Material Design

Backwards Compatibility

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• Mobile Development • Android • iOS

• REST-Api Design • Cloud Infrastructure

About Me

+Angelo Rüggeberg

@s3xy4ngyc

http://s3xy4ngyc.github.io

Sample app• Source Available at

Github: https://github.com/s3xy4ngyc/Android-L-Samples

• Available at Google Play: https://play.google.com/store/apps/details?id=s3xy.de.lsamples

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Distribution

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Distribution

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Distribution

• Devices having Android 5.0 officially:

• Nexus 5• Nexus 7• Nexus 9• LG G3

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Distribution

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Distribution

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Dependencies

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dependencies {

compile 'com.android.support:support-v4:21.0.2'

compile 'com.android.support:appcompat-v7:21.0.2' compile 'com.android.support:cardview-v7:21.0.2' compile 'com.android.support:recyclerview-v7:21.0.2' compile 'com.android.support:gridlayout-v7:21.0.2' compile 'com.android.support:mediarouter-v7:21.0.2' compile 'com.android.support:palette-v7:21.0.2'

compile 'com.android.support:support-v13:21.0.2'

compile 'com.android.support:leanback-v17:21.0.2'

compile 'com.android.support:support-annotations:21.0.2'

}

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dependencies {

compile 'com.android.support:support-v4:21.0.2'

compile 'com.android.support:appcompat-v7:21.0.2' compile 'com.android.support:cardview-v7:21.0.2' compile 'com.android.support:recyclerview-v7:21.0.2' compile 'com.android.support:gridlayout-v7:21.0.2' compile 'com.android.support:mediarouter-v7:21.0.2' compile 'com.android.support:palette-v7:21.0.2'

compile 'com.android.support:support-v13:21.0.2'

compile 'com.android.support:leanback-v17:21.0.2'

compile 'com.android.support:support-annotations:21.0.2'

}

dependencies {

compile 'com.android.support:support-v4:21.0.2'

compile ‚com.android.support:appcompat-v7:21.0.2' //material Theme, ActionBar, etc. compile 'com.android.support:cardview-v7:21.0.2' compile 'com.android.support:recyclerview-v7:21.0.2' compile 'com.android.support:gridlayout-v7:21.0.2' compile 'com.android.support:mediarouter-v7:21.0.2' compile 'com.android.support:palette-v7:21.0.2'

compile 'com.android.support:support-v13:21.0.2'

compile 'com.android.support:leanback-v17:21.0.2'

compile 'com.android.support:support-annotations:21.0.2'

}

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dependencies {

compile 'com.android.support:support-v4:21.0.2'

compile 'com.android.support:appcompat-v7:21.0.2' compile 'com.android.support:cardview-v7:21.0.2' compile 'com.android.support:recyclerview-v7:21.0.2' compile 'com.android.support:gridlayout-v7:21.0.2' compile 'com.android.support:mediarouter-v7:21.0.2' compile 'com.android.support:palette-v7:21.0.2'

compile 'com.android.support:support-v13:21.0.2'

compile 'com.android.support:leanback-v17:21.0.2'

compile 'com.android.support:support-annotations:21.0.2'

}

dependencies {

compile 'com.android.support:support-v4:21.0.2'

compile ‚com.android.support:appcompat-v7:21.0.2' //material Theme, ActionBar, etc. compile 'com.android.support:cardview-v7:21.0.2' compile 'com.android.support:recyclerview-v7:21.0.2' compile 'com.android.support:gridlayout-v7:21.0.2' compile 'com.android.support:mediarouter-v7:21.0.2' compile 'com.android.support:palette-v7:21.0.2'

compile 'com.android.support:support-v13:21.0.2'

compile 'com.android.support:leanback-v17:21.0.2'

compile 'com.android.support:support-annotations:21.0.2'

}

dependencies {

compile 'com.android.support:support-v4:21.0.2'

compile 'com.android.support:appcompat-v7:21.0.2' compile ‚com.android.support:cardview-v7:21.0.2' //New Components for Pre 5.0 compile 'com.android.support:recyclerview-v7:21.0.2' compile 'com.android.support:gridlayout-v7:21.0.2' compile 'com.android.support:mediarouter-v7:21.0.2' compile 'com.android.support:palette-v7:21.0.2'

compile 'com.android.support:support-v13:21.0.2'

compile 'com.android.support:leanback-v17:21.0.2'

compile 'com.android.support:support-annotations:21.0.2'

