让自己的Android应用支持appwidget

核心提示：}}@Overridepublic boolean dispatchTouchEvent(MotionEvent event) {cellInfo[0] = (int)event.getX();cellInfo[1] = (int)event.getY();return super.dispatchTouchEvent

}

}

@Override

public boolean dispatchTouchEvent(MotionEvent event) {

cellInfo[0] = (int)event.getX();

cellInfo[1] = (int)event.getY();

return super.dispatchTouchEvent(event);

}

@Override

protected void onLayout(boolean changed, int l, int t, int r, int b) {

LayoutParams lp;

for(int index=0; index< index++)>

lp = (LayoutParams) getChildAt(index).getLayoutParams();

getChildAt(index).layout(lp.x, lp.y, lp.x+lp.width, lp.y+lp.height);

}

}

public static class LayoutParams extends ViewGroup.LayoutParams {

int x;

int y;

public LayoutParams(int width, int height) {

super(width, height);

}

}

}

package chroya.demo.widget;

import android.content.Context;

import android.view.MotionEvent;

import android.view.View;

import android.view.ViewGroup;

/**

* 承载widget的容器

* @author chroya

*/

public class WidgetLayout extends ViewGroup {

//存放touch的坐标

private int[] cellInfo = new int[2];

private OnLongClickListener mLongClickListener;

public WidgetLayout(Context context) {

super(context);

mLongClickListener = new OnLongClickListener() {

@Override

public boolean onLongClick(View v) {

return false;

}

};

}

public void addInScreen(View child, int width, int height) {

LayoutParams lp = new LayoutParams(width, height);

lp.x = cellInfo[0];

lp.y = cellInfo[1];

child.setOnLongClickListener(mLongClickListener);

addView(child, lp);

}

@Override

protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {

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