android-por-listview

android-por-listview

android-pro-listview/src/com/hmkcode/android/Item.java

@@ -0,0 +1,48 @@
+package com.hmkcode.android;
+
+public class Item {
+
+	private int icon;
+	private String title;
+	private String counter;
+	
+	private boolean isGroupHeader = false;
+	
+	public Item(String title) {
+		this(-1,title,null);
+		isGroupHeader = true;
+	}
+	public Item(int icon, String title, String counter) {
+		super();
+		this.icon = icon;
+		this.title = title;
+		this.counter = counter;
+	}
+	public int getIcon() {
+		return icon;
+	}
+	public void setIcon(int icon) {
+		this.icon = icon;
+	}
+	public String getTitle() {
+		return title;
+	}
+	public void setTitle(String title) {
+		this.title = title;
+	}
+	public String getCounter() {
+		return counter;
+	}
+	public void setCounter(String counter) {
+		this.counter = counter;
+	}
+	public boolean isGroupHeader() {
+		return isGroupHeader;
+	}
+	public void setGroupHeader(boolean isGroupHeader) {
+		this.isGroupHeader = isGroupHeader;
+	}
+	
+	
+	
+}

android-pro-listview/src/com/hmkcode/android/MainActivity.java

@@ -0,0 +1,41 @@
+package com.hmkcode.android;
+
+import java.util.ArrayList;
+
+import android.app.Activity;
+import android.app.ListActivity;
+import android.os.Bundle;
+import android.widget.ListView;
+
+public class MainActivity extends ListActivity {
+    
+
+	public void onCreate(Bundle icicle) {
+		super.onCreate(icicle);
+		
+		// if extending Activity
+		//setContentView(R.layout.activity_main);
+		
+		// 1. pass context and data to the custom adapter
+		MyAdapter adapter = new MyAdapter(this, generateData());
+		
+		// if extending Activity 2. Get ListView from activity_main.xml
+		//ListView listView = (ListView) findViewById(R.id.listview);
+		
+		// 3. setListAdapter
+		//listView.setAdapter(adapter); if extending Activity
+		setListAdapter(adapter);
+	}
+	
+	
+	private ArrayList<Item> generateData(){
+		ArrayList<Item> items = new ArrayList<Item>();
+	    items.add(new Item("Group Title"));
+	    items.add(new Item(R.drawable.action_help_32,"Menu Item 1","1"));
+	    items.add(new Item(R.drawable.action_search_32,"Menu Item 2","2"));
+	    items.add(new Item(R.drawable.collections_cloud_32,"Menu Item 3","12"));
+	    
+	    return items;
+	}
+
+} 

android-pro-listview/src/com/hmkcode/android/MyAdapter.java

@@ -0,0 +1,60 @@
+package com.hmkcode.android;
+
+import java.util.ArrayList;
+
+import com.hmkcode.android.R;
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+public class MyAdapter extends ArrayAdapter<Item> {
+
+		private final Context context;
+		private final ArrayList<Item> itemsArrayList;
+
+		public MyAdapter(Context context, ArrayList<Item> itemsArrayList) {
+			 
+			super(context, R.layout.target_item, itemsArrayList);
+			
+			this.context = context;
+			this.itemsArrayList = itemsArrayList;
+		}
+		
+		@Override
+		public View getView(int position, View convertView, ViewGroup parent) {
+		    
+			// 1. Create inflater 
+			LayoutInflater inflater = (LayoutInflater) context
+		        .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+		    
+			// 2. Get rowView from inflater
+			
+			View rowView = null;
+			if(!itemsArrayList.get(position).isGroupHeader()){
+				rowView = inflater.inflate(R.layout.target_item, parent, false);
+			
+				// 3. Get icon,title & counter views from the rowView
+				ImageView imgView = (ImageView) rowView.findViewById(R.id.item_icon); 
+				TextView titleView = (TextView) rowView.findViewById(R.id.item_title);
+				TextView counterView = (TextView) rowView.findViewById(R.id.item_counter);
+		    
+			    // 4. Set the text for textView 
+			    imgView.setImageResource(itemsArrayList.get(position).getIcon());
+			    titleView.setText(itemsArrayList.get(position).getTitle());
+			    counterView.setText(itemsArrayList.get(position).getCounter());
+			}
+			else{
+					rowView = inflater.inflate(R.layout.group_header_item, parent, false);
+					TextView titleView = (TextView) rowView.findViewById(R.id.header);
+				    titleView.setText(itemsArrayList.get(position).getTitle());
+
+			}
+		   
+		    // 5. retrn rowView
+		    return rowView;
+		}
+}