Universal double button or single button pop-up

preparation

1. Color value

   <color name="white">#FFFFFF</color>
   <color name="black">#000000</color>
   <color name="gray">#c8c7cc</color>
   <color name="deep_blue">#616EFD</color>
   <!-- transparent -->
   <color name="transparent">#00000000</color>

2. background
dialog_common_bg

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
    <corners android:radius="20dp" />
    <solid android:color="@color/white" />
    <stroke
        android:width="1dp"
        android:color="@color/white" />
</shape>

dialog_common_botton_button_bg

<?xml version="1.0" encoding="UTF-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle" >

    <solid android:color="@color/white" />

    <corners
        android:bottomRightRadius="20dp"
        android:bottomLeftRadius="20dp"
        />

    <padding
        android:bottom="8dp"
        android:left="18dp"
        android:right="18dp"
        android:top="8dp" />

</shape>

dialog_common_left_button_bg

<?xml version="1.0" encoding="UTF-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle">
    <corners android:bottomLeftRadius="20dp" />
    <padding
        android:bottom="8dp"
        android:left="18dp"
        android:right="18dp"
        android:top="8dp" />

    <solid android:color="@color/white" />
</shape>

dialog_common_right_button_bg

<?xml version="1.0" encoding="UTF-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle">

    <solid android:color="@color/deep_blue" />

    <corners android:bottomRightRadius="20dp" />

    <padding
        android:bottom="8dp"
        android:left="18dp"
        android:right="18dp"
        android:top="8dp" />

</shape>

dialog_common_title_bg

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle">

    <corners
        android:topLeftRadius="50dp"
        android:topRightRadius="50dp" />
    <solid android:color="@color/white" />
    <size
        android:width="75dp"
        android:height="75dp"
        />
</shape>

3. picture

4. style

 <!--  Dialog box  -->
    <style name="sp_dialog" parent="@android:style/Theme.Dialog">
        <item name="android:windowFrame">@null</item> <!--  Frame  -->
        <item name="android:windowIsFloating">true</item> <!--  Whether it appears in activity above  -->
        <item name="android:windowIsTranslucent">false</item> <!--  translucent  -->
        <item name="android:windowNoTitle">true</item> <!--  No title  -->
        <item name="android:windowBackground">@android:color/transparent</item> <!--  The background is transparent  -->
        <item name="android:backgroundDimEnabled">true</item> <!--  Fuzzy  -->
    </style>

5. Text and size

 <dimen name="text_size_16sp">16sp</dimen>

 <string name="cancel"> Cancel </string>
 <string name="confirm"> determine </string>
 <string name="tip"> Tips </string>

Main code
CommonDialog

public class CommonDialog extends Dialog {
    


    public CommonDialog(@NonNull Context context, int themeResId) {
    
        super(context, themeResId);
    }

    public static CommonDialog createOneButton(Context context, String msg,
                                               String btnText1, DialogInterface.OnClickListener mOnClickListener1) {
    

        CommonDialog.Builder dialogBuilder = new CommonDialog.Builder(context);
        dialogBuilder.setMessage(msg);
        dialogBuilder.addButton(btnText1, mOnClickListener1);
        CommonDialog dialog = dialogBuilder.create();
        dialog.setCanceledOnTouchOutside(false);
        dialog.show();
        return dialog;
    }

    public static CommonDialog createTwoButton(Context context, String msg,
                                               String btnText1, DialogInterface.OnClickListener mOnClickListener1,
                                               String btnText2, DialogInterface.OnClickListener mOnClickListener2) {
    

        CommonDialog.Builder dialogBuilder = new CommonDialog.Builder(context);
        dialogBuilder.setMessage(msg);
        dialogBuilder.addButton(btnText1, mOnClickListener1);
        dialogBuilder.addButton(btnText2, mOnClickListener2);
        CommonDialog dialog = dialogBuilder.create();
        dialog.setCanceledOnTouchOutside(false);
        dialog.show();
        return dialog;
    }

    public static class Builder {
    

        private Context context;
        private CharSequence message;
        private List<String> btnTextList;
        private List<DialogInterface.OnClickListener> btnListenerList;


