Java tutorial
/** * True Sight for Dota 2 * Copyright (C) 2016 Paul Broadbent * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see http://www.gnu.org/licenses/ */ //TODO-now: finish off the details in making MainActivity MVP package com.carver.paul.truesight.Ui; import android.Manifest; import android.content.Context; import android.content.Intent; import android.content.pm.PackageManager; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.net.ConnectivityManager; import android.net.NetworkInfo; import android.os.Bundle; import android.support.design.widget.NavigationView; import android.support.v4.app.ActivityCompat; import android.support.v4.content.ContextCompat; import android.support.v4.view.GravityCompat; import android.support.v4.widget.DrawerLayout; import android.support.v7.app.ActionBarDrawerToggle; import android.support.v7.app.AppCompatActivity; import android.support.v7.widget.Toolbar; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.view.WindowManager; import android.view.animation.Animation; import android.view.animation.ScaleAnimation; import android.widget.ImageView; import android.widget.ScrollView; import com.carver.paul.truesight.R; import com.carver.paul.truesight.Ui.AbilityInfo.AbilityDebuffPresenter; import com.carver.paul.truesight.Ui.AbilityInfo.AbilityInfoPresenter; import com.carver.paul.truesight.Ui.CounterPicker.CounterPickerPresenter; import com.carver.paul.truesight.Ui.DotaCamera.CameraActivity; import com.carver.paul.truesight.Ui.HeroesDetected.HeroesDetectedFragment; import com.carver.paul.truesight.Ui.HeroesDetected.HeroesDetectedPresenter; import com.carver.paul.truesight.Ui.widget.ExpandingViewPager; import com.carver.paul.truesight.Ui.widget.SlidingTabLayout; import com.carver.paul.truesight.Ui.widget.ViewPagerAdapter; import java.util.ArrayList; import java.util.Arrays; import java.util.List; //TODO-beauty: Write tests to check if all hero images load, and if all hero ability icons draw and // all hero abilities have text //TODO-now: Check all new ability icons, I think that when I updated them the ones online were not // right. Also Loan Druid's new ability Savage Roar wasn't even there // http://www.dota2.com/hero/Lone_Druid/ //TODO-next: test much more for crashes, there is something wrong somewhere. The camera threading?? //TODO-beauty: support rotating the screen! //TODO-someday: add tab view so you can slide to change hero rather them all being piled up in one place //TODO-someday: Make card borders 0 on small displays //TODO-next: Detect empty box for when no hero picked yet (note, this isn't as easy as it may seem!) //TODO-next: Add rate this app button //TODO-someday: Add a way to keep both dire and radiant photos //TODO-next: Add map with creep camp stack timings //TODO-someday: Add details for escape and invisibility abilities: // http://dota2.gamepedia.com/Teleport // http://dota2.gamepedia.com/Invisibility //TODO-next: find out whether it's ok to have Valve's images on github //TODO-next: make screenshots in the Google Play Store higher definition //TODO-someday: learn about layout optimisation // http://developer.android.com/training/improving-layouts/optimizing-layout.html public class MainActivity extends AppCompatActivity implements NavigationView.OnNavigationItemSelectedListener { // sDebugMode is true if I want to show extra debug information. It is ignored when // BuildConfig.DEBUG is false (i.e. the app is compiled for release) public static boolean sDebugMode = false; public static final String PHOTO_FILE_NAME = "photo.jpg"; private static final String TAG = "MainActivity"; private static final int CAMERA_ACTIVITY_REQUEST_CODE = 100; protected static final int MY_PERMISSIONS_REQUEST_CAMERA = 101; private static final List<Integer> TAB_TITLE_RES_IDS = Arrays.asList(R.string.counter_picker, R.string.hero_abilities, R.string.dispells); private MainActivityPresenter mPresenter; static { // Ensure this library isn't loaded when running robolectric tests, it makes them crash if (System.getenv("ROBOLECTRIC") == null) { System.loadLibrary("opencv_java3"); } } @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); setSupportActionBar(toolbar); DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout); ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close); drawer.setDrawerListener(toggle); toggle.syncState(); NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view); navigationView.setNavigationItemSelectedListener(this); ViewPagerAdapter adapter = createViewPager(); HeroesDetectedFragment heroesDetectedFragment = (HeroesDetectedFragment) getFragmentManager() .findFragmentById(R.id.fragment_found_heroes); HeroesDetectedPresenter heroesDetectedPresenter = heroesDetectedFragment.getPresenter(); CounterPickerPresenter counterPickerPresenter = adapter.getCounterPickerPresenter(); AbilityInfoPresenter abilityInfoPresenter = adapter.getAbilityInfoPresenter(); AbilityDebuffPresenter abilityDebuffPresenter = adapter.getAbilityDebuffPresenter(); mPresenter = new MainActivityPresenter(this, heroesDetectedPresenter, abilityInfoPresenter, abilityDebuffPresenter, counterPickerPresenter); // Hide the keyboard getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN); } @Override public void onBackPressed() { DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout); if (drawer.isDrawerOpen(GravityCompat.START)) { drawer.closeDrawer(GravityCompat.START); } else { super.onBackPressed(); } } @Override public void onRequestPermissionsResult(int requestCode, String permissions[], int[] grantResults) { switch (requestCode) { case MY_PERMISSIONS_REQUEST_CAMERA: { // If request is cancelled, the result arrays are empty. if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) { startCameraActivity(); } else { // permission denied, boo! Disable the // functionality that depends on this permission. } } } } @Override public boolean onNavigationItemSelected(MenuItem item) { // Handle navigation view item clicks here. switch (item.getItemId()) { case R.id.about: startAboutActivity(); break; case R.id.demo: mPresenter.demoPhotoRecognition(); break; case R.id.use_last_photo: mPresenter.useLastPhoto(); break; } /* } else if (id == R.id.debug_specific_hue) { startDebugLineActivity(); }*/ /* } else if (id == R.id.debug_whole_process) { startDebugWholeProcessActivity();*/ DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout); drawer.closeDrawer(GravityCompat.START); return true; } @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; } // Handle the buttons in the toolbar @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.action_take_photo: mPresenter.takePhotoButton(); return true; default: // If we got here, the user's action was not recognized. // Invoke the superclass to handle it. return super.onOptionsItemSelected(item); } } /* public void startDebugLineActivity() { Intent intent = new Intent(this, DebugLineDetectionActivity.class); startActivity(intent); } public void startDebugWholeProcessActivity() { Intent intent = new Intent(this, DebugWholeProcessActivity.class); startActivity(intent); } */ public void startAboutActivity() { Intent intent = new Intent(this, AboutActivity.class); startActivity(intent); } public void clearButton(View view) { mPresenter.clearButton(); } protected boolean isNetworkAvailable() { ConnectivityManager connectivityManager = (ConnectivityManager) getSystemService( Context.CONNECTIVITY_SERVICE); NetworkInfo activeNetworkInfo = connectivityManager.getActiveNetworkInfo(); return activeNetworkInfo != null && activeNetworkInfo.isConnected(); } protected void hideTip() { View view = findViewById(R.id.text_opening_tip); view.setVisibility(View.GONE); } protected void startCameraActivity() { if (checkForCameraPermission()) { Intent intent = new Intent(this, CameraActivity.class); startActivityForResult(intent, CAMERA_ACTIVITY_REQUEST_CODE); } } protected void showClearFab() { View fab = findViewById(R.id.fab_clear); fab.setVisibility(View.VISIBLE); if (fab.getAlpha() != 1f) { fab.animate().alpha(1f).setDuration(150).setStartDelay(50); } } protected