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Java 如何从关联菜单打开图像视图?_Java_Android_Eclipse_Image_Menu - Fatal编程技术网

Java 如何从关联菜单打开图像视图?

Java 如何从关联菜单打开图像视图?,java,android,eclipse,image,menu,Java,Android,Eclipse,Image,Menu,我正试图从上下文菜单中打开一个图像视图,但是,我不知道如何做到这一点。单击关联菜单中的项目时,我需要显示一个图像视图。我怎样才能做到这一点?我是否需要自定义菜单,或者是否可以从关联菜单打开图像视图?有什么想法吗?先谢谢你。这是我的密码 package com.carouseldemo.main; import android.app.Activity; import android.media.MediaPlayer; import android.os.Bundle; import andr

我正试图从上下文菜单中打开一个图像视图,但是,我不知道如何做到这一点。单击关联菜单中的项目时,我需要显示一个图像视图。我怎样才能做到这一点?我是否需要自定义菜单,或者是否可以从关联菜单打开图像视图?有什么想法吗?先谢谢你。这是我的密码

package com.carouseldemo.main;

import android.app.Activity;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.Menu;

import android.view.MenuInflater;
import android.view.View;
import android.widget.TextView;
import android.widget.Toast;

import com.carouseldemo.controls.Carousel;
import com.carouseldemo.controls.CarouselAdapter;
import com.carouseldemo.controls.CarouselAdapter.AdapterContextMenuInfo;
import com.carouseldemo.controls.CarouselAdapter.OnItemClickListener;
import com.carouseldemo.controls.CarouselAdapter.OnItemSelectedListener;
import com.carouseldemo.controls.CarouselItem;

public class MainActivity extends Activity {

@Override
public boolean onCreateOptionsMenu(Menu menu) {
super.onCreateOptionsMenu(menu);
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.testmenu1, menu);
// your code...
return true;} // true if you want the menu to be displayed; false otherwise
@Override
public void onCreateContextMenu(ContextMenu menu, View v,
        ContextMenuInfo menuInfo) {
    // Just prepare ourself for unexpected arguments...

    if (menuInfo == null) {
        return;
    }
    if (!(menuInfo instanceof AdapterContextMenuInfo)) {
        return;
    }

    AdapterContextMenuInfo mi = (AdapterContextMenuInfo) menuInfo;

    switch (mi.position) {
    case 0:

        menu.add("Product 1");

        menu.add("Product 1");
        menu.add("Product 1");
        menu.add("Product 1");
        menu.add("Product 1");
        menu.add("Product 1");
        menu.add("Product 1");
        menu.add("Product 1");
        menu.add("Product 1");
        menu.add("Product 1");
        menu.add("Product 1");
        menu.add("Product 1");
        menu.add("Product 1");
        menu.add("Product 1");
        break;
    case 1:
        menu.add("Product 1");
        menu.add("Product 1");
        menu.add("Product 1");
        menu.add("Product 1");
        menu.add("Product 1");
        break;
    case 2:
        menu.add("Product 1");
        menu.add("Product 1");
        menu.add("Product 1");
        menu.add("Product 1");
        menu.add("Product 1");
        break;
    case 3:
        menu.add("mouse menu");
        menu.add("Product 1");
        menu.add("Product 1");
        menu.add("Product 1");
        menu.add("Product 1");
        break;
    case 4:
        menu.add("panda menu");
        menu.add("Product 1");
        menu.add("Product 1");
        menu.add("Product 1");
        menu.add("Product 1");
        break;
    case 5:
        menu.add("rabbit menu");
        menu.add("Product 1");
        menu.add("Product 1");
        menu.add("Product 1");
        break;
    default:
        break;
    }
    super.onCreateContextMenu(menu, v, menuInfo);
}

/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);

    final Carousel carousel = (Carousel) findViewById(R.id.carousel);
    carousel.setOnItemClickListener(new OnItemClickListener() {

        public void onItemClick(CarouselAdapter<?> parent, View view,
                int position, long id) {
            CarouselItem item = (CarouselItem) parent.getChildAt(position);

            // HERE: Force context menu
            carousel.showContextMenuForChild(item);
            Toast.makeText(
                    MainActivity.this,
                    String.format("%s has been clicked",
                            ((CarouselItem) parent.getChildAt(position))
                                    .getName()), Toast.LENGTH_SHORT).show();







