1、增加问题列表显示2、重构常量函数3、增加常用颜色常量

2023-04-24 16:24:57 +08:00
parent 5d7adb0aa7
commit a5b60d3a3f
23 changed files with 471 additions and 137 deletions
--- a/app/src/main/java/com/navinfo/omqs/ui/widget/RecycleViewDivider.kt
+++ b/app/src/main/java/com/navinfo/omqs/ui/widget/RecycleViewDivider.kt
@@ -0,0 +1,144 @@
+package com.navinfo.omqs.ui.widget
+
+import android.content.Context
+import android.graphics.Canvas
+import android.graphics.Paint
+import android.graphics.Rect
+import android.graphics.drawable.Drawable
+import android.view.View
+import androidx.core.content.ContextCompat
+import androidx.recyclerview.widget.DividerItemDecoration
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+
+/**
+ * Create by --- on 2018/12/6 0006.
+ *@description:
+ */
+/**
+ * 默认分割线：高度为2px，颜色为灰色
+ *
+ * @param context
+ * @param orientation 列表方向  LinearLayoutManager.VERTICAL或LinearLayoutManager.HORIZONTAL
+ */
+class RecycleViewDivider(context: Context, private val mOrientation: Int) : RecyclerView.ItemDecoration() {
+
+    private var mPaint: Paint? = null
+    private var mDivider: Drawable? = null
+    private var mDividerHeight = 2//分割线高度，默认为1px
+
+    init {
+        if (mOrientation != LinearLayoutManager.VERTICAL && mOrientation != LinearLayoutManager.HORIZONTAL) {
+            throw IllegalArgumentException("请输入正确的参数！")
+        }
+
+        val a = context.obtainStyledAttributes(ATTRS)
+        mDivider = a.getDrawable(0)
+        a.recycle()
+    }
+
+    /**
+     * 自定义分割线
+     *
+     * @param context
+     * @param orientation 列表方向
+     * @param drawableId  分割线图片
+     */
+    constructor(context: Context, orientation: Int, drawableId: Int) : this(context, orientation) {
+        mDivider = ContextCompat.getDrawable(context, drawableId)
+        mDividerHeight = mDivider!!.intrinsicHeight
+    }
+
+    /**
+     * 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
+     */
+    constructor(context: Context, orientation: Int, dividerHeight: Int, dividerColor: Int) : this(
+        context,
+        orientation
+    ) {
+        mDividerHeight = dividerHeight
+        mPaint = Paint(Paint.ANTI_ALIAS_FLAG)
+        mPaint!!.color = dividerColor
+        mPaint!!.style = Paint.Style.FILL
+    }
+
+
+    //获取分割线尺寸
+    override fun getItemOffsets(outRect: Rect, view: View, parent: RecyclerView, state: RecyclerView.State) {
+        super.getItemOffsets(outRect, view, parent, state)
+        if (mOrientation == LinearLayoutManager.VERTICAL) {
+            outRect.set(0, 0, 0, mDividerHeight)
+        } else {
+            outRect.set(0, 0, mDividerHeight, 0)
+        }
+    }
+
+    //绘制分割线
+    override fun onDraw(c: Canvas, parent: RecyclerView, state: RecyclerView.State) {
+        super.onDraw(c, parent, state)
+        if (mOrientation == LinearLayoutManager.VERTICAL) {
+            drawVertical(c, parent)
+        } else {
+            drawHorizontal(c, parent)
+        }
+    }
+
+    /**
+     * 绘制纵向列表时的分隔线  这时分隔线是横着的
+     * 每次 left相同，top根据child变化，right相同，bottom也变化
+     * @param canvas
+     * @param parent
+     */
+    private fun drawVertical(canvas: Canvas, parent: RecyclerView) {
+        val left = parent.paddingLeft
+        val right = parent.measuredWidth - parent.paddingRight
+        val childSize = parent.childCount
+        for (i in 0 until childSize) {
+            val child = parent.getChildAt(i)
+            val layoutParams = child.layoutParams as RecyclerView.LayoutParams
+            val top = child.bottom + layoutParams.bottomMargin
+            val bottom = top + mDividerHeight
+            if (mDivider != null) {
+                mDivider!!.setBounds(left, top, right, bottom)
+                mDivider!!.draw(canvas)
+            }
+            if (mPaint != null) {
+                canvas.drawRect(left.toFloat(), top.toFloat(), right.toFloat(), bottom.toFloat(), mPaint!!)
+            }
+        }
+    }
+
+    /**
+     * 绘制横向列表时的分隔线  这时分隔线是竖着的
+     * l、r 变化； t、b 不变
+     * @param canvas
+     * @param parent
+     */
+    private fun drawHorizontal(canvas: Canvas, parent: RecyclerView) {
+        val top = parent.paddingTop
+        val bottom = parent.measuredHeight - parent.paddingBottom
+        val childSize = parent.childCount
+        for (i in 0 until childSize) {
+            val child = parent.getChildAt(i)
+            val layoutParams = child.layoutParams as RecyclerView.LayoutParams
+            val left = child.right + layoutParams.rightMargin
+            val right = left + mDividerHeight
+            if (mDivider != null) {
+                mDivider!!.setBounds(left, top, right, bottom)
+                mDivider!!.draw(canvas)
+            }
+            if (mPaint != null) {
+                canvas.drawRect(left.toFloat(), top.toFloat(), right.toFloat(), bottom.toFloat(), mPaint!!)
+            }
+        }
+    }
+
+    companion object {
+        private val ATTRS = intArrayOf(android.R.attr.listDivider)
+    }
+}