EmmanuelGuther’s gists

EmmanuelGuther / android_aes_encrpytor.java

Created January 25, 2018 07:09 — forked from sdogruyol/android_aes_encrpytor.java

AES Encryption Singleton Class in Android Using CBC / PKCS7Padding

	import java.io.UnsupportedEncodingException;
	import java.security.InvalidAlgorithmParameterException;
	import java.security.InvalidKeyException;
	import java.security.NoSuchAlgorithmException;
	import javax.crypto.BadPaddingException;
	import javax.crypto.Cipher;
	import javax.crypto.IllegalBlockSizeException;
	import javax.crypto.NoSuchPaddingException;
	import javax.crypto.spec.IvParameterSpec;
	import javax.crypto.spec.SecretKeySpec;

EmmanuelGuther / RepeteableTransitionDrawable.kt

Created January 26, 2018 10:22

	/**
	* Created by emmanuelguther on 26/01/2018.
	*/

	class RepeteableTransitionDrawable(layers: Array<Drawable>) : LayerDrawable(layers) {

	/**
	* The current state ofx the transition. One of [.TRANSITION_STARTING], [.TRANSITION_RUNNING] and [.TRANSITION_NONE]
	*/
	private var mTransitionState = TRANSITION_NONE

EmmanuelGuther / rename_remote_branch.sh

Created February 6, 2018 11:09


	git branch -m old_branch new_branch # Rename branch locally
	git push origin :old_branch # Delete the old branch
	git push --set-upstream origin new_branch # Push the new branch, set local branch to track the new remote

EmmanuelGuther / activity.kt

Created February 8, 2018 09:59

communicate activity with fragment



	fun sendToFragment(message: String) {
	FooFragment.foo(message, fooFragmentInstance as FooFragment)
	}

EmmanuelGuther / CapitalizeFirstLetter.kt

Last active February 15, 2018 09:54

When you want to make sure that a string starts with a capital letter and follows it lowercase

fun capitalizeFirstLetter(string: String?): String? = string?.substring(0, 1)?.toUpperCase() + string?.substring(1)?.toLowerCase()

EmmanuelGuther / AccountAuthenticator.java

Created February 19, 2018 12:58 — forked from burgalon/AccountAuthenticator.java

Implementing OAuth2 with AccountManager, Retrofit and Dagger

	public class AccountAuthenticator extends AbstractAccountAuthenticator {

	private final Context context;
	@Inject @ClientId String clientId;
	@Inject @ClientSecret String clientSecret;
	@Inject ApiService apiService;

	public AccountAuthenticator(Context context) {
	super(context);

EmmanuelGuther / ImagePicker.java

Created February 19, 2018 18:55 — forked from Mariovc/ ImagePicker.java

Utility for picking an image from Gallery/Camera with Android Intents

	import android.app.Activity;
	import android.content.Context;
	import android.content.Intent;
	import android.content.pm.ResolveInfo;
	import android.content.res.AssetFileDescriptor;
	import android.database.Cursor;
	import android.graphics.Bitmap;
	import android.graphics.BitmapFactory;
	import android.graphics.Matrix;
	import android.media.ExifInterface;

EmmanuelGuther / RetrofitGetAPIWithAuth.kt

Last active October 11, 2024 10:11

Get rest api with Auth - token and using okhttp Authenticator to manage the refresh token

	object RetrofitGetAPIWithAuth {
	private val BASE_URL = BuildConfig.API_BASE
	private var retrofit: Retrofit? = null
	private val tokenLoginModel: TokenLoginModel? = obtainTokenLoginModel()
	private val accessToken = tokenLoginModel?.access_token

	class HeaderInterceptor : Interceptor {
	@Throws(IOException::class)
	override fun intercept(chain: Interceptor.Chain): Response {
	var request = chain.request()

EmmanuelGuther / roundedBitmap.kt

Created April 15, 2018 08:38

Kotlin function to transform bitmap into roundedBitmap

	fun roundedBitmap(bitmap: Bitmap): RoundedBitmapDrawable {
	val roundedBitmapDrawable = RoundedBitmapDrawableFactory.create(Resources.getSystem(), bitmap)
	roundedBitmapDrawable.isCircular = true
	roundedBitmapDrawable.cornerRadius = Math.max(bitmap.width, bitmap.height) / 2.0f
	return roundedBitmapDrawable

	}

Emmanuel G EmmanuelGuther