Dialog封装

/**
 * Created by wk on 15/11/9.
 */

import android.app.Dialog;
import android.content.Context;
import android.content.DialogInterface;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup.LayoutParams;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.TextView;

import com.iasku.iaskuseniormath.R;

public class CustomDialog extends Dialog {

    public CustomDialog(Context context) {
        super(context);
    }

    public CustomDialog(Context context, int theme) {
        super(context, theme);
    }

    public static class Builder {
        private Context context;
        private String title;
        private String message;
        private String positiveButtonText;
        private String negativeButtonText;
        private View contentView;
        private View messageView;
        private DialogInterface.OnClickListener positiveButtonClickListener;
        private DialogInterface.OnClickListener negativeButtonClickListener;
        private Button positiveButton;
        private int[] statuses;

        public Builder(Context context) {
            this.context = context;
        }

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

        /**
         * Set the Dialog message from resource
         *
         * @paramtitle
         * @return
         */
        public Builder setMessage(int message) {
            this.message = (String) context.getText(message);
            return this;
        }

        /**
         * Set the Dialog title from resource
         *
         * @param title
         * @return
         */
        public Builder setTitle(int title) {
            this.title = (String) context.getText(title);
            return this;
        }

        /**
         * Set the Dialog title from String
         *
         * @param title
         * @return
         */

        public Builder setTitle(String title) {
            this.title = title;
            return this;
        }

        public Builder setContentView(View v) {
            this.contentView = v;
            return this;
        }

        public Builder setMessageView(View v) {
            this.messageView = v;
            return this;
        }

        public Builder setStatuses(int[] statuses) {
            this.statuses = statuses;
            return this;
        }

        /**
         * Set the positive button resource and it's listener
         *
         * @param positiveButtonText
         * @return
         */
        public Builder setPositiveButton(int positiveButtonText, DialogInterface.OnClickListener listener) {
            this.positiveButtonText = (String) context.getText(positiveButtonText);
            this.positiveButtonClickListener = listener;
            return this;
        }

        public Builder setPositiveButton(String positiveButtonText, DialogInterface.OnClickListener listener) {
            this.positiveButtonText = positiveButtonText;
            this.positiveButtonClickListener = listener;
            return this;
        }

        public Builder setNegativeButton(int negativeButtonText, DialogInterface.OnClickListener listener) {
            this.negativeButtonText = (String) context.getText(negativeButtonText);
            this.negativeButtonClickListener = listener;
            return this;
        }

        public Builder setNegativeButton(String negativeButtonText, DialogInterface.OnClickListener listener) {
            this.negativeButtonText = negativeButtonText;
            this.negativeButtonClickListener = listener;
            return this;
        }

        public void setEnabled(boolean enabled) {
            if (enabled) {
                this.positiveButton.setBackgroundResource(R.drawable.btn_cancel_selector);
            } else {
                this.positiveButton.setBackgroundResource(R.drawable.dialog_positivebutton_bg);
            }
            this.positiveButton.setEnabled(enabled);
        }

        public Builder textIsEmpty(boolean isEmpty){
            if (!isEmpty) {
                this.positiveButton.setBackgroundResource(R.drawable.btn_cancel_selector);
            } else {
                this.positiveButton.setBackgroundResource(R.drawable.dialog_positivebutton_bg);
            }
            this.positiveButton.setEnabled(!isEmpty);
            return this;
        }

        public Builder modifyButtonEnabled() {
            int  length = statuses.length;
            int sum = 0;
            for (int i = 0; i < length; i++) {
                sum += statuses[i];
            }
            if (sum == 0) {
                setEnabled(false);
            } else {
                setEnabled(true);
            }
            return this;
        }

