Java tutorial
/* * Copyright (C) 2015 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package net.etechnologic.ismail.bitm_todolist; import android.content.Context; import android.content.Intent; import android.os.Bundle; import android.support.design.widget.FloatingActionButton; import android.support.design.widget.NavigationView; import android.support.graphics.drawable.VectorDrawableCompat; import android.support.v4.content.res.ResourcesCompat; import android.support.v4.view.GravityCompat; import android.support.v4.widget.DrawerLayout; import android.support.v7.app.ActionBar; import android.support.v7.app.AppCompatActivity; import android.support.v7.widget.LinearLayoutManager; import android.support.v7.widget.RecyclerView; import android.support.v7.widget.Toolbar; import android.util.Log; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.view.ViewGroup; import android.view.WindowManager; import android.widget.CheckBox; import android.widget.TextView; import android.widget.Toast; import net.etechnologic.ismail.bitm_todolist.database.TodoListTaskProvider; import net.etechnologic.ismail.bitm_todolist.todoList.TodoListTask; import java.util.ArrayList; import static net.etechnologic.ismail.bitm_todolist.MainActivity.TAG; /** * Provides UI for the view with List. */ public class SingleGroupTaskActivity extends AppCompatActivity { RecyclerView taskRecyclerView; long group_id; FloatingActionButton addTodoListGroupTaskFab; // EditText addGroupTaskET; TodoListTaskProvider todoListTaskProvider; ArrayList<String> arrayList; ArrayList<TodoListTask> todoListTasks; private DrawerLayout mDrawerLayout; ContentAdapter adapter; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.single_group_recycler_view_activity); Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); setSupportActionBar(toolbar); group_id = getIntent().getLongExtra("group_id", -1); Log.e(MainActivity.TAG, "Group_id Received: " + group_id); if (group_id == -1) { return; } taskRecyclerView = (RecyclerView) findViewById(R.id.task_recycler_view); // addGroupTaskET = (EditText) findViewById(R.id.addGroupTaskET); addTodoListGroupTaskFab = (FloatingActionButton) findViewById(R.id.addTodoListGroupTaskFab); NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view); mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer); // Adding menu icon to Toolbar ActionBar supportActionBar = getSupportActionBar(); if (supportActionBar != null) { VectorDrawableCompat indicator = VectorDrawableCompat.create(getResources(), R.drawable.ic_menu, getTheme()); indicator.setTint(ResourcesCompat.getColor(getResources(), R.color.white, getTheme())); supportActionBar.setHomeAsUpIndicator(indicator); supportActionBar.setDisplayHomeAsUpEnabled(true); } // Set behavior of Navigation drawer navigationView.setNavigationItemSelectedListener(new NavigationView.OnNavigationItemSelectedListener() { // This method will trigger on item Click of navigation menu @Override public boolean onNavigationItemSelected(MenuItem menuItem) { // Set item in checked state menuItem.setChecked(true); // TODO: handle navigation // Closing drawer on item click mDrawerLayout.closeDrawers(); return true; } }); todoListTaskProvider = new TodoListTaskProvider(SingleGroupTaskActivity.this); todoListTasks = todoListTaskProvider.getAllTodoListTaskGroupWise(group_id); Log.e(MainActivity.TAG, "TodoListTasks: " + todoListTasks.size()); adapter = new ContentAdapter(this, todoListTasks); taskRecyclerView.setAdapter(adapter); taskRecyclerView.setLayoutManager(new LinearLayoutManager(this)); todoListTaskProvider = new TodoListTaskProvider(SingleGroupTaskActivity.this); getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN); arrayList = new ArrayList<>(); for (TodoListTask todoListTask : todoListTasks) { // arrayList.add("ID:" + todoListGroup.getId() // + "; Name:" + todoListGroup.getName()); arrayList.add("" + todoListTask.getId()); } addTodoListGroupTaskFab.