我正在尝试DialogFragment使用自定义视图创建AlertDialog.必须从xml中扩充此视图.在我的DialogFragment班上,我有:
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
return new AlertDialog.Builder(getActivity())
.setTitle("Title")
.setView(getActivity().getLayoutInflater().inflate(R.layout.dialog, null))
.setPositiveButton(android.R.string.ok, this)
.setNegativeButton(android.R.string.cancel, null)
.create();
}
Run Code Online (Sandbox Code Playgroud)
我尝试过其他通胀方法,.setView()例如:
.setView(getActivity().getLayoutInflater().inflate(R.layout.dialog, (ViewGroup) getView(), false))
Run Code Online (Sandbox Code Playgroud)
和
.setView(getActivity().getLayoutInflater().inflate(R.layout.dialog, (ViewGroup) getTargetFragment().getView(), false))
Run Code Online (Sandbox Code Playgroud)
在显示此对话框的片段中设置目标片段之后.
所有这些尝试使我的自定义视图膨胀都会导致以下异常:
E/AndroidRuntime(32352): android.util.AndroidRuntimeException: requestFeature() must be called before adding content
E/AndroidRuntime(32352): at com.android.internal.policy.impl.PhoneWindow.requestFeature(PhoneWindow.java:214)
E/AndroidRuntime(32352): at com.android.internal.app.AlertController.installContent(AlertController.java:248)
E/AndroidRuntime(32352): at android.app.AlertDialog.onCreate(AlertDialog.java:314)
E/AndroidRuntime(32352): at android.app.Dialog.dispatchOnCreate(Dialog.java:335)
E/AndroidRuntime(32352): at android.app.Dialog.show(Dialog.java:248)
E/AndroidRuntime(32352): at android.support.v4.app.DialogFragment.onStart(DialogFragment.java:339)
E/AndroidRuntime(32352): at android.support.v4.app.Fragment.performStart(Fragment.java:1288)
E/AndroidRuntime(32352): at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:873)
E/AndroidRuntime(32352): at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1041)
E/AndroidRuntime(32352): at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:625)
E/AndroidRuntime(32352): at …Run Code Online (Sandbox Code Playgroud) android android-inflate android-fragments layout-inflater android-alertdialog