На чем сейчас программируют под андроид: Java или Python?
homehome.testandengine.org.andengine.engine.Engine
<ProgressBar
android:indeterminate="false" <--------
android:layout_width="wrap_content"
android:layout_height="wrap_content" />ProgressBar#setIndeterminate(true|false)
android.os
<android.support.v4.widget.DrawerLayout
android:id="@+id/drawer_layout"
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.design.widget.CoordinatorLayout
android:id="@+id/main_content"
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.v4.view.ViewPager
android:id="@+id/pager"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="@string/appbar_scrolling_view_behavior" />
<android.support.design.widget.AppBarLayout
android:id="@+id/app_bar"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
app:layout_scrollFlags="scroll|enterAlways" />
<android.support.design.widget.TabLayout
android:id="@+id/tab_layout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="?attr/colorPrimary"
app:tabContentStart="@dimen/keyline_1"
app:tabIndicatorColor="@android:color/white"
app:tabMode="scrollable"
app:tabSelectedTextColor="@color/body_text_1_inverse"
app:tabTextColor="@color/body_text_2_inverse" />
</android.support.design.widget.AppBarLayout>
<!--suppress AndroidElementNotAllowed -->
<include
layout="@layout/partial_fab_shopping_cart"
app:layout_anchor="@id/pager" />
</android.support.design.widget.CoordinatorLayout>
<include layout="@layout/navdrawer" />
</android.support.v4.widget.DrawerLayout>в android studio прозрачный статус-бар
String newText = field.getText() + "a";
field.setText(newText);