即使在检查if（dialog！= null和dialog.isShowing（））之后，我也收到此错误。有没有人知道它发生的原因是什么。
下面是我的堆栈跟踪和类代码。提前致谢
STACK_TRACE=java.lang.IllegalArgumentException: View=com.android.internal.policy.impl.PhoneWindow$DecorView{2c7550a8 V.E..... R.....ID 0,0-326,175} not attached to window manager
at android.view.WindowManagerGlobal.findViewLocked(WindowManagerGlobal.java:396)
at android.view.WindowManagerGlobal.removeView(WindowManagerGlobal.java:322)
at android.view.WindowManagerImpl.removeViewImmediate(WindowManagerImpl.java:116)
at android.app.Dialog.dismissDialog(Dialog.java:341)
at android.app.Dialog.dismiss(Dialog.java:324)
at com.abcd.org.Eula$9.onPageFinished(Eula.java:332)
at com.android.webview.chromium.WebViewContentsClientAdapter.onPageFinished(WebViewContentsClientAdapter.java:513)
at org.chromium.android_webview.AwContentsClientCallbackHelper$MyHandler.handleMessage(AwContentsClientCallbackHelper.java:188)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5343)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:905)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:700)
这是课程：
public class Eula {
private static Boolean dialog_show ;
static interface OnEulaAgreedTo {
void onEulaAgreedTo();
}
public static boolean show(final Activity activity,final Context context,final Boolean flag) {
final SharedPreferences preferences = activity.getSharedPreferences(PREFERENCES_EULA, Activity.MODE_PRIVATE);
Log.d(TAG, "insideEula");
dialog_show = false;
final ProgressDialog progress = new ProgressDialog(activity);
progress.setMessage("Loading EULA......");
progress.setProgressStyle(ProgressDialog.STYLE_SPINNER);
progress.setIndeterminate(true);
progress.setCanceledOnTouchOutside(false);
progress.setCancelable(false);
if (!preferences.getBoolean(PREFERENCE_EULA_ACCEPTED, false)) {
final AlertDialog.Builder builder = new AlertDialog.Builder(
activity);
Log.d(TAG, "insideEulaLaunch");
builder.setTitle(R.string.eula_title);
builder.setCancelable(true);
builder.setPositiveButton(R.string.eula_accept,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
preferences.edit().putBoolean(PREFERENCE_EULA_ACCEPTED, true).commit();
if (activity instanceof OnEulaAgreedTo) {
((OnEulaAgreedTo) activity).onEulaAgreedTo();
}
}
});
builder.setNegativeButton(R.string.eula_refuse,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
refuse(activity);
}
});
builder.setOnCancelListener(new DialogInterface.OnCancelListener() {
public void onCancel(DialogInterface dialog) {
refuse(activity);
}
});
WebView wv = new WebView(activity);
wv.getSettings().setJavaScriptEnabled(true);
wv.getSettings().setBuiltInZoomControls(true);
wv.getSettings().setSupportZoom(true);
wv.getSettings().setUseWideViewPort(true);
/* wv.getSettings().getAllowContentAccess();
wv.getSettings().setJavaScriptEnabled(true);
wv.getSettings().supportMultipleWindows();
wv.getSettings().setAllowContentAccess(true);
wv.getSettings().setAllowFileAccess(true);
wv.getSettings().setAllowFileAccessFromFileURLs(true);
wv.getSettings().setAllowUniversalAccessFromFileURLs(true);*/
wv.setClickable(true);
wv.setInitialScale(1);
try{
wv.loadUrl(context.getString(R.string.eula_url));
}catch(Exception e){
Log.d(TAG, "eula fil" + e.getMessage().toString());
}
wv.setOnKeyListener(new OnKeyListener()
{
@Override
public boolean onKey(View v, int keyCode, KeyEvent event)
{
if(event.getAction() == KeyEvent.ACTION_DOWN)
