hilfritz

// Slide up animation

<?xml version="1.0" encoding="utf-8"?> <set xmlns:android="http://schemas.android.com/apk/res/android" >

    <translate
        android:duration="@android:integer/config_mediumAnimTime"
        android:fromYDelta="100%"
        android:interpolator="@android:anim/accelerate_interpolator"
        android:toXDelta="0" />

hilfritz

Android REST Controller with Cache-Control

Android REST Controller with Simple Cache Control Headers using Retrofit 1.9.0 + OkHttp 2.2.0

hilfritz

public Bundle convertMapToBundle(Map<String, String> data){
        Bundle bundle = new Bundle();
        for (Map.Entry<String, String> entry : data.entrySet()) {
            bundle.putString(entry.getKey(), entry.getValue());
        }
        return bundle;
}

hilfritz

class ViewUtil {
    fun disableButtonsTemporarily(viewList:ArrayList<View>){
        try{
            //DISABLE THE VIEW
            updateViewsClickableAttribute(viewList, false)

            //ENABLE THE VIEWS
            val handler = Handler()
            handler.postDelayed( {
                // Do something after 5s = 5000ms

hilfritz

//https://cheesecakelabs.com/blog/using-viper-architecture-android/
class LoginContracts {
  interface View {
    //1. this are the methods the presenter the contract can call (for displaying data)
    // - implemented by fragment/activity/view
    fun goToHomeScreen(user: User)
    fun showError(message: String)
  }

  interface Presenter {

hilfritz

-------------------------------------------------------------------
------------------------build.gradle-------------------------------
-------------------------------------------------------------------
/**
* RxJava2 and RxAndroid2 gradle setup
    implementation 'com.android.support:design:26.1.0'
    compile group: 'io.reactivex.rxjava2', name: 'rxjava', version: '2.1.5'
    compile 'io.reactivex.rxjava2:rxandroid:2.0.1'
*/

hilfritz

/**
* Usage:
*        val limit0to24 = EditTextInputFilter(0, 23)
*        val limitChars = EditTextInputFilter(arrayListOf("a","b","c","d","e","f","g","h", "ab", "cd"))
*        input1.setFilters(arrayOf(limit0to24))
*        input2.setFilters(arrayOf(limitChars))
* 
*/

class EditTextInputFilter : InputFilter {

hilfritz

private void animateCountdown(final View textView){
        ValueAnimator valueAnimator = ValueAnimator.ofFloat(1f, 0f);
        valueAnimator.setDuration(800);
        valueAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
            @Override
            public void onAnimationUpdate(ValueAnimator animation) {
                float alpha = Float.parseFloat(animation.getAnimatedValue().toString());
                textView.setAlpha(alpha);
            }
        });

hilfritz

//recyclerview list item layout xml with scrollable textview
<LinearLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    xmlns:card_view="http://schemas.android.com/apk/res-auto"
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:orientation="vertical"
    >            <TextView

hilfritz

//kotlin code
editText.
                filters = arrayOf<InputFilter>(object : InputFilter.AllCaps() {
            override fun filter(source: CharSequence, start: Int, end: Int, dest: Spanned, dstart: Int, dend: Int): CharSequence {
                return source.toString().toLowerCase()
            }
        })
        
//xml layout
<?xml version="1.0" encoding="utf-8"?>