디자인을 새로이 다 바꾼 커스텀 다이얼로그를 구현해 볼려고 여러 가지 방법을 시도 해보았는데 마지막 백그라운드가 항상 남아서 그것 마저 바꾸기 위해서 찾은 것이 Dialog Class를 상속받는 CustomDialog Class를 만드는 것이다.


출처 : http://blog.androgames.net/10/custom-android-dialog/



Dialog.xml

(xml 형식이 제대로 올라가지 않아서 소스 첨부)

styles.xml

(xml 형식이 제대로 올라가지 않아서 소스 첨부)

CustomDialog.javal
package net.androgames.blog.sample.customdialog.dialog;
 
import net.androgames.blog.sample.customdialog.R;
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;
 
/**
 * 
 * Create custom Dialog windows for your application
 * Custom dialogs rely on custom layouts wich allow you to 
 * create and use your own look & feel.
 * 
 * Under GPL v3 : http://www.gnu.org/licenses/gpl-3.0.html
 * 
 * @author antoine vianey
 *
 */
public class CustomDialog extends Dialog {
 
    public CustomDialog(Context context, int theme) {
        super(context, theme);
    }
 
    public CustomDialog(Context context) {
        super(context);
    }
 
    /**
     * Helper class for creating a custom dialog
     */
    public static class Builder {
 
        private Context context;
        private String title;
        private String message;
        private String positiveButtonText;
        private String negativeButtonText;
        private View contentView;
 
        private DialogInterface.OnClickListener 
                        positiveButtonClickListener,
                        negativeButtonClickListener;
 
        public Builder(Context context) {
            this.context = context;
        }
 
        /**
         * Set the Dialog message from String
         * @param title
         * @return
         */
        public Builder setMessage(String message) {
            this.message = message;
            return this;
        }
 
        /**
         * Set the Dialog message from resource
         * @param title
         * @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;
        }
 
        /**
         * Set a custom content view for the Dialog.
         * If a message is set, the contentView is not
         * added to the Dialog...
         * @param v
         * @return
         */
        public Builder setContentView(View v) {
            this.contentView = v;
            return this;
        }
 
        /**
         * Set the positive button resource and it's listener
         * @param positiveButtonText
         * @param listener
         * @return
         */
        public Builder setPositiveButton(int positiveButtonText,
                DialogInterface.OnClickListener listener) {
            this.positiveButtonText = (String) context
                    .getText(positiveButtonText);
            this.positiveButtonClickListener = listener;
            return this;
        }
 
        /**
         * Set the positive button text and it's listener
         * @param positiveButtonText
         * @param listener
         * @return
         */
        public Builder setPositiveButton(String positiveButtonText,
                DialogInterface.OnClickListener listener) {
            this.positiveButtonText = positiveButtonText;
            this.positiveButtonClickListener = listener;
            return this;
        }
 
        /**
         * Set the negative button resource and it's listener
         * @param negativeButtonText
         * @param listener
         * @return
         */
        public Builder setNegativeButton(int negativeButtonText,
                DialogInterface.OnClickListener listener) {
            this.negativeButtonText = (String) context
                    .getText(negativeButtonText);
            this.negativeButtonClickListener = listener;
            return this;
        }
 
        /**
         * Set the negative button text and it's listener
         * @param negativeButtonText
         * @param listener
         * @return
         */
        public Builder setNegativeButton(String negativeButtonText,
                DialogInterface.OnClickListener listener) {
            this.negativeButtonText = negativeButtonText;
            this.negativeButtonClickListener = listener;
            return this;
        }
 
        /**
         * Create the custom dialog
         */
        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, null);
            dialog.addContentView(layout, new LayoutParams(
                    LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT));
            // set the dialog title
            ((TextView) layout.findViewById(R.id.title)).setText(title);
            // set the confirm button
            if (positiveButtonText != null) {
                ((Button) layout.findViewById(R.id.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) {
                                    positiveButtonClickListener.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))
                        .removeAllViews();
                ((LinearLayout) layout.findViewById(R.id.content))
                        .addView(contentView, 
                                new LayoutParams(
                                        LayoutParams.WRAP_CONTENT, 
                                        LayoutParams.WRAP_CONTENT));
            }
            dialog.setContentView(layout);
            return dialog;
        }
 
    }
 
}


Using the Custom Builder
/**
 * Build the desired Dialog
 * CUSTOM or DEFAULT
 */
@Override
public Dialog onCreateDialog(int dialogId) {
    Dialog dialog = null;
    switch (dialogId) {
        case CUSTOM_DIALOG :
            CustomDialog.Builder customBuilder = new
                CustomDialog.Builder(CustomDialogActivity.this);
            customBuilder.setTitle("Custom title")
                .setMessage("Custom body")
                .setNegativeButton("Cancel", 
                        new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int which) {
                        CustomDialogActivity.this
                        .dismissDialog(CUSTOM_DIALOG);
                    }
                })
                .setPositiveButton("Confirm", 
                        new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int which) {
                        dialog.dismiss();
                    }
                });
            dialog = customBuilder.create();
            break;
        case DEFAULT_DIALOG :
            AlertDialog.Builder alertBuilder = new
                AlertDialog.Builder(CustomDialogActivity.this);
            alertBuilder.setTitle("Default title")
                .setMessage("Default body")
                .setNegativeButton("Cancel", 
                		new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int which) {
                        dialog.dismiss();
                    }
                })
                .setPositiveButton("Confirm", 
                		new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int which) {
                        CustomDialogActivity.this
                        .dismissDialog(DEFAULT_DIALOG);
                    }
                });
            dialog = alertBuilder.create();
            break;
    }
    return dialog;
}
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