Nghệ Sĩ App is in the Windows Phone Marketplace, officially!

Download link: http://www.windowsphone.com/en-US/apps/944dc164-0009-42af-941d-ba10b5241bed

Nghệ Sĩ App is in the Windows Phone Marketplace

FINALLY! :)

Windows Developer Camp

Signed up for the free all-day Windows Developer Camp in Reston, VA on Tuesday March 27. Link: https://msevents.microsoft.com/CUI/EventDetail.aspx?EventID=1032507574&Culture=en-US

Android GPS and Routing

Wrote a little Android program to find a route between the current GPS location and another pre-determined location (GMU) and display it on Android phone's built-in Google Maps.

Android Map View

main.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/mainlayout"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent" >

    <com.google.android.maps.MapView
        android:id="@+id/mapview"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:clickable="true"
        android:apiKey="useyourown"
    />

</RelativeLayout>

HelloMapViewActivity.java

package com.thekhuc.hellomapview;

import java.util.List;

import com.google.android.maps.GeoPoint;
import com.google.android.maps.MapActivity;
import com.google.android.maps.MapView;
import com.google.android.maps.Overlay;
import com.google.android.maps.OverlayItem;

import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.widget.LinearLayout;

public class HelloMapViewActivity extends MapActivity {
    LinearLayout linearLayout;
    MapView mapView;
    List<Overlay>mapOverlays;
    Drawable drawable;
    HelloItemizedOverlay itemizedOverlay;

/** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
     
        mapView = (MapView) findViewById(R.id.mapview);
        mapView.setBuiltInZoomControls(true);
     
        mapOverlays = mapView.getOverlays();
        drawable = this.getResources().getDrawable(R.drawable.androidmarker);
        itemizedOverlay = new HelloItemizedOverlay(drawable);
     
        GeoPoint point = new GeoPoint(19240000, -99120000);
        OverlayItem overlayitem = new OverlayItem(point, "","");
     
        itemizedOverlay.addOverlay(overlayitem);
        mapOverlays.add(itemizedOverlay);
    }

@Override
protected boolean isRouteDisplayed() {
// TODO Auto-generated method stub
return false;
}
 
}

HelloItemizedOverlay.java

package com.thekhuc.hellomapview;

import java.util.ArrayList;

import android.graphics.drawable.Drawable;

import com.google.android.maps.ItemizedOverlay;
import com.google.android.maps.OverlayItem;

public class HelloItemizedOverlay extends ItemizedOverlay<OverlayItem> {

private ArrayList<OverlayItem> mOverlays = new ArrayList<OverlayItem>();

public HelloItemizedOverlay(Drawable defaultMarker) {
super(boundCenterBottom(defaultMarker));
}

@Override
protected OverlayItem createItem(int i) {
return mOverlays.get(i);
}

@Override
public int size() {
return mOverlays.size();
}

public void addOverlay(OverlayItem overlay){
mOverlays.add(overlay);
populate();
}

}

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.thekhuc.hellomapview"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk android:minSdkVersion="10" />
    <uses-permission android:name="android.permission.INTERNET"/>

    <application
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name" >
        <uses-library android:name="com.google.android.maps"/>
        <activity
            android:name=".HelloMapViewActivity"
            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 Issue: java.lang.RuntimeException: Unable to instantiate activity ComponentInfo

Resolved.

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.thekhuc.hellomapview"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk android:minSdkVersion="10" />
    <uses-permission android:name="android.permission.INTERNET"/>

    <application
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name" >
        <uses-library android:name="com.google.android.maps"/>
        <activity
            android:name=".HelloMapViewActivity"
            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>