Thursday, April 14, 2016

Collapsing Toolbars Android

add
compile 'com.android.support:cardview-v7:23.2.1'
compile 'com.android.support:design:23.2.0' to gradle file 

layout
 
<?xml version="1.0" encoding="utf-8"?>
 <android.support.design.widget.CoordinatorLayout 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:fitsSystemWindows="true">

    <android.support.design.widget.AppBarLayout 
     android:id="@+id/app_bar_layout" 
     android:layout_width="match_parent" 
     android:layout_height="wrap_content" 
     android:fitsSystemWindows="true" 
     android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar">

        <android.support.design.widget.CollapsingToolbarLayout 
         android:id="@+id/collapsing_toolbar" 
         android:layout_width="match_parent" 
         android:layout_height="match_parent" 
         android:fitsSystemWindows="true" 
         app:contentScrim="?attr/colorPrimary" 
         app:expandedTitleMarginEnd="64dp" 
         app:expandedTitleMarginStart="48dp" 
         app:layout_scrollFlags="scroll|exitUntilCollapsed">

            <ImageView 
               android:id="@+id/image" 
               android:layout_width="match_parent" 
               android:layout_height="wrap_content" 
               android:fitsSystemWindows="true" 
               android:scaleType="centerCrop" 
               android:src="@drawable/tiger" 
               app:layout_collapseMode="parallax" />

            <android.support.v7.widget.Toolbar 
              android:id="@+id/toolbar" 
              android:layout_width="match_parent" 
              android:layout_height="?attr/actionBarSize" 
              app:layout_collapseMode="pin" 
              app:popupTheme="@style/ThemeOverlay.AppCompat.Light" />

        </android.support.design.widget.CollapsingToolbarLayout>

    </android.support.design.widget.AppBarLayout>

    <android.support.v4.widget.NestedScrollView 
       android:id="@+id/scroll" 
       android:layout_width="match_parent" 
       android:layout_height="match_parent" 
       android:clipToPadding="false" 
       app:layout_behavior="@string/appbar_scrolling_view_behavior">


        <android.support.v7.widget.CardView 
          android:layout_width="match_parent" 
          android:layout_height="wrap_content" 
          android:layout_marginTop="24dp" 
          app:cardElevation="6dp" 
         app:cardUseCompatPadding="true">

            <LinearLayout 
              android:layout_width="match_parent" 
              android:layout_height="wrap_content" 
              android:orientation="vertical">

                <TextView
                    android:id="@+id/description" 
                    android:layout_width="match_parent" 
                    android:layout_height="wrap_content" 
                    android:layout_margin="30dp" 
                    android:text="description" 
                    android:textAppearance="@style/TextAppearance.AppCompat.Body1" />

            </LinearLayout>
        </android.support.v7.widget.CardView>
    </android.support.v4.widget.NestedScrollView>
</android.support.design.widget.CoordinatorLayout>
 
 
MainActivity
 
 
public class MainActivity extends AppCompatActivity {

    @Override    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        CollapsingToolbarLayout collapsingToolbarLayout = 
       (CollapsingToolbarLayout) findViewById(R.id.collapsing_toolbar);
//        show the title for the ToolBar and it looks like 
        collapsingToolbarLayout.setTitle("Collapsing");
//        adding transparency 
        collapsingToolbarLayout.setExpandedTitleColor(getResources().getColor(android.R.color.transparent));
//        Adding parallax color 
        collapsingToolbarLayout.setContentScrimColor(Color.BLUE);
        collapsingToolbarLayout.setStatusBarScrimColor(Color.GREEN);
    }
}

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