dialog
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1. AlertDialog 警告对话框(提示对话框)
AlertDialog ——简单对话框:
1、类结构:
java.lang.Object↳ android.app.Dialog↳ android.app.AlertDialog
2、创建AlertDialog对话框的步骤:
创建AlertDialog.Builder对象,该对象能创建AlertDialog;
调用Builder对象的方法设置图标、标题、内容、按钮等;
setTitle();//:为对话框设置标题setIcon ();//:设置图标setMessage ();//:设置要显示的信息setNegativeButton ();//:设置取消按钮setPositiveButton ();//:设置确定按钮setNeutralButton ();//:设置中立按钮
调用Builder对象的create()方法创建AlertDialog对话框;
调用AlertDialog的show()方法来显示对话框。
3、核心代码:
Builder builder = new AlertDialog.Builder(MainActivity.this);builder.setIcon(R.drawable.ic_launcher);builder.setTitle("提示");builder.setMessage("确认退出吗?");builder.setPositiveButton("确认", new OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) { text_main_info.setText("您点击了:" + which);}});builder.setNegativeButton("取消", new OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) { text_main_info.setText("您点击了:" + which);}});builder.setNeutralButton("中立", new OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) { text_main_info.setText("您点击了:" + which);}});builder.create().show();
2. ProgressDialog 进度对话框
ProgressDialog——进度对话框:
1、类结构:
java.lang.Object↳ android.app.Dialog↳ android.app.AlertDialog↳ android.app.ProgressDialog
2、创建 ProgressDialog 对话框的步骤:
实例化ProgressDialog,创建出ProgressDialog对象;
调用该对象的方法设置图标、标题、内容、按钮等;调用 ProgressDialog 对象的show()方法显示出 ProgressDialog 对话框。
3、核心代码:
3.1、圆形转动的进度条:
final ProgressDialog dialog = new ProgressDialog(this); dialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);// 设置进度条的形式为圆形转动的进度条 dialog.setCancelable(true);// 设置是否可以通过点击Back键取消 dialog.setCanceledOnTouchOutside(false);// 设置在点击Dialog外是否取消Dialog进度条 dialog.setIcon(R.drawable.ic_launcher);// // 设置提示的title的图标,默认是没有的,如果没有设置title的话只设置Icon是不会显示图标的 dialog.setTitle("提示"); // dismiss监听 dialog.setOnDismissListener(new DialogInterface.OnDismissListener() { @Override public void onDismiss(DialogInterface dialog) { } }); // 监听Key事件被传递给dialog dialog.setOnKeyListener(new DialogInterface.OnKeyListener() { @Override public boolean onKey(DialogInterface dialog, int keyCode, KeyEvent event) { return false; } }); // 监听cancel事件 dialog.setOnCancelListener(new DialogInterface.OnCancelListener() { @Override public void onCancel(DialogInterface dialog) { } }); //设置可点击的按钮,最多有三个(默认情况下) dialog.setButton(DialogInterface.BUTTON_POSITIVE, "确定", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { } }); dialog.setButton(DialogInterface.BUTTON_NEGATIVE, "取消", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { } }); dialog.setButton(DialogInterface.BUTTON_NEUTRAL, "中立", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { } }); dialog.setMessage("这是一个圆形进度条"); dialog.show(); new Thread(new Runnable() { @Override public void run() { try { Thread.sleep(5000); // cancel和dismiss方法本质都是一样的,都是从屏幕中删除Dialog,唯一的区别是 // 调用cancel方法会回调DialogInterface.OnCancelListener如果注册的话,dismiss方法不会回掉 dialog.cancel(); // dialog.dismiss(); } catch (InterruptedException e) { e.printStackTrace(); } } }).start();
3.2、水平显示的进度条:
// 进度条还有二级进度条的那种形式,这里就不演示了 final ProgressDialog dialog = new ProgressDialog(this); dialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);// 设置水平进度条 dialog.setCancelable(true);// 设置是否可以通过点击Back键取消 dialog.setCanceledOnTouchOutside(false);// 设置在点击Dialog外是否取消Dialog进度条 dialog.setIcon(R.drawable.ic_launcher);// 设置提示的title的图标,默认是没有的 dialog.setTitle("提示"); dialog.setMax(100); dialog.setButton(DialogInterface.BUTTON_POSITIVE, "确定", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { } }); dialog.setButton(DialogInterface.BUTTON_NEGATIVE, "取消", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { } }); dialog.setButton(DialogInterface.BUTTON_NEUTRAL, "中立", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { } }); dialog.setMessage("这是一个水平进度条"); dialog.show(); new Thread(new Runnable() { @Override public void run() { int i = 0; while (i < 100) { try { Thread.sleep(200); //progressDialog.setProgress(i); // 更新进度条的进度,可以在子线程中更新进度条进度 dialog.incrementProgressBy(1); // dialog.incrementSecondaryProgressBy(10)//二级进度条更新方式 i++; } catch (Exception e) { } } // 在进度条走完时删除Dialog dialog.dismiss();// // 调用cancel方法会回调DialogInterface.OnCancelListener,dismiss不会回调 } }).start();
3. DatePickerDialog 日期选择对话框
创建 DatePickerDialog 对话框的步骤:
1、实例化 DatePickerDialog ,创建出DatePickerDialog 对象;
2、调用 DatePickerDialog 对象的show()方法显示出 DatePickerDialog 对话框;
3、绑定监听器:OnDateSetListener().
