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- package com.example.a1.bottombar;
- import android.app.ActivityOptions;
- import android.content.Intent;
- import android.os.Build;
- import android.os.Bundle;
- import android.support.annotation.NonNull;
- import android.support.annotation.RequiresApi;
- import android.support.design.widget.BottomNavigationView;
- import android.support.v7.app.AppCompatActivity;
- import android.support.v7.widget.LinearLayoutManager;
- import android.support.v7.widget.RecyclerView;
- import android.transition.Transition;
- import android.transition.TransitionManager;
- import android.util.TypedValue;
- import android.view.MenuItem;
- import android.view.View;
- import android.widget.LinearLayout;
- import android.widget.SimpleAdapter;
- import android.widget.TextView;
- import java.util.ArrayList;
- public class MainActivity extends AppCompatActivity {
- LinearLayout linearLayout;
- SimpleAdapter theory;
- RecyclerView recyclerView;
- ItemAdapter itemAdapter;
- ArrayList<CardItem> list;
- TextView currentView;
- Transition a;
- String[] orig,local;
- private BottomNavigationView.OnNavigationItemSelectedListener mOnNavigationItemSelectedListener
- = new BottomNavigationView.OnNavigationItemSelectedListener() {
- @Override
- public boolean onNavigationItemSelected(@NonNull MenuItem item) {
- linearLayout.removeAllViews();
- switch (item.getItemId()) {
- case R.id.theory:
- linearLayout.addView(recyclerView);
- return true;
- case R.id.test:
- return true;
- }
- return false;
- }
- };
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.activity_main);
- init();
- }
- private void init(){
- orig = getResources().getStringArray(R.array.menu_orig);
- local = getResources().getStringArray(R.array.menu_ru);
- linearLayout = findViewById(R.id.mainlayout);
- BottomNavigationView navigation = (BottomNavigationView) findViewById(R.id.navigation);
- navigation.setOnNavigationItemSelectedListener(mOnNavigationItemSelectedListener);
- recyclerView = new RecyclerView(this);
- recyclerView.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT,
- LinearLayout.LayoutParams.MATCH_PARENT));
- recyclerView.setHasFixedSize(true);
- recyclerView.setLayoutManager( new LinearLayoutManager(this));
- list = new ArrayList<>();
- for (int i = 0; i < orig.length; i++) {
- list.add(new CardItem(local[i], orig[i]));
- }
- itemAdapter = new ItemAdapter(list);
- ItemAdapter.OnItemClickListener onItemClickListener = new ItemAdapter.OnItemClickListener() {
- @Override
- public void onItemClick(CardItem item, TextView v) {
- Bundle bundle = null;
- if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP_MR1) {
- if (v != null) {
- a = new TextSizeTransition();
- TransitionManager.beginDelayedTransition(recyclerView, a);
- currentView = v;
- currentView.setTextSize(TypedValue.COMPLEX_UNIT_SP, 22);
- ActivityOptions options = ActivityOptions.makeSceneTransitionAnimation(MainActivity.this, v, MainActivity.this.getString(R.string.title_transition));
- bundle = options.toBundle();
- }
- }
- Intent intent = new Intent(MainActivity.this, TheoryActivity.class);
- intent.putExtra("Title", item.title);
- intent.putExtra("orig", item.text);
- if (bundle == null) {
- MainActivity.this.startActivity(intent);
- } else {
- if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
- MainActivity.this.startActivityForResult(intent, 1, bundle);
- }
- }
- }
- };
- itemAdapter = new ItemAdapter(onItemClickListener, list);
- recyclerView.setAdapter(itemAdapter);
- linearLayout.addView(recyclerView);
- }
- @Override
- protected void onResume() {
- super.onResume();
- if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT ) {
- if (currentView != null) {
- TransitionManager.beginDelayedTransition(recyclerView, a);
- currentView.setTextSize(TypedValue.COMPLEX_UNIT_SP, 18);
- }
- }
- }
- }
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