UI: Use offsetByCodePoints to fix result is noto when getting first char

Signed-off-by: Fung Gwo <fython@163.com>

Author: fython

mobile/src/main/kotlin/info/papdt/express/helper/model/Kuaidi100Package.kt

@@ -88,6 +88,17 @@ class Kuaidi100Package() : Parcelable {
         data = parcel.createTypedArrayList(Status.CREATOR)
     }
 
+    fun getFirstChar(): String {
+        return try {
+            name?.substring(
+                    name!!.offsetByCodePoints(0, 0),
+                    name!!.offsetByCodePoints(0, 1)
+            )
+        } catch (e: Exception) {
+            name?.substring(0, 1)
+        } ?: ""
+    }
+
     fun getState(): Int {
         return if (state != null) state!!.toInt() else STATUS_FAILED
     }

mobile/src/main/kotlin/info/papdt/express/helper/ui/HomeActivity.kt

@@ -15,7 +15,6 @@ import android.util.Log
 import android.view.*
 import android.widget.*
 import androidx.asynclayoutinflater.view.AsyncLayoutInflater
-import androidx.coordinatorlayout.widget.CoordinatorLayout
 import com.google.android.material.appbar.AppBarLayout
 import com.google.android.material.bottomsheet.BottomSheetBehavior
 import com.google.android.material.snackbar.Snackbar
@@ -86,9 +85,6 @@ class HomeActivity : AbsActivity(), OnRefreshListener {
 
     }
 
-    private val coordinatorLayout by lazy<CoordinatorLayout> {
-        findViewById(R.id.coordinator_layout)
-    }
     private val appBarLayout by lazy<AppBarLayout> { findViewById(R.id.app_bar_layout) }
     private val refreshLayout by lazy<SmartRefreshLayout> { findViewById(R.id.refresh_layout) }
     private val listView by lazy<RecyclerView> { findViewById(android.R.id.list) }

mobile/src/main/kotlin/info/papdt/express/helper/ui/items/PackageItemViewBinder.kt

@@ -94,7 +94,7 @@ object PackageItemViewBinder
                     typeface = Typeface.DEFAULT
                     paint.isFakeBoldText = true
                     if (item.name?.isNotEmpty() == true) {
-                        text = item.name!!.substring(0, 1).toUpperCase()
+                        text = item.getFirstChar()
                     } else if (item.companyChineseName?.isNotEmpty() == true) {
                         text = item.companyChineseName!!.substring(0, 1).toUpperCase()
                     }

mobile/src/main/kotlin/info/papdt/express/helper/ui/launcher/ListFactory.kt

@@ -71,7 +71,7 @@ class ListFactory(private val mContext: Context, intent: Intent) : RemoteViewsSe
 		}
 
 		/** Set CircleImageView  */
-		views.setTextViewText(R.id.tv_first_char, p.name!!.substring(0, 1))
+		views.setTextViewText(R.id.tv_first_char, p.getFirstChar())
 		val packagePalette = p.getPaletteFromId()
 		val b = ScreenUtils.drawableToBitmap(ColorDrawable(packagePalette["100"]))
 		views.setImageViewBitmap(R.id.iv_logo, b)