}

Apply Material Theme

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android: Theme.Material

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android: Theme.Material

android: Theme.Material.Light

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Theme.AppCompat.LightTheme.AppCompat

android: Theme.Material

android: Theme.Material.Light

Apply Material Theme

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Apply Material Theme

• Custom Style Extending Appcompat Style

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Apply Material Theme

• Custom Style Extending Appcompat Style• Things to note:

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Apply Material Theme

• Custom Style Extending Appcompat Style• Things to note:

• No more @android duplicates

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Apply Material Theme

• Custom Style Extending Appcompat Style• Things to note:

• No more @android duplicates• No more v14+ Style Folder

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Apply Material Theme

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Apply Material Theme • Ui Elements that Get Material Design:

• EditText• Spinner• CheckBox• RadioButton• Switch• CheckedTextView

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Apply Material Theme • Ui Elements that Get Material Design:

• EditText• Spinner• CheckBox• RadioButton• Switch• CheckedTextView

• All Other UI Elements do not get Styled and Need Custom Styling/Views

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Action Bar Drawer Toggle

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Action Bar Drawer Toggle

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Action Bar Drawer Toggle

Action Bar Drawer Toggle

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Action Bar Drawer Toggle

• import android.support.v7.app.ActionBarDrawerToggle

• Extend from ActionBarActivity• Init DrawerToggle with Drawer Layout• Assign DrawerToggle to DrawerLayout

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DrawerLayout mDrawerLayout; ActionBarDrawerToggle drawerToggle; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_my);

drawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, R.string.app_name, R.string.app_name) { };

mDrawerLayout.setDrawerListener(drawerToggle);

getSupportActionBar().setDisplayHomeAsUpEnabled(true); getSupportActionBar().setHomeButtonEnabled(true); }

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DrawerLayout mDrawerLayout; ActionBarDrawerToggle drawerToggle; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_my);

drawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, R.string.app_name, R.string.app_name) { };

mDrawerLayout.setDrawerListener(drawerToggle);

getSupportActionBar().setDisplayHomeAsUpEnabled(true); getSupportActionBar().setHomeButtonEnabled(true); }

DrawerLayout mDrawerLayout; ActionBarDrawerToggle drawerToggle; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_my);

drawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, R.string.app_name, R.string.app_name) { };

mDrawerLayout.setDrawerListener(drawerToggle);

getSupportActionBar().setDisplayHomeAsUpEnabled(true); getSupportActionBar().setHomeButtonEnabled(true); }

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DrawerLayout mDrawerLayout; ActionBarDrawerToggle drawerToggle; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_my);

drawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, R.string.app_name, R.string.app_name) { };

mDrawerLayout.setDrawerListener(drawerToggle);

getSupportActionBar().setDisplayHomeAsUpEnabled(true); getSupportActionBar().setHomeButtonEnabled(true); }

DrawerLayout mDrawerLayout; ActionBarDrawerToggle drawerToggle; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_my);

drawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, R.string.app_name, R.string.app_name) { };

mDrawerLayout.setDrawerListener(drawerToggle);

getSupportActionBar().setDisplayHomeAsUpEnabled(true); getSupportActionBar().setHomeButtonEnabled(true); }

DrawerLayout mDrawerLayout; ActionBarDrawerToggle drawerToggle; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_my);

drawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, R.string.app_name, R.string.app_name) { };

mDrawerLayout.setDrawerListener(drawerToggle);

getSupportActionBar().setDisplayHomeAsUpEnabled(true); getSupportActionBar().setHomeButtonEnabled(true); }

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DrawerLayout mDrawerLayout; ActionBarDrawerToggle drawerToggle; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_my);

drawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, R.string.app_name, R.string.app_name) { };

mDrawerLayout.setDrawerListener(drawerToggle);

getSupportActionBar().setDisplayHomeAsUpEnabled(true); getSupportActionBar().setHomeButtonEnabled(true); }