        public CustomDialog create() {
            LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
            // instantiate the dialog with the custom Theme
            final CustomDialog dialog = new CustomDialog(context, R.style.Dialog);
            View layout = inflater.inflate(R.layout.dialog_normal_layout, null);
            dialog.addContentView(layout, new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT));
            // set the dialog title
            ((TextView) layout.findViewById(R.id.title)).setText(title);
            // set the confirm button
            if (positiveButtonText != null) {
                this.positiveButton = (Button) layout.findViewById(R.id.positiveButton);
                this.positiveButton.setText(positiveButtonText);
                if (positiveButtonClickListener != null) {
                    ((Button) layout.findViewById(R.id.positiveButton)).setOnClickListener(new View.OnClickListener() {
                        public void onClick(View v) {
                            positiveButtonClickListener.onClick(dialog, DialogInterface.BUTTON_POSITIVE);
                        }
                    });
                }
            } else {
                // if no confirm button just set the visibility to GONE
                layout.findViewById(R.id.positiveButton).setVisibility(View.GONE);
            }
            // set the cancel button
            if (negativeButtonText != null) {
                ((Button) layout.findViewById(R.id.negativeButton)).setText(negativeButtonText);
                if (negativeButtonClickListener != null) {
                    ((Button) layout.findViewById(R.id.negativeButton)).setOnClickListener(new View.OnClickListener() {
                        public void onClick(View v) {
                            negativeButtonClickListener.onClick(dialog, DialogInterface.BUTTON_NEGATIVE);
                        }
                    });
                }
            } else {
                // if no confirm button just set the visibility to GONE
                layout.findViewById(R.id.negativeButton).setVisibility(View.GONE);
            }
            // set the content message
            if (message != null) {
                ((TextView) layout.findViewById(R.id.message)).setText(message);
            } else if (contentView != null) {
                // if no message set
                // add the contentView to the dialog body
                ((LinearLayout) layout.findViewById(R.id.content_layout)).removeAllViews();
                ((LinearLayout) layout.findViewById(R.id.content_layout)).addView(contentView, new LayoutParams(
                        LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
            } else if (messageView != null) {
                ((LinearLayout) layout.findViewById(R.id.message_layout)).removeAllViews();
                ((LinearLayout) layout.findViewById(R.id.message_layout)).addView(messageView, new LayoutParams(
                        LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT));
            }
            dialog.setContentView(layout);
            return dialog;
        }

    }
}

对应的layout

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:clickable="true"
    android:orientation="vertical"
    android:padding="20.0dip" >

    <LinearLayout
        android:id="@+id/content_layout"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:background="@drawable/bg_bombbox"
        android:orientation="vertical" >

        <TextView
            android:id="@+id/title"
            style="@style/text_18_ffffff"
            android:layout_width="fill_parent"
            android:layout_height="40.0dip"
            android:gravity="center"
            android:text="@string/title_alert"
            android:background="@drawable/bg_title"
            android:visibility="visible" />

        <LinearLayout
            android:id="@+id/message_layout"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:gravity="left|center"
            android:minHeight="120.0dip"
            android:paddingBottom="15.0dip"
            android:paddingLeft="20.0dip"
            android:paddingRight="20.0dip"
            android:paddingTop="15.0dip" >

            <TextView
                android:id="@+id/message"
                style="@style/text_16_666666"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:lineSpacingMultiplier="1.5" />
        </LinearLayout>

        <View
            android:layout_width="fill_parent"
            android:layout_height="1.0px"
            android:background="#ffd0d0d0" />

        <LinearLayout
            android:layout_width="fill_parent"
            android:layout_height="60.0dip"
            android:layout_gravity="bottom"
            android:background="@drawable/dialog_bottom_bg"
            android:gravity="center"
            android:orientation="horizontal" >

            <View
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1" />

            <Button
                android:id="@+id/positiveButton"
                style="@style/text_15_666666_sdw"
                android:layout_width="114.0dip"
                android:layout_height="40.0dip"
                android:background="@drawable/btn_cancel_selector"
                android:gravity="center"
                android:text="@string/ok" />

            <View
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1" />

            <Button
                android:id="@+id/negativeButton"
                style="@style/text_15_666666_sdw"
                android:layout_width="114.0dip"
                android:layout_height="40.0dip"
                android:background="@drawable/btn_cancel_selector"
                android:gravity="center"
                android:text="@string/cancel" />

            <View
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1" />
        </LinearLayout>
    </LinearLayout>

</FrameLayout>