        }

        @Override
        public void onCreateContextMenu(ContextMenu menu, View v,
                ContextMenuInfo menuInfo) {

            // TODO Auto-generated method stub





        }

        @Override
        public boolean onCreateOptionsMenu(Menu menu) {
            // TODO Auto-generated method stub
            return false;
        }});

    carousel.setOnItemSelectedListener(new OnItemSelectedListener() {

        public void onItemSelected(CarouselAdapter<?> parent, View view,
                int position, long id) {

            final TextView txt = (TextView) (findViewById(R.id.selected_item));

            switch (position) {
            case 0:
                txt.setText("The cat (Felis catus), also known as the domestic cat or housecat to distinguish it from other felids and felines, is a small, usually furry, domesticated, carnivorous mammal that is valued by humans for its companionship and for its ability to hunt vermin and household pests. Cats have been associated with humans for at least 9,500 years, and are currently the most popular pet in the world. Owing to their close association with humans, cats are now found almost everywhere in the world.");
                break;
            case 1:
                txt.setText("The hippopotamus (Hippopotamus amphibius), or hippo, from the ancient Greek for \"river horse\" (), is a large, mostly herbivorous mammal in sub-Saharan Africa, and one of only two extant species in the family Hippopotamidae (the other is the Pygmy Hippopotamus.) After the elephant, the hippopotamus is the third largest land mammal and the heaviest extant artiodactyl.");
                break;
            case 2:
                txt.setText("A monkey is a primate, either an Old World monkey or a New World monkey. There are about 260 known living species of monkey. Many are arboreal, although there are species that live primarily on the ground, such as baboons. Monkeys are generally considered to be intelligent. Unlike apes, monkeys usually have tails. Tailless monkeys may be called \"apes\", incorrectly according to modern usage; thus the tailless Barbary macaque is called the \"Barbary ape\".");
                break;
            case 3:
                txt.setText("A mouse (plural: mice) is a small mammal belonging to the order of rodents. The best known mouse species is the common house mouse (Mus musculus). It is also a popular pet. In some places, certain kinds of field mice are also common. This rodent is eaten by large birds such as hawks and eagles. They are known to invade homes for food and occasionally shelter.");
                break;
            case 4:
                txt.setText("The giant panda, or panda (Ailuropoda melanoleuca, literally meaning \"black and white cat-foot\") is a bear native to central-western and south western China.[4] It is easily recognized by its large, distinctive black patches around the eyes, over the ears, and across its round body. Though it belongs to the order Carnivora, the panda's diet is 99% bamboo.");
                break;
            case 5:
                txt.setText("Rabbits (or, colloquially, bunnies) are small mammals in the family Leporidae of the order Lagomorpha, found in several parts of the world. There are eight different genera in the family classified as rabbits, including the European rabbit (Oryctolagus cuniculus), cottontail rabbits (genus Sylvilagus; 13 species), and the Amami rabbit (Pentalagus furnessi, an endangered species on Amami, Japan)");

                break;
            }

        }

        public void onNothingSelected(CarouselAdapter<?> parent) {
        }

    });

