android 8 0 apk

Achieve Android dynamic APK loading (Fragment or Activity implementation) Recently, due to the project being too large, compilation and translation failed (Android seems to have a limit on the number of methods in an application), so I have been wondering whether to dynamically load the APK of some modules without ins

is a Java bytecode file generated after Java source code compilation. Dex is the full name of Dalvik VM executes, that is, the android Dalvik execution program, not the Java me bytecode but the Dalvik bytecode.• Resources. ARSCThe compiled binary resource file.• META-INF catalogThe META-INF directory stores signature information to ensure the integrity of the APK package and system security. When eclipse c

();MessageDigest msgDigest = null;try {msgDigest = MessageDigest.getInstance("SHA-1");byte[] bytes = new byte[1024];int byteCount;FileInputStream fis = new FileInputStream(new File(apkPath)); while ((byteCount = fis.read(bytes)) > 0){msgDigest.update(bytes, 0, byteCount);} BigInteger bi = new BigInteger(1, msgDigest.digest());String sha = bi.toString(16);fis.close();//这里添加从服务器中获取哈希值然后进行对比校验} catch (Exceptio

) Open our Jar file with Jd-gui to see the source code of our apk oncreate function. As follows:(4) We then add the Impossible Special Branch statement in the APK oncreate function, the code is as follows: 123456789101112131415161718192021222324 @OverrideprotectedvoidonCreate(BundlesavedInstanceState){super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);switch(

Respect for the original: http://blog.csdn.net/yuanzeyao/article/details/38565345Recently due to the project is too large, resulting in the compilation pass (Android to an application of the number of methods seems to be limited), so has been wondering whether some of the modules can not install the APK, dynamic loading, through the Internet to find information and the help of netizens, finally realize the

;}public void Setmaaptpath (String maaptpath) {This.maaptpath = Maaptpath;}}Get the size of the APK file:1: Convert the file stream from apk to byte array/*** Data Flow byte array** @param fileinputstream* @return*/public static byte[] Getbytebyinputstream (InputStream fileinputstream) {Bytearrayoutputstream BAOs = new Bytearrayoutputstream ();int read = 0;byte[]

= Getpackagecodepath (); messagedigest msgdigest = null; try { msgdigest = Messagedigest.getinstance ("SHA-1"); byte[] bytes = new Byte[1024];int bytecount; fileinputstream fis = new FileInputStream (new File (Apkpath)); while ((byteCount = fis.read (bytes)) > 0) { msgdigest.update (bytes, 0, ByteCount); }nBsp;biginteger bi = new BigInteger (1, Msgdigest.digest ()); string sha = bi.tostring (+); fis.close

(R.layout.activity_main);String apkPath = getPackageCodePath();MessageDigest msgDigest =null;try{msgDigest = MessageDigest.getInstance("SHA-1");byte[] bytes =new byte[1024];intbyteCount;FileInputStream fis =new FileInputStream(newFile(apkPath));while((byteCount = fis.read(bytes)) > 0){msgDigest.update(bytes,0, byteCount);}BigInteger bi =new BigInteger(1, msgDigest.digest());String sha = bi.toString(16);fis.

Precautions for installing APK on Android Simulators For example, the steps for installing the APK file on the PC-side Android simulator are also available on the Internet by Google. I am recording a mistake I made at the beginning, that is, before installing the APK file wi

fact, it is also relatively simple, just do it. First, let's talk about my ideas. If you want to add a control on the Android screen to display the correct serial number, you may need to modify the layout. It doesn't matter if you are in trouble. Therefore, I personally think the most secure way is to use the Log class. So my idea is to print the serial number error message. At the same time, output the correct serial number to logcat through Log. d.

"} buildtypes {release {minifyenabledfalseproguardfiles Getdefaultproguardfile ('Proguard-android.txt'),'Proguard-rules.pro'}} productflavors{develop{} xiaomi{} huawei{} anzhi{}} ANDROID.APPL Icationvariants.all {Variant-Variant.outputs.each {Output-def OutputFile=Output.outputfileif(OutputFile! =NULL OutputFile.name.endsWith ('. apk')) { //here to modify the APK filenamedef fileName ="demo_$