自定义控件之歌词RCL控件

最终效果图:

控件的思路是2个TextView压在一起

-------注意更改第二版为可以居中版本,下载Demo后请覆盖内容

文件名:item_rcl.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"android:layout_width="match_parent"android:layout_height="wrap_content"><LinearLayoutandroid:id="@+id/one"android:layout_width="wrap_content"android:layout_height="25dp"android:layout_centerHorizontal="true"><TextViewandroid:id="@+id/qqq"android:layout_width="wrap_content"android:layout_height="wrap_content"android:scrollbars="horizontal"android:text="XINHAO_HAN"android:textColor="#00ff00"android:textSize="20sp" /></LinearLayout><RelativeLayoutandroid:id="@+id/two"android:layout_width="0dp"android:layout_height="wrap_content"android:layout_alignLeft="@+id/one"><TextViewandroid:id="@+id/zzzz"android:layout_width="wrap_content"android:layout_height="wrap_content"android:scrollbars="horizontal"android:text="XINHAO_HAN"android:textColor="#ff00ff"android:textSize="20sp" /></RelativeLayout></RelativeLayout>

TextView使用的属性如下:

XML:
android:scrollbars="horizontal"
java:textView.setMovementMethod(ScrollingMovementMethod.getInstance());textView.setHorizontallyScrolling(true); // 不让超出屏幕的文本自动换行，使用滚动条

全部代码 --JAVA

package com.example.downlist.view;import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.support.annotation.Nullable;
import android.text.method.ScrollingMovementMethod;
import android.util.AttributeSet;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.widget.FrameLayout;
import android.widget.TextView;
import com.example.downlist.R;
import com.example.downlist.utils.UIUtlis;
/*** Created by Administrator on 2017/9/20.*/
//歌词控件
public class RCLView extends FrameLayout {private View one;private View two;private Context context;private View view;private int width;private TextView textView;private TextView qqq;public RCLView(Context context) {super(context);initView(context, null);}private String title = "XINHAO_HAN";private Paint paint;public RCLView(Context context, @Nullable AttributeSet attrs) {super(context, attrs);initView(context, attrs);}public RCLView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {super(context, attrs, defStyleAttr);initView(context, attrs);}//初始化public void setString(String string) {textView.setText(string);qqq.setText(string);}public void initView(Context context, AttributeSet attrs) {this.context = context;if (view == null)view = UIUtlis.getView(R.layout.item_rcl);if (one == null)one = view.findViewById(R.id.one);if (two == null)two = view.findViewById(R.id.two);textView = two.findViewById(R.id.zzzz);qqq = one.findViewById(R.id.qqq);textView.setMovementMethod(ScrollingMovementMethod.getInstance());textView.setHorizontallyScrolling(true); // 不让超出屏幕的文本自动换行，使用滚动条addView(view);if (attrs != null) {TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.RCLView);int topColor = typedArray.getColor(R.styleable.RCLView_topColor, Color.RED);int boomColor = typedArray.getColor(R.styleable.RCLView_boomColor, Color.BLUE);String string = typedArray.getString(R.styleable.RCLView_text);int integer = typedArray.getInteger(R.styleable.RCLView_textSize, 40);setTopColor(topColor);setBoomColor(boomColor);setString(string);setTextSize(integer);}}//设置顶部颜色public void setTopColor(int color) {qqq.setTextColor(color);}//设置底部颜色public void setBoomColor(int color) {textView.setTextColor(color);}//设置字体大小public void setTextSize(float size) {qqq.setTextSize(size);textView.setTextSize(size);}//开始测量@Overrideprotected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {super.onMeasure(widthMeasureSpec, heightMeasureSpec);width = one.getMeasuredWidth();// Log.e("宽:", "onMeasure: " + width );}public void setIndex(int index) {ViewGroup.LayoutParams layoutParams = two.getLayoutParams();double i = width * 1.0 / 100;Log.e("宽:", "setIndex: " + i + " index: " + index + " 总和:" + (i * index));layoutParams.width = (int) (i * index);two.setLayoutParams(layoutParams);}//开始绘画@Overrideprotected void onDraw(Canvas canvas) {super.onDraw(canvas);}
}

//XML部分

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"android:layout_width="wrap_content"android:layout_height="wrap_content"><LinearLayoutandroid:id="@+id/one"android:layout_width="wrap_content"android:layout_height="25dp"><TextViewandroid:id="@+id/qqq"android:layout_width="wrap_content"android:layout_height="wrap_content"android:scrollbars="horizontal"android:text="这是自定义歌词的一种思路"android:textColor="#00ff00"android:textSize="20sp" /></LinearLayout><RelativeLayoutandroid:id="@+id/two"android:layout_width="0dp"android:layout_height="wrap_content"><TextViewandroid:id="@+id/zzzz"android:layout_width="wrap_content"android:layout_height="wrap_content"android:scrollbars="horizontal"android:text="这是自定义歌词的一种思路"android:textColor="#ff00ff"android:textSize="20sp" /></RelativeLayout></FrameLayout>

attrs部分

<?xml version="1.0" encoding="utf-8"?>
<resources><declare-styleable name="RCLView"><attr name="topColor" format="color" /><attr name="boomColor" format="color" /><attr name="textSize" format="integer"></attr><attr name="text" format="string"></attr></declare-styleable></resources>

//使用

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"xmlns:hxh="http://schemas.android.com/apk/res-auto"android:id="@+id/mySheView"android:layout_width="match_parent"android:layout_height="match_parent"android:orientation="vertical"><com.example.downlist.view.RCLViewandroid:id="@+id/rcView"android:layout_width="match_parent"android:layout_height="wrap_content"android:layout_marginTop="50dp"hxh:boomColor="#ff0000"hxh:text="曾经的一切,都是那么渺茫,曾经的曾经都是一切"hxh:textSize="15"hxh:topColor="#00ff00"></com.example.downlist.view.RCLView><SeekBarandroid:id="@+id/see"android:layout_width="match_parent"android:layout_height="wrap_content"android:layout_marginTop="50dp"android:max="100" /></LinearLayout>

Demo下载:
链接: https://pan.baidu.com/s/1i5P6WML 密码: 3283