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判断当前Activity是否存在

来源:互联网 收集:自由互联 发布时间:2021-06-28
gistfile1.txt Intent intent = new Intent(); intent.setClassName(MyApp.getAPPContext().getPackageName(), className); ResolveInfo resolveInfo = MyApp.getAPPContext().getPackageManager().resolveActivity(intent, PackageManager.MATCH_DEFAULT_ONL
gistfile1.txt
Intent intent = new Intent();
        intent.setClassName(MyApp.getAPPContext().getPackageName(), className);
        ResolveInfo resolveInfo = MyApp.getAPPContext().getPackageManager().resolveActivity(intent, PackageManager.MATCH_DEFAULT_ONLY);
        if(ResolveInfo!=null){
            //存在
        }else{
            //不存在
        }
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