Android 二级菜单最终版
浏览数：33 /
时间：2015年06月11日
上个图：
终于有个了断了，之前因为自己分析不到位，导致了之前的二级菜单有点问题，所以重新思考了下，改成现在这个样子，利用神奇的点9图片，实现这个效果。
总是来说，就是将被点击的背景图改变，那个小箭头其实就是被点击项的背景图，而下面是gridview，因为靠的比较近，看起来是连在一起的。看代码：
CusMenu.java
package com.example.twolevelmenu;
import java.util.ArrayList;
import java.util.List;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Bitmap;
import android.graphics.Color;
import android.graphics.drawable.ColorDrawable;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.ImageView.ScaleType;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.example.twolevelmenu.MenuBean.MenuChildBean;
import com.lidroid.xutils.BitmapUtils;
import com.lidroid.xutils.bitmap.BitmapDisplayConfig;
import com.lidroid.xutils.bitmap.callback.BitmapLoadCallBack;
import com.lidroid.xutils.bitmap.callback.BitmapLoadFrom;
public class CusMenu extends LinearLayout {
/**
* 列数
*/
private int colum = 3;
/**
* 加载数据的下标
*/
private int index;
/**
* 记录点击的id
*/
private int id;
private BitmapUtils bitmapUtils = null;
/**
* 相关数据源和view
*/
private List<MenuBean> list;
private List<MyGridView> gridviewList = new ArrayList<MyGridView>();
private List<LinearLayout> linearLayoutList = new ArrayList<LinearLayout>();
public CusMenu(Context context) {
super(context);
}
public CusMenu(Context context, AttributeSet attrs) {
super(context, attrs);
// TODO Auto-generated constructor stub
TypedArray a = context.obtainStyledAttributes(attrs,
R.styleable.CusMenu);
colum = a.getInt(R.styleable.CusMenu_colum, 3);
a.recycle();
//setBackgroundResource(R.drawable.order_list_04);
}
public void init(List<MenuBean> list) {
if (list == null || list.size() == 0)
return;
this.setOrientation(LinearLayout.VERTICAL);
this.setBackgroundColor(getResources().getColor(android.R.color.white));
if(bitmapUtils == null){
bitmapUtils = new BitmapUtils(getContext());
bitmapUtils.configDefaultLoadingImage(R.drawable.ic_launcher);
bitmapUtils.configDefaultLoadFailedImage(R.drawable.ic_launcher);
bitmapUtils.configDefaultBitmapConfig(Bitmap.Config.RGB_565);
}
this.list = list;
int row = 0;
int size = this.list.size();
// 计算行数
if (size % colum == size) {// 和列数取余，等于本身说明不够一行
row = 1;
} else if (size % colum == 0) {// 等于0说明刚好除尽，直接除
row = size / colum;
} else {// 超过，+1行
row = size / colum + 1;
}
for (int i = 1; i <= row; i++) {
// 每一行的布局，包含colum个列布局
LinearLayout rowLinearLayout = new LinearLayout(getContext());
LinearLayout.LayoutParams rowLinearLayoutParams = new LayoutParams(LayoutParams.FILL_PARENT,LayoutParams.WRAP_CONTENT);
rowLinearLayoutParams.setMargins(0, 20, 0, 0);
rowLinearLayout.setLayoutParams(rowLinearLayoutParams);
rowLinearLayout.setOrientation(LinearLayout.HORIZONTAL);
rowLinearLayout.setGravity(Gravity.CENTER_HORIZONTAL|Gravity.CENTER_VERTICAL);
rowLinearLayout.setBackgroundColor(getResources().getColor(android.R.color.white));
if(i == 1){//第一行上方应该留出更多空间
rowLinearLayout.setPadding(0, 30, 0, 0);
}else{
rowLinearLayout.setPadding(0, 20, 0, 0);
}
//rowLinearLayout.setPadding(0, 20, 0, 0);
// 每一行布局下面隐藏一个gridview，显示子菜单
MyGridView rowGridView = new MyGridView(getContext());
rowGridView.setNumColumns(colum);
rowGridView.setHorizontalSpacing(0);
rowGridView.setVerticalSpacing(2);
rowGridView.setVisibility(View.GONE);
rowGridView.setId(i+1000);//1000为随便给的数，防止id重复
//rowGridView.setPadding(0, 5, 0, 0);
rowGridView.setSelector(new ColorDrawable(Color.TRANSPARENT));
rowGridView.setBackgroundColor(Color.rgb(230, 230, 230));
LinearLayout.LayoutParams rowGridViewParams = new LinearLayout.LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT);
rowGridViewParams.setMargins(10, 0, 10, 0);
rowGridView.setLayoutParams(rowGridViewParams);
