Android Open Source - OverlayView Overlay View

• Back to Location/library  ↑

From Project

Back to project page OverlayView.

License

The source code is released under:

Apache License

Java Source Code

/* $Id: $ */
package com.mhz.overlayview;
/* w  ww. j  a va 2  s.com*/
import java.util.List;

import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewGroup.LayoutParams;
import android.widget.LinearLayout;
import android.widget.TextView;

/**
 * Created by shanmuga-1921 on 20/9/13.
 */
public class OverlayView extends ViewGroup {

  private static final String TAG = "OverlayView";

  public static final int VERTICAL = 1;
  public static final int HORIZONTAL = 2;

  private int columns;
  private int rows;
  private int itemMinWidth;
  private int itemMinHeight;
  private int itemWidth;
  private int itemHeight;
  private int itemLayoutResource;
  private int itemOverlayLayoutResource;
  private boolean stackFromEnd;
  private int orientation;

  private int configurationXML; //TODO check whether it is working or not
  private Drawable overlayIcon;
  private String overlayText;
  private Drawable overlayWindowBackground;

  private List<OverlayState> overlayStates;
  private OverlayInflator overlayInflator;

  private Paint paint;

  private LayoutInflater layoutInflater;

  public OverlayView(Context context) {
    super(context);
    init();
  }

  public OverlayView(Context context, AttributeSet attrs) {
    super(context, attrs);

    overlayInflator = new OverlayInflator(getContext());

    TypedArray a = context.getTheme().obtainStyledAttributes(attrs, R.styleable.OverlayView, 0, 0);

    try {
      columns = a.getInteger(R.styleable.OverlayView_columns, -1);
      rows = a.getInteger(R.styleable.OverlayView_row, -1);

      itemMinWidth = a.getDimensionPixelSize(R.styleable.OverlayView_item_min_width, -1);
      itemMinHeight = a.getDimensionPixelSize(R.styleable.OverlayView_item_min_height, -1);

      itemWidth = a.getDimensionPixelSize(R.styleable.OverlayView_item_width, -1);
      itemHeight = a.getDimensionPixelSize(R.styleable.OverlayView_item_height, -1);

      itemLayoutResource = a.getResourceId(R.styleable.OverlayView_item_layout, -1);
      itemOverlayLayoutResource = a.getResourceId(R.styleable.OverlayView_item_overlay_layout, -1);

      stackFromEnd = a.getBoolean(R.styleable.OverlayView_stack_from_end, false);
      orientation = a.getInteger(R.styleable.OverlayView_orientation, VERTICAL);

      configurationXML = a.getResourceId(R.styleable.OverlayView_overlay_item_xml, -1);
      overlayIcon = a.getDrawable(R.styleable.OverlayView_overlay_image);
      overlayText = a.getString(R.styleable.OverlayView_overlay_text);
      overlayWindowBackground = a.getDrawable(R.styleable.OverlayView_overlayWindowBackground);
    } finally {
      a.recycle();
    }

    checkForValues();

    init();

    setWillNotDraw(false);
  }

  private void init() {
    layoutInflater = LayoutInflater.from(getContext());
    overlayStates = overlayInflator.inflate(configurationXML);

    paint = new Paint();
    
    addViews();
  }

  private View getView(OverlayState overlayState , int position) {
    Log.e(TAG, "get view...");
    View view = layoutInflater.inflate(itemLayoutResource, null);
//    TextView textView = (TextView) view.findViewById(R.id.textview);
//    textView.setText(overlayState.getItemText());
    
    view.layout(10, 10, 300, 300);
    Log.e(TAG, "layout param: " + ((ViewGroup) view).getChildCount());
    
    
//    View view = new View(getContext());
//    view.setBackgroundColor(Color.parseColor("#782357"));
//    int right = 50;
//    view.layout(10, 10, right, 50);
    
    return view;
  }

  private void checkForValues() {
    if(configurationXML == -1) {
      throw new IllegalArgumentException("configuration file is missing");
    }
    if(overlayIcon == null) {
    }
    if(overlayWindowBackground == null) {
    }
  }

  @Override
  protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
    // TODO Auto-generated method stub

    measureChild(widthMeasureSpec, heightMeasureSpec);
  }

  private void measureChild(int widthMeasureSpec, int heightMeasureSpec) {
    final int widthMode = MeasureSpec.getMode(widthMeasureSpec);
    final int heightMode = MeasureSpec.getMode(heightMeasureSpec);
    
    setMeasuredDimension(500, 400);
  }
  
  private void addViews() {
    addView(getView(overlayStates.get(0), 0));
    addView(getView(overlayStates.get(1), 1));
  }

  @Override
  protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
    // TODO Auto-generated method stub
    Log.e(TAG, "changed: " + changed+", "+left+", "+top+", "+right+", "+bottom);
  }

  @Override
  protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    Log.e(TAG, "On draw..." + getChildCount());
    //    canvas.drawRect(0, 0, 100, 100, paint);

//    for(OverlayState o : overlayStates) {
//      addView(getView(o));
//    }
  }
}

Java Source Code List

• Back to Location/library  ↑