##带圆角和选择器的自定义文本按钮 示例
<包名.CustumShapeBgTextView android:layout_width="200dp" android:layout_height="200dp" android:drawableTop="@mipmap/ic_launcher" android:gravity="center" android:text="设置" android:textColor="#fff" android:textSize="36sp" apps:bottomLeftRadius="30dp" apps:shapeTpe="rectangle" apps:solidColor="#33EED2" />1.java代码
import android.content.Context; import android.content.res.TypedArray; import android.graphics.Color; import android.graphics.drawable.GradientDrawable; import android.os.Build; import android.util.AttributeSet; import android.view.MotionEvent; import android.widget.TextView; /** * 带圆角和选择器的自定义文本按钮 * 实现自定义圆角背景 * 支持: * 1.四边圆角 * 2.指定边圆角 * 3.支持填充色以及边框色 * 4.支持按下效果 */ public class CustumShapeBgTextView extends TextView { public CustumShapeBgTextView(Context context, AttributeSet attrs) { super(context, attrs); init(context, attrs); } private GradientDrawable gd; //填充色 private int solidColor = 0; //边框色 private int strokeColor = 0; //按下填充色 private int solidTouchColor = 0; //按下边框色 private int strokeTouchColor = 0; //边框宽度 private int strokeWith = 0; private int shapeTpe = 0; //按下字体色 private int textTouchColor = 0; //字体色 private int textColor = 0; float dashGap = 0; float dashWidth = 0; public void init(Context context, AttributeSet attrs) { TypedArray ta = context.getTheme().obtainStyledAttributes(attrs, R.styleable.CustumBgTextView, 0, 0); solidColor = ta.getInteger(R.styleable.CustumBgTextView_solidColor, 0x00000000); strokeColor = ta.getInteger(R.styleable.CustumBgTextView_strokeColor, 0x00000000); solidTouchColor = ta.getInteger(R.styleable.CustumBgTextView_solidTouchColor, 0x00000000); strokeTouchColor = ta.getInteger(R.styleable.CustumBgTextView_strokeTouchColor, 0x00000000); textTouchColor = ta.getInteger(R.styleable.CustumBgTextView_textTouchColor, 0x00000000); textColor = getCurrentTextColor(); strokeWith = ta.getInteger(R.styleable.CustumBgTextView_strokeWith, 0); float radius = ta.getDimension(R.styleable.CustumBgTextView_radius, 0); float topLeftRadius = ta.getDimension(R.styleable.CustumBgTextView_topLeftRadius, 0); float topRightRadius = ta.getDimension(R.styleable.CustumBgTextView_topRightRadius, 0); float bottomLeftRadius = ta.getDimension(R.styleable.CustumBgTextView_bottomLeftRadius, 0); float bottomRightRadius = ta.getDimension(R.styleable.CustumBgTextView_bottomRightRadius, 0); dashGap = ta.getDimension(R.styleable.CustumBgTextView_dashGap, 0); dashWidth = ta.getDimension(R.styleable.CustumBgTextView_dashWidth, 0); shapeTpe = ta.getInt(R.styleable.CustumBgTextView_shapeTpe, GradientDrawable.RECTANGLE); gd = new GradientDrawable(); gd.setShape(shapeTpe); //矩形 if (shapeTpe == GradientDrawable.RECTANGLE) { gd.setShape(GradientDrawable.RECTANGLE); if (radius != 0) { gd.setCornerRadius(radius); } else { //分别表示 左上 右上 右下 左下 gd.setCornerRadii(new float[]{topLeftRadius, topLeftRadius, topRightRadius, topRightRadius, bottomRightRadius, bottomRightRadius, bottomLeftRadius, bottomLeftRadius}); } } drowBackgroud(false); ta.recycle(); } public void setSelection(boolean selection) { drowBackgroud(selection); } /** * 设置按下颜色值 */ private void drowBackgroud(boolean isTouch) { if (isTouch) { if (solidTouchColor != 0) gd.setColor(solidTouchColor); if (strokeWith != 0 && strokeTouchColor != 0) { if (dashGap != 0 && dashGap != 0) gd.setStroke(strokeWith, strokeTouchColor, dashGap, dashGap); else gd.setStroke(strokeWith, strokeTouchColor); } if (textTouchColor != 0) setTextColor(textTouchColor); } else { if (solidColor != 0) gd.setColor(solidColor); else gd.setColor(Color.TRANSPARENT); if (strokeWith != 0 && strokeColor != 0) { if (dashGap != 0 && dashGap != 0) gd.setStroke(strokeWith, strokeColor, dashGap, dashGap); else gd.setStroke(strokeWith, strokeColor); } else gd.setStroke(0, Color.TRANSPARENT); if (textTouchColor != 0) setTextColor(textColor); } if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) { setBackground(gd); } postInvalidate(); } @Override public boolean onTouchEvent(MotionEvent event) { if (event.getAction() == MotionEvent.ACTION_DOWN) { drowBackgroud(true); } else { drowBackgroud(false); } return true; } }2.属性
<declare-styleable name="CustumBgTextView"> <!--填充色--> <attr name="solidColor" format="color"></attr> <!--边框色--> <attr name="strokeColor" format="color"></attr> <!--按下填充色--> <attr name="solidTouchColor" format="color"></attr> <!---按下边框色--> <attr name="strokeTouchColor" format="color"></attr> <!--文字按下颜色 --> <attr name="textTouchColor" format="color"></attr> <attr name="strokeWith" format="integer"></attr> <attr name="radius" format="dimension"></attr> <attr name="topLeftRadius" format="dimension"></attr> <attr name="topRightRadius" format="dimension"></attr> <attr name="bottomLeftRadius" format="dimension"></attr> <attr name="bottomRightRadius" format="dimension"></attr> <!--虚线的间隙--> <attr name="dashGap" format="dimension"></attr> <!--虚线的宽度--> <attr name="dashWidth" format="dimension"></attr> <attr name="shapeTpe" format="enum"> <enum name="rectangle" value="0"></enum> <enum name="oval" value="1"></enum> <enum name="line" value="2"></enum> <enum name="ring" value="3"></enum> </attr> </declare-styleable>