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Intent intent = new Intent(SingleGroupTaskActivity.this, AddTodoListTaskActivity.class); intent.putExtra("group_id", group_id); startActivity(intent); finish(); } }); // addGroupTaskET.setOnKeyListener(new View.OnKeyListener() { // @Override // public boolean onKey(View v, int keyCode, KeyEvent event) { // // Log.d(TAG, keyCode+" "+event.getKeyCode()); // if ((event.getAction() == KeyEvent.ACTION_DOWN) && // (KeyEvent.KEYCODE_ENTER == event.getKeyCode() || // keyCode == EditorInfo.IME_ACTION_NONE)) { // // Perform action on key press // TodoListTask todoListTask = new TodoListTask(group_id, // addGroupTaskET.getText().toString()); // long data = todoListTaskProvider.addTodoListTask(todoListTask); // todoListTasks.add(todoListTask); // adapter.notifyDataSetChanged(); // // // return true; // } // return false; // } // }); } public static class ViewHolder extends RecyclerView.ViewHolder { public CheckBox taskCheckBox; public TextView name; public TextView description; public ViewHolder(LayoutInflater inflater, ViewGroup parent) { super(inflater.inflate(R.layout.view_holder_todo_list_task, parent, false)); taskCheckBox = (CheckBox) itemView.findViewById(R.id.list_check_box); name = (TextView) itemView.findViewById(R.id.list_title); description = (TextView) itemView.findViewById(R.id.list_desc); } } /** * Adapter to display recycler view. */ public class ContentAdapter extends RecyclerView.Adapter<ViewHolder> { // Set numbers of List in RecyclerView. // private static final int LENGTH = 18; // private final String[] mPlaces; // private final String[] mPlaceDesc; // private final Drawable[] mPlaceAvators; ArrayList<TodoListTask> todoListTasks; Context context; public ContentAdapter(Context context, ArrayList<TodoListTask> todoListTasks) { this.todoListTasks = todoListTasks; this.context = context; // Resources resources = context.getResources(); // mPlaces = resources.getStringArray(R.array.places); // mPlaceDesc = resources.getStringArray(R.array.place_desc); // TypedArray a = resources.obtainTypedArray(R.array.place_avator); // mPlaceAvators = new Drawable[a.length()]; // for (int i = 0; i < mPlaceAvators.length; i++) { // mPlaceAvators[i] = a.getDrawable(i); // } // a.recycle(); } @Override public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { return new ViewHolder(LayoutInflater.from(parent.getContext()), parent); } @Override public void onBindViewHolder(final ViewHolder holder, int position) { holder.name.setText(String.valueOf(todoListTasks.get(position).getTitle())); holder.description.setText(String.valueOf(todoListTasks.get(position).getDueDate() + " " + todoListTasks.get(position).getCurrentState())); // holder.avator.setImageDrawable(mPlaceAvators[position % mPlaceAvators.length]); // holder.name.setText(mPlaces[position % mPlaces.length]); // holder.description.setText(mPlaceDesc[position % mPlaceDesc.length]); holder.name.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { group_id = todoListTasks.get(holder.getAdapterPosition()).getId(); Log.e(TAG, "Group_id Send::" + group_id); Intent intent = new Intent(view.getContext(), DetailsTaskActivity.class); intent.putExtra("group_id", group_id); startActivity(intent); //Here goes your desired onClick behaviour. Like: Toast.makeText(view.getContext(), "You have clicked " + view.getId(), Toast.LENGTH_SHORT) .show(); //you can add data to the tag of your cardview in onBind... and retrieve it here with with.getTag().toString().. // //You can change the fragment, something like this, not tested, please correct for your desired output: // AppCompatActivity activity = (AppCompatActivity) view.getContext(); // MyFragment myFragment = new MyFragment(); // //Create a bundle to pass data, add data, set the bundle to your fragment and: // activity.getSupportFragmentManager().beginTransaction().replace(R.id.yourContainerId, myFragment).addToBackStack(null).commit(); } }); } @Override public int getItemCount() { return todoListTasks.size(); } } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.menu_main, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { // Handle action bar item clicks here. The action bar will // automatically handle clicks on the Home/Up button, so long // as you specify a parent activity in AndroidManifest.xml. int id = item.getItemId(); //noinspection SimplifiableIfStatement if (id == R.id.action_settings) { return true; } else if (id == android.R.id.home) { mDrawerLayout.openDrawer(GravityCompat.START); } return super.onOptionsItemSelected(item); } }