3
私はエミュレータで再作成できないいくつかの問題がありますが、私は解決方法を持っていないアンドロイドマーケットでエラーレポートを取得し続けています。時には、これは場所を取得するときにnullPointerExceptionが発生する
java.lang.NullPointerException
at android.webkit.WebViewDatabase.getCacheTotalSize(WebViewDatabase.java:734)
at android.webkit.CacheManager.trimCacheIfNeeded(CacheManager.java:548)
at android.webkit.WebViewWorker.handleMessage(WebViewWorker.java:190)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:123)
at android.os.HandlerThread.run(HandlerThread.java:60)
そして、時には、このレポートをreposrts
ワリーGREATFULこと
java.lang.RuntimeException: Unable to start activity ComponentInfo{polis.koll/polis.koll.WebPageLoader}: java.lang.IllegalArgumentException: provider==null
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2737)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2753)
at android.app.ActivityThread.access$2500(ActivityThread.java:129)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2107)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:143)
at android.app.ActivityThread.main(ActivityThread.java:4701)
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:868)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.IllegalArgumentException: provider==null
at android.location.LocationManager.requestLocationUpdates(LocationManager.java:625)
at polis.koll.WebPageLoader.getLocation(WebPageLoader.java:54)
at polis.koll.WebPageLoader.onCreate(WebPageLoader.java:70)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2701)
）自分のコード
public class WebPageLoader extends Activity implements LocationListener{
public static String Android_ID = null;
final Activity activity = this;
private Location mostRecentLocation;
private void CheckEnableGPS(){
String provider = Settings.Secure.getString(getContentResolver(),
Settings.Secure.LOCATION_PROVIDERS_ALLOWED);
if(!provider.equals("")){
//GPS Enabled
getLocation();
}else{
Intent intent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
startActivity(intent);
}
}
private void getLocation() {
String provider = Settings.Secure.getString(getContentResolver(),
Settings.Secure.LOCATION_PROVIDERS_ALLOWED);
if(!provider.equals("")){
LocationManager locationManager =
(LocationManager)getSystemService(Context.LOCATION_SERVICE);
Criteria criteria = new Criteria();
criteria.setAccuracy(Criteria.ACCURACY_FINE);
String bestprovider = locationManager.getBestProvider(criteria,true);
locationManager.requestLocationUpdates(bestprovider, 1, 500, this);
mostRecentLocation = locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);
}else{
Intent intent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
startActivity(intent);
}
}
@Override
public void onCreate(Bundle savedInstanceState)
{
//AdManager.setTestDevices(new String[] { AdManager.TEST_EMULATOR });
super.onCreate(savedInstanceState);
this.getWindow().requestFeature(Window.FEATURE_PROGRESS);
setContentView(R.layout.main);
getLocation();
Android_ID = Secure.getString(getContentResolver(), Secure.ANDROID_ID);
WebView webView = (WebView) findViewById(R.id.webView);
webView.getSettings().setJavaScriptEnabled(true);
/** Allows JavaScript calls to access application resources **/
webView.addJavascriptInterface(new JavaScriptInterface(), "android16");
webView.setWebChromeClient(new WebChromeClient() {
public void onProgressChanged(WebView view, int progress)
{
activity.setTitle("Letar poliskontroller");
activity.setProgress(progress * 100);
if(progress == 100)
activity.setTitle(R.string.app_name);
}
});
webView.setWebViewClient(new WebViewClient() {
@Override
public void onReceivedError(WebView view, int errorCode, String description, String failingUrl)
{
// Handle the error
}
// Testade att ta bort denna override för att få market länkar att fungera
// @Override
