<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"xmlns:tools="http://schemas.android.com/tools"android:layout_width="match_parent"android:layout_height="match_parent"android:paddingBottom="@dimen/activity_vertical_margin"android:paddingLeft="@dimen/activity_horizontal_margin"android:paddingRight="@dimen/activity_horizontal_margin"android:paddingTop="@dimen/activity_vertical_margin"tools:context="com.hanqi.application3.UIActivity2"android:orientation="vertical"><Buttonandroid:layout_width="match_parent"android:layout_height="wrap_content"android:text="长按触发上下文菜单"android:id="@+id/bt_changan"/><ProgressBarandroid:layout_width="wrap_content"android:layout_height="wrap_content"android:id="@+id/pb_1"android:visibility="gone"/><ProgressBarandroid:layout_width="match_parent"android:layout_height="wrap_content"style="?android:attr/progressBarStyleHorizontal"android:max="100"android:progress="50"android:secondaryProgress="70"android:id="@+id/pb_2"android:visibility="gone"/><!--progress  当前进度--><!--<ProgressBarandroid:layout_width="wrap_content"android:layout_height="wrap_content"style="@android:style/Widget.ProgressBar.Small"/><ProgressBarandroid:layout_width="wrap_content"android:layout_height="wrap_content"style="@android:style/Widget.ProgressBar.Large"/><ProgressBarandroid:layout_width="wrap_content"android:layout_height="wrap_content"style="@android:style/Widget.ProgressBar.Inverse"/><ProgressBarandroid:layout_width="wrap_content"android:layout_height="wrap_content"style="@android:style/Widget.ProgressBar.Large.Inverse"/>
--><SeekBarandroid:layout_width="match_parent"android:layout_height="wrap_content"android:max="100"android:progress="20"android:secondaryProgress="40"android:id="@+id/sb_1"/><!--<RatingBarandroid:layout_width="wrap_content"android:layout_height="wrap_content"android:numStars="6"android:rating="3"android:isIndicator="true"/>numStars 设置几颗星isIndicator 是否不准修改--><Buttonandroid:layout_width="match_parent"android:layout_height="wrap_content"android:text="点击触发弹出普通对话框"android:onClick="pt_onClick"/><Buttonandroid:layout_width="match_parent"android:layout_height="wrap_content"android:text="点击触发弹出单选对话框"android:onClick="dx_onClick"/><Buttonandroid:layout_width="match_parent"android:layout_height="wrap_content"android:text="点击触发弹出多选对话框"android:onClick="ddx_onClick"/><Buttonandroid:layout_width="match_parent"android:layout_height="wrap_content"android:text="点击触发弹出自定义对话框"android:onClick="zdy_onClick"/><Buttonandroid:layout_width="match_parent"android:layout_height="wrap_content"android:text="点击触发弹出进度条对话框"android:onClick="jdt_onClick"/><Buttonandroid:layout_width="match_parent"android:layout_height="wrap_content"android:text="点击触发弹出水平进度条对话框"android:onClick="jdt1_onClick"/><Buttonandroid:layout_width="match_parent"android:layout_height="wrap_content"android:text="点击触发日期对话框"android:onClick="rq_onClick"/>ri<Buttonandroid:layout_width="match_parent"android:layout_height="wrap_content"android:text="点击触发时间对话框"android:onClick="sj_onClick"/>
</LinearLayout>

package com.hanqi.application3;import android.app.Activity;
import android.app.AlertDialog;
import android.app.DatePickerDialog;
import android.app.ProgressDialog;
import android.app.TimePickerDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.ContextMenu;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.SubMenu;
import android.view.View;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.EditText;
import android.widget.ProgressBar;
import android.widget.SeekBar;