DrawerLayout mDrawerLayout; ActionBarDrawerToggle drawerToggle; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_my);

drawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, R.string.app_name, R.string.app_name) { };

mDrawerLayout.setDrawerListener(drawerToggle);

getSupportActionBar().setDisplayHomeAsUpEnabled(true); getSupportActionBar().setHomeButtonEnabled(true); }

DrawerLayout mDrawerLayout; ActionBarDrawerToggle drawerToggle; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_my);

drawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, R.string.app_name, R.string.app_name) { };

mDrawerLayout.setDrawerListener(drawerToggle);

getSupportActionBar().setDisplayHomeAsUpEnabled(true); getSupportActionBar().setHomeButtonEnabled(true); }

DrawerLayout mDrawerLayout; ActionBarDrawerToggle drawerToggle; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_my);

drawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, R.string.app_name, R.string.app_name) { };

mDrawerLayout.setDrawerListener(drawerToggle);

getSupportActionBar().setDisplayHomeAsUpEnabled(true); getSupportActionBar().setHomeButtonEnabled(true); }

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DrawerLayout mDrawerLayout; ActionBarDrawerToggle drawerToggle; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_my);

drawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, R.string.app_name, R.string.app_name) { };

mDrawerLayout.setDrawerListener(drawerToggle);

getSupportActionBar().setDisplayHomeAsUpEnabled(true); getSupportActionBar().setHomeButtonEnabled(true); }

DrawerLayout mDrawerLayout; ActionBarDrawerToggle drawerToggle; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_my);

drawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, R.string.app_name, R.string.app_name) { };

mDrawerLayout.setDrawerListener(drawerToggle);

getSupportActionBar().setDisplayHomeAsUpEnabled(true); getSupportActionBar().setHomeButtonEnabled(true); }

DrawerLayout mDrawerLayout; ActionBarDrawerToggle drawerToggle; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_my);

drawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, R.string.app_name, R.string.app_name) { };

mDrawerLayout.setDrawerListener(drawerToggle);

getSupportActionBar().setDisplayHomeAsUpEnabled(true); getSupportActionBar().setHomeButtonEnabled(true); }

DrawerLayout mDrawerLayout; ActionBarDrawerToggle drawerToggle; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_my);

drawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, R.string.app_name, R.string.app_name) { };

mDrawerLayout.setDrawerListener(drawerToggle);

getSupportActionBar().setDisplayHomeAsUpEnabled(true); getSupportActionBar().setHomeButtonEnabled(true); }

DrawerLayout mDrawerLayout; ActionBarDrawerToggle drawerToggle; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_my);

drawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, R.string.app_name, R.string.app_name) { };

mDrawerLayout.setDrawerListener(drawerToggle);

getSupportActionBar().setDisplayHomeAsUpEnabled(true); getSupportActionBar().setHomeButtonEnabled(true); }

Card View

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Card View

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Card View

• Support for rounded Corners• Elevation Shadows

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Card View

• Support for rounded Corners• Elevation Shadows

• Limitations:• On Pre-L no Clipping for Children with

Round Corners• On Pre-L Adds Padding to Draw

Shadows

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<?xml version="1.0" encoding="utf-8"?>

<android.support.v7.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" android:id="@+id/cardView" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_margin="5dp" android:background="?android:selectableItemBackground" app:cardCornerRadius="2dp" app:cardElevation="5dp" app:cardPreventCornerOverlap="true" app:cardUseCompatPadding="true">

<!-- Place Your Textviews etc. in here --> <LinearLayout...> </android.support.v7.widget.CardView>

Recycler View

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Recycler View

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Recycler View

• „Replacement“ for ListView• Implements the ViewHolderPattern• Improved Recycling• LayoutManager

• Vertical List View• Horizontal List View• Staggered Grid View

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Layout:

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Layout:

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Layout:

Code:

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Layout:

Code:

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Recycler View - Adapter

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Recycler View - AdapterOld Adapter:class MenuAdapterOld extends ArrayAdapter<String> {

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import android.support.v7.widget.RecyclerView;

public class MenuAdapter extends RecyclerView.Adapter<MenuAdapter.ViewHolder> {

Recycler View - AdapterOld Adapter:class MenuAdapterOld extends ArrayAdapter<String> {

New Adapter:

