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加粗应用名
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126 changes: 126 additions & 0 deletions
126
app/src/main/java/com/lanyus/blocksecureflag/RecycleViewDivider.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,126 @@ | ||
| package com.lanyus.blocksecureflag; | ||
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|
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| import android.content.Context; | ||
| import android.content.res.TypedArray; | ||
| import android.graphics.Canvas; | ||
| import android.graphics.Paint; | ||
| import android.graphics.Rect; | ||
| import android.graphics.drawable.Drawable; | ||
| import android.support.v4.content.ContextCompat; | ||
| import android.support.v7.widget.LinearLayoutManager; | ||
| import android.support.v7.widget.RecyclerView; | ||
| import android.view.View; | ||
|
|
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| public class RecycleViewDivider extends RecyclerView.ItemDecoration { | ||
|
|
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| private Paint mPaint; | ||
| private Drawable mDivider; | ||
| private int mDividerHeight = 2;//分割线高度，默认为1px | ||
| private int mOrientation;//列表的方向：LinearLayoutManager.VERTICAL或LinearLayoutManager.HORIZONTAL | ||
| private static final int[] ATTRS = new int[]{android.R.attr.listDivider}; | ||
|
|
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| /** | ||
| * 默认分割线：高度为2px，颜色为灰色 | ||
| * | ||
| * @param context | ||
| * @param orientation 列表方向 | ||
| */ | ||
| public RecycleViewDivider(Context context, int orientation) { | ||
| if (orientation != LinearLayoutManager.VERTICAL && orientation != LinearLayoutManager.HORIZONTAL) { | ||
| throw new IllegalArgumentException("请输入正确的参数！"); | ||
| } | ||
| mOrientation = orientation; | ||
|
|
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| final TypedArray a = context.obtainStyledAttributes(ATTRS); | ||
| mDivider = a.getDrawable(0); | ||
| a.recycle(); | ||
| } | ||
|
|
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| /** | ||
| * 自定义分割线 | ||
| * | ||
| * @param context | ||
| * @param orientation 列表方向 | ||
| * @param drawableId 分割线图片 | ||
| */ | ||
| public RecycleViewDivider(Context context, int orientation, int drawableId) { | ||
| this(context, orientation); | ||
| mDivider = ContextCompat.getDrawable(context, drawableId); | ||
| mDividerHeight = mDivider.getIntrinsicHeight(); | ||
| } | ||
|
|
||
| /** | ||
| * 自定义分割线 | ||
| * | ||
| * @param context | ||
| * @param orientation 列表方向 | ||
| * @param dividerHeight 分割线高度 | ||
| * @param dividerColor 分割线颜色 | ||
| */ | ||
| public RecycleViewDivider(Context context, int orientation, int dividerHeight, int dividerColor) { | ||
| this(context, orientation); | ||
| mDividerHeight = dividerHeight; | ||
| mPaint = new Paint(Paint.ANTI_ALIAS_FLAG); | ||
| mPaint.setColor(dividerColor); | ||
| mPaint.setStyle(Paint.Style.FILL); | ||
| } | ||
|
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||
|
|
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| //获取分割线尺寸 | ||
| @Override | ||
| public void getItemOffsets(Rect outRect, View view, RecyclerView parent, RecyclerView.State state) { | ||
| super.getItemOffsets(outRect, view, parent, state); | ||
| outRect.set(0, 0, 0, mDividerHeight); | ||
| } | ||
|
|
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| //绘制分割线 | ||
| @Override | ||
| public void onDraw(Canvas c, RecyclerView parent, RecyclerView.State state) { | ||
| super.onDraw(c, parent, state); | ||
| if (mOrientation == LinearLayoutManager.VERTICAL) { | ||
| drawVertical(c, parent); | ||
| } else { | ||
| drawHorizontal(c, parent); | ||
| } | ||
| } | ||
|
|
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| //绘制横向 item 分割线 | ||
| private void drawHorizontal(Canvas canvas, RecyclerView parent) { | ||
| final int left = parent.getPaddingLeft(); | ||
| final int right = parent.getMeasuredWidth() - parent.getPaddingRight(); | ||
| final int childSize = parent.getChildCount(); | ||
| for (int i = 0; i < childSize; i++) { | ||
| final View child = parent.getChildAt(i); | ||
| RecyclerView.LayoutParams layoutParams = (RecyclerView.LayoutParams) child.getLayoutParams(); | ||
| final int top = child.getBottom() + layoutParams.bottomMargin; | ||
| final int bottom = top + mDividerHeight; | ||
| if (mDivider != null) { | ||
| mDivider.setBounds(left, top, right, bottom); | ||
| mDivider.draw(canvas); | ||
| } | ||
| if (mPaint != null) { | ||
| canvas.drawRect(left, top, right, bottom, mPaint); | ||
| } | ||
| } | ||
| } | ||
|
|
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| //绘制纵向 item 分割线 | ||
| private void drawVertical(Canvas canvas, RecyclerView parent) { | ||
| final int top = parent.getPaddingTop(); | ||
| final int bottom = parent.getMeasuredHeight() - parent.getPaddingBottom(); | ||
| final int childSize = parent.getChildCount(); | ||
| for (int i = 0; i < childSize; i++) { | ||
| final View child = parent.getChildAt(i); | ||
| RecyclerView.LayoutParams layoutParams = (RecyclerView.LayoutParams) child.getLayoutParams(); | ||
| final int left = child.getRight() + layoutParams.rightMargin; | ||
| final int right = left + mDividerHeight; | ||
| if (mDivider != null) { | ||
| mDivider.setBounds(left, top, right, bottom); | ||
| mDivider.draw(canvas); | ||
| } | ||
| if (mPaint != null) { | ||
| canvas.drawRect(left, top, right, bottom, mPaint); | ||
| } | ||
| } | ||
| } | ||
| } |
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