Android AlertDialog

最新推荐文章于 2025-08-08 23:51:41 发布
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本文详细介绍了如何使用 Android 中的 AlertDialog 类来创建多种类型的对话框，包括带有不同按钮配置的简单消息对话框、列表选择对话框、进度条对话框、单选或多选对话框等，并展示了如何自定义布局。
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[align=left]这个AlertDialog和Preference的区别是：一个是临时的一个是文件保存都有简介直接实现DialogInterface接口
@Override
    protected Dialog onCreateDialog(int id) {
    	super.onCreateDialog(id);
        switch (id) {
        case DIALOG_YES_NO_MESSAGE:
            return new AlertDialog.Builder(AlertDialogSamples.this)
                .setIcon(R.drawable.alert_dialog_icon)
                .setTitle(R.string.alert_dialog_two_buttons_title)
                .setPositiveButton(R.string.alert_dialog_ok, new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int whichButton) {
                        /* User clicked OK so do some stuff */
                    }
                })
                .setNegativeButton(R.string.alert_dialog_cancel, new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int whichButton) {
                        /* User clicked Cancel so do some stuff */
                    }
                })
                .create();
        case DIALOG_YES_NO_LONG_MESSAGE:
            return new AlertDialog.Builder(AlertDialogSamples.this)
                .setIcon(R.drawable.alert_dialog_icon)
                .setTitle(R.string.alert_dialog_two_buttons_msg)
                .setMessage(R.string.alert_dialog_two_buttons2_msg)
                .setPositiveButton(R.string.alert_dialog_ok, new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int whichButton) {
                        /* User clicked OK so do some stuff */
                    }
                })
                .setNeutralButton(R.string.alert_dialog_something, new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int whichButton) {
                        /* User clicked Something so do some stuff */
                    }
                })
                .setNegativeButton(R.string.alert_dialog_cancel, new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int whichButton) {

                        /* User clicked Cancel so do some stuff */
                    }
                })
                .create();
        case DIALOG_LIST:
            return new AlertDialog.Builder(AlertDialogSamples.this)
                .setTitle(R.string.select_dialog)
                .setItems(R.array.select_dialog_items, new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int which) {
                        /* User clicked so do some stuff */
                        String[] items = getResources().getStringArray(R.array.select_dialog_items);
                        /*new AlertDialog.Builder(AlertDialogSamples.this)
                                .setMessage("You selected: " + which + " , " + items[which])
                                .show();*/
                        Toast.makeText(AlertDialogSamples.this, "You selected: " + which + " , " + items[which], Toast.LENGTH_LONG).show();
                    }
                })
                .create();
        case DIALOG_PROGRESS:
            mProgressDialog = new ProgressDialog(AlertDialogSamples.this);
            mProgressDialog.setIcon(R.drawable.alert_dialog_icon);
            mProgressDialog.setTitle(R.string.select_dialog);
            mProgressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
            mProgressDialog.setMax(MAX_PROGRESS);
            mProgressDialog.setButton(DialogInterface.BUTTON_POSITIVE, getText(R.string.alert_dialog_hide), new DialogInterface.OnClickListener() {
                public void onClick(DialogInterface dialog, int whichButton) {
                	Toast.makeText(AlertDialogSamples.this, "1You click " + whichButton + "--", Toast.LENGTH_LONG).show();
                }
            });
            mProgressDialog.setButton(DialogInterface.BUTTON_NEGATIVE, getText(R.string.alert_dialog_hide), new DialogInterface.OnClickListener() {
            	public void onClick(DialogInterface dialog, int whichButton) {
            		Toast.makeText(AlertDialogSamples.this, "2You click " + whichButton + "--", Toast.LENGTH_LONG).show();
            	}
            });
            return mProgressDialog;
        case DIALOG_SINGLE_CHOICE:
            return new AlertDialog.Builder(AlertDialogSamples.this)
                .setIcon(R.drawable.alert_dialog_icon)
                .setTitle(R.string.alert_dialog_single_choice)
                .setSingleChoiceItems(R.array.select_dialog_items2, 0, new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int whichButton) {
                    	String[] items = getResources().getStringArray(R.array.select_dialog_items2);