{
WebView webView = (WebView) v;
switch(keyCode)
{
case KeyEvent.KEYCODE_BACK:
if(webView.canGoBack())
{
webView.goBack();
return true;
}
break;
}
}
return false;
}
});
wv.requestFocus(View.FOCUS_DOWN);
wv.setOnTouchListener(new View.OnTouchListener()
{
@Override
public boolean onTouch(View v, MotionEvent event) {
// TODO Auto-generated method stub
switch (event.getAction())
{
case MotionEvent.ACTION_DOWN:
case MotionEvent.ACTION_UP:
if (!v.hasFocus())
{
v.requestFocus();
}
break;
}
return false;
}
});
wv.setWebViewClient(new WebViewClient() {
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
// view.loadUrl(url);
// return true;
Log.d(TAG, "shouldOverrideUrlLoading" + url);
Pattern pattern = Pattern.compile("[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}");
String cleanUrl = url;
if (url.contains("?")) {
// remove the query string
cleanUrl = url.substring(0, url.indexOf("?"));
}
Matcher mat = pattern.matcher(url);
Log.d(TAG, "url == " + url);
if (cleanUrl.endsWith("pdf")) {
Log.d(TAG, "pdf");
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.setDataAndType(Uri.parse(url), "application/pdf");
try {
Uri uriUrl = Uri.parse(cleanUrl);
Intent intentUrl = new Intent(Intent.ACTION_VIEW,
uriUrl);
view.getContext().startActivity(intentUrl);
return true;
} catch (Exception e) {
Toast.makeText(context, "No PDF Viewer Installed",
Toast.LENGTH_LONG).show();
}
} else if(url.contains("mailto:")){
Log.d(TAG, "mailto");
Uri uriUrl = Uri.parse(cleanUrl);
Intent intentUrl = new Intent(Intent.ACTION_VIEW,
uriUrl);
view.getContext().startActivity(intentUrl);
return true;
} else if(url.contains("tel:")){
Log.d(TAG, "tel");
String telUrl = url;
Intent intent = new Intent(Intent.ACTION_DIAL);
intent.setData(Uri.parse(telUrl));
view.getContext().startActivity(intent);
}
else {
Log.d(TAG, "default");
// view.loadUrl(url);
Uri uriUrl = Uri.parse(cleanUrl);
Intent intentUrl = new Intent(Intent.ACTION_VIEW,
uriUrl);
view.getContext().startActivity(intentUrl);
}
return true;
}
@Override
public void onPageFinished(WebView view, String url) {
// TODO Auto-generated method stub
Log.d(TAG, "onPageFinished");
if (progress != null && progress.isShowing()) {
progress.dismiss();
if(DataTransLayer.canTransferData(context)){
builder.show();
}else{
// builder.show().getButton(AlertDialog.BUTTON_POSITIVE).setEnabled(false);
activity.finish();
}
}
}
@Override
public void onPageStarted(WebView view, String url,
Bitmap favicon) {
// TODO Auto-generated method stub
Log.d(TAG, "onPageStarted");
if(!dialog_show){
progress.show();
dialog_show = true;
}
}
});
builder.setView(wv);
return false;
}
return true;
}
private static void refuse(Activity activity) {
activity.finish();
}
private static CharSequence readEula(Activity activity) {
BufferedReader in = null;
try {
in = new BufferedReader(new InputStreamReader(activity.getAssets()
.open(ASSET_EULA)));
String line;
StringBuilder buffer = new StringBuilder();
while ((line = in.readLine()) != null)
buffer.append(line).append('\n');
byte[] latin1 = buffer.toString().getBytes("ISO-8859-1");
return new String(latin1);
//return buffer;
} catch (IOException e) {
return "";
} finally {
closeStream(in);
}
}
private static void closeStream(Closeable stream) {
if (stream != null) {
try {
stream.close();
} catch (IOException e) {
// Ignore
}
}
}
}
答案 0 :(得分：1)
@Pankaj所说的是对的。在进行其他活动之前，您需要关闭进度对话框。