獲取apk文件的簽名信息(未安裝, 只是一個apk文件)
/*** get signature of an apk file * this method will execute quit a long time, so it is suitable to call it in sub thread * @param context * @param apkFilePath * @return signature , null if there is no signature , or apkFilePath is wrong */ public static String getSignatureOfApk(Context context, String apkFilePath){ Log.i(TAG, "SignatureUtils.getSignatureOfApk"); if (TextUtils.isEmpty(apkFilePath)) return null; PackageManager pm = context.getPackageManager(); PackageInfo pi = pm.getPackageArchiveInfo(apkFilePath, PackageManager.GET_SIGNATURES); Signature[] signatures = pi.signatures; if(signatures != null && signatures.length > 0){ String signature = signatures[0].toCharsString(); Log.i(TAG, "Signature of " + apkFilePath + " is : " + signature); return signature; } return null; } </pre>
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