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iosWebViewFix
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Merge pull request #116 from robsonfingo/master 

Avoid null pointer exception after webview is disposed
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Lorenzo Pichilli 2019-10-24 12:18:46 +02:00 committed by GitHub
parent d7edfc5ee4 8590e9190d
commit 07f63a5f23
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1 changed files with 4 additions and 0 deletions
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android/src/main/java/com/pichillilorenzo/flutter_inappbrowser/JavaScriptBridgeInterface.java
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@ -51,6 +51,10 @@ public class JavaScriptBridgeInterface {
getChannel().invokeMethod("onCallJsHandler", obj, new MethodChannel.Result() { getChannel().invokeMethod("onCallJsHandler", obj, new MethodChannel.Result() {
@Override @Override
public void success(Object json) { public void success(Object json) {
if (flutterWebView.webView == null) {
// The webview has already been disposed, ignore.
return;
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
flutterWebView.webView.evaluateJavascript("window." + name + "[" + _callHandlerID + "](" + json + "); delete window." + name + "[" + _callHandlerID + "];", null); flutterWebView.webView.evaluateJavascript("window." + name + "[" + _callHandlerID + "](" + json + "); delete window." + name + "[" + _callHandlerID + "];", null);
} }