android-por-listview

android-por-listview

android-pro-listview/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.hmkcode.android"
+    android:versionCode="1"
+    android:versionName="1.0" >
+
+    <uses-sdk
+        android:minSdkVersion="8"
+        android:targetSdkVersion="17" />
+
+    <application
+        android:allowBackup="true"
+        android:icon="@drawable/ic_launcher"
+        android:label="@string/app_name"
+        android:theme="@style/AppTheme" >
+        <activity
+            android:name="com.hmkcode.android.MainActivity"
+            android:label="@string/app_name" >
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

android-pro-listview/res/drawable-hdpi/rectangle.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle">
+   <solid android:color="#5490CC"></solid>
+   <corners android:radius="8px"></corners> 
+   <stroke  android:width="2dp" android:color="#A4C2E0"></stroke>  
+</shape>

android-pro-listview/res/layout/activity_main.xml

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+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="fill_parent"
+    android:layout_height="fill_parent"
+    tools:context=".MainActivity" 
+    >
+
+    <ListView
+ 	   android:id="@+id/listview"
+  	   android:layout_width="fill_parent"
+  	   android:layout_height="wrap_content"
+  	   /> 
+
+</RelativeLayout>

android-pro-listview/res/layout/group_header_item.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="48dp"
+    
+   	android:background="#F3F3F3">
+    
+    	
+    <!-- title -->
+    <TextView
+         android:id="@+id/header"
+         android:layout_width="wrap_content"
+         android:layout_height="wrap_content"
+         android:gravity="center_vertical"
+         android:textSize="16dp"
+         android:layout_marginLeft="12dp"
+         android:layout_marginBottom="4dp"
+         android:layout_alignParentBottom="true" />
+
+    <!--  divider -->
+    <View
+        android:layout_width="match_parent"
+        android:layout_height="1dp"
+        android:layout_marginBottom="1dp"
+        android:layout_alignParentBottom="true"
+        android:background="#DADADC" ></View>
+	
+</RelativeLayout>

android-pro-listview/res/layout/target_item.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="48dp"
+    android:background="#F3F3F3">
+    
+     <!-- icon -->
+     <ImageView
+         android:id="@+id/item_icon"
+         android:layout_width="32dp"
+         android:layout_height="32dp"
+         android:layout_alignParentLeft="true"
+         android:layout_marginLeft="8dp"
+         android:layout_marginRight="8dp"
+         android:layout_marginTop="8dp"
+         android:src="@drawable/action_help"
+         />
+    	 
+    <!-- title -->
+    <TextView
+         android:id="@+id/item_title"
+         android:layout_width="wrap_content"
+         android:layout_height="wrap_content"
+         android:layout_toRightOf="@+id/item_icon"
+         android:layout_alignBaseline="@+id/item_counter"
+         android:textSize="18dp" />
+
+        <!-- counter -->
+        <TextView
+            android:id="@+id/item_counter"
+            android:layout_width="32dp"
+            android:layout_height="32dp"
+            android:layout_alignParentRight="true"
+            android:layout_marginRight="8dp"
+            android:layout_marginTop="8dp"
+            android:background="@drawable/rectangle"
+            android:gravity="center"
+	        android:textColor="#FFFFFF"
+            android:textSize="12sp"
+            android:textStyle="bold" />
+	
+</RelativeLayout>

android-pro-listview/res/menu/main.xml

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+<menu xmlns:android="http://schemas.android.com/apk/res/android" >
+
+    <item
+        android:id="@+id/action_settings"
+        android:orderInCategory="100"
+        android:showAsAction="never"
+        android:title="@string/action_settings"/>
+
+</menu>

android-pro-listview/res/values/dimens.xml

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+<resources>
+
+    <!-- Default screen margins, per the Android Design guidelines. -->
+    <dimen name="activity_horizontal_margin">16dp</dimen>
+    <dimen name="activity_vertical_margin">16dp</dimen>
+
+</resources>

android-pro-listview/res/values/strings.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <string name="app_name">Advanced ListView</string>
+    <string name="action_settings">Settings</string>
+    <string name="hello_world">Hello world!</string>
+
+</resources>

android-pro-listview/res/values/styles.xml

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+<resources>
+
+    <!--
+        Base application theme, dependent on API level. This theme is replaced
+        by AppBaseTheme from res/values-vXX/styles.xml on newer devices.
+    -->
+    <style name="AppBaseTheme" parent="android:Theme.Light">
+        <!--
+            Theme customizations available in newer API levels can go in
+            res/values-vXX/styles.xml, while customizations related to
+            backward-compatibility can go here.
+        -->
+    </style>
+
+    <!-- Application theme. -->
+    <style name="AppTheme" parent="AppBaseTheme">
+        <!-- All customizations that are NOT specific to a particular API-level can go here. -->
+    </style>
+
+</resources>

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

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+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

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+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

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+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;
+		}
+}