Android Open Source - SmartNavi Marker Info Window

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License

The source code is released under:

Apache License

Java Source Code

package org.osmdroid.bonuspack.overlays;
/*  w  w w.j  a  v a2  s  .c  o m*/
import org.osmdroid.bonuspack.utils.BonusPackHelper;
import org.osmdroid.views.MapView;
import android.content.Context;
import android.graphics.drawable.Drawable;
import android.text.Html;
import android.text.Spanned;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.widget.ImageView;
import android.widget.TextView;

/**
 * Default implementation of InfoWindow for a Marker. 
 * It handles a text and a description. 
 * It also handles optionally a sub-description and an image. 
 * Description and sub-description interpret HTML tags (in the limits of the Html.fromHtml(String) API). 
 * Clicking on the bubble will close it. 
 * 
 * @author M.Kergall
 */
public class MarkerInfoWindow extends InfoWindow {

  static int mTitleId=BonusPackHelper.UNDEFINED_RES_ID, 
      mDescriptionId=BonusPackHelper.UNDEFINED_RES_ID, 
      mSubDescriptionId=BonusPackHelper.UNDEFINED_RES_ID, 
      mImageId=BonusPackHelper.UNDEFINED_RES_ID; //resource ids

  protected Marker mMarkerRef; //reference to the Marker on which it is opened. Null if none. 
  
  private static void setResIds(Context context){
    String packageName = context.getPackageName(); //get application package name
    mTitleId = context.getResources().getIdentifier("id/bubble_title", null, packageName);
    mDescriptionId = context.getResources().getIdentifier("id/bubble_description", null, packageName);
    mSubDescriptionId = context.getResources().getIdentifier("id/bubble_subdescription", null, packageName);
    mImageId = context.getResources().getIdentifier("id/bubble_image", null, packageName);
    if (mTitleId == BonusPackHelper.UNDEFINED_RES_ID || mDescriptionId == BonusPackHelper.UNDEFINED_RES_ID 
        || mSubDescriptionId == BonusPackHelper.UNDEFINED_RES_ID || mImageId == BonusPackHelper.UNDEFINED_RES_ID) {
      Log.e(BonusPackHelper.LOG_TAG, "MarkerInfoWindow: unable to get res ids in "+packageName);
    }
  }
  
  public MarkerInfoWindow(int layoutResId, MapView mapView) {
    super(layoutResId, mapView);
    
    if (mTitleId == BonusPackHelper.UNDEFINED_RES_ID)
      setResIds(mapView.getContext());
    
    //default behavior: close it when clicking on the bubble:
    mView.setOnTouchListener(new View.OnTouchListener() {
      @Override public boolean onTouch(View v, MotionEvent e) {
        if (e.getAction() == MotionEvent.ACTION_UP)
          close();
        return true;
      }
    });
  }
  
  @Override public void onOpen(Object item) {
    mMarkerRef = (Marker)item;
    String title = mMarkerRef.getTitle();
    if (title == null)
      title = "";
    ((TextView)mView.findViewById(mTitleId /*R.id.title*/)).setText(title);
    
    String snippet = mMarkerRef.getSnippet();
    if (snippet == null)
      snippet = "";
    Spanned snippetHtml = Html.fromHtml(snippet);
    ((TextView)mView.findViewById(mDescriptionId /*R.id.description*/)).setText(snippetHtml);
    
    //handle sub-description, hidding or showing the text view:
    TextView subDescText = (TextView)mView.findViewById(mSubDescriptionId);
    String subDesc = mMarkerRef.getSubDescription();
    if (subDesc != null && !("".equals(subDesc))){
      subDescText.setText(Html.fromHtml(subDesc));
      subDescText.setVisibility(View.VISIBLE);
    } else {
      subDescText.setVisibility(View.GONE);
    }

    //handle image
    ImageView imageView = (ImageView)mView.findViewById(mImageId /*R.id.image*/);
    Drawable image = mMarkerRef.getImage();
    if (image != null){
      imageView.setImageDrawable(image); //or setBackgroundDrawable(image)?
      imageView.setVisibility(View.VISIBLE);
    } else
      imageView.setVisibility(View.GONE);
  }

  @Override public void onClose() {
    mMarkerRef = null;
    //by default, do nothing else
  }
  
}

Java Source Code List

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