public class IconViewGroup extends ViewGroup {
TextView mTextView;
ImageView mImageView;// 显示对应的icon
private Context mContext;
/**
* 命名区域
*/
private final String namespace = "http://com.oppo.examples";
/**
* 保存创建旋转角度
*/
private float mRotateDegrees;
/**
* 保存创建背景图片的ID
*/
private int mBackGroudDrawableId;
/**
* 利用图片ID加载图片
*/
private Drawable mBackGroudDrawable;
/**
* 原始图片所需宽、高
*/
private int mBackGroundWidth;
private int mBackGroundHeight;
private View view;
private static final int ICON_WIDTH = 46;// 显示数字的TextView的长宽
private static final int ICON_HEIGHT = 46;
private static final int TEXT_WIDTH = 46;// 显示数字的TextView的长宽
private static final int TEXT_HEIGHT = 260;
public IconViewGroup(Context context) {
super(context);
// TODO Auto-generated constructor stub
}
public IconViewGroup(Context context, AttributeSet attrs) {
super(context, attrs);
init(context);
mContext = context;
mBackGroudDrawableId = attrs.getAttributeResourceValue(namespace,
"background", R.drawable.item_on);
mBackGroudDrawable = context.getResources().getDrawable(
mBackGroudDrawableId);
mRotateDegrees = attrs.getAttributeFloatValue(namespace,
"rotateDegrees", 30.0f);
}
private void init(Context context) {
// TODO Auto-generated method stub
mTextView = new MyTextView(context);
mTextView.setTextSize(28);
mTextView.setGravity(Gravity.CENTER_VERTICAL);
// mTextView.setBackgroundColor(0xFFFFFF00);
mTextView.setText(R.string.app_name);
mTextView.setTextColor(0xF0FFFFFF);
mImageView = new ImageView(context);
mImageView.setBackgroundResource(R.drawable.icon);
this.addView(mTextView);
this.addView(mImageView);
}
@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
// TODO Auto-generated method stub
int ivWidth = mImageView.getMeasuredWidth();
int ivHeight = mImageView.getMeasuredHeight();
int tvWidth = mTextView.getMeasuredWidth();
int tvHeight = mTextView.getMeasuredHeight();
mTextView.measure(r - l, b - t);
mTextView.layout(5 + ivWidth + 10, getHeight() - tvHeight - 5,
getWidth(), getHeight() - 5);
mImageView.measure(r - l, b - t);
mImageView.layout(5, 5 + getHeight() - ivHeight, ivWidth, getHeight());
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
// TODO Auto-generated method stub
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
/**
* 设定View显示区域
*/
mBackGroundHeight = mBackGroudDrawable.getIntrinsicHeight();
mBackGroundWidth = mBackGroudDrawable.getIntrinsicWidth();
if (mRotateDegrees == 90.0f) {
setMeasuredDimension(mBackGroundHeight, mBackGroundWidth);
} else {
setMeasuredDimension(mBackGroundWidth, mBackGroundHeight);
}
}
@Override
protected void dispatchDraw(Canvas canvas) {
// TODO Auto-generated method stub
canvas.rotate(mRotateDegrees);
mBackGroudDrawable.setBounds(0, 0, mBackGroundWidth, mBackGroundHeight);
mBackGroudDrawable.draw(canvas);
super.dispatchDraw(canvas);
}
}