        Builder(Context context) {
    
            this.context = context;
            btnTextList = new ArrayList<>();
            btnListenerList = new ArrayList<>();
        }

        public Builder setMessage(CharSequence message) {
    
            this.message = message;
            return this;

        }

        public Builder setMessage(int message) {
    
            this.message = context.getText(message);
            return this;
        }

        void addButton(String text, OnClickListener listener) {
    
            btnTextList.add(text);
            btnListenerList.add(listener);
        }


        public CommonDialog create() {
    
            final CommonDialog dialog = new CommonDialog(context, R.style.sp_dialog);
            dialog.setCancelable(false);

            dialog.setContentView(R.layout.dialog_common);

            if (message != null) {
    
                TextView textMessage = dialog.findViewById(R.id.tip);
                textMessage.setText(message);
                textMessage.setMovementMethod(ScrollingMovementMethod.getInstance());
            }

            Button btn1 = dialog.findViewById(R.id.left);
            Button btn2 = dialog.findViewById(R.id.right);

            int btnSize = btnListenerList.size();
            int btnSizeOne = 1;
            int btnSizeTwo = 2;
            if (btnSize == btnSizeOne) {
    
                btn1.setText(btnTextList.get(0));
                btn1.setOnClickListener(v -> btnListenerList.get(0).onClick(dialog, 0));
                btn1.setVisibility(View.VISIBLE);
                btn1.setBackgroundResource(R.drawable.dialog_common_botton_button_bg);
                btn2.setVisibility(View.GONE);
            } else if (btnSize >= btnSizeTwo) {
    
                btn1.setText(btnTextList.get(0));
                btn1.setOnClickListener(v -> btnListenerList.get(0).onClick(dialog, 0));
                btn2.setText(btnTextList.get(1));
                btn2.setOnClickListener(v -> btnListenerList.get(1).onClick(dialog, 1));

                btn1.setVisibility(View.VISIBLE);
                btn2.setVisibility(View.VISIBLE);
            }
            return dialog;
        }

    }
}

dialog_common

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="260dp"
    android:layout_height="wrap_content"
    android:layout_gravity="center_horizontal"
    android:background="@color/transparent"
    android:orientation="vertical">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="50dp"
        android:background="@drawable/dialog_common_bg"
        android:orientation="vertical">

        <TextView
            android:id="@+id/tip"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginBottom="50dp"
            android:layout_marginLeft="50dp"
            android:layout_marginRight="50dp"
            android:layout_marginTop="100dp"
            android:gravity="center"
            android:textColor="@color/black"
            android:textSize="@dimen/text_size_16sp" />

        <View
            android:layout_width="match_parent"
            android:layout_height="1dp"
            android:background="@color/gray" />

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="horizontal">

            <Button
                android:id="@+id/left"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:background="@drawable/dialog_common_left_button_bg"
                android:gravity="center"
                android:text="@string/cancel"
                android:textColor="@color/deep_blue"
                android:textSize="@dimen/text_size_16sp"
                tools:ignore="ButtonStyle" />

            <Button
                android:id="@+id/right"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:background="@drawable/dialog_common_right_button_bg"
                android:gravity="center"
                android:text="@string/confirm"
                android:textColor="@color/white"
                android:textSize="@dimen/text_size_16sp"
                tools:ignore="ButtonStyle" />
        </LinearLayout>

    </LinearLayout>

    <LinearLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true"
        android:background="@drawable/dialog_common_title_bg"
        android:gravity="center"
        android:orientation="vertical">

        <ImageView
            android:layout_width="32.5dp"
            android:layout_height="32.5dp"
            android:layout_marginTop="10dp"
            android:src="@drawable/icon_dialog_tip"
            tools:ignore="ContentDescription" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="10dp"
            android:text="@string/tip"
            android:textColor="@color/deep_blue"
            android:textSize="@dimen/text_size_18sp" />
    </LinearLayout>

</RelativeLayout>