andorid 菜单 进度条

<?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">

<Button
android: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"/>

<ProgressBar
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/pb_1"/>

<ProgressBar
android: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"/>
<!--progress  当前进度-->
<ProgressBar
android:layout_width="wrap_content"
android:layout_height="wrap_content"
style="@android:style/Widget.ProgressBar.Small"/>
<ProgressBar
android:layout_width="wrap_content"
android:layout_height="wrap_content"
style="@android:style/Widget.ProgressBar.Large"/>
<ProgressBar
android:layout_width="wrap_content"
android:layout_height="wrap_content"
style="@android:style/Widget.ProgressBar.Inverse"/>
<ProgressBar
android:layout_width="wrap_content"
android:layout_height="wrap_content"
style="@android:style/Widget.ProgressBar.Large.Inverse"/>

<SeekBar
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:max="100"
android:progress="20"
android:secondaryProgress="40"
android:id="@+id/sb_1"/>
<RatingBar
android: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-->

</LinearLayout>

package com.hanqi.application3;

import android.app.Activity;
import android.os.Bundle;
import android.view.ContextMenu;
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.ProgressBar;
import android.widget.SeekBar;
import android.widget.Toast;

public class UIActivity2 extends Activity {

@Override
protected 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
//final
final 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
@Override
public void onStartTrackingTouch(SeekBar seekBar) {

}
//结束拖动
@Override
public 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);
}

}
});
}

@Override
public 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);
}

@Override
public 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);
}

@Override
public 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id
switch (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);
}
}