小编And*_*tti的帖子

我不明白为什么会发生这种异常.

在我的Main活动中,在onCreate方法中,我首先得到了这个代码:

   try {
        PackageInfo info = this.getPackageManager().getPackageInfo("com.mypacket", PackageManager.GET_SIGNATURES);

        for (Signature signature : info.signatures) {
            MessageDigest md = MessageDigest.getInstance("SHA");
            md.update(signature.toByteArray());
            Log.e("Hash", Base64.encodeToString(md.digest(), Base64.DEFAULT));
        }
    } catch (NameNotFoundException e) {
        Log.e("Hash", "Error: NameNotFoundException");
        e.printStackTrace();

    } catch (NoSuchAlgorithmException e) {
        Log.e("Hash", "Error: NoSuchAlgorithmException");
    }

NameNotFoundException例外,我想解决它,因为我认为它会导致Facebook SDK出现问题.

谢谢你们.

如果有帮助,这是我的AndroidManifest.xml

    <manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.myPackageName.app"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="14"
        android:targetSdkVersion="17" />

    <supports-screens android:anyDensity="true"
                    android:largeScreens="true"
                    android:normalScreens="true"
                    android:smallScreens="true"
                    android:xlargeScreens="true" />                     

    <permission android:name="com.myPackageName.app.permission.MAPS_RECEIVE" android:protectionLevel="signature"/>
    <uses-permission android:name="com.myPackageName.app.permission.MAPS_RECEIVE"/>
    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
    <uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES"/>
    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" …