本文實例為大家分享了閃耀字體效果的具體代碼,供大家參考,具體內容如下
import android.content.Context;import android.graphics.Canvas;import android.graphics.Color;import android.graphics.LinearGradient;import android.graphics.Matrix;import android.graphics.Paint;import android.graphics.Shader;import android.util.AttributeSet;import android.widget.TextView;/** * 閃耀字體 */public class ShiningFontView extends TextView { private int mViewWidth; private Paint mPaint; private LinearGradient mLinearGradient; private Matrix mGradientMatrix; private int mTranslate; public ShiningFontView(Context context) { super(context); } public ShiningFontView(Context context, AttributeSet attrs) { super(context, attrs); } public ShiningFontView(Context context, AttributeSet attrs, int defStyleAttr) { super(context, attrs, defStyleAttr); } @Override protected void onSizeChanged(int w, int h, int oldw, int oldh) { super.onSizeChanged(w, h, oldw, oldh); if (mViewWidth == 0) { mViewWidth = getMeasuredWidth(); if (mViewWidth > 0) { mPaint = getPaint(); mLinearGradient = new LinearGradient(0, 0, mViewWidth, 0, new int[]{Color.BLUE, 0xffffffff, Color.BLUE}, null, Shader.TileMode.CLAMP); mPaint.setShader(mLinearGradient); mGradientMatrix = new Matrix(); } } } @Override protected void onDraw(Canvas canvas) { super.onDraw(canvas); if (mGradientMatrix != null) { mTranslate += mViewWidth / 5; if (mTranslate > 2 * mViewWidth) { mTranslate = -mViewWidth; } mGradientMatrix.setTranslate(mTranslate, 0); mLinearGradient.setLocalMatrix(mGradientMatrix); postInvalidateDelayed(100); } }}使用方式如下
<com.hz56pt.huipaotui.view.ShiningFontView//包裹起來就行 android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerVertical="true" android:layout_marginLeft="@dimen/margin_10" android:layout_toRightOf="@id/iv_tips1_icon" android:text="@string/tips1" />
效果圖如下

以上就是本文的全部內容,希望對大家的學習有所幫助,也希望大家多多支持武林網。
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