style中:
<resources xmlns:android="http://schemas.android.com/apk/res/android">
<style name="MyDialog" parent="@android:style/Theme.Dialog">
<item name="android:windowBackground">@android:color/transparent</item>
<item name="android:windowContentOverlay">@null</item>
<item name="android:windowTitleStyle">@null</item>
<item name="android:colorBackgroundCacheHint">@null</item>
<item name="android:windowAnimationStyle">@android:style/Animation.Dialog</item>
<item name="android:windowSoftInputMode">stateUnspecified|adjustPan</item>
<item name="android:gravity">center</item>
</style>
</resources>
DialogFragment中:
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setStyle(DialogFragment.STYLE_NO_TITLE, R.style.MyDialog);
}
@Override
public void onStart(){
super.onStart();
Window window = getDialog().getWindow();
WindowManager.LayoutParams lp= window.getAttributes();
lp.dimAmout = 0;
lp.flags |= WindowManager.LayoutParams.FLAG_DIM_BEHIND;
window.setAttributes(lp);
}