报错信息：
Uncaught Attempt to read from field 'java.lang.Class io.dcloud.invocation.c.b' on a null object reference;at android.print.PrintManager.print
代码块：
var printDocumentAdapter = plus.android.implements('android.print.PrintDocumentAdapter', {
"onLayout": function(oldAttributes, newAttributes, cancellationSignal, callback, extras) {
},
"onWrite": function(pages, destination, cancellationSignal, callback) {
}
});
var main = plus.android.runtimeMainActivity();
var printManager = main.getSystemService(Context.PRINT_SERVICE);
printManager.print("test", printDocumentAdapter, null); 求大神指教
2 个回复
小雨_0128 (作者)
附Android代码
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