PepDevils

//    http://guides.codepath.com/android/shared-element-activity-transition
//    https://medium.com/@andkulikov/animate-all-the-things-transitions-in-android-914af5477d50#.1jj56i6dy

  //Activity.class
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        Helper.MakeActivitiesTransitions(this); //sempre antes de setContent
        setContentView(R.layout.activity_tv);

PepDevils

//more on:
//    http://www.androidcodesnippets.com
//    http://www.androidsnippets.com
//    https://github.com/changer/android-utils/blob/master/Utils/app/src/main/java/nl/changer/android/opensource/Utils.java

static void TintDrawable(Context c, int drawable, int color){
        //example:       HelperUtils.TintDrawable(this, R.drawable.logo,R.color.colorPrimaryDark);
        Drawable mDrawable = null;
        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
            mDrawable = c.getResources().getDrawable(R.drawable.x, null);

PepDevils

//java
    static void PepeToast(AppCompatActivity a, String message){
        LayoutInflater inflater = a.getLayoutInflater();
        View layout = inflater.inflate(R.layout.toast_layout, (ViewGroup) a.findViewById(R.id.toast_layout_root));

        TextView text = (TextView) layout.findViewById(R.id.text);
        text.setText(message);

        Toast toast = new Toast(a);
        toast.setGravity(Gravity.CENTER_VERTICAL, 0, 0);

PepDevils

//link:
//      https://medium.com/@kevalpatel2106/how-to-decrease-your-gradle-build-time-by-65-310b572b0c43#.4rmzrcuj9
//      https://gradle.org/install

//no terminal depois de ter o device instalado uma vez, usar
./gradlew android:assembleDebug --profile --configure-on-demand --daemon
// or this "app" root file name:
./gradlew app:assembleDebug --profile --configure-on-demand --daemon

PepDevils

//java class
JustifiedTextView id_example = (JustifiedTextView) v.findViewById(R.id.id_example);

//limpar todo o "[" e "]" bem como o que está entre os mesmos.
//Usado quando o html vem com shortcodes tipo:[vc_row].
String clean_string = string_example.replaceAll("\\[.*?\\]", "");

//mostrar string com elemntos do html
 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
     id_example.setText(Html.fromHtml(newsContent, Html.FROM_HTML_MODE_COMPACT));

PepDevils

// important links
//  Retrofit 2 -  https://futurestud.io/tutorials/retrofit-getting-started-and-android-client
//  Android/Java Pojo Objects for JSON requests -   http://www.jsonschema2pojo.org

// +RxJava -  https://medium.freecodecamp.com/rxandroid-and-retrofit-2-0-66dc52725fff#.eai8dux4j
//         -  https://github.com/JakeWharton/retrofit2-rxjava2-adapter
//          - http://www.androidauthority.com/reactive-programming-with-rxandroid-711104/
//         -  https://www.learn2crack.com/2016/11/android-rxjava-2-and-retrofit.html
//          - https://www.raywenderlich.com/141980/rxandroid-tutorial
//          - https://github.com/kaushikgopal/RxJava-Android-Samples

PepDevils

// res/drawable
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle">
    <gradient
        android:startColor="@android:color/black"
        android:centerColor="@color/black_overlay"
        android:endColor="@android:color/transparent"
              
        android:angle="90"
        />

PepDevils

    @Override
    public void onBackPressed() {
        List<Fragment> all_frags = getSupportFragmentManager().getFragments();
        if(all_frags != null){
            if (all_frags.size() == 0) {
                super.onBackPressed();
            } else {
                for (Fragment frag : all_frags) {
                    getSupportFragmentManager().beginTransaction().remove(frag).commit();
                }

PepDevils

<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:background="@color/colorAccent">

    <android.support.v4.widget.NestedScrollView
        android:id="@+id/scroll"
        android:layout_width="match_parent"
        android:layout_height="match_parent"

PepDevils

    public final static int REQUEST_CODE = 1;
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_initial);

        checkDrawOverlayPermission();
    }