Android Create Bottom Sheet Basic

Android Create Bottom Sheet Basic

1. Project Structure

	Package name : basic.bottomsheet.fyprojects.com.bottomsheetbasic

2. Gradle

apply plugin: 'com.android.application'

android {
    compileSdkVersion 28
    defaultConfig {
        applicationId "basic.bottomsheet.fyprojects.com.bottomsheetbasic"
        minSdkVersion 16
        targetSdkVersion 28
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation 'com.android.support:appcompat-v7:28.0.0'
    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'com.android.support.test:runner:1.0.2'
    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'

    implementation 'com.android.support:design:28.0.0'
    implementation 'com.android.support:support-v13:28.0.0'
    implementation 'com.android.support:recyclerview-v7:28.0.0'
    implementation 'com.github.bumptech.glide:glide:3.7.0'
    implementation 'com.balysv:material-ripple:1.0.2'
}

3. Res Folder Dtructure

activity_main.xml

<?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:id="@+id/bgLayout"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="@android:color/white"
        android:orientation="vertical">

        <android.support.design.widget.AppBarLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content">

            <include layout="@layout/toolbar" />

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

        <android.support.v7.widget.RecyclerView
            android:id="@+id/recyclerView"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:scrollbars="vertical"
            android:scrollingCache="true" />

    </LinearLayout>

    <!--bottom sheet container-->
    <FrameLayout
        android:id="@+id/bottom_sheet"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        app:layout_behavior="@string/bottom_sheet_behavior" />

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

item_people.xml

<?xml version="1.0" encoding="utf-8"?>
<com.balysv.materialripple.MaterialRippleLayout xmlns:android="http://schemas.android.com/apk/res/android"
    style="@style/RippleStyleBlack"
    android:layout_width="match_parent"
    android:layout_height="wrap_content">

    <LinearLayout
        android:id="@+id/lyt_parent"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:clickable="true"
        android:gravity="center_vertical"
        android:minHeight="?attr/actionBarSize"
        android:orientation="horizontal"
        android:paddingBottom="@dimen/spacing_medium"
        android:paddingLeft="@dimen/spacing_large"
        android:paddingRight="@dimen/spacing_large"
        android:paddingTop="@dimen/spacing_medium">

        <TextView
            android:id="@+id/name"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:layout_marginLeft="@dimen/spacing_small"
            android:layout_marginRight="@dimen/spacing_small"
            android:text="@string/app_name"
            android:textAppearance="@style/TextAppearance.AppCompat.Large"
            android:textColor="@color/grey_90" />

        <ImageView
            android:id="@+id/image"
            android:layout_width="?attr/actionBarSize"
            android:layout_height="?attr/actionBarSize"
            android:paddingTop="@dimen/spacing_medium"
            android:paddingBottom="@dimen/spacing_medium"
            android:src="@drawable/photo_female_1" />

    </LinearLayout>

</com.balysv.materialripple.MaterialRippleLayout>

sheet_basic.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_gravity="bottom"
    android:background="@color/grey_5"
    android:orientation="vertical"
    android:padding="@dimen/spacing_large">

    <TextView
        android:id="@+id/name"
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        android:layout_marginBottom="@dimen/spacing_middle"
        android:layout_marginTop="@dimen/spacing_middle"
        android:text="Name"
        android:textAppearance="@style/TextAppearance.AppCompat.Title"
        android:textColor="@color/grey_90" />

    <TextView
        android:id="@+id/address"
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        android:layout_marginTop="@dimen/spacing_medium"
        android:text="Details Content"
        android:textAppearance="@style/TextAppearance.AppCompat.Subhead"
        android:textColor="@color/grey_60" />

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="@dimen/spacing_large"
        android:gravity="right"
        android:orientation="horizontal">

        <Button
            android:id="@+id/bt_close"
            style="@style/Base.Widget.AppCompat.Button.Borderless.Colored"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="CLOSE" />

        <Button
            android:id="@+id/bt_details"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="DETAILS"
            android:theme="@style/Button.Primary" />
    </LinearLayout>

</LinearLayout>

toolbar.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.v7.widget.Toolbar
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/toolbar"
    android:layout_width="match_parent"
    android:layout_height="?attr/actionBarSize"
    android:background="?attr/colorPrimary"
    app:contentInsetStartWithNavigation="0dp"
    android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
    app:popupTheme="@style/ThemeOverlay.AppCompat.Light"/>

menu_basic.xml

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

    <item
        android:id="@+id/action_search"
        android:icon="@drawable/ic_search"
        android:orderInCategory="100"
        android:title="Search"
        app:showAsAction="always" />

