up

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

@@ -26,10 +26,7 @@ import io.legado.app.lib.dialogs.alert
 import io.legado.app.lib.theme.ATH
 import io.legado.app.ui.book.source.debug.BookSourceDebugActivity
 import io.legado.app.ui.widget.KeyboardToolPop
-import io.legado.app.utils.GSON
-import io.legado.app.utils.applyTint
-import io.legado.app.utils.getViewModel
-import io.legado.app.utils.shareText
+import io.legado.app.utils.*
 import kotlinx.android.synthetic.main.activity_book_source_edit.*
 import org.jetbrains.anko.displayMetrics
 import org.jetbrains.anko.startActivity
@@ -89,7 +86,10 @@ class BookSourceEditActivity :
             }
             R.id.menu_paste_source -> viewModel.pasteSource { upRecyclerView(it) }
             R.id.menu_share_str -> GSON.toJson(getSource())?.let { sourceStr ->
-                shareText("分享书源", sourceStr)
+                shareText(getString(R.string.share_book_source), sourceStr)
+            }
+            R.id.menu_share_qr -> GSON.toJson(getSource())?.let { sourceStr ->
+                shareWithQr(getString(R.string.share_book_source), sourceStr)
             }
             R.id.menu_rule_summary -> {
                 try {

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

@@ -22,10 +22,7 @@ import io.legado.app.lib.dialogs.alert
 import io.legado.app.lib.theme.ATH
 import io.legado.app.ui.rss.source.debug.RssSourceDebugActivity
 import io.legado.app.ui.widget.KeyboardToolPop
-import io.legado.app.utils.GSON
-import io.legado.app.utils.applyTint
-import io.legado.app.utils.getViewModel
-import io.legado.app.utils.shareText
+import io.legado.app.utils.*
 import kotlinx.android.synthetic.main.activity_rss_source_edit.*
 import org.jetbrains.anko.displayMetrics
 import org.jetbrains.anko.startActivity
@@ -105,7 +102,10 @@ class RssSourceEditActivity :
             }
             R.id.menu_paste_source -> viewModel.pasteSource { upRecyclerView(it) }
             R.id.menu_share_str -> GSON.toJson(getRssSource())?.let { sourceStr ->
-                shareText("分享RSS源", sourceStr)
+                shareText(getString(R.string.share_rss_source), sourceStr)
+            }
+            R.id.menu_share_qr -> GSON.toJson(getRssSource())?.let { sourceStr ->
+                shareWithQr(getString(R.string.share_rss_source), sourceStr)
             }
         }
         return super.onCompatOptionsItemSelected(item)

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

@@ -1,16 +1,25 @@
 package io.legado.app.utils
 
+import android.annotation.SuppressLint
 import android.content.Context
 import android.content.Intent
 import android.content.res.ColorStateList
+import android.graphics.Bitmap
 import android.graphics.drawable.Drawable
 import androidx.annotation.ColorRes
 import androidx.annotation.DrawableRes
 import androidx.core.content.ContextCompat
+import androidx.core.content.FileProvider
 import androidx.core.content.edit
+import cn.bingoogolapple.qrcode.zxing.QRCodeEncoder
+import com.google.zxing.EncodeHintType
+import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel
+import io.legado.app.BuildConfig
 import io.legado.app.R
 import org.jetbrains.anko.defaultSharedPreferences
 import org.jetbrains.anko.toast
+import java.io.File
+import java.io.FileOutputStream
 
 fun Context.getPrefBoolean(key: String, defValue: Boolean = false) =
     defaultSharedPreferences.getBoolean(key, defValue)
@@ -75,6 +84,37 @@ fun Context.shareText(title: String, text: String) {
     }
 }
 
+@SuppressLint("SetWorldReadable")
+fun Context.shareWithQr(title: String, text: String) {
+    QRCodeEncoder.HINTS[EncodeHintType.ERROR_CORRECTION] = ErrorCorrectionLevel.L
+    val bitmap = QRCodeEncoder.syncEncodeQRCode(text, 600)
+    QRCodeEncoder.HINTS[EncodeHintType.ERROR_CORRECTION] = ErrorCorrectionLevel.H
+    if (bitmap == null) {
+        toast(R.string.text_too_long_qr_error)
+    } else {
+        try {
+            val file = File(externalCacheDir, "qr.png")
+            val fOut = FileOutputStream(file)
+            bitmap.compress(Bitmap.CompressFormat.PNG, 100, fOut)
+            fOut.flush()
+            fOut.close()
+            file.setReadable(true, false)
+            val contentUri = FileProvider.getUriForFile(
+                this,
+                "${BuildConfig.APPLICATION_ID}.fileProvider",
+                file
+            )
+            val intent = Intent(Intent.ACTION_SEND)
+            intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK
+            intent.putExtra(Intent.EXTRA_STREAM, contentUri)
+            intent.type = "image/png"
+            startActivity(Intent.createChooser(intent, title))
+        } catch (e: Exception) {
+            toast(e.localizedMessage ?: "ERROR")
+        }
+    }
+}
+
 val Context.isNightTheme: Boolean
     get() = getPrefBoolean("isNightTheme")
 

app/src/main/res/menu/source_edit.xml

@@ -35,7 +35,7 @@
         app:showAsAction="never" />
 
     <item
-        android:id="@+id/menu_share_it"
+        android:id="@+id/menu_share_qr"
         android:title="@string/qr_share"
         app:showAsAction="never" />
 

app/src/main/res/values/strings.xml

@@ -579,5 +579,8 @@
     <string name="prev_sentence">上一句</string>
     <string name="next_sentence">下一句</string>
     <string name="other_folder">其它目录</string>
+    <string name="text_too_long_qr_error">文字太多,生成二维码失败</string>
+    <string name="share_rss_source">分享RSS源</string>
+    <string name="share_book_source">分享书源</string>
 
 </resources>