gridviewList.add(rowGridView);
this.addView(rowLinearLayout);
this.addView(rowGridView);
for (int j = 1; j <= colum; j++) {
// 每一列的布局,包含Imageview和Textview
// 创建包含Imageview和Textview的Linearyout
LinearLayout columLinearLayout = new LinearLayout(getContext());
columLinearLayout.setOrientation(LinearLayout.VERTICAL);
LinearLayout.LayoutParams columLinearLayoutParams = new LayoutParams(
0, LayoutParams.WRAP_CONTENT, 1);
columLinearLayoutParams.gravity = Gravity.CENTER_HORIZONTAL|Gravity.CENTER_VERTICAL;
columLinearLayout.setLayoutParams(columLinearLayoutParams);
columLinearLayout.setGravity(Gravity.CENTER_HORIZONTAL|Gravity.CENTER_VERTICAL);
linearLayoutList.add(columLinearLayout);
if (index < size) {
columLinearLayout.setTag(R.id.index, index);
columLinearLayout.setTag(rowGridView);
columLinearLayout.setId(index);
columLinearLayout.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
final int index = (Integer) v.getTag(R.id.index);// 取得要加载的数据的下标
MyGridView gridView = (MyGridView) v.getTag();//获取gridview
final List<MenuBean.MenuChildBean> childList = CusMenu.this.list.get(index).childList;
//如果子菜单为空或者子菜单的size是0，childIndex返回-1
if(childList==null||childList.size() == 0){
if (onChildGridViewItemClick != null) {
onChildGridViewItemClick.onItemClick(
index, -1);
}
gridView.setVisibility(View.GONE);
id = v.getId();// 记录点击的父菜单
return;
}else{
resetLinearLayoutBg();
v.setBackgroundResource(R.drawable.newmain_colum_bg);
}
//子菜单的监听，回调
gridView.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent,
View view, int position, long id) {
if (onChildGridViewItemClick != null && childList.get(position) != null) {
onChildGridViewItemClick.onItemClick(
index, position);
}
}
});
//子菜单还没显示
if (gridView.getVisibility() == View.GONE) {
gridView.setVisibility(View.VISIBLE);//显示子菜单
for( MyGridView myGridView : gridviewList ){//遍历每行的gridview
if(gridView.getId() != myGridView.getId()){//若不是此行的gridview，隐藏
myGridView.setVisibility(View.GONE);
}
}
if (gridView.getAdapter() == null) {
gridView.setAdapter(new Adapter(childList));
} else {
((Adapter) gridView.getAdapter()).changeList(childList);
}
} else {
if (id == v.getId()) {// 此处判断是否点击同一父菜单，是的话隐藏子菜单，否则更新子菜单
gridView.setVisibility(View.GONE);
v.setBackgroundResource(R.drawable.newmain_colum_bg_nor);
} else {
((Adapter) gridView.getAdapter()).changeList(childList);
}
}
id = v.getId();// 记录点击的父菜单
}
});
ImageView columImageView = new ImageView(getContext());
columImageView.setScaleType(ScaleType.FIT_XY);
final int width = (int) (ScreenInfo.screenWidth * 0.185);//0.185为图片占屏幕的比例
LinearLayout.LayoutParams imgParams = new LayoutParams(
width, width);
imgParams.setMargins(0, 0, 0, 10);
imgParams.gravity = Gravity.CENTER_HORIZONTAL|Gravity.CENTER_VERTICAL;
columImageView.setLayoutParams(imgParams);
MenuBean menuBean = CusMenu.this.list.get(index);
//图片加载顺序 网络>本地>默认
if(menuBean.logo_url!=null && menuBean.logo_url.length() > 0){//若有网络图片
bitmapUtils.display(columImageView, menuBean.logo_url,new BitmapLoadCallBack<View>() {
@Override
public void onLoadCompleted(View container,
String uri, Bitmap bitmap,
BitmapDisplayConfig config,
BitmapLoadFrom from) {
// TODO Auto-generated method stub
((ImageView)container).setImageBitmap(bitmap);//cutterBitmap(bitmap, width, width));
}
@Override
public void onLoadFailed(View container,
String uri, Drawable drawable) {
// TODO Auto-generated method stub
}
});
}else if(menuBean.logo_id != 0){//若有本地图片
columImageView.setImageResource(menuBean.logo_id);
}else{//默认图片
columImageView.setImageResource(R.drawable.newmain_icon5);
}
TextView columTextView = new TextView(getContext());
columTextView.setGravity(Gravity.CENTER_HORIZONTAL|Gravity.CENTER_VERTICAL);