                    	Toast.makeText(AlertDialogSamples.this, "SCI---You selected: " + whichButton + " , " + items[whichButton], Toast.LENGTH_LONG).show();
                    }
                })
                .setPositiveButton(R.string.alert_dialog_ok, new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int whichButton) {
                    	Toast.makeText(AlertDialogSamples.this, "P---You selected: " + whichButton + " , ", Toast.LENGTH_LONG).show();
                    }
                })
                .setNegativeButton(R.string.alert_dialog_cancel, new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int whichButton) {
                    	Toast.makeText(AlertDialogSamples.this, "N---You selected: " + whichButton + " , ", Toast.LENGTH_LONG).show();
                    }
                })
               .create();
        case DIALOG_MULTIPLE_CHOICE:
            return new AlertDialog.Builder(AlertDialogSamples.this)
                .setIcon(R.drawable.ic_popup_reminder)
                .setTitle(R.string.alert_dialog_multi_choice)
                .setMultiChoiceItems(R.array.select_dialog_items3,
                        new boolean[]{false, true, false, true, false, false, false},
                        new DialogInterface.OnMultiChoiceClickListener() {
                            public void onClick(DialogInterface dialog, int whichButton,boolean isChecked) {
                            	String[] items = getResources().getStringArray(R.array.select_dialog_items3);
                            	Toast.makeText(AlertDialogSamples.this, "SCI---You selected: " + whichButton + " , " + items[whichButton], Toast.LENGTH_LONG).show();
                            }
                        })
                .setPositiveButton(R.string.alert_dialog_ok, new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int whichButton) { //         here ------------------------111一111-----------------------
//         here ------------------------111一111-----------------------
//         here ------------------------111一111-----------------------
//         here ------------------------111一111-----------------------
}
                })
                .setNegativeButton(R.string.alert_dialog_cancel, new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int whichButton) {
                        /* User clicked No so do some stuff */
                    }
                })
               .create();
            case DIALOG_MULTIPLE_CHOICE_CURSOR:
                String[] projection = new String[] {
                		ContactsContract.Contacts._ID,
                		ContactsContract.Contacts.DISPLAY_NAME,
                		ContactsContract.Contacts.SEND_TO_VOICEMAIL
                };
                Cursor cursor = managedQuery(ContactsContract.Contacts.CONTENT_URI, projection, null, null, null);
                return new AlertDialog.Builder(AlertDialogSamples.this)
                    .setIcon(R.drawable.ic_popup_reminder)
                    .setTitle(R.string.alert_dialog_multi_choice_cursor)
                    .setMultiChoiceItems(cursor,
                    		ContactsContract.Contacts.SEND_TO_VOICEMAIL,
                    		ContactsContract.Contacts.DISPLAY_NAME,
                            new DialogInterface.OnMultiChoiceClickListener() {
                                public void onClick(DialogInterface dialog, int whichButton,boolean isChecked) {
                                    Toast.makeText(AlertDialogSamples.this,"Readonly Demo Only - Data will not be updated",Toast.LENGTH_SHORT).show();
                                }
                            })
                   .create();
        case DIALOG_TEXT_ENTRY:
            // This example shows how to add a custom layout to an AlertDialog
            LayoutInflater factory = LayoutInflater.from(this);
            final View textEntryView = factory.inflate(R.layout.alert_dialog_text_entry, null);
            return new AlertDialog.Builder(AlertDialogSamples.this)
                .setIcon(R.drawable.alert_dialog_icon)
                .setTitle(R.string.alert_dialog_text_entry)
                .setView(textEntryView)
                .setPositiveButton(R.string.alert_dialog_ok, new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int whichButton) {
                        /* User clicked OK so do some stuff */
                    }
                })
                .setNegativeButton(R.string.alert_dialog_cancel, new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int whichButton) {
                        /* User clicked cancel so do some stuff */
                    }
                })
                .create();
        }
        return null;
    }