Android中一直走马灯效果的TextView
16lz
2021-12-18
XML布局:
<TextView android:layout_width="100dip" android:layout_height="wrap_content" android:ellipsize="marquee" android:focusable="true" android:focusableInTouchMode="true" android:marqueeRepeatLimit="marquee_forever" android:singleLine="true" android:text="走马灯xml布局实现,哈哈。。。。" />
自定义控件:
package com.android.widget;import android.content.Context;import android.graphics.Rect;import android.text.TextUtils.TruncateAt;import android.util.AttributeSet;import android.widget.TextView;/** * * 一直走马灯效果控件 * * @author zuolongsnail */public class CustomMarqueeTextView extends TextView {public MyMarqueeTextView(Context context) {super(context);createView();}public MyMarqueeTextView(Context context, AttributeSet attrs) {super(context, attrs);createView();}public MyMarqueeTextView(Context context, AttributeSet attrs, int defStyle) {super(context, attrs, defStyle);createView();}private void createView() {setEllipsize(TruncateAt.MARQUEE);setMarqueeRepeatLimit(-1);setFocusableInTouchMode(true);}@Overrideprotected void onFocusChanged(boolean focused, int direction,Rect previouslyFocusedRect) {if (focused) {super.onFocusChanged(focused, direction, previouslyFocusedRect);}}@Overridepublic void onWindowFocusChanged(boolean focused) {if (focused) {super.onWindowFocusChanged(focused);}}@Overridepublic boolean isFocused() {return true;}}
在xml中的使用方法:
<com.android.widget.CustomMarqueeTextView android:id="@+id/custom_marquee_textview" android:layout_width="wrap_content" android:layout_height="wrap_content" />
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