mirror of https://github.com/lizongying/my-tv.git
Li ZongYing
2 years ago
parent
8b33c7c94c
commit
a4da01adf4
@ -1,82 +0,0 @@ |
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package com.lizongying.mytv |
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import android.graphics.Color |
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import android.view.ContextThemeWrapper |
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import android.view.ViewGroup |
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import android.widget.ImageView |
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import androidx.leanback.widget.ImageCardView |
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import androidx.leanback.widget.Presenter |
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import androidx.lifecycle.LifecycleOwner |
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import com.bumptech.glide.Glide |
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import com.lizongying.mytv.models.TVViewModel |
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class CardPresenter( |
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private val owner: LifecycleOwner, |
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) : Presenter() { |
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override fun onCreateViewHolder(parent: ViewGroup): ViewHolder { |
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val cardView = object : |
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ImageCardView(ContextThemeWrapper(parent.context, R.style.CustomImageCardTheme)) {} |
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cardView.isFocusable = true |
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cardView.isFocusableInTouchMode = true |
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return ViewHolder(cardView) |
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} |
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override fun onBindViewHolder(viewHolder: ViewHolder, item: Any) { |
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val tvViewModel = item as TVViewModel |
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val cardView = viewHolder.view as ImageCardView |
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cardView.titleText = tvViewModel.title.value |
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cardView.setMainImageDimensions(CARD_WIDTH, CARD_HEIGHT) |
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cardView.tag = tvViewModel.videoUrl.value |
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when (tvViewModel.title.value) { |
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"CCTV8K 超高清" -> Glide.with(viewHolder.view.context) |
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.load(R.drawable.cctv8k) |
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.centerInside() |
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.into(cardView.mainImageView) |
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"天津卫视" -> Glide.with(viewHolder.view.context) |
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.load(R.drawable.tianjin) |
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.centerInside() |
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.into(cardView.mainImageView) |
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"新疆卫视" -> Glide.with(viewHolder.view.context) |
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.load(R.drawable.xinjiang) |
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.centerInside() |
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.into(cardView.mainImageView) |
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|
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"兵团卫视" -> Glide.with(viewHolder.view.context) |
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.load(R.drawable.bingtuan) |
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.centerInside() |
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.into(cardView.mainImageView) |
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else -> Glide.with(viewHolder.view.context) |
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.load(tvViewModel.logo.value) |
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.centerInside() |
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.into(cardView.mainImageView) |
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} |
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cardView.setBackgroundColor(Color.WHITE) |
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cardView.setMainImageScaleType(ImageView.ScaleType.CENTER_INSIDE) |
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tvViewModel.program.observe(owner) { _ -> |
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val program = tvViewModel.getProgramOne() |
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if (program != null) { |
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cardView.contentText = program.name |
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} |
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} |
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} |
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override fun onUnbindViewHolder(viewHolder: ViewHolder) { |
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val cardView = viewHolder.view as ImageCardView |
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cardView.mainImage = null |
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} |
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companion object { |
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private const val TAG = "CardPresenter" |
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private const val CARD_WIDTH = 300 |
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private const val CARD_HEIGHT = 101 |
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} |
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} |
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@ -0,0 +1,48 @@ |
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package com.lizongying.mytv |
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import android.content.Context |
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import android.graphics.Canvas |
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import android.graphics.Paint |
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import android.graphics.Rect |
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import android.view.View |
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import androidx.core.content.ContextCompat |
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import androidx.recyclerview.widget.RecyclerView |
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class GrayOverlayItemDecoration(private val context: Context) : RecyclerView.ItemDecoration() { |
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private val grayOverlayPaint = Paint().apply { |
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color = ContextCompat.getColor(context, R.color.gray_overlay) |
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style = Paint.Style.FILL |
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} |
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override fun onDrawOver(c: Canvas, parent: RecyclerView, state: RecyclerView.State) { |
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super.onDrawOver(c, parent, state) |
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val childCount = parent.childCount |
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for (i in 0 until childCount) { |
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val child = parent.getChildAt(i) |
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if (!child.hasFocus()) { |
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// 计算遮罩层的大小 |
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val overlayRect = Rect( |
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child.left, |
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child.top, |
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child.right, |
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child.bottom |
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) |
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// 绘制灰色遮罩层 |
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c.drawRect(overlayRect, grayOverlayPaint) |
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} |
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} |
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} |
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override fun getItemOffsets( |
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outRect: Rect, |
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view: View, |
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parent: RecyclerView, |
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state: RecyclerView.State |
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) { |
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super.getItemOffsets(outRect, view, parent, state) |
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// 在此处设置偏移量为0，以防止遮罩层影响项的布局 |
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outRect.setEmpty() |
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} |
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} |
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