Use*_*163 3 java android android-alertdialog android-dialogfragment material-components-android
这是我的自定义对话框的代码:
public class DialogBrightness extends AppCompatDialogFragment {
@NonNull
@Override
public Dialog onCreateDialog(@Nullable Bundle savedInstanceState) {
LayoutInflater inflater = getActivity().getLayoutInflater();
View view = inflater.inflate(R.layout.layout_dialog, null);
AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
/*Build and create the dialog here*/
}
}
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我按照其他答案的说明首先创建了这个称为 dialog_bg 的可绘制 xml:
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
<solid
android:color="#fff5ee"/>
<corners
android:radius="30dp" />
<padding
android:left="10dp"
android:top="10dp"
android:right="10dp"
android:bottom="10dp" />
</shape>
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然后将其设置为 layout_dialog xml 的背景:
android:background="@drawable/dialog_bg"
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但我无法完成将对话框的根视图设置为透明的最后一步:
dialogBrightness.getWindow().setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));
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因为没有 getWindow() 函数。
另外,当他们说 root view 时,他们的意思是我在上面的 inflate 函数中设置为 null 的那个吗?
您可以使用MaterialAlertDialogBuilderMaterial Components 库中包含的:
import androidx.fragment.app.DialogFragment;
public class CustomDialog extends DialogFragment {
//...
@NonNull
@Override
public Dialog onCreateDialog(@Nullable Bundle savedInstanceState) {
return new MaterialAlertDialogBuilder(getActivity(),R.style.MaterialAlertDialog_rounded)
.setTitle("Title")
.setMessage("Message")
.setPositiveButton("OK", null)
.create();
}
}
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和:
<style name="MaterialAlertDialog_rounded" parent="@style/ThemeOverlay.MaterialComponents.MaterialAlertDialog">
<item name="shapeAppearanceOverlay">@style/ShapeAppearanceOverlay.MyApp.Dialog.Rounded</item>
</style>
<style name="ShapeAppearanceOverlay.MyApp.Dialog.Rounded" parent="">
<item name="cornerFamily">rounded</item>
<item name="cornerSize">8dp</item>
</style>
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