三支一扶试题,人民公仆伴奏,链接交换平台
设置对话框的标题内容等
//创建对话框,使用对话框构建器alertdialog.builder alertdialog.builder builder = new alertdialog.builder(mainactivity.this); //设置标题 builder.settitle("标题"); //设置对话框的图标 builder.seticon(r.drawable.header); //设置内容 builder.setmessage("内容");
设置确定取消按钮
//设置确定按钮 builder.setpositivebutton("确定", new dialoginterface.onclicklistener() { @override public void onclick(dialoginterface dialog, int which) { // todo auto-generated method stub } }); //设置取消按钮 builder.setnegativebutton("取消", new dialoginterface.onclicklistener() { @override public void onclick(dialoginterface dialog, int which) { // todo auto-generated method stub } });
设置对话框显示与隐藏
dialog = builder.create(); //显示对话框 dialog.show(); //隐藏对话框 dialog.dismiss();
设置点击按钮后不关闭对话框
field field = dialog.getclass().getsuperclass() .getdeclaredfield("mshowing"); field.setaccessible(true); //设置dialog显示/不显示 field.set(dialog, true/false);
//不能设置内容,否则单选效果无法展示 //builder.setmessage("内容"); //设置单选按钮 string items1[] = new string[] { "魏", "蜀", "吴" }; builder.setsinglechoiceitems(items1, 1, new dialoginterface.onclicklistener() { @override public void onclick(dialoginterface dialog, int which) { // todo auto-generated method stub toast.maketext(main3activity.this,which+"",toast.length_long).show(); } });
string item_id2[] = new string[]{"魏", "蜀", "吴"}; boolean checkeditems[] = {true, false, true}; builder.setmultichoiceitems(item_id2, checkeditems, new dialoginterface.onmultichoiceclicklistener() { @override public void onclick(dialoginterface dialog, int which, boolean ischecked) { // todo auto-generated method stub } });
**在android8.0以后使用progressbar代替progressdialog**
view view = view.inflate(main3activity.this, r.layout.item_dialog, null); final alertdialog.builder dialog = new alertdialog.builder(main3activity.this); dialog.settitle("用户登录:") .seticon(r.mipmap.ic_launcher) .setview(view) .setpositivebutton("ok", new dialoginterface.onclicklistener() { @override public void onclick(dialoginterface dialoginterface, int i) { toast.maketext(getapplicationcontext(), "登录成功", toast.length_short).show(); } })
view view = view.inflate(main3activity.this, r.layout.item_dialog, null); dialog dialog = new dialog(main3activity.this); //r.layout 后面跟的文件就是加载的自定义布局 dialog.setcontentview(view); window mwindow = dialog.getwindow(); mwindow.setgravity(gravity.left + gravity.top); windowmanager.layoutparams lp = mwindow.getattributes(); lp.x = 0; lp.y = 0; lp.width = viewgroup.layoutparams.match_parent; lp.height = viewgroup.layoutparams.match_parent; mwindow.setattributes(lp); dialog.create(); dialog.show();
//日期对话框 datepickerdialog dialog_date = new datepickerdialog(mainactivity.this); dialog_date.settitle("选择日期:"); dialog_date.seticon(r.mipmap.ic_launcher); dialog_date.setondatesetlistener(new datepickerdialog.ondatesetlistener() { @override public void ondateset(datepicker datepicker, int i, int i1, int i2) { toast.maketext(getapplicationcontext(), i + " " + i1 + "" + i2, toast.length_short).show(); } }); dialog_date.create(); dialog_date.show();
//时间对话框(时。分) timepickerdialog dialog_date = new timepickerdialog(mainactivity.this, new timepickerdialog.ontimesetlistener() { @override public void ontimeset(timepicker timepicker, int i, int i1) { toast.maketext(getapplicationcontext(), i + " " + i1, toast.length_short).show(); } }, 18, 06, true); dialog_date.create(); dialog_date.show();
布局和代码中使用
1,布局中:
2,代码中:
//设置年月日监听器 dp.init(dp.getyear(), dp.getmonth(), dp.getdayofmonth(), new datepicker.ondatechangedlistener() { @override public void ondatechanged(datepicker datepicker, int i, int i1, int i2) { tv.settext("当前时间:"+ dp.getyear()+"-"+dp.getmonth()+"-"+dp.getdayofmonth()+" "+tp.gethour()+":"+tp.getminute()); } }); //设置时分监听器 tp.setontimechangedlistener(new timepicker.ontimechangedlistener() { @override public void ontimechanged(timepicker timepicker, int i, int i1) { tv.settext("当前时间:"+ dp.getyear()+"-"+dp.getmonth()+"-"+dp.getdayofmonth()+" "+tp.gethour()+":"+tp.getminute()); } });
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