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android之使用ListView实现多菜单功能
来源:互联网   发布日期:2015-11-27 13:19:25   浏览:3355次  

导读:我们知道很多软件都有设置菜单项如微信墨迹天气等的设置界面。当设置里有很多选项这时我们可以选择使用ListView实现。布局文件如下:[html] <?xml version="1.0" e...

我们知道很多软件都有设置菜单项如微信墨迹天气等的设置界面。当设置里有很多选项这时我们可以选择使用ListView实现。

布局文件如下:

[html] <?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

android:orientation="vertical"

android:layout_width="fill_parent"

android:layout_height="fill_parent"

android:background="@drawable/splash_background"

>

<ListView android:id="@+id/more_List"

android:layout_width="fill_parent"

android:layout_height="fill_parent"

android:divider="@drawable/list_bottom_line"

android:listSelector="#00000000"

android:cacheColorHint="#00000000">

</ListView>

</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

android:orientation="vertical"

android:layout_width="fill_parent"

android:layout_height="fill_parent"

android:background="@drawable/splash_background"

>

<ListView android:id="@+id/more_List"

android:layout_width="fill_parent"

android:layout_height="fill_parent"

android:divider="@drawable/list_bottom_line"

android:listSelector="#00000000"

android:cacheColorHint="#00000000">

</ListView>

</LinearLayout>很简单只有一个ListView

item的布局:

[html] <?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

android:orientation="horizontal"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:padding="8dip"

android:background="@drawable/list_item"

>

<ImageView android:id="@+id/item_icon"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

/>

<TextView android:id="@+id/more_item_text"

android:layout_marginLeft="10dip"

android:textSize="20dip"

android:textColor="#000000"

android:layout_width="wrap_content"

android:layout_height="wrap_content"/>

<ImageView android:id="@+id/item_image"

android:layout_marginTop="5dip"

android:layout_marginLeft="10dip"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:background="@drawable/triangle"

/>

</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

android:orientation="horizontal"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:padding="8dip"

android:background="@drawable/list_item"

>

<ImageView android:id="@+id/item_icon"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

/>

<TextView android:id="@+id/more_item_text"

android:layout_marginLeft="10dip"

android:textSize="20dip"

android:textColor="#000000"

android:layout_width="wrap_content"

android:layout_height="wrap_content"/>

<ImageView android:id="@+id/item_image"

android:layout_marginTop="5dip"

android:layout_marginLeft="10dip"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:background="@drawable/triangle"

/>

</LinearLayout>设置成水平布局,一次是图标,文字说明,箭头图标

主要代码如下:

[java] package com.cloay.news;

import com.cloay.news.bean.MoreAdapter;

import com.cloay.news.service.MainService;

import com.cloay.news.util.AlertDlgUtil;

import com.waps.AppConnect;

import android.content.Intent;

import android.os.Bundle;

import android.view.View;

import android.widget.AdapterView;

import android.widget.AdapterView.OnItemClickListener;

import android.widget.ListView;

/**

* 更多界面包含帮助,关于等。

* @author Cloay

* 2012-3-3

* 下午09:45:12

*/

public class MoreActivity extends NewsReaderActivity {

private ListView moreList;

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.more);

MainService.allActivity.add(this);

moreList = (ListView) findViewById(R.id.more_List);

MoreAdapter adapter = new MoreAdapter(this);

moreList.setAdapter(adapter);

moreList.setOnItemClickListener(new OnItemClickListener() { //为每一个item设置相应的响应

@Override

public void onItemClick(AdapterView<?> parent, View view,

int position, long id) {

switch(position){

case 0: //关于

startActivity(AboutActivity.class);

break;

case 1:

//分享

Intent intent=new Intent(Intent.ACTION_SEND);

intent.setType("text/plain");

intent.putExtra(Intent.EXTRA_SUBJECT, "分享");

intent.putExtra(Intent.EXTRA_TEXT, "I would like to share this with you...");

startActivity(Intent.createChooser(intent, getTitle()));

break;

case 2:

//帮助

startActivity(HelpActivity.class);

break;

case 3:

//意见反馈

AppConnect.getInstance(MoreActivity.this).showFeedback();

break;

case 4://退出

AlertDlgUtil.AlertExit(MoreActivity.this);

break;

}

}

});

}

private void startActivity(Class<?>cls){

Intent intent = new Intent(this, cls);

this.startActivity(intent);

}

}

package com.cloay.news;

import com.cloay.news.bean.MoreAdapter;

import com.cloay.news.service.MainService;

import com.cloay.news.util.AlertDlgUtil;

import com.waps.AppConnect;

import android.content.Intent;

import android.os.Bundle;

import android.view.View;

import android.widget.AdapterView;

import android.widget.AdapterView.OnItemClickListener;

import android.widget.ListView;

/**

* 更多界面包含帮助,关于等。

* @author Cloay

* 2012-3-3

* 下午09:45:12

*/

public class MoreActivity extends NewsReaderActivity {

private ListView moreList;

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.more);

MainService.allActivity.add(this);

moreList = (ListView) findViewById(R.id.more_List);

