Май 2020

Энциклопедия “Do You Know?” Урок 3

MenuFragmentList.java import android.graphics.Typeface; import android.os.Bundle; import android.text.Spannable; import android.text.SpannableString; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuItem; import android.view.SubMenu; import android.view.View; import android.view.ViewGroup; import android.widget.ImageView; import android.widget.Toast; import androidx.annotation.NonNull; import androidx.annotation.Nullable; import androidx.fragment.app.Fragment; import com.google.android.material.navigation.NavigationView; /** * Created by mxn on 2016/12/13. * MenuListFragment */ public class MenuFragmentList extends Fragment { @Override public void onCreate(@Nullable Bundle savedInstanceState) { super.onCreate(savedInstanceState); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View view… Подробнее »Энциклопедия “Do You Know?” Урок 3

Справочник рыбака на Kotlin: Урок 10

MainActivity.kt import android.content.res.TypedArray import androidx.appcompat.app.AppCompatActivity import android.os.Bundle import android.view.MenuItem import android.widget.Toast import androidx.recyclerview.widget.LinearLayoutManager import com.google.android.material.navigation.NavigationView import kotlinx.android.synthetic.main.activity_main.* import kotlinx.android.synthetic.main.main_content.* class MainActivity : AppCompatActivity(), NavigationView.OnNavigationItemSelectedListener{ var adapter: MyAdapter? = null override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) nav_view.setNavigationItemSelectedListener (this) var list = ArrayList<ListItem>() list.addAll(fillArras(resources.getStringArray(R.array.fish), resources.getStringArray(R.array.fish_content),getImageId(R.array.fish_image_array))) rcView.hasFixedSize() rcView.layoutManager = LinearLayoutManager(this) adapter = MyAdapter(list,this) rcView.adapter = adapter } override fun onNavigationItemSelected(item: MenuItem): Boolean { when(item.itemId){ R.id.id_fish -> { Toast.makeText(this,”Id fish”,Toast.LENGTH_SHORT).show() adapter?.updateAdapter(fillArras(resources.getStringArray(R.array.fish), resources.getStringArray(R.array.fish_content),getImageId(R.array.fish_image_array))) }… Подробнее »Справочник рыбака на Kotlin: Урок 10

Do You Know? / Энциклопедия / Урок 1

Библиотека для меню: FlowingDrawer Копируем эти строчки в наш: build.gradle (Module: app) implementation ‘com.mxn.soul:flowingdrawer-core:2.1.0’implementation ‘com.nineoldandroids:library:2.4.0’   >>>Ссылка на библиотеку FlowingDrawer<<< MainActivity.java import androidx.appcompat.app.AppCompatActivity;import androidx.fragment.app.FragmentManager;import android.os.Bundle;public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); setupMenu(); } private void setupMenu() { FragmentManager fm = getSupportFragmentManager(); MenuFragmentList mMenuFragment = (MenuFragmentList) fm.findFragmentById(R.id.id_container_menu); if (mMenuFragment == null) { mMenuFragment = new MenuFragmentList(); fm.beginTransaction().add(R.id.id_container_menu, mMenuFragment).commit(); } }} MenuFragmentList.java import android.os.Bundle;import android.view.LayoutInflater;import… Подробнее »Do You Know? / Энциклопедия / Урок 1

Справочник рыбака на Kotlin: Урок 9

MainActivity.kt import androidx.appcompat.app.AppCompatActivity import android.os.Bundle import android.view.MenuItem import android.widget.Toast import androidx.recyclerview.widget.LinearLayoutManager import com.google.android.material.navigation.NavigationView import kotlinx.android.synthetic.main.activity_main.* import kotlinx.android.synthetic.main.main_content.* import java.util.ArrayList class MainActivity : AppCompatActivity(), NavigationView.OnNavigationItemSelectedListener{ override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) nav_view.setNavigationItemSelectedListener (this) var list = ArrayList<ListItem>() list.add(ListItem(R.drawable.som,”Сом”,”чварчрпчаптчапт чапрапр ыарпчапрча”)) list.add(ListItem(R.drawable.nalim,”Налим”,”чварчрпчаптчапт чапрапр ыарпчапрча”)) list.add(ListItem(R.drawable.shuca,”Щука”,”чварчрпчаптчапт чапрапр ыарпчапрча”)) list.add(ListItem(R.drawable.caras,”Карась”,”чварчрпчаптчапт чапрапр ыарпчапрча”)) rcView.hasFixedSize() rcView.layoutManager = LinearLayoutManager(this) rcView.adapter = MyAdapter(list,this) } override fun onNavigationItemSelected(item: MenuItem): Boolean { when(item.itemId){ R.id.id_fish -> Toast.makeText(this,”Id fish”,Toast.LENGTH_SHORT).show() R.id.id_na ->… Подробнее »Справочник рыбака на Kotlin: Урок 9

Сенсоры в Android:Гироскоп и Акселерометр

MainActivity.java import androidx.appcompat.app.AppCompatActivity; import android.content.Context; import android.hardware.Sensor; import android.hardware.SensorEvent; import android.hardware.SensorEventListener; import android.hardware.SensorManager; import android.os.Bundle; import android.widget.ImageView; import android.widget.TextView; public class MainActivity extends AppCompatActivity { private SensorManager sm; private Sensor s; private ImageView im; private TextView tv; private SensorEventListener sv; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); tv = findViewById(R.id.tv); im = findViewById(R.id.im); sm = (SensorManager) getSystemService(Context.SENSOR_SERVICE); if(sm !=null)s = sm.getDefaultSensor(Sensor.TYPE_ROTATION_VECTOR); sv = new SensorEventListener() { @Override public void… Подробнее »Сенсоры в Android:Гироскоп и Акселерометр