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Recycler View - Adapter

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private ArrayList<String> mDataset; private OnItemClickListener mListener; public MenuAdapter(ArrayList<String> myDataset, OnItemClickListener listener) { mDataset = myDataset; mListener = listener; }

Recycler View - Adapter

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Recycler View - Adapter

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private ArrayList<String> mDataset; private OnItemClickListener mListener; public MenuAdapter(ArrayList<String> myDataset, OnItemClickListener listener) { mDataset = myDataset; mListener = listener; }

Recycler View - Adapter

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private ArrayList<String> mDataset; private OnItemClickListener mListener; public MenuAdapter(ArrayList<String> myDataset, OnItemClickListener listener) { mDataset = myDataset; mListener = listener; }

Recycler View - Adapter

private ArrayList<String> mDataset; private OnItemClickListener mListener;public MenuAdapter(ArrayList<String> myDataset, OnItemClickListener listener) { mDataset = myDataset; mListener = listener;}

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private ArrayList<String> mDataset; private OnItemClickListener mListener; public MenuAdapter(ArrayList<String> myDataset, OnItemClickListener listener) { mDataset = myDataset; mListener = listener; }

Recycler View - Adapter

private ArrayList<String> mDataset; private OnItemClickListener mListener;public MenuAdapter(ArrayList<String> myDataset, OnItemClickListener listener) { mDataset = myDataset; mListener = listener;}

@Overridepublic int getItemCount() { return mDataset.size(); }

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Recycler View - Adapter

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public static class ViewHolder extends RecyclerView.ViewHolder { ImageView mPhoto; TextView mPhotoTitle; CardView mCardView; public ViewHolder(View itemView) { super(itemView); mPhoto = (ImageView) itemView.findViewById(R.id.photo); mPhotoTitle = (TextView) itemView.findViewById(R.id.photoTitle); mCardView = (CardView) itemView.findViewById(R.id.cardView); } }

Recycler View - Adapter

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public static class ViewHolder extends RecyclerView.ViewHolder { ImageView mPhoto; TextView mPhotoTitle; CardView mCardView; public ViewHolder(View itemView) { super(itemView); mPhoto = (ImageView) itemView.findViewById(R.id.photo); mPhotoTitle = (TextView) itemView.findViewById(R.id.photoTitle); mCardView = (CardView) itemView.findViewById(R.id.cardView); } }

Recycler View - Adapter

public static class ViewHolder extends RecyclerView.ViewHolder { ImageView mPhoto; TextView mPhotoTitle; CardView mCardView; public ViewHolder(View itemView) { super(itemView); mPhoto = (ImageView) itemView.findViewById(R.id.photo); mPhotoTitle = (TextView) itemView.findViewById(R.id.photoTitle); mCardView = (CardView) itemView.findViewById(R.id.cardView); }}

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public static class ViewHolder extends RecyclerView.ViewHolder { ImageView mPhoto; TextView mPhotoTitle; CardView mCardView; public ViewHolder(View itemView) { super(itemView); mPhoto = (ImageView) itemView.findViewById(R.id.photo); mPhotoTitle = (TextView) itemView.findViewById(R.id.photoTitle); mCardView = (CardView) itemView.findViewById(R.id.cardView); } }

Recycler View - Adapter

public static class ViewHolder extends RecyclerView.ViewHolder { ImageView mPhoto; TextView mPhotoTitle; CardView mCardView; public ViewHolder(View itemView) { super(itemView); mPhoto = (ImageView) itemView.findViewById(R.id.photo); mPhotoTitle = (TextView) itemView.findViewById(R.id.photoTitle); mCardView = (CardView) itemView.findViewById(R.id.cardView); }}

public static class ViewHolder extends RecyclerView.ViewHolder { ImageView mPhoto; TextView mPhotoTitle; CardView mCardView; public ViewHolder(View itemView) { super(itemView); mPhoto = (ImageView) itemView.findViewById(R.id.photo); mPhotoTitle = (TextView) itemView.findViewById(R.id.photoTitle); mCardView = (CardView) itemView.findViewById(R.id.cardView); }}