import android.widget.TimePicker;
import android.widget.Toast;import java.util.Calendar;public class UIActivity2 extends Activity {@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_ui2);Button bt_changan=(Button)findViewById(R.id.bt_changan);// 创建上下文菜单监听bt_changan.setOnCreateContextMenuListener(this);//bt_changan.setOnContextClickListener();创建监听//进度条//finalfinal ProgressBar pb_1 = (ProgressBar)findViewById(R.id.pb_1);final ProgressBar pb_2 = (ProgressBar)findViewById(R.id.pb_2);SeekBar sb_1=(SeekBar)findViewById(R.id.sb_1);sb_1.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {@Override//进度被改变public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {pb_2.setProgress(progress);}//开始拖动
            @Overridepublic void onStartTrackingTouch(SeekBar seekBar) {}//结束拖动
            @Overridepublic void onStopTrackingTouch(SeekBar seekBar) {pb_2.setProgress(seekBar.getProgress());if(seekBar.getProgress() == seekBar.getMax()){//设置不可见INVISIBLE  占有空间，但是隐藏//GONE 直接取消
                    pb_1.setVisibility(View.GONE);}else{//可见VISIBLE
                    pb_1.setVisibility(View.VISIBLE);}}});}@Overridepublic void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {menu.add(0, 1, 0, "添加");menu.add(0, 2, 1, "修改");menu.add(0, 3, 2, "删除");SubMenu m = menu.addSubMenu(0, 4, 3, "子菜单");m.add(0,41,0,"子菜单项1");m.add(0,42,0,"子菜单项2");m.add(0,43,0,"子菜单项3");//        MenuInflater mi = getMenuInflater();
//        mi.inflate(R.menu.mymenu, menu);super.onCreateContextMenu(menu, v, menuInfo);}@Overridepublic boolean onContextItemSelected(MenuItem item) {switch (item.getItemId()){case R.id.it2:Toast.makeText(UIActivity2.this, "触发了添加1功能", Toast.LENGTH_SHORT).show();break;case R.id.it1:Toast.makeText(UIActivity2.this, "触发了删除1功能", Toast.LENGTH_SHORT).show();break;}return super.onContextItemSelected(item);}@Override//重写  创建选项菜单的方法public boolean onCreateOptionsMenu(Menu menu) {//添加菜单项//纯编码模式
//        menu.add(0,1,0,"添加");
//        menu.add(0,2,2,"删除");
//        menu.add(0,3,1,"修改");//加载菜单文件模方式//1.获取一个菜单加载器MenuInflater mi = getMenuInflater();mi.inflate(R.menu.mymenu, menu);return super.onCreateOptionsMenu(menu);}@Overridepublic boolean onOptionsItemSelected(MenuItem item) {//item.getTitle() 加载标题//Toast.makeText(UIActivity2.this, "选中的菜单项是"+item.getTitle(), Toast.LENGTH_SHORT).show();//根据菜单项的不同相应不同的功能//获取Item的idswitch (item.getItemId()){case 1:Toast.makeText(UIActivity2.this, "触发了添加功能", Toast.LENGTH_SHORT).show();break;case 2:Toast.makeText(UIActivity2.this, "触发了删除功能", Toast.LENGTH_SHORT).show();break;case 3:Toast.makeText(UIActivity2.this, "触发了修改功能", Toast.LENGTH_SHORT).show();break;case R.id.it1:Toast.makeText(UIActivity2.this, "触发了添加1功能", Toast.LENGTH_SHORT).show();break;case R.id.it2:Toast.makeText(UIActivity2.this, "触发了删除1功能", Toast.LENGTH_SHORT).show();break;}return super.onOptionsItemSelected(item);}public void pt_onClick(View v){
//        //构建一个普通对话框
//        //对话框的构建器
//        AlertDialog.Builder ab = new AlertDialog.Builder(this);
//        ab.setTitle("数据删除");
//        ab.setMessage("你确定要删除码？");
//        //负面按钮
//        ab.setNeutralButton("取消",null);
//        //正面按钮
//        ab.setPositiveButton("确定", new DialogInterface.OnClickListener() {
//            @Override
//            public void onClick(DialogInterface dialog, int which) {
//                Toast.makeText(UIActivity2.this, "删除成功", Toast.LENGTH_SHORT).show();
//            }
//        });
//
