修改文件为Launcher2\src\com\android\launcher2\AppTextView.java

修改前

package com.android.launcher2;

import android.content.ComponentName;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.util.AttributeSet;
import android.widget.TextView;

/**
 * TextView that draws a bubble behind the text. We cannot use a
 * LineBackgroundSpan because we want to make the bubble taller than the text
 * and TextView's clip is too aggressive.
 */
public class AppTextView extends TextView {

    private static Paint tPaint = new Paint();

    private static final Canvas sCanvas = new Canvas();
    public static final String DEFAULTCOLOR = "#ffffffff";

    private boolean isNeedDraw = false;

    private static final String INFINITY_UNICODE = "\u221e";
    private static float mFewTextSize;
    private static float mManytextSize;

    public boolean isNeedDraw() {
        return isNeedDraw;
    }

    public void setNeedDraw(boolean isNeedDraw) {
        this.isNeedDraw = isNeedDraw;
    }

    private int mCount = 0;

    public int getCount() {
        return mCount;
    }

    public void setCount(int mCount) {
        this.mCount = mCount;
    }

    public AppTextView(Context context) {
        super(context);
        init();
    }

    public AppTextView(Context context, AttributeSet attrs) {
        super(context, attrs);
        init();
    }

    public AppTextView(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        init();
    }

    private void init() {
        setFocusable(true);
        tPaint.setAntiAlias(true);
        tPaint.setColor(Color.WHITE);
 
    }

 
    private ComponentName getComponent(Object info) {
        if (info instanceof ComponentName) {
            return (ComponentName)info;
        } else if (info instanceof ApplicationInfo) {
            return ((ApplicationInfo) info).componentName;
        } else if (info instanceof ShortcutInfo) {
            return ((ShortcutInfo) info).intent.getComponent();
        } else {
            return null;
        }
    }

 
}

修改后

package com.android.launcher2;
import com.android.launcher.R;
import android.content.ComponentName;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.RectF;
import android.graphics.drawable.Drawable;
import android.text.Layout;
import android.util.AttributeSet;
import android.widget.TextView;

/**
 * TextView that draws a bubble behind the text. We cannot use a
 * LineBackgroundSpan because we want to make the bubble taller than the text
 * and TextView's clip is too aggressive.
 */
public class AppTextView extends TextView {

    private static Paint tPaint = new Paint();

    private static final Canvas sCanvas = new Canvas();
    public static final String DEFAULTCOLOR = "#ffffffff";

    private boolean isNeedDraw = false;

    private static final String INFINITY_UNICODE = "\u221e";
    private static float mFewTextSize;
    private static float mManytextSize;

    static final float CORNER_RADIUS = 8.0f;
    static final float PADDING_H = 5.0f;
    static final float PADDING_V = 1.0f;

    private final RectF mRect = new RectF();
    private Paint mPaint;

    private boolean mBackgroundSizeChanged;
    private Drawable mBackground;
    private float mCornerRadius;
    private float mPaddingH;
    private float mPaddingV;

    public boolean isNeedDraw() {
        return isNeedDraw;
    }

    public void setNeedDraw(boolean isNeedDraw) {
        this.isNeedDraw = isNeedDraw;
    }

    private int mCount = 0;

    public int getCount() {
        return mCount;
    }

    public void setCount(int mCount) {
        this.mCount = mCount;
    }

    public AppTextView(Context context) {
        super(context);
        init();
    }

    public AppTextView(Context context, AttributeSet attrs) {
        super(context, attrs);
        init();
    }

    public AppTextView(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        init();
    }

    private void init() {
        setFocusable(true);
        tPaint.setAntiAlias(true);
        tPaint.setColor(Color.WHITE);
 
         mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
        mPaint.setColor(getContext().getResources().getColor(R.color.bubble_dark_background));

        final float scale = getContext().getResources().getDisplayMetrics().density;
        mCornerRadius = CORNER_RADIUS * scale;
        mPaddingH = PADDING_H * scale;
        //noinspection PointlessArithmeticExpression
        mPaddingV = PADDING_V * scale;
    }

    
        public void draw(Canvas canvas) {
        final Layout layout = getLayout();
        final RectF rect = mRect;
        final int left = getCompoundPaddingLeft();
        final int top = getExtendedPaddingTop();

        rect.set(left + layout.getLineLeft(0) - mPaddingH,
                top + layout.getLineTop(0) -  mPaddingV,
                Math.min(left + layout.getLineRight(0) + mPaddingH, mScrollX + mRight - mLeft),
                top + layout.getLineBottom(0) + mPaddingV);
        canvas.drawRoundRect(rect, mCornerRadius, mCornerRadius, mPaint);
        
        super.draw(canvas);
    }
    private ComponentName getComponent(Object info) {
        if (info instanceof ComponentName) {
            return (ComponentName)info;
        } else if (info instanceof ApplicationInfo) {
            return ((ApplicationInfo) info).componentName;
        } else if (info instanceof ShortcutInfo) {
            return ((ShortcutInfo) info).intent.getComponent();
        } else {
            return null;
        }
    }

 
}