// public boolean shouldOverrideUrlLoading(WebView view, String url)
// {
// view.loadUrl(url);
// return true;
// }
});
if (Locale.getDefault().getLanguage().equals("sv")){
//webView.loadUrl("file:///android_asset/android.html");
webView.loadUrl("file:///android_asset/findgps_sv.html");
}else{
//webView.loadUrl("http://m.bryggplatsen.se/android/polis/index.php");
//webView.loadUrl("file:///android_asset/android_en.html");
webView.loadUrl("file:///android_asset/findgps_en.html");
}
}
/** Sets up the interface for getting access to Latitude and Longitude data from device
**/
private class JavaScriptInterface {
public double getLatitude(){
return mostRecentLocation != null ? mostRecentLocation.getLatitude() : Double.NaN;
}
public double getLongitude(){
return mostRecentLocation != null ? mostRecentLocation.getLongitude() : Double.NaN;
}
public String getAndroid_ID(){
return Android_ID;
}
public void sharethisapp(){
startActivity(Intent.createChooser(sharespotIntent(), "Share this warning"));
}
}
@Override
public void onLocationChanged(Location location) {
// TODO Auto-generated method stub
getLocation();
//CheckEnableGPS();
}
@Override
public void onProviderDisabled(String provider) {
// TODO Auto-generated method stub
getLocation();
}
@Override
public void onProviderEnabled(String provider) {
// TODO Auto-generated method stub
getLocation();
}
@Override
public void onStatusChanged(String provider, int status, Bundle extras) {
// TODO Auto-generated method stub
getLocation();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
super.onCreateOptionsMenu(menu);
MenuItem item = menu.add("Shut down");
item.setIcon(R.drawable.exit);
item = menu.add("Share");
item.setIcon(R.drawable.m_share);
item = menu.add("Fix GPS");
item.setIcon(R.drawable.globe);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (item.getTitle() == "Shut down") {
System.exit(0);
finish();
}
if (item.getTitle() == "Fix GPS") {
getLocation();
}
if (item.getTitle() == "Share") {
if (Locale.getDefault().getLanguage().equals("sv")){
startActivity(Intent.createChooser(shareIntent(), "Dela denna app"));
}else{
startActivity(Intent.createChooser(shareIntent(), "Share this app"));
}
}
return true;
}
private Intent shareIntent() {
Intent shareIntent = new Intent(android.content.Intent.ACTION_SEND);
shareIntent.setType("text/plain");
if (Locale.getDefault().getLanguage().equals("sv")){
shareIntent.putExtra(android.content.Intent.EXTRA_SUBJECT, "Testa denna android app...");
return shareIntent.putExtra(android.content.Intent.EXTRA_TEXT, "index.php");
}else{
shareIntent.putExtra(android.content.Intent.EXTRA_SUBJECT, "Try this cool android app...");
return shareIntent.putExtra(android.content.Intent.EXTRA_TEXT, "index_en.php");
}
}
private Intent sharespotIntent() {
Intent sharespotIntent = new Intent(android.content.Intent.ACTION_SEND);
sharespotIntent.setType("text/plain");
if (Locale.getDefault().getLanguage().equals("sv")){
sharespotIntent.putExtra(android.content.Intent.EXTRA_SUBJECT, " la just upp en ny varning i appen Polisradar");
return sharespotIntent.putExtra(android.content.Intent.EXTRA_TEXT, "warn.php?lat=" + mostRecentLocation.getLatitude() + "&lng=" + mostRecentLocation.getLongitude() + "");
}else{
sharespotIntent.putExtra(android.content.Intent.EXTRA_SUBJECT, " just added a new warning in the app Policeradar");
return sharespotIntent.putExtra(android.content.Intent.EXTRA_TEXT, "warn_en.php?lat=" + mostRecentLocation.getLatitude() + "&lng=" + mostRecentLocation.getLongitude() + "");
}
}
}
あなたのせいではないような気分です。特定のデバイス、特定のメーカー、特定のAndroidのバージョンなど、例外がどこから来ているかのパターンはありますか？ – CommonsWare
いいえ携帯電話やAndroid搭載端末がレポートに表示されていないことはわかりません。アンドロイド2.2で自分の携帯電話（HTC Desire）で私は時々気づいたアプリが時々、あまりに頻繁に停止しないで、凍結やクラッシュではなく、ちょうどdosnt次のステップに行く。 – Jerry