我想在饼图项上显示标签..请指导我..
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
PieDetailsItem item;
int maxCount=0;
int itemCount=0;
int items[]={2,6,0};
int colors[]={-6777216,-16776961,-16711681};
String itemslabel[]={" vauesr ur 100"," vauesr ur 200"," vauesr ur 300"};
for(int i=0;i<items.length;i++)
{
itemCount=items[i];
item=new PieDetailsItem();
item.count=itemCount;
item.label=itemslabel[i];
item.color=colors[i];
piedata.add(item);
maxCount=maxCount+itemCount;
}
int size=155;
int BgColor=0xffa11b1;
Bitmap mBaggroundImage=Bitmap.createBitmap(size,size,Bitmap.Config.ARGB_8888);
View_PieChart piechart=new View_PieChart(this);
piechart.setLayoutParams(new LayoutParams(size,size));
piechart.setGeometry(size, size, 2, 2, 2, 2, 2130837504);
piechart.setSkinparams(BgColor);
piechart.setData(piedata, maxCount);
piechart.invalidate();
piechart.draw(new Canvas(mBaggroundImage));
piechart=null;
ImageView mImageView=new ImageView(this);
mImageView.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT,LayoutParams.WRAP_CONTENT));
mImageView.setBackgroundColor(BgColor);
mImageView.setImageBitmap(mBaggroundImage);
LinearLayout finalLayout=(LinearLayout)findViewById(R.id.pie_container);
finalLayout.addView(mImageView);
}
public View_PieChart(Context context){ 超级(上下文); Log.w(“单一利弊”,“单一利弊”); }
public View_PieChart(Context context, AttributeSet attr) {
super(context, attr);
Log.w(" double cons ", " double cons");
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
if (mState != IS_READY_TO_DRAW) {
return;
}
canvas.drawColor(mBgcolor);
mBagpaints.setAntiAlias(true);
mBagpaints.setStyle(Paint.Style.FILL);
mBagpaints.setColor(0x88FF0000);
mBagpaints.setStrokeWidth(0.0f);
mLinePaints.setAntiAlias(true);
mLinePaints.setColor(0xff000000);
mLinePaints.setStrokeWidth(3.0f);
mLinePaints.setStyle(Paint.Style.STROKE);
RectF mOvals = new RectF(mGapleft, mGapTop, mWidth - mGapright, mHeight
- mGapBottm);
mStart = START_INC;
PieDetailsItem item;
for (int i = 0; i < mdataArray.size(); i++) {
item = (PieDetailsItem) mdataArray.get(i);
mBagpaints.setColor(item.color);
mSweep = (float) 360* ((float) item.count / (float) mMaxConnection);
canvas.drawArc(mOvals, mStart, mSweep, true, mBagpaints);
canvas.drawArc(mOvals, mStart, mSweep, true, mLinePaints);
mStart = mStart + mSweep;
}
mState = IS_DRAW;
}
public void setGeometry(int width, int height, int gapleft, int gapright,
int gaptop, int gapbottom, int overlayid) {
mWidth = width;
mHeight = height;
mGapleft = gapleft;
mGapright = gapright;
mGapBottm = gapbottom;
mGapTop = gaptop;
}
public void setSkinparams(int bgcolor) {
Log.w(" Set bg color : ", bgcolor + "");
mBgcolor = bgcolor;
}
public void setData(List<PieDetailsItem> data, int maxconnection) {
mdataArray = data;
mMaxConnection = maxconnection;
Log.w(" Max Connection ", maxconnection + " " + " Adataarray :"
+ data.toString());
mState = IS_READY_TO_DRAW;
}
public void setState(int state) {
mState = state;
}
public int getColorValues(int index) {
if (mdataArray == null) {
return 0;
}
else if (index < 0)
return ((PieDetailsItem) mdataArray.get(0)).color;
else if (index > mdataArray.size())
return ((PieDetailsItem) mdataArray.get(mdataArray.size() - 1)).color;
else
return ((PieDetailsItem) mdataArray.get(mdataArray.size() - 1)).color;
}
>
<LinearLayout android:id="@+id/pie_container"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="vertical" >
</LinearLayout>
答案 0 :(得分:1)
您不会使用TextView,您只需要在馅饼顶部绘制文字。
答案 1 :(得分:0)
发布所需视图的xml布局。