    registerForContextMenu(carousel);
}

}
package com.carouseldemo.main;
导入android.app.Activity;
导入android.media.MediaPlayer;
导入android.os.Bundle;
导入android.view.ContextMenu;
导入android.view.ContextMenu.ContextMenuInfo;
导入android.view.Menu;
导入android.view.MenuInflater;
导入android.view.view;
导入android.widget.TextView;
导入android.widget.Toast;
导入com.carouseldemo.controls.Carousel;
导入com.carouseldemo.controls.CarouselAdapter;
导入com.carouseldemo.controls.CarouselAdapter.AdapterContextMenuInfo;
导入com.carouseldemo.controls.CarouselAdapter.OnItemClickListener;
导入com.carouseldemo.controls.CarouselAdapter.OnItemSelectedListener;
导入com.carouseldemo.controls.CarouselItem;
公共类MainActivity扩展了活动{
@凌驾
公共布尔onCreateOptions菜单(菜单){
super.onCreateOptions菜单(菜单);
MenuInflater充气机=getMenuInflater();
充气机。充气(R.menu.testmenu1,菜单);
//你的代码。。。
返回true;}//如果希望显示菜单,则返回true;否则返回false
@凌驾
public void onCreateContextMenu(ContextMenu,视图v,
上下文菜单信息(menuInfo){
//让自己做好准备,迎接意想不到的争论。。。
if(menuInfo==null){
返回;
}
if(!(适配器ContextMenuInfo的menuInfo实例)){
返回;
}
AdapterContextMenuInfo mi=(AdapterContextMenuInfo)菜单信息;
开关(mi位置){
案例0:
菜单。添加(“产品1”);
菜单。添加(“产品1”);
菜单。添加(“产品1”);
菜单。添加(“产品1”);
菜单。添加(“产品1”);
菜单。添加(“产品1”);
菜单。添加(“产品1”);
菜单。添加(“产品1”);
菜单。添加(“产品1”);
菜单。添加(“产品1”);
菜单。添加(“产品1”);
菜单。添加(“产品1”);
菜单。添加(“产品1”);
菜单。添加(“产品1”);
打破
案例1:
菜单。添加(“产品1”);
菜单。添加(“产品1”);
菜单。添加(“产品1”);
菜单。添加(“产品1”);
菜单。添加(“产品1”);
打破
案例2:
菜单。添加(“产品1”);
菜单。添加(“产品1”);
菜单。添加(“产品1”);
菜单。添加(“产品1”);
菜单。添加(“产品1”);
打破
案例3:
菜单。添加(“鼠标菜单”);
菜单。添加(“产品1”);
菜单。添加(“产品1”);
菜单。添加(“产品1”);
菜单。添加(“产品1”);
打破
案例4:
菜单。添加(“熊猫菜单”);
菜单。添加(“产品1”);
菜单。添加(“产品1”);
菜单。添加(“产品1”);
菜单。添加(“产品1”);
打破
案例5:
菜单。添加(“兔子菜单”);
菜单。添加(“产品1”);
菜单。添加(“产品1”);
菜单。添加(“产品1”);
打破
违约:
打破
}
super.onCreateContextMenu(menu,v,menuInfo);
}
/**在首次创建活动时调用*/
@凌驾
创建时的公共void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
最终转盘=(转盘)findViewById(R.id.Carousel);
carousel.setOnItemClickListener(新的OnItemClickListener(){
public void onItemClick(旋转木马父级、视图、,
内部位置,长id){
CarouselItem项=(CarouselItem)parent.getChildAt(位置);
//此处:强制上下文菜单
旋转木马。showContextMenuForChild(项目);
Toast.makeText(
这个,,
String.format(“%s已被单击”,
((CarouselItem)parent.getChildAt(位置))
.getName()),Toast.LENGTH_SHORT.show();
}
@凌驾
public void onCreateContextMenu(ContextMenu,视图v,
上下文菜单信息(menuInfo){
//TODO自动生成的方法存根
}
@凌驾
公共布尔onCreateOptions菜单(菜单){
//TODO自动生成的方法存根
返回false;
}});
carousel.setOnItemSelectedListener(新的OnItemSelectedListener(){
已选择公共空视图(旋转木马父级、视图、,
内部位置,长id){
最终文本视图txt=(文本视图)(findViewById(R.id.selected_项));
开关(位置){
案例0:
txt.setText(“猫(猫科动物)猫科动物,也称为家猫或家猫,以区别于其他猫科动物和猫科动物。猫科动物是一种小型、通常毛茸茸的家养肉食性哺乳动物,因其友好关系以及捕杀害虫和家庭害虫的能力而受到人类的重视。猫与人类交往至少有9500年的历史,目前是最受欢迎的动物世界上最常见的宠物。由于猫与人类的密切联系,现在几乎在世界各地都能找到猫。”);
打破
案例1:
setText(“河马(hippopotamus两栖类),或hippo,源于古希腊语,意为“河马”),是撒哈拉以南非洲的一种大型食草动物,是河马科仅存的两个物种之一(另一个是侏儒河马)河马是仅次于大象的第三大陆地哺乳动物,也是现存最重的偶蹄目动物。”);
打破
案例2:
猴子是一种灵长类动物,可以是旧大陆的猴子,也可以是新大陆的猴子。目前已知的活猴物种大约有260种。许多是树栖的,尽管有一些物种的生活在原始世界