLoaderConfiguration(this));
Constants.DEFAULT_PHOTO_WIDTH = getResources().getDisplayMetrics().widthPixels;
showHomeFragment();
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
NearbyPlacesManager.getInstance();
}
}, 1000);
new AboutDataLoader().loadData(this);
if (checkPermission(Manifest.permission.ACCESS_FINE_LOCATION,getApplicationContext(),MainActivity.this)) {
getCurrentArea();
}
else
{
requestPermission(Manifest.permission.ACCESS_FINE_LOCATION,PERMISSION_REQUEST_CODE_LOCATION,getApplicationContext(),MainActivity.this);
}
// initAdmob();
initAppoDeal();
/* if (NetConnectivity.isOnline(getApplicationContext())) {
} else {
}*/
//Fabric.with(this, new Crashlytics());
} catch (Exception e) {
e.printStackTrace();
}
}
private void initAppoDeal() {
String appKey = "703f62f01e41eecc435236577c2e5500d1f291d2acd9fab3";
Appodeal.initialize(this, appKey, Appodeal.BANNER);
Appodeal.show(this, Appodeal.BANNER);
/*
Appodeal.setNativeCallbacks(new NativeCallbacks() {
@Override
public void onNativeLoaded(List<NativeAd> nativeAds) {
Log.d("Appodeal", "onNativeLoaded");
}
@Override
public void onNativeFailedToLoad() {
Log.d("Appodeal", "onNativeFailedToLoad");
}
@Override
public void onNativeShown(NativeAd nativeAd) {
Log.d("Appodeal", "onNativeShown");
}
@Override
public void onNativeClicked(NativeAd nativeAd) {
Log.d("Appodeal", "onNativeClicked");
Toast.makeText(MainActivity.this, "Your Clicked", Toast.LENGTH_LONG).show();
}
});*/
}
public static void requestPermission(String strPermission,int perCode,Context _c,Activity _a){
if (ActivityCompat.shouldShowRequestPermissionRationale(_a,strPermission)){
//Toast.makeText(getApplicationContext(),"GPS permission allows us to access location data. Please allow in App Settings for additional functionality.",Toast.LENGTH_LONG).show();
} else {
ActivityCompat.requestPermissions(_a,new String[]{strPermission},perCode);
}
}
public static boolean checkPermission(String strPermission,Context _c,Activity _a){
int result = ContextCompat.checkSelfPermission(_c, strPermission);
if (result == PackageManager.PERMISSION_GRANTED){
return true;
} else {
return false;
}
}
@Override
public void onRequestPermissionsResult(int requestCode, String permissions[], int[] grantResults) {
switch (requestCode) {
case PERMISSION_REQUEST_CODE_LOCATION:
if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
getCurrentArea();
} else {
Toast.makeText(getApplicationContext(),"Permission Denied, You cannot access location data.",Toast.LENGTH_LONG).show();
}
break;
}
}
private void getCurrentArea() {
gps = new GPSTracker(MainActivity.this);
// check if GPS enabled
if (gps.canGetLocation()) {
latitudeGet = gps.getLatitude();
longitudeGet = gps.getLongitude();
Geocoder geoCoder = new Geocoder(getBaseContext(), Locale.getDefault());
try {
List<Address> addresses = geoCoder.getFromLocation(latitudeGet, longitudeGet, 1);
//List<Address> addresses = geoCoder.getFromLocation(17.4126274,78.2679594, 1);
if (addresses.size() > 0) {
System.out.println(addresses.get(0).getLocality());
System.out.println(addresses.get(0).getCountryName());
cityGet = addresses.get(0).getLocality();
countryGet = addresses.get(0).getCountryName();
AppSettings.LATITUDE = latitudeGet;
AppSettings.LONGITUDE = longitudeGet;
// AppSettings.LATITUDE = 17.4126274;
// AppSettings.LONGITUDE= 78.2679594;
AppSettings.TOWN = cityGet;
AppSettings.COUNTRY = countryGet;
}
//showToastMessage(add);
// Toast.makeText(MainActivity.this, "Your Location is - " + cityGet + " " + countryGet, Toast.LENGTH_LONG).show();
} catch (IOException e1) {
e1.printStackTrace();
}
// \n is for new line
// Toast.makeText(MainActivity.this, "Your Location is - \nLat: " + latitudeGet + "\nLong: " + longitudeGet, Toast.LENGTH_LONG).show();
} else {
// can't get location
// GPS or Network is not enabled
// Ask user to enable GPS/network in settings
gps.showSettingsAlert();
}
}
public void showNearbyFragment(Constants.PLACE_TYPES type, Place placeDetail, boolean showCurrentLocation) {
showScreen(FragmentNearby.newInstance(type, placeDetail, showCurrentLocation), FragmentNearby.TAG, true, false);
}
public boolean isNearbyFragmentShowed() {
return getSupportFragmentManager().findFragmentByTag(FragmentNearby.TAG) != null;
}
public void showListFragment(Constants.PLACE_TYPES type) {
showScreen(FragmentListPlaces.newInstance(type), FragmentListPlaces.TAG, true, false);
}
private void showHomeFragment() {
showScreen(FragmentHome.newInstance(), FragmentHome.TAG, false, false);
}
public void showForecastFragment() {
showScreen(FragmentForecast.newInstance(), FragmentForecast.TAG, true, false);
}
public void showAboutFragment() {
showScreen(FragmentAbout.newInstance(), FragmentAbout.TAG, true, false);
}
public void showLoadingDialog() {
DialogFragmentLoading.newInstance().show(getSupportFragmentManager(), DialogFragmentLoading.TAG);
}
public void showPhotoDialog(Photo photo) {
DialogFragmentPhoto.newInstance(photo).show(getSupportFragmentManager(), DialogFragmentPhoto.TAG);
}
public void showPlaceDetailFragment(Place place, Constants.PLACE_TYPES type) {
FragmentPlaceDetail fragmentPlaceDetail = FragmentPlaceDetail.newInstance(place, type);
showScreen(fragmentPlaceDetail, FragmentPlaceDetail.TAG, true, false);
}
public void showReviewsScreen(PlaceDetails placeDetails, Constants.PLACE_TYPES type) {
FragmentReviews fragmentReviews = FragmentReviews.newInstance(placeDetails, type);
showScreen(fragmentReviews, FragmentReviews.TAG, true, false);
}
public void hideLoadingDialog() {
Fragment loadingFragment = getSupportFragmentManager().findFragmentByTag(DialogFragmentLoading.TAG);
if (loadingFragment != null) {
((DialogFragmentLoading) loadingFragment).dismiss();
}
}
private void showScreen(Fragment content,
String contentTag, boolean addToBackStack, boolean clearBackStack) {
if (!NetworkFetcher.isNetworkConnected(MainActivity.this) && !contentTag.equalsIgnoreCase(FragmentHome.TAG)) {
Toast.makeText(this, getString(R.string.no_internet_connection), Toast.LENGTH_LONG).show();
return;
}
FragmentManager fm = getSupportFragmentManager();
FragmentTransaction ft = fm.beginTransaction();
ft.setCustomAnimations(R.anim.left_slide_in, R.anim.left_slide_out,
R.anim.right_slide_in, R.anim.right_slide_out);
ft.replace(R.id.activity_main_content, content, contentTag);
if (clearBackStack) {
fm.popBackStackImmediate(null,
FragmentManager.POP_BACK_STACK_INCLUSIVE);
}
if (addToBackStack) {
ft.addToBackStack(String.valueOf(System.identityHashCode(content)));
}
ft.commitAllowingStateLoss();
fm.executePendingTransactions();
}
}