2013-12-10 91 views
3

我試圖讓Scandit在Android Studio中工作 - 我使用Eclipse進行工作,但是當我在Android工作室中嘗試它時,我得到一個UnsatisfiedLinkErrorScandit不能在Android Studio工作(僅適用於Eclipse)

我使用的版本是scandit SDK社區android 3.5.2。用android studio 0.3.7和android 4.4 kitkat。

我在android工作室(最新版本)中嘗試了它,遵循與我的eclipse測試用例相同的步驟,但是我的應用程序崩潰了。在logcat中顯示:

java.lang.UnsatisfiedLinkError: Couldn't load scanditsdk-android-3.5.2 from loader dalvik.system.PathClassLoader[DexPathList[[zip file "/data/app/com.zipier.qr_scanner_scandit-1.apk"],nativeLibraryDirectories=[/data/app-lib/com.zipier.qr_scanner_scandit-1, /vendor/lib, /system/lib]]]: findLibrary returned null 
     at java.lang.Runtime.loadLibrary(Runtime.java:358) 
     at java.lang.System.loadLibrary(System.java:526) 
     at com.mirasense.scanditsdk.ScanditSDKBarcodePicker.initializeRecognitionEngine(ScanditSDKBarcodePicker.java:1298) 
     at com.mirasense.scanditsdk.ScanditSDKBarcodePicker.<init>(ScanditSDKBarcodePicker.java:330) 
     at com.mirasense.scanditsdk.ScanditSDKAutoAdjustingBarcodePicker.<init>(ScanditSDKAutoAdjustingBarcodePicker.java:59) 
     at com.zipier.qr_scanner_scandit.MainActivity.initializeAndStartBarcodeScanning(MainActivity.java:41) 
     at com.zipier.qr_scanner_scandit.MainActivity.onCreate(MainActivity.java:21) 
     at android.app.Activity.performCreate(Activity.java:5231) 
     at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087) 
     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2159) 
     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2245) 
     at android.app.ActivityThread.access$800(ActivityThread.java:135) 
     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196) 
     at android.os.Handler.dispatchMessage(Handler.java:102) 
     at android.os.Looper.loop(Looper.java:136) 
     at android.app.ActivityThread.main(ActivityThread.java:5017) 
     at java.lang.reflect.Method.invokeNative(Native Method) 
     at java.lang.reflect.Method.invoke(Method.java:515) 
     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779) 
     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595) 
     at dalvik.system.NativeStart.main(Native Method) 

這是我的源代碼:

public class MainActivity extends Activity implements ScanditSDKListener { 
    private ScanditSDK mBarcodePicker; 
    public static final String sScanditSdkAppKey = "pQqIxjG4EeOA8nxhinmFTJUHoJZP168Vn1rCM65paHw"; 

    static { 
     System.loadLibrary("libscanditsdk-android-3.5.2"); 
    } 

    @Override 
    protected void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     initializeAndStartBarcodeScanning(); 
    } 

    @Override 
    protected void onPause() { 
     mBarcodePicker.stopScanning(); 
     super.onPause(); 
    } 

    @Override 
    protected void onResume() { 
     mBarcodePicker.startScanning(); 
     super.onResume(); 
    } 


    public void initializeAndStartBarcodeScanning() { 
     getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); 
     requestWindowFeature(Window.FEATURE_NO_TITLE); 

     ScanditSDKAutoAdjustingBarcodePicker picker = new ScanditSDKAutoAdjustingBarcodePicker(this, sScanditSdkAppKey, ScanditSDKAutoAdjustingBarcodePicker.CAMERA_FACING_FRONT); 

     setContentView(picker); 
     mBarcodePicker = picker; 

     mBarcodePicker.getOverlayView().addListener(this); 
    } 

    public void didScanBarcode(String barcode, String symbology) { 
     String cleanedBarcode = ""; 
     for (int i = 0; i < barcode.length(); i++) { 
      if (barcode.charAt(i) > 30) { 
       cleanedBarcode += barcode.charAt(i); 
      } 
     } 

     if (symbology.equals("QR")) { 
      Toast.makeText(this, cleanedBarcode, Toast.LENGTH_LONG).show(); 
     } 
    } 

    @Override 
    public void didCancel() { 
     mBarcodePicker.stopScanning(); 
     finish(); 
    } 

    @Override 
    public void onBackPressed() { 
     mBarcodePicker.stopScanning(); 
     finish(); 
    } 

    @Override 
    public void didManualSearch(String arg0) { 
     // TODO Auto-generated method stub 

    } 
} 
+1

Android Studio尚不支持本地庫。請參閱http://stackoverflow.com/questions/16667903/android-studio-gradle-and-ndk。 –

+1

不是真的我得到它與Ethan的答案合作。 – MinceMan

回答

5

它的工作現在。 Scandit團隊的Moritz非常有幫助。他寄給我這個鏈接:https://stackoverflow.com/a/17730219

這裏的修復:

  1. 放。所以一個lib/armeabi文件夾結構中(LIB不LIBS)
  2. 壓縮起來
  3. 將其添加到項目的libs文件夾
  4. 更改build.gradle文件進行編譯

在我的測試中,Scandit比其他qr代碼閱讀器(如zxing)運行得更好更快。

+0

關鍵是壓縮lib文件夾,所以我有一個lib.zip。 – MinceMan

+0

如果您正在推進,您可能需要將擴展​​更改爲jar。 – MinceMan

+0

太棒了!這對我有效!謝謝!! – Dim13i

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