MoreAdapter adapter = new MoreAdapter(this);

moreList.setAdapter(adapter);

moreList.setOnItemClickListener(new OnItemClickListener() { //为每一个item设置相应的响应

@Override

public void onItemClick(AdapterView<?> parent, View view,

int position, long id) {

switch(position){

case 0: //关于

startActivity(AboutActivity.class);

break;

case 1:

//分享

Intent intent=new Intent(Intent.ACTION_SEND);

intent.setType("text/plain");

intent.putExtra(Intent.EXTRA_SUBJECT, "分享");

intent.putExtra(Intent.EXTRA_TEXT, "I would like to share this with you...");

startActivity(Intent.createChooser(intent, getTitle()));

break;

case 2:

//帮助

startActivity(HelpActivity.class);

break;

case 3:

//意见反馈

AppConnect.getInstance(MoreActivity.this).showFeedback();

break;

case 4://退出

AlertDlgUtil.AlertExit(MoreActivity.this);

break;

}

}

});

}

private void startActivity(Class<?>cls){

Intent intent = new Intent(this, cls);

this.startActivity(intent);

}

}

下面是为ListView提供数据的Adapter:

[java] package com.cloay.news.bean;

import java.util.ArrayList;

import java.util.List;

import com.cloay.news.R;

import android.content.Context;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

import android.widget.BaseAdapter;

import android.widget.ImageView;

import android.widget.TextView;

/**

* 为更多中listview提供数据

* @author Cloay

* 2012-3-5

* 下午06:28:14

*/

public class MoreAdapter extends BaseAdapter{

private LayoutInflater inflater;

private Context context;

public static final List<String> more_list = new ArrayList<String>();//为条目提供数据

public MoreAdapter(Context context){

this.context = context;

inflater = LayoutInflater.from(this.context);

more_list.add(context.getResources().getString(R.string.main_square));

more_list.add(context.getResources().getString(R.string.share));

more_list.add(context.getResources().getString(R.string.help_text));

more_list.add(context.getResources().getString(R.string.advice));

more_list.add(context.getResources().getString(R.string.exit_title));

}

@Override

public int getCount() {

return more_list.size();//条目数量

}

@Override

public Object getItem(int position) {

return null;

}

@Override

public long getItemId(int position) {

return 0;

}

@Override

public View getView(int position, View convertView, ViewGroup parent) {

if (convertView == null) {

convertView = inflater.inflate(

R.layout.more_list, null);

}

ImageView icon = (ImageView) convertView.findViewById(R.id.item_icon);//设置每个条目的图标

if(0 == position){

icon.setBackgroundResource(R.drawable.icon_square);

}else if(1 == position){

icon.setBackgroundResource(android.R.drawable.ic_menu_share);

}else if(2 == position){

icon.setBackgroundResource(R.drawable.icon_setting);

}else if(3 == position){

icon.setBackgroundResource(android.R.drawable.ic_menu_edit);

}else{

icon.setBackgroundResource(R.drawable.menu_exit);

}

TextView text = (TextView) convertView.findViewById(R.id.more_item_text); //设置条目的文字说明

text.setText(more_list.get(position));

return convertView;

}

}

package com.cloay.news.bean;

import java.util.ArrayList;

import java.util.List;

import com.cloay.news.R;

import android.content.Context;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

import android.widget.BaseAdapter;

import android.widget.ImageView;

import android.widget.TextView;

/**

* 为更多中listview提供数据

* @author Cloay

* 2012-3-5

* 下午06:28:14

*/

public class MoreAdapter extends BaseAdapter{

private LayoutInflater inflater;

private Context context;

public static final List<String> more_list = new ArrayList<String>();//为条目提供数据

public MoreAdapter(Context context){

this.context = context;

inflater = LayoutInflater.from(this.context);

more_list.add(context.getResources().getString(R.string.main_square));

more_list.add(context.getResources().getString(R.string.share));

more_list.add(context.getResources().getString(R.string.help_text));

more_list.add(context.getResources().getString(R.string.advice));

more_list.add(context.getResources().getString(R.string.exit_title));

}

@Override

public int getCount() {

return more_list.size();//条目数量

}

@Override

public Object getItem(int position) {

return null;

}

@Override

public long getItemId(int position) {

return 0;

}

@Override

public View getView(int position, View convertView, ViewGroup parent) {

if (convertView == null) {

convertView = inflater.inflate(

R.layout.more_list, null);

}

ImageView icon = (ImageView) convertView.findViewById(R.id.item_icon);//设置每个条目的图标

if(0 == position){

icon.setBackgroundResource(R.drawable.icon_square);

}else if(1 == position){

icon.setBackgroundResource(android.R.drawable.ic_menu_share);

}else if(2 == position){

icon.setBackgroundResource(R.drawable.icon_setting);

}else if(3 == position){

icon.setBackgroundResource(android.R.drawable.ic_menu_edit);

}else{

icon.setBackgroundResource(R.drawable.menu_exit);

}

TextView text = (TextView) convertView.findViewById(R.id.more_item_text); //设置条目的文字说明

text.setText(more_list.get(position));

return convertView;

}

}

运行效果图如下:

摘自Cloay的专栏

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