记录一次android测试实例

记录一次android测试实例

/**
 * 测试进度条
 */
public class progresscomponentactivity extends activity {
	private linearlayout ll_progress_loading;
	private progressbar pd_progress_loading;
	private seekbar sb_progress_loading;
	private onseekbarchangelistener onseekbarchangelistener = new onseekbarchangelistener() {
		//离开滑杆
		@override
		public void onstoptrackingtouch(seekbar seekbar) {
			log.e("tag", "离开滑杆");
			//1.得到seekbar的进度
			int progress = sb_progress_loading.getprogress();
			//2.设置为progressbar的进度
			pd_progress_loading.setprogress(progress);
			//3.判断是否达到最大值
			if (progress == sb_progress_loading.getmax()) {
				//如果达到最大值,设置圆形进度条不可见
				ll_progress_loading.setvisibility(view.invisible);//可见占用空间
//				ll_progress_loading.setvisibility(view.gone);//不可见占用空间
			}else{
				//如果没有达到的话,设置圆形进度条显示
				ll_progress_loading.setvisibility(view.visible);
			}
		}
		
		@override
		public void onstarttrackingtouch(seekbar seekbar) {
			log.e("tag", "按下滑杆");
		}
		
		@override
		public void onprogresschanged(seekbar seekbar, int progress,
				boolean fromuser) {
			log.e("tag", "滑杆移动");
		}
	};


	@override
	protected void oncreate(bundle savedinstancestate) {
		super.oncreate(savedinstancestate);
		setcontentview(r.layout.activity_progress_component);
		
		ll_progress_loading = (linearlayout) findviewbyid(r.id.ll_progress_loading);
		pd_progress_loading = (progressbar) findviewbyid(r.id.pd_progress_loading);
		sb_progress_loading = (seekbar) findviewbyid(r.id.sb_progress_loading);
		
		//给seekber设置监听
		sb_progress_loading.setonseekbarchangelistener(onseekbarchangelistener );
	}

}





activity_progress_component.xml

<linearlayout xmlns:android="https://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >


    <linearlayout
        android:id="@+id/ll_progress_loading"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" 
        android:gravity="center">


        <progressbar
            style="?android:attr/progressbarstylelarge"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content" />


        <textview
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="正在加载中... ..." />


    </linearlayout>


    <progressbar
        android:id="@+id/pd_progress_loading"
        style="?android:attr/progressbarstylehorizontal"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" 
        android:progress="30"/>


    <seekbar
        android:id="@+id/sb_progress_loading"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />


    <textview
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="功能需求:\n1.滑动下面的滑杆后,上面的进度条会同步
        \n2.滑动到最大值时,最上面的进度条消失" />



</linearlayout>



//菜单menu

menucomponentactivity.java

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.view;
import android.view.contextmenu.contextmenuinfo;
import android.widget.button;
import android.widget.toast;
/**
 * 测试菜单menu
 * optionmenu
 * 1.如何触发menu的显示?
 *点击menu键
 *2.如何向menu中添加menuitem?
 *重写oncreateoptionsmenu方法
 * 1.menu.add()
 * 2.菜单文件
 *3.选择某个menuitem时如何响应?
 * 重写onoptionsitemselected方法
 *
 *
 *
 * 1.如何触发menu的显示?
 *长按某个视图,并view.setoncreatecontextlistener(this)
 *2.如何向menu中添加menuitem?
 *重写oncreatecontextmenu()方法,用menu.add()添加,(菜单文件方式也可以)
 *3.选择某个menuitem时如何响应?
 *重写oncontextitemselected方法,根据itemid响应
 */
public class menucomponentactivity extends activity {
private button btn_menu_cm;


@override
protected void oncreate(bundle savedinstancestate) {
super.oncreate(savedinstancestate);
setcontentview(r.layout.activity_menu_component);

btn_menu_cm = (button) findviewbyid(r.id.btn_menu_cm);
//设置创建上下文菜单的监听
btn_menu_cm.setoncreatecontextmenulistener(this);
}
//用来显示选型菜单的方法,向menu中添加item
@override
public boolean oncreateoptionsmenu(menu menu) {
//纯编码方式
menu.add(0, 2, 0, "添加");
menu.add(0, 3, 0, "删除");
return super.oncreateoptionsmenu(menu);
}


// @override
// public boolean oncreateoptionsmenu(menu menu) {
// //菜单文件的方式
// //1.得到菜单加载器对象
// menuinflater menuinflater = getmenuinflater();
// //2.加载菜单文件
// menuinflater.inflate(r.menu.option_menu, menu);
// return super.oncreateoptionsmenu(menu);
// }


@override
public boolean onoptionsitemselected(menuitem item) {
switch (item.getitemid()) {
case 2:
// case r.id.add:
toast.maketext(this, "添加", toast.length_short).show();
break;
case 3:
// case r.id.add:
toast.maketext(this, "删除", toast.length_short).show();
break;
}
return super.onoptionsitemselected(item);
}


@override
public void oncreatecontextmenu(contextmenu menu, view v,
contextmenuinfo menuinfo) {
super.oncreatecontextmenu(menu, v, menuinfo);
//添加菜单项
menu.add(0,1,0,"添加");
menu.add(0,2,0,"删除");
}

@override
public boolean oncontextitemselected(menuitem item) {
switch (item.getitemid()) {
case 1:
toast.maketext(this, "添加", toast.length_short).show();
break;
case 2:
toast.maketext(this, "删除", toast.length_short).show();
break;
}
return super.oncontextitemselected(item);
}
}






activity_menu_component.xml

<linearlayout xmlns:android="https://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >


    <button
        android:id="@+id/btn_menu_cm"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="@string/menu_btn" />


    <textview
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="1.点击menu显示选项菜单\n2.长按按钮显示上下文菜单" 
        android:textsize="30sp"/>



</linearlayout>



菜单文件方式

option_menu.xml

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="https://schemas.android.com/apk/res/android" >


    <item
        android:id="@+id/add"
        android:title="添加2"/>
    <item
        android:id="@+id/del"
        android:title="删除2"/>


</menu>