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public static class ViewHolder extends RecyclerView.ViewHolder { ImageView mPhoto; TextView mPhotoTitle; CardView mCardView; public ViewHolder(View itemView) { super(itemView); mPhoto = (ImageView) itemView.findViewById(R.id.photo); mPhotoTitle = (TextView) itemView.findViewById(R.id.photoTitle); mCardView = (CardView) itemView.findViewById(R.id.cardView); } }

Recycler View - Adapter

public static class ViewHolder extends RecyclerView.ViewHolder { ImageView mPhoto; TextView mPhotoTitle; CardView mCardView; public ViewHolder(View itemView) { super(itemView); mPhoto = (ImageView) itemView.findViewById(R.id.photo); mPhotoTitle = (TextView) itemView.findViewById(R.id.photoTitle); mCardView = (CardView) itemView.findViewById(R.id.cardView); }}

public static class ViewHolder extends RecyclerView.ViewHolder { ImageView mPhoto; TextView mPhotoTitle; CardView mCardView; public ViewHolder(View itemView) { super(itemView); mPhoto = (ImageView) itemView.findViewById(R.id.photo); mPhotoTitle = (TextView) itemView.findViewById(R.id.photoTitle); mCardView = (CardView) itemView.findViewById(R.id.cardView); }}

public static class ViewHolder extends RecyclerView.ViewHolder { ImageView mPhoto; TextView mPhotoTitle; CardView mCardView; public ViewHolder(View itemView) { super(itemView); mPhoto = (ImageView) itemView.findViewById(R.id.photo); mPhotoTitle = (TextView) itemView.findViewById(R.id.photoTitle); mCardView = (CardView) itemView.findViewById(R.id.cardView); } }

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public static class ViewHolder extends RecyclerView.ViewHolder { ImageView mPhoto; TextView mPhotoTitle; CardView mCardView; public ViewHolder(View itemView) { super(itemView); mPhoto = (ImageView) itemView.findViewById(R.id.photo); mPhotoTitle = (TextView) itemView.findViewById(R.id.photoTitle); mCardView = (CardView) itemView.findViewById(R.id.cardView); } }

Recycler View - Adapter

public static class ViewHolder extends RecyclerView.ViewHolder { ImageView mPhoto; TextView mPhotoTitle; CardView mCardView; public ViewHolder(View itemView) { super(itemView); mPhoto = (ImageView) itemView.findViewById(R.id.photo); mPhotoTitle = (TextView) itemView.findViewById(R.id.photoTitle); mCardView = (CardView) itemView.findViewById(R.id.cardView); }}

public static class ViewHolder extends RecyclerView.ViewHolder { ImageView mPhoto; TextView mPhotoTitle; CardView mCardView; public ViewHolder(View itemView) { super(itemView); mPhoto = (ImageView) itemView.findViewById(R.id.photo); mPhotoTitle = (TextView) itemView.findViewById(R.id.photoTitle); mCardView = (CardView) itemView.findViewById(R.id.cardView); }}

public static class ViewHolder extends RecyclerView.ViewHolder { ImageView mPhoto; TextView mPhotoTitle; CardView mCardView; public ViewHolder(View itemView) { super(itemView); mPhoto = (ImageView) itemView.findViewById(R.id.photo); mPhotoTitle = (TextView) itemView.findViewById(R.id.photoTitle); mCardView = (CardView) itemView.findViewById(R.id.cardView); } }

public static class ViewHolder extends RecyclerView.ViewHolder { ImageView mPhoto; TextView mPhotoTitle; CardView mCardView; public ViewHolder(View itemView) { super(itemView); mPhoto = (ImageView) itemView.findViewById(R.id.photo); mPhotoTitle = (TextView) itemView.findViewById(R.id.photoTitle); mCardView = (CardView) itemView.findViewById(R.id.cardView); }}

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Recycler View - Adapter

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@Overridepublic ViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) { View v = LayoutInflater.from(viewGroup.getContext()).inflate(rowLayout, viewGroup, false); return new ViewHolder(v); } @Overridepublic void onBindViewHolder(final ViewHolder viewHolder, final int i) { Photo p = photos.get(i); mPicasso.load(p.getUrl()).error(android.R.drawable.stat_notify_error).placeholder(android.R.drawable.stat_notify_sync).into(viewHolder.mPhoto); viewHolder.mPhotoTitle.setText(p.getId()); if (viewHolder.mPhotographerTitle != null) { viewHolder.mPhotographerTitle.setText(p.getTitle()); } viewHolder.mCardView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { mListener.onClick(viewHolder.mPhoto, i); } }); }