核心代码:
Calendar calendar = Calendar.getInstance();DatePickerDialog datePickerDialog = new DatePickerDialog(MainActivity2.this, new DatePickerDialog.OnDateSetListener() { @Override public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) { Toast.makeText(MainActivity2.this, "您选择了:" + year + "-" + (monthOfYear + 1) + "-" + dayOfMonth, Toast.LENGTH_SHORT).show(); } }, calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH), calendar.get(Calendar.DAY_OF_MONTH));datePickerDialog.setCancelable(true);datePickerDialog.show();
4. TimePickerDialog 时间选择对话框
Calendar calendar = Calendar.getInstance();TimePickerDialog timePickerDialog = new TimePickerDialog(this, new TimePickerDialog.OnTimeSetListener() { @Override public void onTimeSet(TimePicker arg0, int hour, int minute) { Toast.makeText(MainActivity2.this, "您选择了:" + hour + ":" + minute, Toast.LENGTH_SHORT).show(); } }, calendar.get(Calendar.HOUR_OF_DAY), calendar.get(Calendar.MINUTE), true);timePickerDialog.setCancelable(true);timePickerDialog.show();
5. 自定义对话框(登录对话框、关于对话框)
AlertDialog——自定义对话框:
- 自定义布局文件;
- 使用LayoutInflater 的 inflater()方法填充自定义的布局文件,返回view对象。用该对象的findViewById()方法加载自定义布局上所有控
件; - 调用Builder对象的setView()方法加载view对象;
- 调用Builder对象的create()方法创建AlertDialog对话框;
- 调用AlertDialog的show()方法来显示对话框。
3、核心代码:
【备注:】采用LayoutInflater去填充布局,返回view对象。
AlertDialog.Builder customizeDialog = new AlertDialog.Builder(MainActivity2.this);final View dialogView = LayoutInflater.from(MainActivity2.this).inflate(R.layout.dialog_customize, null);customizeDialog.setView(dialogView); customizeDialog.setTitle("我是一个自定义Dialog");customizeDialog.setPositiveButton("确定", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { EditText edit_text = (EditText) dialogView.findViewById(R.id.edit_text); Toast.makeText(MainActivity2.this, edit_text.getText().toString(), Toast.LENGTH_SHORT).show(); } });customizeDialog.show();
6. 列表对话框
创建列表AlertDialog对话框的步骤:
1. 创建AlertDialog.Builder对象,该对象能创建AlertDialog;
2. 调用Builder对象的方法设置图标、标题、内容、按钮等;
setTitle():为对话框设置标题
setIcon ():设置图标
setMessage ():设置要显示的信息
setNegativeButton ():设置取消按钮
setPositiveButton ():设置确定按钮
setNeutralButton ():设置中立按钮
setItems ():为对话框添加列表项
setSingleChoiceItems ():为对话框添加单选列表项
setMultiChoiceItems ():为对话框添加多选列表项
setAdapter ():为对话框添加带图标的列表项
3. 调用Builder对象的create()方法创建AlertDialog对话框;
4. 调用AlertDialog的show()方法来显示对话框。
3、核心代码:
【备注:使用setItems ()、setSingleChoiceItems ()、setMultiChoiceItems () 、setAdapter()能得到不同的结果。】
普通列表对话框
A. 普通列表
//dialog参数设置 AlertDialog.Builder builder = new AlertDialog.Builder(this); //先得到构造器 builder.setTitle("提示"); //设置标题 //builder.setMessage("是否确认退出?"); //设置内容 builder.setIcon(R.mipmap.ic_launcher);//设置图标,图片id即可 //设置列表显示,注意设置了列表显示就不要设置builder.setMessage()了,否则列表不起作用。 final String items[] = {"张三", "李四", "王五"}; builder.setItems(items, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { switch (which) { case 0: break; case 1: break; case 2: break; default: break; } dialog.dismiss(); Toast.makeText(MainActivity1.this, items[which], Toast.LENGTH_SHORT).show(); } }); builder.setPositiveButton("确定", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { dialog.dismiss(); Toast.makeText(MainActivity1.this, "确定", Toast.LENGTH_SHORT).show(); } }); builder.create().show();