//        ab.show();//方法连调用new AlertDialog.Builder(this).setTitle("确认保存").setMessage("你真的要保存吗？").setNeutralButton("取消",null).setPositiveButton("保存",null).show();}public void dx_onClick(View v){final String[] str_color={"红","绿","黄","蓝"};new AlertDialog.Builder(this).setTitle("请选择颜色").setSingleChoiceItems(str_color, 0, new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {Toast.makeText(UIActivity2.this, "选中了"+str_color[which], Toast.LENGTH_SHORT).show();//移除//dialog.dismiss();
                    }}).setNeutralButton("确定",null).show();}public void ddx_onClick(View v){final String[] str_color={"红","绿","黄","蓝"};final boolean[] bl_xz = {true,false,false,true};new AlertDialog.Builder(this).setTitle("请选择颜色").setMultiChoiceItems(str_color, bl_xz, new DialogInterface.OnMultiChoiceClickListener() {@Override//是否选中isCheckedpublic void onClick(DialogInterface dialog, int which, boolean isChecked) {if (isChecked) {Toast.makeText(UIActivity2.this, str_color + "被选中", Toast.LENGTH_SHORT).show();} else {Toast.makeText(UIActivity2.this, str_color + "取消选中", Toast.LENGTH_SHORT).show();}}}).setNeutralButton("确定", new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {//遍历for (boolean b : bl_xz) {Toast.makeText(UIActivity2.this, "值= " + b, Toast.LENGTH_SHORT).show();}}}).show();}public void zdy_onClick(View v){//1.获取加载器LayoutInflater lif = getLayoutInflater();//2.用加载器加载文件final View v_1 = lif.inflate(R.layout.loginlayout, null);new AlertDialog.Builder(this)//.setView(R.layout.loginlayout)
                .setView(v_1).setNeutralButton("取消", null).setPositiveButton("登陆", new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {AlertDialog al = (AlertDialog) dialog;//处理数据
EditText et_username = (EditText) al.findViewById(R.id.et_username);Toast.makeText(UIActivity2.this, "用户名=" + et_username.getText(), Toast.LENGTH_SHORT).show();}}).show();}public void jdt_onClick(View v){final ProgressDialog pd = new  ProgressDialog(this);pd.setMessage("正在加载，请稍候...");pd.setCanceledOnTouchOutside(false);//     pd.setTitle("进度对话框");
            pd.show();//创建Thread实例重写run(),start()启动多线程//
        new Thread(){@Overridepublic void run() {super.run();try {Thread.sleep(3000);}catch (Exception e){}pd.dismiss();//关闭//子线程不能直接操作主线程UI线程//可以用Thread//runOnUiThreadrunOnUiThread(new Runnable() {@Overridepublic void run() {Toast.makeText(UIActivity2.this, "加载完成...", Toast.LENGTH_SHORT).show();}});}}.start();//多线程
}public void jdt1_onClick(View v){final ProgressDialog pd = new  ProgressDialog(this);pd.setCanceledOnTouchOutside(false);pd.setMessage("正在加载...");pd.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);pd.show();//创建Thread实例，实现Runnable接口 ),start()启动多线程new Thread(new Runnable() {@Overridepublic void run() {for (int i = 0; i <= pd.getMax();i++){try {Thread.sleep(100);}catch (Exception e){}pd.setProgress(i);}}}).start();}public void rq_onClick(View v){//获取当前日期//单例模式,设计模式的一种Calendar cc=  Calendar.getInstance();DatePickerDialog ddp = new DatePickerDialog(this, new DatePickerDialog.OnDateSetListener() {@Overridepublic void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {Toast.makeText(UIActivity2.this, year+"-"+(monthOfYear+1)+"-"+dayOfMonth, Toast.LENGTH_SHORT).show();}},cc.get(Calendar.YEAR),cc.get(Calendar.MONTH),cc.get(Calendar.DAY_OF_MONTH));ddp.show();}public void sj_onClick(View v){//获取当前日期//单例模式,设计模式的一种Calendar cc=  Calendar.getInstance();TimePickerDialog tpd = new TimePickerDialog(this, new TimePickerDialog.OnTimeSetListener() {@Overridepublic void onTimeSet(TimePicker view, int hourOfDay, int minute) {}},cc.get(Calendar.HOUR),cc.get(Calendar.MINUTE),true);tpd.show();}
}