int backgroudId = params.getResourceId(
R.styleable.MyView_imgBackground, 0);
if (backgroudId != 0)
setBackgroundResource(backgroudId);
int textColor = params.getColor(R.styleable.MyView_textColor,
0XFFFFFFFF);
setTextColor(textColor);
float textSize = params.getDimension(R.styleable.MyView_textSize, 36);
setTextSize(textSize);
float paddingLeft = params.getDimension(
R.styleable.MyView_textPaddingLeft, 41);
float paddingTop = params.getDimension(
R.styleable.MyView_textPaddingTop, 21);
setPaddings(paddingLeft, paddingTop);
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
if(mStr != null) {
canvas.drawText(mStr, 0, 0, mPaint);
}
canvas.drawText("heiheihei", 30, 60, mPaint);
}
private void initMyView() {
mPaint = new Paint();
mPaint.setColor(Color.WHITE);
}
private void setTextColor(int textColor) {
mPaint.setColor(0XFFAABBCC);
}
private void setTextSize(float textSize) {
mPaint.setTextSize(textSize);
}
private void setPaddings(float paddingLeft, float paddingTop) {
setPadding((int)paddingLeft, (int)paddingTop, 0, 0);
}
}
// 注意怎样在attrs中怎样定义background并取得background。
在layout中使用MyView，
main.xml
< ?xml version="1.0" encoding="utf-8"?>
< LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res/test.cuntomizedview"
android:orientation="vertical" android:layout_width="fill_parent"
android:layout_height="fill_parent">
< test.cuntomizedview.MyView android:id="@+id/v"
android:layout_width="fill_parent" android:layout_height="fill_parent"
app:textColor="#FFFFFFFF" app:textSize="40dip"
app:textPaddingLeft="40dip" app:textPaddingTop="40dip"
app:imgBackground="@drawable/bg_time"
/>
< /LinearLayout>
