Android showDialog时报错requestFeature() must be called before adding content
View view = View.inflate(this, R.layout.layout_dialog, null);
AlertDialog alertDialog = new AlertDialog.Builder(TabActivity.this, R.style.CustomDialog).create();
alertDialog.setContentView(view);
alertDialog.show();
alertDialog.setCanceledOnTouchOutside(true);
alertDialog.setCancelable(true);
运行上面的代码报错:

原因:
于dialog.show()之前调用了dialog.setContentView()或者dialog.getwindow()等,正确的应该是dialog.show()之后调用dialog.setContentView()
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