Recycler View - Adapter

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@Overridepublic ViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) { View v = LayoutInflater.from(viewGroup.getContext()).inflate(rowLayout, viewGroup, false); return new ViewHolder(v); } @Overridepublic void onBindViewHolder(final ViewHolder viewHolder, final int i) { Photo p = photos.get(i); mPicasso.load(p.getUrl()).error(android.R.drawable.stat_notify_error).placeholder(android.R.drawable.stat_notify_sync).into(viewHolder.mPhoto); viewHolder.mPhotoTitle.setText(p.getId()); if (viewHolder.mPhotographerTitle != null) { viewHolder.mPhotographerTitle.setText(p.getTitle()); } viewHolder.mCardView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { mListener.onClick(viewHolder.mPhoto, i); } }); }

Recycler View - Adapter

@Overridepublic ViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) { View v = LayoutInflater.from(viewGroup.getContext()).inflate(rowLayout, viewGroup, false); return new ViewHolder(v); } @Overridepublic void onBindViewHolder(final ViewHolder viewHolder, final int i) { Photo p = photos.get(i); mPicasso.load(p.getUrl()).error(android.R.drawable.stat_notify_error).placeholder(android.R.drawable.stat_notify_sync).into(viewHolder.mPhoto); viewHolder.mPhotoTitle.setText(p.getId()); if (viewHolder.mPhotographerTitle != null) { viewHolder.mPhotographerTitle.setText(p.getTitle()); } viewHolder.mCardView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { mListener.onClick(viewHolder.mPhoto, i); } });}

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@Overridepublic ViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) { View v = LayoutInflater.from(viewGroup.getContext()).inflate(rowLayout, viewGroup, false); return new ViewHolder(v); } @Overridepublic void onBindViewHolder(final ViewHolder viewHolder, final int i) { Photo p = photos.get(i); mPicasso.load(p.getUrl()).error(android.R.drawable.stat_notify_error).placeholder(android.R.drawable.stat_notify_sync).into(viewHolder.mPhoto); viewHolder.mPhotoTitle.setText(p.getId()); if (viewHolder.mPhotographerTitle != null) { viewHolder.mPhotographerTitle.setText(p.getTitle()); } viewHolder.mCardView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { mListener.onClick(viewHolder.mPhoto, i); } }); }

Recycler View - Adapter

@Overridepublic ViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) { View v = LayoutInflater.from(viewGroup.getContext()).inflate(rowLayout, viewGroup, false); return new ViewHolder(v); } @Overridepublic void onBindViewHolder(final ViewHolder viewHolder, final int i) { Photo p = photos.get(i); mPicasso.load(p.getUrl()).error(android.R.drawable.stat_notify_error).placeholder(android.R.drawable.stat_notify_sync).into(viewHolder.mPhoto); viewHolder.mPhotoTitle.setText(p.getId()); if (viewHolder.mPhotographerTitle != null) { viewHolder.mPhotographerTitle.setText(p.getTitle()); } viewHolder.mCardView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { mListener.onClick(viewHolder.mPhoto, i); } });}

@Overridepublic ViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) { View v = LayoutInflater.from(viewGroup.getContext()).inflate(rowLayout, viewGroup, false); return new ViewHolder(v);} @Overridepublic void onBindViewHolder(final ViewHolder viewHolder, final int i) { Photo p = photos.get(i); mPicasso.load(p.getUrl()).error(android.R.drawable.stat_notify_error).placeholder(android.R.drawable.stat_notify_sync).into(viewHolder.mPhoto); viewHolder.mPhotoTitle.setText(p.getId()); if (viewHolder.mPhotographerTitle != null) { viewHolder.mPhotographerTitle.setText(p.getTitle()); } viewHolder.mCardView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { mListener.onClick(viewHolder.mPhoto, i); } });}