B.单选列表对话框
final String items[] = {"男", "女"}; AlertDialog.Builder builder = new AlertDialog.Builder(this); //先得到构造器 builder.setTitle("提示"); //设置标题 builder.setIcon(R.mipmap.ic_launcher);//设置图标,图片id即可 builder.setSingleChoiceItems(items, 0, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { //dialog.dismiss(); Toast.makeText(MainActivity1.this, items[which], Toast.LENGTH_SHORT).show(); } }); builder.setPositiveButton("确定", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { dialog.dismiss(); Toast.makeText(MainActivity1.this, "确定", Toast.LENGTH_SHORT).show(); } }); builder.create().show();
C. 多选列表
AlertDialog.Builder builder = new AlertDialog.Builder(this); //先得到构造器 builder.setTitle("提示"); //设置标题 builder.setIcon(R.mipmap.ic_launcher);//设置图标,图片id即可 final String items[] = {"篮球", "足球", "排球"}; final boolean selected[] = {true, false, true}; builder.setMultiChoiceItems(items, selected, new DialogInterface.OnMultiChoiceClickListener() { @Override public void onClick(DialogInterface dialog, int which, boolean isChecked) { // dialog.dismiss(); Toast.makeText(MainActivity1.this, items[which] + isChecked, Toast.LENGTH_SHORT).show(); } }); builder.setPositiveButton("确定", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { dialog.dismiss(); Toast.makeText(MainActivity1.this, "确定", Toast.LENGTH_SHORT).show(); //android会自动根据你选择的改变selected数组的值。 for (int i = 0; i < selected.length; i++) { Log.e("hongliang", "" + selected[i]); } } }); builder.create().show();
D、自定义适配器对话框
AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setTitle("设置"); builder.setIcon(R.drawable.ic_launcher); String[] arrStrings = {"系统设置", "WIFI设置", "网络设置", "声音设置", "日期设置"}; int[] imgids = {R.drawable.img01, R.drawable.img02, R.drawable.img03, R.drawable.img04, R.drawable.img05}; List<Map<String, Object>> data = new ArrayList<Map<String, Object>>(); for (int i = 0; i < imgids.length; i++) { Map<String, Object> map = new HashMap<String, Object>(); map.put("img", imgids[i]); map.put("settings", arrStrings[i]); //img和settings为自定义名字 data.add(map); } SimpleAdapter adapter = new SimpleAdapter(this, //上下文 data, //list<map<.>数据源 R.layout.dialog_item, //子布局文件 new String[]{"img", "settings"}, //from从哪里拿数据 new int[]{R.id.imageView_item_dialog_icon, R.id.text_item_dialog_setting}); //to把数据放哪里 builder.setAdapter(adapter, new OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { Intent intent = new Intent(); switch (which) { case 0: intent.setAction(Settings.ACTION_SETTINGS); break; case 1: intent.setAction(Settings.ACTION_WIFI_SETTINGS); break; case 2: intent.setAction(Settings.ACTION_NETWORK_OPERATOR_SETTINGS); break; case 3: intent.setAction(Settings.ACTION_SOUND_SETTINGS); break; case 4: intent.setAction(Settings.ACTION_DATE_SETTINGS); break; } startActivity(intent); } }); builder.show();
参考链接:
ProgressDialog使用总结
android 8种对话框(Dialog)使用方法汇总
Android 对话框(Dialog)大全 建立你自己的对话框
Android UI系列—–时间、日期、Toasts和进度条Dialog
备注:图片来源网络,仅供参考。
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