效果如下,封装记录源码：
double_arrow.png 图标资源
界面：
<LinearLayout
android:layout_marginTop="20dp"
android:layout_gravity="right"
android:id="@+id/lin_jump"
android:layout_width="150dp"
android:layout_height="50dp"
android:gravity="center"
android:layout_marginRight="100dp"
android:orientation="horizontal">
<com.xiaoluobei.policecar.view.view.ShineTextView xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true"
android:layout_gravity="center"
android:gravity="center"
android:padding="10dp"
android:text="跳 过"
android:textColor="@color/white"
android:textSize="18sp"
app:bgShadowColor="@color/blue"
app:bgShadowDy="1"
app:bgShadowRadius="12"
app:outerShadowColor="@color/blue"
app:outerShadowDy="1"
app:outerShadowRadius="12" />
<ImageView
android:layout_width="20dp"
android:layout_height="15dp"
android:background="@mipmap/double_arrow" />
</LinearLayout>ShineTextView :
@SuppressLint("AppCompatCustomView")
public class ShineTextView extends TextView {
private ArrayList<Shadow> outerShadows;
public ShineTextView(Context context) {
super(context);
init(null);
}
public ShineTextView(Context context, AttributeSet attrs) {
super(context, attrs);
init(attrs);
}
public ShineTextView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
init(attrs);
}
public void init(AttributeSet attrs) {
outerShadows = new ArrayList<Shadow>();
if (attrs != null) {
TypedArray a = getContext().obtainStyledAttributes(attrs, R.styleable.ShineTextView);
if (a.hasValue(R.styleable.ShineTextView_bgShadowColor)) {
float bgRadius = a.getFloat(R.styleable.ShineTextView_bgShadowRadius, 0);
float bgDx = a.getFloat(R.styleable.ShineTextView_bgShadowDx, 0);
float bgDy = a.getFloat(R.styleable.ShineTextView_bgShadowDy, 0);
int bgColor = a.getColor(R.styleable.ShineTextView_bgShadowColor, 0xff000000);
this.addOuterShadow(bgRadius, bgDx, bgDy, bgColor);
}
if (a.hasValue(R.styleable.ShineTextView_outerShadowColor)) {
float radius = a.getFloat(R.styleable.ShineTextView_outerShadowRadius, 0);
float dx = a.getFloat(R.styleable.ShineTextView_outerShadowDx, 0);
float dy = a.getFloat(R.styleable.ShineTextView_outerShadowDy, 0);
int color = a.getColor(R.styleable.ShineTextView_outerShadowColor, 0xff2b88f6);
this.addOuterShadow(radius, dx, dy, color);
}
a.recycle();
}
}
public void updateShadow() {
}
public void addOuterShadow(float r, float dx, float dy, int color) {
outerShadows.add(new ShineTextView.Shadow(r, dx, dy, color));
}
public void clearOuterShadows() {
outerShadows.clear();
}
@Override
public void onDraw(Canvas canvas) {
super.onDraw(canvas);
this.setCompoundDrawables(null, null, null, null);
for (ShineTextView.Shadow shadow : outerShadows) {
this.setShadowLayer(shadow.r, shadow.dx, shadow.dy, shadow.color);
super.onDraw(canvas);
}
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
int widthMode = MeasureSpec.getMode(widthMeasureSpec);
int heightMode = MeasureSpec.getMode(heightMeasureSpec);
if (widthMode == MeasureSpec.EXACTLY) {
} else if (widthMode == MeasureSpec.AT_MOST) {
} else if (widthMode == MeasureSpec.UNSPECIFIED) {
}
}
@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
super.onLayout(changed, left, top, right, bottom);
}
public static class Shadow {
float r;
float dx;
float dy;
int color;
public Shadow(float r, float dx, float dy, int color) {
this.r = r;
this.dx = dx;
this.dy = dy;
this.color = color;
}
}
}