    <item
        android:id="@+id/action_settings"
        android:orderInCategory="100"
        android:title="Settings"
        app:showAsAction="never" />
</menu>

array.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <integer-array name="people_images">
        <item>@drawable/photo_male_1</item>
        <item>@drawable/photo_male_2</item>
        <item>@drawable/photo_female_1</item>
        <item>@drawable/photo_female_2</item>
        <item>@drawable/photo_male_3</item>

        <item>@drawable/photo_female_3</item>
        <item>@drawable/photo_male_4</item>
        <item>@drawable/photo_female_4</item>
        <item>@drawable/photo_female_5</item>
        <item>@drawable/photo_male_5</item>

        <item>@drawable/photo_female_6</item>
        <item>@drawable/photo_male_6</item>
        <item>@drawable/photo_male_7</item>
        <item>@drawable/photo_female_7</item>
        <item>@drawable/photo_female_8</item>
    </integer-array>

    <string-array name="people_names">
        <item>Anderson Thomas</item>
        <item>Adams Green</item>
        <item>Laura Michelle</item>
        <item>Betty L</item>
        <item>Miller Wilson</item>

        <item>Garcia Lewis</item>
        <item>Roberts Turner</item>
        <item>Mary Jackson</item>
        <item>Sarah Scott</item>
        <item>Kevin John</item>

        <item>Elizabeth</item>
        <item>Evans Collins</item>
        <item>Roberts</item>
        <item>Betty C</item>
        <item>Susan Lee</item>
    </string-array>
</resources>

colors.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <color name="colorPrimary">#1976D2</color>
    <color name="colorPrimaryDark">#1565C0</color>
    <color name="colorPrimaryLight">#1E88E5</color>
    <color name="colorAccent">#FF4081</color>
    <color name="colorAccentDark">#F50057</color>
    <color name="colorAccentLight">#FF80AB</color>

    <color name="grey_3">#f7f7f7</color>
    <color name="grey_5">#f2f2f2</color>
    <color name="grey_10">#e6e6e6</color>
    <color name="grey_20">#cccccc</color>
    <color name="grey_40">#999999</color>
    <color name="grey_60">#666666</color>
    <color name="grey_80">#37474F</color>
    <color name="grey_90">#263238</color>
    <color name="grey_95">#1a1a1a</color>
    <color name="grey_100_">#0d0d0d</color>
</resources>

dimen.xml

<resources>
    <!--genaral spacing-->
    <dimen name="spacing_xsmall">2dp</dimen>
    <dimen name="spacing_small">3dp</dimen>
    <dimen name="spacing_medium">5dp</dimen>
    <dimen name="spacing_xmedium">7dp</dimen>
    <dimen name="spacing_middle">10dp</dimen>
    <dimen name="spacing_large">15dp</dimen>
    <dimen name="spacing_smlarge">18dp</dimen>
    <dimen name="spacing_mlarge">20dp</dimen>
    <dimen name="spacing_mxlarge">25dp</dimen>
    <dimen name="spacing_xlarge">35dp</dimen>
    <dimen name="spacing_xmlarge">40dp</dimen>
    <dimen name="spacing_xxlarge">50dp</dimen>
    <dimen name="spacing_xxxlarge">55dp</dimen>
    <dimen name="appbar_padding_top">8dp</dimen>
</resources>

strings-data.xml

<resources>
    <string name="middle_lorem_ipsum">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam efficitur ipsum in placerat molestie.  Fusce quis mauris a enim sollicitudin</string>
</resources>

strings.xml

<resources>
    <string name="app_name">BottomSheetBasic</string>
    <string name="bottom_sheet_behavior" translatable="false">android.support.design.widget.BottomSheetBehavior</string>
</resources>

styles.xml

<resources>

    <!-- Base application theme. -->
    <style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
        <!-- Customize your theme here. -->
        <item name="colorPrimary">@color/colorPrimary</item>
        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
        <item name="colorAccent">@color/colorAccent</item>
    </style>

    <!--style for ripple library-->
    <style name="RippleStyleWhite">
        <item name="mrl_rippleOverlay">true</item>
        <item name="mrl_rippleColor">#80FFFFFF</item>
        <item name="mrl_rippleHover">true</item>
        <item name="mrl_rippleAlpha">0.2</item>
    </style>

    <style name="RippleStyleBlack" parent="RippleStyleWhite">
        <item name="mrl_rippleColor">#8096989A</item>
    </style>

    <style name="Button.Primary" parent="@style/Widget.AppCompat.Button.Colored">
        <item name="colorButtonNormal">@color/colorPrimary</item>
        <item name="android:textColor">@android:color/white</item>
    </style>
</resources>

