优化

app/src/main/java/io/legado/app/ui/book/source/edit/BookSourceEditActivity.kt

@@ -12,6 +12,7 @@ import android.widget.PopupWindow
 import androidx.activity.viewModels
 import androidx.recyclerview.widget.LinearLayoutManager
 import com.google.android.material.tabs.TabLayout
+import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel
 import io.legado.app.R
 import io.legado.app.base.VMBaseActivity
 import io.legado.app.constant.AppConst
@@ -112,7 +113,8 @@ class BookSourceEditActivity :
             R.id.menu_share_str -> share(GSON.toJson(getSource()))
             R.id.menu_share_qr -> shareWithQr(
                 GSON.toJson(getSource()),
-                getString(R.string.share_book_source)
+                getString(R.string.share_book_source),
+                ErrorCorrectionLevel.L
             )
             R.id.menu_help -> showRuleHelp()
             R.id.menu_login -> getSource().let {

app/src/main/java/io/legado/app/ui/rss/source/edit/RssSourceEditActivity.kt

@@ -10,6 +10,7 @@ import android.view.ViewTreeObserver
 import android.widget.EditText
 import android.widget.PopupWindow
 import androidx.activity.viewModels
+import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel
 import io.legado.app.R
 import io.legado.app.base.VMBaseActivity
 import io.legado.app.constant.AppConst
@@ -117,7 +118,8 @@ class RssSourceEditActivity :
             R.id.menu_share_str -> share(GSON.toJson(getRssSource()))
             R.id.menu_share_qr -> shareWithQr(
                 GSON.toJson(getRssSource()),
-                getString(R.string.share_rss_source)
+                getString(R.string.share_rss_source),
+                ErrorCorrectionLevel.L
             )
             R.id.menu_help -> showRuleHelp()
         }

app/src/main/java/io/legado/app/utils/ContextExtensions.kt

@@ -21,6 +21,7 @@ import androidx.core.content.ContextCompat
 import androidx.core.content.FileProvider
 import androidx.core.content.edit
 import androidx.preference.PreferenceManager
+import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel
 import io.legado.app.R
 import io.legado.app.constant.AppConst
 import java.io.File
@@ -146,8 +147,12 @@ fun Context.share(text: String, title: String = getString(R.string.share)) {
 }
 
 @SuppressLint("SetWorldReadable")
-fun Context.shareWithQr(text: String, title: String = getString(R.string.share)) {
-    val bitmap = QRCodeUtils.createQRCode(text)
+fun Context.shareWithQr(
+    text: String,
+    title: String = getString(R.string.share),
+    errorCorrectionLevel: ErrorCorrectionLevel = ErrorCorrectionLevel.H
+) {
+    val bitmap = QRCodeUtils.createQRCode(text, errorCorrectionLevel = errorCorrectionLevel)
     if (bitmap == null) {
         toastOnUi(R.string.text_too_long_qr_error)
     } else {

app/src/main/java/io/legado/app/utils/QRCodeUtils.kt

@@ -28,7 +28,7 @@ object QRCodeUtils {
      * @param heightPix 二维码的高
      * @param logo 二维码中间的logo
      * @param ratio  logo所占比例 因为二维码的最大容错率为30%，所以建议ratio的范围小于0.3
-     * @return
+     * @param errorCorrectionLevel
      */
     fun createQRCode(
         content: String,