[英]Image over alertdialog - android
如何通过Alertdialog显示fab? 这是我尝试的代码
final Dialog dialog = new Dialog(MainActivity.this);
dialog.setContentView(R.layout.custom_dialog);
dialog.show();
custom_dialog.xml
<RelativeLayout
.... />
<CardView
..
/>
<android.support.design.widget.FloatingActionButton
..
app:layout_anchor="@id/ll_cardView"
app:layout_anchorGravity="center|top"
/>
</RelativeLayout>
这是MainActivity(或您拥有的任何东西)
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
showOnClickProfileDialog();
}
private void showOnClickProfileDialog() {
AlertDialog.Builder alert = new AlertDialog.Builder(MainActivity.this);
View alertView = getLayoutInflater().inflate(R.layout.alert_dialog_view, null);
//Set the view
alert.setView(alertView);
//Show alert
final AlertDialog alertDialog = alert.show();
//Can not close the alert by touching outside.
alertDialog.setCancelable(false);
alertDialog.setCanceledOnTouchOutside(false);
alertDialog.getWindow().setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));
}
}
这是alert_dialog_view
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@drawable/white_radius_background"
android:paddingBottom="150dp"
android:layout_marginTop="150dp"
android:layout_marginRight="15dp"
android:layout_marginLeft="15dp"
android:id="@+id/relativeLayout">
</RelativeLayout>
<ImageView
android:layout_width="100dp"
android:layout_height="100dp"
android:layout_marginTop="-50dp"
android:src="@drawable/profile_picture"
android:layout_alignTop="@+id/relativeLayout"
android:layout_centerHorizontal="true" />
</RelativeLayout>
</RelativeLayout>
这是white_radius_background
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
<solid
android:color="@color/colorWhite50"/>
<corners
android:radius="5dp" />
<padding
android:left="10dp"
android:top="10dp"
android:right="10dp"
android:bottom="10dp" />
</shape>
这是解决方案
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