4. Adapter

AdapterPeople

package basic.bottomsheet.fyprojects.com.bottomsheetbasic.adapter;

import android.content.Context;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;

import java.util.ArrayList;
import java.util.List;

import basic.bottomsheet.fyprojects.com.bottomsheetbasic.R;
import basic.bottomsheet.fyprojects.com.bottomsheetbasic.model.People;
import basic.bottomsheet.fyprojects.com.bottomsheetbasic.utils.Tools;

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

    private List<People> items = new ArrayList<>();
    private Context ctx;

    private OnItemClickListener onItemClickListener;

    public void setOnItemClickListener(OnItemClickListener onItemClickListener) {
        this.onItemClickListener = onItemClickListener;
    }

    public AdapterPeople(Context context, List<People> items) {
        this.items = items;
        ctx = context;
    }

    public class ViewHolder extends RecyclerView.ViewHolder {
        // each data item is just a string in this case
        public ImageView image;
        public TextView name;
        public LinearLayout lyt_parent;

        public ViewHolder(View v) {
            super(v);
            image = (ImageView) v.findViewById(R.id.image);
            name = (TextView) v.findViewById(R.id.name);
            lyt_parent = (LinearLayout) v.findViewById(R.id.lyt_parent);
        }
    }

    @Override
    public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        RecyclerView.ViewHolder vh;
        View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_people, parent, false);
        vh = new ViewHolder(v);
        return vh;
    }

    // Replace the contents of a view (invoked by the layout manager)
    @Override
    public void onBindViewHolder(RecyclerView.ViewHolder holder, final int position) {
        if (holder instanceof ViewHolder) {
            ViewHolder view = (ViewHolder) holder;
            final People o = items.get(position);
            view.name.setText(o.name);
            Tools.displayImageRound(ctx, view.image, o.image);

            view.lyt_parent.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View view) {
                    if (onItemClickListener != null) {
                        onItemClickListener.onItemClick(view, o, position);
                    }
                }
            });
        }
    }

    @Override
    public int getItemCount() {
        return items.size();
    }

    public People getItem(int position) {
        return items.get(position);
    }

    public interface OnItemClickListener {
        void onItemClick(View view, People obj, int pos);
    }


}

5. Data

DataGenerator

package basic.bottomsheet.fyprojects.com.bottomsheetbasic.data;
import android.content.Context;
import android.content.res.TypedArray;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import basic.bottomsheet.fyprojects.com.bottomsheetbasic.R;
import basic.bottomsheet.fyprojects.com.bottomsheetbasic.model.People;
import basic.bottomsheet.fyprojects.com.bottomsheetbasic.utils.Tools;

@SuppressWarnings("ResourceType")
public class DataGenerator {
    /**
     * Generate dummy data people
     *
     * @param ctx android context
     * @return list of object
     */
    public static List<People> getPeopleData(Context ctx) {
        List<People> items = new ArrayList<>();
        TypedArray drw_arr = ctx.getResources().obtainTypedArray(R.array.people_images);
        String name_arr[] = ctx.getResources().getStringArray(R.array.people_names);

        for (int i = 0; i < drw_arr.length(); i++) {
            People obj = new People();
            obj.image = drw_arr.getResourceId(i, -1);
            obj.name = name_arr[i];
            obj.email = Tools.getEmailFromName(obj.name);
            obj.imageDrw = ctx.getResources().getDrawable(obj.image);
            items.add(obj);
        }
        Collections.shuffle(items);
        return items;
    }
}

6. Model

People

package basic.bottomsheet.fyprojects.com.bottomsheetbasic.model;

import android.graphics.drawable.Drawable;

public class People {

    public int image;
    public Drawable imageDrw;
    public String name;
    public String email;
    public boolean section = false;

    public People() {
    }

    public People(String name, boolean section) {
        this.name = name;
        this.section = section;
    }

