Filter
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package com.material.components.activity.backdrop;
import android.animation.ObjectAnimator;
import android.graphics.Color;
import android.os.Bundle;
import android.os.Handler;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.ImageView;
import androidx.appcompat.app.AppCompatActivity;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
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.BackdropViewAnimation;
import com.material.components.utils.Tools;
import java.util.List;
public class BackdropFilter extends AppCompatActivity {
private BackdropViewAnimation backdropAnimation;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_backdrop_filter);
initComponent();
}
private void initComponent() {
Tools.setSystemBarColor(this, R.color.deep_purple_700);
ImageView action_menu = findViewById(R.id.action_menu);
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
AdapterListSectioned 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) {
}
});
backdropAnimation = new BackdropViewAnimation(this, findViewById(R.id.backdrop_view), findViewById(R.id.content));
backdropAnimation.addStateListener(new BackdropViewAnimation.StateListener() {
@Override
public void onOpen(ObjectAnimator animator) {
action_menu.setImageResource(R.drawable.ic_close);
}
@Override
public void onClose(ObjectAnimator animator) {
action_menu.setImageResource(R.drawable.ic_tune);
}
});
action_menu.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
backdropAnimation.toggle();
}
});
new Handler(this.getMainLooper()).postDelayed(new Runnable() {
@Override
public void run() {
backdropAnimation.toggle();
}
}, 600);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.menu_more_exit, menu);
Tools.changeMenuIconColor(menu, Color.WHITE);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (item.getItemId() == R.id.action_close) {
finish();
}
return super.onOptionsItemSelected(item);
}
@Override
public void onBackPressed() {
if (backdropAnimation.isBackdropShown()) {
backdropAnimation.close();
} else {
super.onBackPressed();
}
}
}