SeanZoR

public static int getVersionCode(Context ctx) {
    int versionCode = 0;

    try {
        PackageInfo pInfo = ctx.getPackageManager().getPackageInfo(
                ctx.getPackageName(), 0);
        versionCode = pInfo.versionCode;
    } catch (PackageManager.NameNotFoundException e) {
        e.printStackTrace();
    }

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public static String getDeviceUniqueId(Context ctx) {
    return Settings.Secure.getString(ctx.getContentResolver(),
            Settings.Secure.ANDROID_ID);
}

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public static void hideKeyboards(Activity activity) {
    InputMethodManager inputMethodManager = (InputMethodManager) activity.getSystemService
            (Activity.INPUT_METHOD_SERVICE);
    inputMethodManager.hideSoftInputFromWindow(activity.getCurrentFocus().getWindowToken(), 0);
}

public static void showKeyboard(Activity activity) {
    InputMethodManager imm = (InputMethodManager) activity.getSystemService(Context
            .INPUT_METHOD_SERVICE);
    imm.toggleSoftInput(0, 0);

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/**
 * This method helps getting the right langauage ISO code, which suppose to be
 * according to ISO-639-1, BUT, on some devices it still returns the deprecated ISO-639.
 * <BR>
 * Languages codes that are translated in this method:
 * <ul>
 * <li>Hebrew:  IW -> HE
 * <li>Indonesian: IN -> ID
 * <li>Yiddish: JI -> YI
 * </ul>

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public static class UnbindingHelper {

    /**
     * Removes the reference to the activity from every view in a view hierarchy (listeners,
     * images etc.).
     * This method should be called in the onDestroy() method of each activity
     *
     * @param viewID normally the id of the root layout
     *               <p/>
     *               see http://code.google.com/p/android/issues/detail?id=8488

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public static void activateStrictModeFull(){
    StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder()
            .detectAll()
            .penaltyLog()
            .build());
    StrictMode.setVmPolicy(new StrictMode.VmPolicy.Builder()
            .detectAll()
            .penaltyLog()
            .build());
}

SeanZoR

import android.content.Context;
import android.provider.Settings;
import android.util.Base64;

import javax.crypto.Cipher;
import javax.crypto.SecretKey;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.PBEKeySpec;
import javax.crypto.spec.PBEParameterSpec;

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dependencies {
    compile 'com.nostra13.universalimageloader:universal-image-loader:1.9.0'
}

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# Ignoring all of the external "org" libraries 
# (for example org.apache & org.jackson)
-keep class org.** { *; }
-dontwarn org.**

# Have more? Simply add them like the one above, 
# and change to the desired package name.

SeanZoR

android {
    defaultConfig {
    ...
        // Fetch the version according to git latest tag and "how far are we from last tag"
        def longVersionName = "git -C ${rootDir} describe --tags --long".execute().text.trim()
        def (fullVersionTag, versionBuild, gitSha) = longVersionName.tokenize('-')
        def(versionMajor, versionMinor, versionPatch) = fullVersionTag.tokenize('.')

        // Set the version name
        versionName "$versionMajor.$versionMinor.$versionPatch($versionBuild)"