Transform
Download MaterialX 2.8
Get the Full Android Source Code for all the listed Layouts and more.
Buy Now for $25Layout Screenshot

package com.material.components.activity.bottomsheet;
import android.graphics.PorterDuff;
import android.os.Bundle;
import android.os.Handler;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.FrameLayout;
import android.widget.Toast;
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.Toolbar;
import androidx.core.view.ViewCompat;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import androidx.transition.Transition;
import androidx.transition.TransitionListenerAdapter;
import androidx.transition.TransitionManager;
import com.google.android.material.floatingactionbutton.ExtendedFloatingActionButton;
import com.google.android.material.transition.MaterialContainerTransform;
import com.material.components.R;
import com.material.components.adapter.AdapterListSectioned;
import com.material.components.data.DataGenerator;
import com.material.components.model.People;
import com.material.components.utils.Tools;
import java.util.List;
public class BottomSheetTransform extends AppCompatActivity {
private View parent_view;
private RecyclerView recyclerView;
private AdapterListSectioned mAdapter;
private ExtendedFloatingActionButton bt_support;
private View endView;
private FrameLayout root;
private boolean slow = false;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_bottom_sheet_transform);
parent_view = findViewById(android.R.id.content);
initToolbar();
initComponent();
}
private void initToolbar() {
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
toolbar.setNavigationIcon(R.drawable.ic_menu);
toolbar.getNavigationIcon().setColorFilter(getResources().getColor(R.color.grey_60), PorterDuff.Mode.SRC_ATOP);
setSupportActionBar(toolbar);
getSupportActionBar().setTitle("Inbox");
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
Tools.setSystemBarColor(this, R.color.grey_3);
Tools.setSystemBarLight(this);
}
private void initComponent() {
root = findViewById(R.id.root_view);
bt_support = findViewById(R.id.bt_support);
endView = findViewById(R.id.bottom_sheet);
ViewCompat.setTransitionName(bt_support, String.valueOf(bt_support.getId()));
bt_support.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
showEndView(v);
}
});
(findViewById(R.id.bt_expand)).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
onBackPressed();
}
});
recyclerView = (RecyclerView) findViewById(R.id.recyclerView);
recyclerView.setLayoutManager(new LinearLayoutManager(this));
recyclerView.setHasFixedSize(true);
List items = DataGenerator.getPeopleData(this);
items.addAll(DataGenerator.getPeopleData(this));
items.addAll(DataGenerator.getPeopleData(this));
int sect_count = 0;
int sect_idx = 0;
List months = DataGenerator.getStringsMonth(this);
for (int i = 0; i < items.size() / 6; i++) {
items.add(sect_count, new People(months.get(sect_idx), true));
sect_count = sect_count + 5;
sect_idx++;
}
//set data and list adapter
mAdapter = new AdapterListSectioned(this, items);
recyclerView.setAdapter(mAdapter);
// on item list clicked
mAdapter.setOnItemClickListener(new AdapterListSectioned.OnItemClickListener() {
@Override
public void onItemClick(View view, People obj, int position) {
}
});
new Handler(this.getMainLooper()).postDelayed(new Runnable() {
@Override
public void run() {
showEndView(bt_support);
}
}, 600);
}
private void showEndView(View startView) {
Toast.makeText(this, slow ? "Slow" : "Fast", Toast.LENGTH_SHORT).show();
// Construct a container transform transition between two views.
MaterialContainerTransform transition = buildContainerTransform(true);
transition.setStartView(startView);
transition.setEndView(endView);
// Add a single target to stop the container transform from running on both the start and end view.
transition.addTarget(endView);
transition.addListener(new TransitionListenerAdapter() {
@Override
public void onTransitionEnd(@NonNull Transition transition) {
super.onTransitionEnd(transition);
Tools.setSystemBarColor(BottomSheetTransform.this, R.color.red_900);
Tools.setSystemBarDark(BottomSheetTransform.this);
}
});
// Trigger the container transform transition.
TransitionManager.beginDelayedTransition(root, transition);
startView.setVisibility(View.INVISIBLE);
endView.setVisibility(View.VISIBLE);
}
private void showStartView(View endView) {
View startView = bt_support;
// Construct a container transform transition between two views.
MaterialContainerTransform transition = buildContainerTransform(false);
transition.setStartView(endView);
transition.setEndView(startView);
// Add a single target to stop the container transform from running on both the start
transition.addTarget(startView);
// Trigger the container transform transition.
TransitionManager.beginDelayedTransition(root, transition);
startView.setVisibility(View.VISIBLE);
endView.setVisibility(View.INVISIBLE);
Tools.setSystemBarColor(this, R.color.grey_3);
Tools.setSystemBarLight(this);
slow = !slow;
}
@NonNull
private MaterialContainerTransform buildContainerTransform(boolean entering) {
MaterialContainerTransform transform = new MaterialContainerTransform();
transform.setTransitionDirection(entering ? MaterialContainerTransform.TRANSITION_DIRECTION_ENTER : MaterialContainerTransform.TRANSITION_DIRECTION_RETURN);
transform.setDrawingViewId(root.getId());
transform.setDuration(slow ? 1500 : 500);
return transform;
}
@Override
public void onBackPressed() {
if (endView != null && endView.getVisibility() == View.VISIBLE) {
showStartView(endView);
} else {
super.onBackPressed();
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.menu_search_setting, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (item.getItemId() == android.R.id.home) {
super.onBackPressed();
} else {
Toast.makeText(getApplicationContext(), item.getTitle(), Toast.LENGTH_SHORT).show();
}
return super.onOptionsItemSelected(item);
}
}