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@Overridepublic ViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) { View v = LayoutInflater.from(viewGroup.getContext()).inflate(rowLayout, viewGroup, false); return new ViewHolder(v); } @Overridepublic void onBindViewHolder(final ViewHolder viewHolder, final int i) { Photo p = photos.get(i); mPicasso.load(p.getUrl()).error(android.R.drawable.stat_notify_error).placeholder(android.R.drawable.stat_notify_sync).into(viewHolder.mPhoto); viewHolder.mPhotoTitle.setText(p.getId()); if (viewHolder.mPhotographerTitle != null) { viewHolder.mPhotographerTitle.setText(p.getTitle()); } viewHolder.mCardView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { mListener.onClick(viewHolder.mPhoto, i); } }); }

Recycler View - Adapter

@Overridepublic ViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) { View v = LayoutInflater.from(viewGroup.getContext()).inflate(rowLayout, viewGroup, false); return new ViewHolder(v); } @Overridepublic void onBindViewHolder(final ViewHolder viewHolder, final int i) { Photo p = photos.get(i); mPicasso.load(p.getUrl()).error(android.R.drawable.stat_notify_error).placeholder(android.R.drawable.stat_notify_sync).into(viewHolder.mPhoto); viewHolder.mPhotoTitle.setText(p.getId()); if (viewHolder.mPhotographerTitle != null) { viewHolder.mPhotographerTitle.setText(p.getTitle()); } viewHolder.mCardView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { mListener.onClick(viewHolder.mPhoto, i); } });}

@Overridepublic ViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) { View v = LayoutInflater.from(viewGroup.getContext()).inflate(rowLayout, viewGroup, false); return new ViewHolder(v);} @Overridepublic void onBindViewHolder(final ViewHolder viewHolder, final int i) { Photo p = photos.get(i); mPicasso.load(p.getUrl()).error(android.R.drawable.stat_notify_error).placeholder(android.R.drawable.stat_notify_sync).into(viewHolder.mPhoto); viewHolder.mPhotoTitle.setText(p.getId()); if (viewHolder.mPhotographerTitle != null) { viewHolder.mPhotographerTitle.setText(p.getTitle()); } viewHolder.mCardView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { mListener.onClick(viewHolder.mPhoto, i); } });}

@Overridepublic ViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) { View v = LayoutInflater.from(viewGroup.getContext()).inflate(rowLayout, viewGroup, false); return new ViewHolder(v);} @Overridepublic void onBindViewHolder(final ViewHolder viewHolder, final int i) { Photo p = photos.get(i); mPicasso.load(p.getUrl()).error(android.R.drawable.stat_notify_error).placeholder(android.R.drawable.stat_notify_sync).into(viewHolder.mPhoto); viewHolder.mPhotoTitle.setText(p.getId()); if (viewHolder.mPhotographerTitle != null) { viewHolder.mPhotographerTitle.setText(p.getTitle()); } viewHolder.mCardView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { mListener.onClick(viewHolder.mPhoto, i); } });}

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@Overridepublic ViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) { View v = LayoutInflater.from(viewGroup.getContext()).inflate(rowLayout, viewGroup, false); return new ViewHolder(v); } @Overridepublic void onBindViewHolder(final ViewHolder viewHolder, final int i) { Photo p = photos.get(i); mPicasso.load(p.getUrl()).error(android.R.drawable.stat_notify_error).placeholder(android.R.drawable.stat_notify_sync).into(viewHolder.mPhoto); viewHolder.mPhotoTitle.setText(p.getId()); if (viewHolder.mPhotographerTitle != null) { viewHolder.mPhotographerTitle.setText(p.getTitle()); } viewHolder.mCardView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { mListener.onClick(viewHolder.mPhoto, i); } }); }

Recycler View - Adapter

@Overridepublic ViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) { View v = LayoutInflater.from(viewGroup.getContext()).inflate(rowLayout, viewGroup, false); return new ViewHolder(v); } @Overridepublic void onBindViewHolder(final ViewHolder viewHolder, final int i) { Photo p = photos.get(i); mPicasso.load(p.getUrl()).error(android.R.drawable.stat_notify_error).placeholder(android.R.drawable.stat_notify_sync).into(viewHolder.mPhoto); viewHolder.mPhotoTitle.setText(p.getId()); if (viewHolder.mPhotographerTitle != null) { viewHolder.mPhotographerTitle.setText(p.getTitle()); } viewHolder.mCardView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { mListener.onClick(viewHolder.mPhoto, i); } });}

