Android defend

Android_defend.java

// 檢查Java程式碼是否可以被debug的方法
public boolean isApplicationDebuggable(String paramString) {
    return (0x2 & this.context.getPackageManager().getApplicationInfo(this.context.getPackageName(), 128).flags) == 2;
}

// 檢查App是否安裝在模擬器內的方法
public boolean IsInstallEmulator() {
    try {
        if(!Build.FINGERPRINT.startsWith("generic") && !Build.FINGERPRINT.startsWith("unknown") && !Build.MODEL.contains("google_sdk") && !Build.MODEL.contains("Emulator") && !Build.MODEL.contains("Android SDK built for x86") && !Build.MANUFACTURER.contains("Genymotion")) {
            if((Build.BRAND.startsWith("generic")) && (Build.DEVICE.startsWith("generic"))) {
                return true;
            }
            if("google_sdk".equals(Build.PRODUCT)) {
                return true;
            }
            return false;
        }
        return true;
    } catch(Exception v0) {
        return false;
    }
    return false;
}

// 檢查App是否安裝在Root手機的方法
public boolean IsRootDevice() {
    try {
        String[] directory = new String[8];
        directory[0] = "/sbin/";
        directory[1] = "/system/bin/";
        directory[2] = "/system/xbin/";
        directory[3] = "/data/local/xbin/";
        directory[4] = "/data/local/bin/";
        directory[5] = "/system/sd/xbin/";
        directory[6] = "/system/bin/failsafe/";
        directory[7] = "/data/local/";
        for(int index=0; index<directory.length; index++) {
            if(new File(String.valueOf(directory[index]) + "su").exists()) {
                return true;
            }
        }
        return false;
    } catch(Exception v0) {
        return false;
    }
}

// 檢查App是否從Google Play商店安裝的方法
public boolean IsInstallFromGooglePlay() {
    return ( "com.android.vending".equals(this.context.getPackageManager().getInstallerPackageName(this.context.getPackageName())) );
}

// 檢查App是否正有deubgger連接的方法，Android API
static boolean isDebuggerConnected()