columTextView.setText(this.list.get(index).desc);
columTextView.setTextColor(getResources().getColor(android.R.color.black));
// 添加到列布局
columLinearLayout.addView(columImageView);
columLinearLayout.addView(columTextView);
} else {
// 添加到行布局
columLinearLayout.setVisibility(View.INVISIBLE);
}
rowLinearLayout.addView(columLinearLayout);
index++;
}
}
}
class Adapter extends BaseAdapter {
private List<MenuChildBean> list;
public Adapter(List<MenuChildBean> childList) {
this.list = childList;
checkList();
}
public void changeList(List<MenuChildBean> list) {
this.list = list;
checkList();
notifyDataSetChanged();
}
private void checkList(){
int remainder = list.size()%colum;
if(remainder == 0)return;
for(int i = remainder; i < colum ; i ++){
list.add(null);
}
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
if(convertView == null){
convertView = LayoutInflater.from(getContext()).inflate(R.layout.cusmenu_gridview_item, null);
}
TextView tv = ViewHolder.get(convertView, R.id.cusmenu_gridview_tv);
tv.setTextColor(Color.rgb(70, 70, 70));
tv.setVisibility(View.VISIBLE);
tv.setTextSize(13);
View line = ViewHolder.get(convertView, R.id.line);
line.setVisibility(View.VISIBLE);
if (list.get(position) != null) {
tv.setText(list.get(position).desc);
} else {
tv.setVisibility(View.GONE);
line.setVisibility(View.GONE);
}
if(position % colum == colum-1)line.setVisibility(View.GONE);
return convertView;
}
@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return 0;
}
@Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return null;
}
@Override
public int getCount() {
// TODO Auto-generated method stub
return list.size();
}
}
public void hiddenChildMenu(){
for( MyGridView myGridView : gridviewList ){//遍历每行的gridview
myGridView.setVisibility(View.GONE);
}
}
public void resetLinearLayoutBg(){
for(LinearLayout linerLayout :linearLayoutList){
linerLayout.setBackgroundResource(R.drawable.newmain_colum_bg_nor);
}
}
private OnChildGridViewItemClick onChildGridViewItemClick;
public void setOnChildGridViewItemClick(
OnChildGridViewItemClick onChildGridViewItemClick) {
this.onChildGridViewItemClick = onChildGridViewItemClick;
}
public interface OnChildGridViewItemClick {
void onItemClick(int parentIndex, int childIndex);
}
}
MenuActivity.java
package com.example.twolevelmenu;
import java.util.ArrayList;
import java.util.List;
import android.app.Activity;
import android.os.Bundle;
import android.widget.Toast;
import com.example.twolevelmenu.R;
public class MenuActivity extends Activity{
private List<MenuBean> list = new ArrayList<MenuBean>();
private CusMenu cusMenu;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
ScreenInfo.initScreent(this);
cusMenu=new CusMenu(this);
//cusMenu.setImageName("a", ".png");
setContentView(cusMenu);
getDataTest();
}
private void getDataTest() {
for (int i = 0; i < 5; i++) {
MenuBean bean = new MenuBean();
bean.desc = "插件" + i;
bean.logo_id = R.drawable.newmain_icon5;
bean.logo_url = "";
List<MenuBean.MenuChildBean> childList = new ArrayList<MenuBean.MenuChildBean>();
for(int j=0;j<=i;j++){
MenuBean.MenuChildBean childBean = bean.new MenuChildBean();
childBean.desc="子菜单"+j;
childList.add(childBean);
}
bean.childList=childList;
list.add(bean);
}
cusMenu.init(list);
cusMenu.setOnChildGridViewItemClick(new CusMenu.OnChildGridViewItemClick() {
@Override
public void onItemClick(int parentIndex, int childIndex) {
// TODO Auto-generated method stub
Toast.makeText(getApplicationContext(), parentIndex+"--"+childIndex, Toast.LENGTH_SHORT).show();
}
});
}
}
具体看demo，点此下载
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