@Overridepublic ViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) { View v = LayoutInflater.from(viewGroup.getContext()).inflate(rowLayout, viewGroup, false); return new ViewHolder(v);} @Overridepublic void onBindViewHolder(final ViewHolder viewHolder, final int i) { Photo p = photos.get(i); mPicasso.load(p.getUrl()).error(android.R.drawable.stat_notify_error).placeholder(android.R.drawable.stat_notify_sync).into(viewHolder.mPhoto); viewHolder.mPhotoTitle.setText(p.getId()); if (viewHolder.mPhotographerTitle != null) { viewHolder.mPhotographerTitle.setText(p.getTitle()); } viewHolder.mCardView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { mListener.onClick(viewHolder.mPhoto, i); } });}

@Overridepublic ViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) { View v = LayoutInflater.from(viewGroup.getContext()).inflate(rowLayout, viewGroup, false); return new ViewHolder(v);} @Overridepublic void onBindViewHolder(final ViewHolder viewHolder, final int i) { Photo p = photos.get(i); mPicasso.load(p.getUrl()).error(android.R.drawable.stat_notify_error).placeholder(android.R.drawable.stat_notify_sync).into(viewHolder.mPhoto); viewHolder.mPhotoTitle.setText(p.getId()); if (viewHolder.mPhotographerTitle != null) { viewHolder.mPhotographerTitle.setText(p.getTitle()); } viewHolder.mCardView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { mListener.onClick(viewHolder.mPhoto, i); } });}

@Overridepublic ViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) { View v = LayoutInflater.from(viewGroup.getContext()).inflate(rowLayout, viewGroup, false); return new ViewHolder(v);} @Overridepublic void onBindViewHolder(final ViewHolder viewHolder, final int i) { Photo p = photos.get(i); mPicasso.load(p.getUrl()).error(android.R.drawable.stat_notify_error).placeholder(android.R.drawable.stat_notify_sync).into(viewHolder.mPhoto); viewHolder.mPhotoTitle.setText(p.getId()); if (viewHolder.mPhotographerTitle != null) { viewHolder.mPhotographerTitle.setText(p.getTitle()); } viewHolder.mCardView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { mListener.onClick(viewHolder.mPhoto, i); } }); }

32

32

• Linear Layout Manager

32

• Linear Layout Manager

• Supports Smooth Scrolling

32

• Linear Layout Manager

• Supports Smooth Scrolling

33

33

• Linear Layout Manager

33

• Linear Layout Manager

• Orientation Horizontal

33

• Linear Layout Manager

• Orientation Horizontal

34

34

• Staggered Grid Layout Manager

34

• Staggered Grid Layout Manager

• Grid Size can be defined

34

• Staggered Grid Layout Manager

• Grid Size can be defined

• Supports Vertical and Horizontal Scrolling

34

• Staggered Grid Layout Manager

• Grid Size can be defined

• Supports Vertical and Horizontal Scrolling

Toolbar

35

Toolbar

37

Toolbar

• ActionBar == Toolbar

• Toolbar is a ViewGroup• Styleable• Positionable

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38

Layout:

Code:

39

Standalone Widget:

Limitations

40

Limitations

41

Limitations

• Activity Transitions are Possible, BUT won’t be applied on PRE 5.0 Devices

• Many „New“ Ui Elements are not available in the API, thus require separate Implementation/Style.

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Limitations

42

Limitations

• Elements not Included:• Fancy Material Progressbars• Buttons

• Flat• Raised• Round / Floating

• Sliders• Snackbars

42

Limitations

43

Limitations

• Things not Supported on Pre 5.0:• Activity transitions• Touch feedback• Reveal animations• Path-based animations• Vector drawables• Drawable tinting

43

44

Useful Links

Useful Links

• Official Documentation: http://developer.android.com/tools/support-library/index.html

• Index for Open Source Libraries: https://android-arsenal.com/

• e.G. Missing Ui Elements

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AngeloRüggeberg

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