Linear Center
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package com.material.components.activity.progressactivity;
import android.os.Bundle;
import android.os.Handler;
import com.google.android.material.snackbar.Snackbar;
import androidx.appcompat.app.AppCompatActivity;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import androidx.appcompat.widget.Toolbar;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.LinearLayout;
import android.widget.Toast;
import com.material.components.R;
import com.material.components.adapter.AdapterListFolderFile;
import com.material.components.model.FolderFile;
import com.material.components.utils.ItemAnimation;
import com.material.components.utils.Tools;
import com.material.components.utils.ViewAnimation;
import java.util.ArrayList;
import java.util.List;
public class ProgressLinearCenter extends AppCompatActivity {
private View parent_view;
private final static int LOADING_DURATION = 2000;
private RecyclerView recyclerView;
private AdapterListFolderFile mAdapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_progress_linear_center);
parent_view = findViewById(android.R.id.content);
recyclerView = (RecyclerView) findViewById(R.id.recyclerView);
initToolbar();
}
private void initToolbar() {
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
toolbar.setNavigationIcon(R.drawable.ic_menu);
setSupportActionBar(toolbar);
getSupportActionBar().setTitle(null);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
Tools.setSystemBarColor(this);
loadingAndDisplayContent();
}
private void loadingAndDisplayContent() {
final LinearLayout lyt_progress = (LinearLayout) findViewById(R.id.lyt_progress);
lyt_progress.setVisibility(View.VISIBLE);
lyt_progress.setAlpha(1.0f);
recyclerView.setVisibility(View.GONE);
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
ViewAnimation.fadeOut(lyt_progress);
}
}, LOADING_DURATION);
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
initComponent();
}
}, LOADING_DURATION + 400);
}
private void initComponent() {
recyclerView.setVisibility(View.VISIBLE);
recyclerView.setLayoutManager(new LinearLayoutManager(this));
recyclerView.setHasFixedSize(true);
List items = new ArrayList<>();
items.add(new FolderFile("Folders", true)); // add section
items.add(new FolderFile("Photos", "Jan 9, 2014", R.drawable.ic_folder, true));
items.add(new FolderFile("Recipes", "Jan 17, 2014", R.drawable.ic_folder, true));
items.add(new FolderFile("Work", "Jan 28, 2014", R.drawable.ic_folder, true));
items.add(new FolderFile("Files", true)); // add section
items.add(new FolderFile("Vacation itinerary", "Jan 20, 2014", R.drawable.ic_insert_drive, false));
items.add(new FolderFile("Kitchen Remodel", "Jan 10, 2014", R.drawable.ic_insert_drive, false));
items.add(new FolderFile("To Do Note", "Des 25, 2013", R.drawable.ic_insert_drive, false));
items.add(new FolderFile("", true)); // add section
//set data and list adapter
mAdapter = new AdapterListFolderFile(this, items, ItemAnimation.FADE_IN);
recyclerView.setAdapter(mAdapter);
// on item list clicked
mAdapter.setOnItemClickListener(new AdapterListFolderFile.OnItemClickListener() {
@Override
public void onItemClick(View view, FolderFile obj, int position) {
Snackbar.make(parent_view, "Item " + obj.name + " clicked", Snackbar.LENGTH_SHORT).show();
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.menu_refresh_setting, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (item.getItemId() == android.R.id.home) {
finish();
} else if (item.getItemId() == R.id.action_refresh) {
loadingAndDisplayContent();
} else {
Toast.makeText(getApplicationContext(), item.getTitle(), Toast.LENGTH_SHORT).show();
}
return super.onOptionsItemSelected(item);
}
}