void hideClearFab() { View fab = findViewById(R.id.fab_clear); if (fab.getAlpha() != 0f) { fab.animate().alpha(0f).setDuration(150); } } /** * Starts the animations to show that photo recognition is running in the background. * @param photo */ protected void startHeroRecognitionLoadingAnimations(Bitmap photo) { setTopImage(photo); findViewById(R.id.text_opening_tip).setVisibility(View.GONE); findViewById(R.id.tabs).setVisibility(View.GONE); pulseCameraImage(); } /** * stopHeroRecognitionLoadingAnimations shows makes the the camera do one final pulse, and * then fades it away */ protected void stopHeroRecognitionLoadingAnimations() { View processingText = findViewById(R.id.text_processing_image); processingText.animate().alpha(0).setDuration(150); View cameraImage = findViewById(R.id.image_pulsing_camera); Animation animation = cameraImage.getAnimation(); if (animation != null) { animation.setRepeatCount(0); } cameraImage.animate().alpha(0).setDuration(150); } protected void showPager() { findViewById(R.id.tabs).setVisibility(View.VISIBLE); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { if (requestCode == CAMERA_ACTIVITY_REQUEST_CODE) { if (resultCode == RESULT_OK) { mPresenter.doImageRecognitionOnPhoto(); } else if (resultCode == RESULT_CANCELED) { // User cancelled the image capture } else { // Image capture failed, advise user } } } protected Bitmap getSamplePhoto() { return BitmapFactory.decodeResource(getResources(), R.drawable.sample_photo); } protected void hidePhoto() { findViewById(R.id.image_top).setVisibility(View.GONE); } protected void scrollToTop() { ScrollView scrollView = (ScrollView) findViewById(R.id.scroll_view); scrollView.fullScroll(ScrollView.FOCUS_UP); } private boolean checkForCameraPermission() { int permissionCheck = ContextCompat.checkSelfPermission(this, Manifest.permission.CAMERA); if (permissionCheck != PackageManager.PERMISSION_GRANTED) { ActivityCompat.requestPermissions(this, new String[] { Manifest.permission.CAMERA }, MY_PERMISSIONS_REQUEST_CAMERA); return false; } else { return true; } } /** * Based on code from: * http://www.android4devs.com/2015/01/how-to-make-material-design-sliding-tabs.html */ private ViewPagerAdapter createViewPager() { List<String> tabTitles = new ArrayList<>(); for (Integer resId : TAB_TITLE_RES_IDS) { tabTitles.add(getString(resId)); } ViewPagerAdapter adapter = new ViewPagerAdapter(getSupportFragmentManager(), tabTitles); ExpandingViewPager pager = (ExpandingViewPager) findViewById(R.id.pager); pager.setAdapter(adapter); SlidingTabLayout tabs = (SlidingTabLayout) findViewById(R.id.tabs); tabs.setDistributeEvenly(true); // Setting Custom Color for the Scroll bar indicator of the Tab View tabs.setCustomTabColorizer(new SlidingTabLayout.TabColorizer() { @Override public int getIndicatorColor(int position) { return getResources().getColor(R.color.tabsScrollColor); } }); // Setting the ViewPager For the SlidingTabsLayout tabs.setViewPager(pager); return adapter; } private void setTopImage(Bitmap photoBitmap) { ImageView topImage = (ImageView) findViewById(R.id.image_top); topImage.setVisibility(View.VISIBLE); topImage.setImageBitmap(photoBitmap); } /** * Makes the camera pulse infinitely (will be stopped when loading completes) */ //TODO-nextversion: Make camera do something other than pulse - it implies you should press // it! private void pulseCameraImage() { //Code using the old Animation class, rather than the new ViewPropertyAnimator //Infinite repeat is easier to implement this way View cameraImage = findViewById(R.id.image_pulsing_camera); cameraImage.setVisibility(View.VISIBLE); cameraImage.setAlpha(1f); ScaleAnimation pulse = new ScaleAnimation(1f, 0.8f, 1f, 0.8f, Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f); pulse.setDuration(250); pulse.setRepeatCount(Animation.INFINITE); pulse.setRepeatMode(Animation.REVERSE); cameraImage.startAnimation(pulse); View processingText = findViewById(R.id.text_processing_image); processingText.setAlpha(1f); processingText.setVisibility(View.VISIBLE); } }