Android showDialog时报错requestFeature() must be called before adding content
01-08 10:06:54.670: E/AndroidRuntime(1968): android.util.AndroidRuntimeException: requestFeature() must be called before adding content
01-08 10:06:54.670: E/AndroidRuntime(1968): at com.android.internal.policy.impl.PhoneWindow.requestFeature(PhoneWindow.java:192)
01-08 10:06:54.670: E/AndroidRuntime(1968): at com.android.internal.app.AlertController.installContent(AlertController.java:234)
01-08 10:06:54.670: E/AndroidRuntime(1968): at android.app.AlertDialog.onCreate(AlertDialog.java:314)
01-08 10:06:54.670: E/AndroidRuntime(1968): at android.app.Dialog.dispatchOnCreate(Dialog.java:335)
01-08 10:06:54.670: E/AndroidRuntime(1968): at android.app.Dialog.show(Dialog.java:248)
01-08 10:06:54.670: E/AndroidRuntime(1968): at com.android.test.showDialog(MainActivity.java:121)
出现此问题是由于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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