自定義控制元件之歌詞RCL控制元件

最終效果圖:

2017-09-20-04mzAaaaaa.gif

控制元件的思路是2個TextView壓在一起

-------注意更改第二版為可以居中版本,下載Demo後請覆蓋內容

檔名: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">

    <LinearLayout
        android:id="@+id/one"
        android:layout_width="wrap_content"
        android:layout_height="25dp"
        android:layout_centerHorizontal="true">

        <TextView
            android: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>

    <RelativeLayout
        android:id="@+id/two"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/one">

        <TextView
            android: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使用的屬性如下:

XML:
android:scrollbars="horizontal"
java:
   textView.setMovementMethod(ScrollingMovementMethod
                .getInstance());
        textView.setHorizontallyScrolling(true); // 不讓超出螢幕的文字自動換行，使用滾動條

全部程式碼 --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.
 */
//歌詞控制元件
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); // 不讓超出螢幕的文字自動換行，使用滾動條
        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);
        }


    }

    //設定頂部顏色
    public void setTopColor(int color) {

        qqq.setTextColor(color);
    }

    //設定底部顏色
    public void setBoomColor(int color) {
        textView.setTextColor(color);
    }

    //設定字型大小
    public void setTextSize(float size) {
        qqq.setTextSize(size);
        textView.setTextSize(size);
    }


    //開始測量


    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        super.onMeasure(widthMeasureSpec, heightMeasureSpec);

        width = one.getMeasuredWidth();

        // Log.e("寬:", "onMeasure: " + width );


    }

    public void setIndex(int index) {


        ViewGroup.LayoutParams layoutParams = two.getLayoutParams();

        double i = width * 1.0 / 100;
        Log.e("寬:", "setIndex: " + i + " index: " + index + " 總和:" + (i * index));
        layoutParams.width = (int) (i * index);


        two.setLayoutParams(layoutParams);


    }

    //開始繪畫

    @Override
    protected 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">

    <LinearLayout
        android:id="@+id/one"
        android:layout_width="wrap_content"
        android:layout_height="25dp">

        <TextView
            android:id="@+id/qqq"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:scrollbars="horizontal"
            android:text="這是自定義歌詞的一種思路"
            android:textColor="#00ff00"
            android:textSize="20sp" />

    </LinearLayout>

    <RelativeLayout
        android:id="@+id/two"
        android:layout_width="0dp"
        android:layout_height="wrap_content">

        <TextView
            android:id="@+id/zzzz"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:scrollbars="horizontal"
            android:text="這是自定義歌詞的一種思路"
            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.RCLView

        android:id="@+id/rcView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="50dp"
        hxh:boomColor="#ff0000"
        hxh:text="曾經的一切,都是那麼渺茫,曾經的曾經都是一切"
        hxh:textSize="15"
        hxh:topColor="#00ff00"></com.example.downlist.view.RCLView>


    <SeekBar
        android:id="@+id/see"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="50dp"
        android:max="100" />


</LinearLayout>

Demo下載:
連結: https://pan.baidu.com/s/1i5P6WML 密碼: 3283