}

7. Utils

Tools

package basic.bottomsheet.fyprojects.com.bottomsheetbasic.utils;

import android.app.Activity;
import android.content.Context;
import android.graphics.Bitmap;
import android.os.Build;
import android.support.annotation.DrawableRes;
import android.support.v4.graphics.drawable.RoundedBitmapDrawable;
import android.support.v4.graphics.drawable.RoundedBitmapDrawableFactory;
import android.view.Window;
import android.view.WindowManager;
import android.widget.ImageView;
import com.bumptech.glide.Glide;
import com.bumptech.glide.request.target.BitmapImageViewTarget;
import basic.bottomsheet.fyprojects.com.bottomsheetbasic.R;

public class Tools {

    public static void displayImageRound(final Context ctx, final ImageView img, @DrawableRes int drawable) {
        try {
            Glide.with(ctx).load(drawable).asBitmap().centerCrop().into(new BitmapImageViewTarget(img) {
                @Override
                protected void setResource(Bitmap resource) {
                    RoundedBitmapDrawable circularBitmapDrawable = RoundedBitmapDrawableFactory.create(ctx.getResources(), resource);
                    circularBitmapDrawable.setCircular(true);
                    img.setImageDrawable(circularBitmapDrawable);
                }
            });
        } catch (Exception e) {
        }
    }

    public static void setSystemBarColor(Activity act) {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            Window window = act.getWindow();
            window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
            window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
            window.setStatusBarColor(act.getResources().getColor(R.color.colorPrimaryDark));
        }
    }

    public static String getEmailFromName(String name) {
        if (name != null && !name.equals("")) {
            String email = name.replaceAll(" ", ".").toLowerCase().concat("@mail.com");
            return email;
        }
        return name;
    }
}

8. Activity

MainActivity

package basic.bottomsheet.fyprojects.com.bottomsheetbasic;

import android.content.DialogInterface;
import android.os.Build;
import android.support.design.widget.BottomSheetBehavior;
import android.support.design.widget.BottomSheetDialog;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.WindowManager;
import android.widget.TextView;
import android.widget.Toast;
import basic.bottomsheet.fyprojects.com.bottomsheetbasic.adapter.AdapterPeople;
import basic.bottomsheet.fyprojects.com.bottomsheetbasic.data.DataGenerator;
import basic.bottomsheet.fyprojects.com.bottomsheetbasic.model.People;
import basic.bottomsheet.fyprojects.com.bottomsheetbasic.utils.Tools;

public class MainActivity extends AppCompatActivity {

    private RecyclerView recyclerView;
    private AdapterPeople adapter;

    private BottomSheetBehavior mBehavior;
    private BottomSheetDialog mBottomSheetDialog;
    private View bottom_sheet;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        initComponent();
        initToolbar();
        showBottomSheetDialog(adapter.getItem(0));
    }

    private void initComponent() {
        recyclerView = (RecyclerView) findViewById(R.id.recyclerView);
        recyclerView.setLayoutManager(new LinearLayoutManager(this));

        //set data and list adapter
        adapter = new AdapterPeople(this, DataGenerator.getPeopleData(this));
        recyclerView.setAdapter(adapter);
        adapter.setOnItemClickListener(new AdapterPeople.OnItemClickListener() {
            @Override
            public void onItemClick(View view, People obj, int pos) {
                showBottomSheetDialog(obj);
            }
        });

        bottom_sheet = findViewById(R.id.bottom_sheet);
        mBehavior = BottomSheetBehavior.from(bottom_sheet);
    }

    private void initToolbar() {
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        toolbar.setNavigationIcon(R.drawable.ic_menu);
        setSupportActionBar(toolbar);
        ActionBar actionBar = getSupportActionBar();
        actionBar.setTitle("Basic");
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        Tools.setSystemBarColor(this);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.menu_basic, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        if (item.getItemId() == android.R.id.home) {
            finish();
        } else {
            Toast.makeText(getApplicationContext(), item.getTitle(), Toast.LENGTH_SHORT).show();
        }
        return super.onOptionsItemSelected(item);
    }


    private void showBottomSheetDialog(final People people) {
        if (mBehavior.getState() == BottomSheetBehavior.STATE_EXPANDED) {
            mBehavior.setState(BottomSheetBehavior.STATE_COLLAPSED);
        }

        final View view = getLayoutInflater().inflate(R.layout.sheet_basic, null);
        ((TextView) view.findViewById(R.id.name)).setText(people.name);
        ((TextView) view.findViewById(R.id.address)).setText(R.string.middle_lorem_ipsum);
        (view.findViewById(R.id.bt_close)).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                mBottomSheetDialog.dismiss();
            }
        });

        (view.findViewById(R.id.bt_details)).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Toast.makeText(getApplicationContext(), "Details clicked", Toast.LENGTH_SHORT).show();
            }
        });

        mBottomSheetDialog = new BottomSheetDialog(this);
        mBottomSheetDialog.setContentView(view);
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            mBottomSheetDialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
        }

        mBottomSheetDialog.show();
        mBottomSheetDialog.setOnDismissListener(new DialogInterface.OnDismissListener() {
            @Override
            public void onDismiss(DialogInterface dialog) {
                mBottomSheetDialog = null;
            }
        });
    }
}