feat: 优化代码

app/src/main/java/io/legado/app/ui/widget/text/MultilineTextView.kt

@@ -0,0 +1,27 @@
+package io.legado.app.ui.widget.text
+
+import android.content.Context
+import android.graphics.Canvas
+import android.util.AttributeSet
+import androidx.appcompat.widget.AppCompatTextView
+
+class MultilineTextView(context: Context?, attrs: AttributeSet?) :
+    AppCompatTextView(context, attrs) {
+
+    private var calculatedLines = false
+
+    override fun onDraw(canvas: Canvas?) {
+        if (!calculatedLines) {
+            calculateLines();
+            calculatedLines = true;
+        }
+        super.onDraw(canvas)
+    }
+
+    private fun calculateLines() {
+        val mHeight = measuredHeight
+        val lHeight = lineHeight
+        val lines = mHeight / lHeight
+        setLines(lines)
+    }
+}

app/src/main/res/layout/item_search.xml

@@ -75,7 +75,7 @@
             android:textColor="@color/tv_text_default"
             android:textSize="12sp" />
 
-        <TextView
+        <io.legado.app.ui.widget.text.MultilineTextView
             android:id="@+id/tv_introduce"
             android:layout_width="match_parent"
             android:layout_height="match_parent"