Android/app/src/main/java/com/moiseum/wolnelektury/base/AbstractActivity.java

   1 package com.moiseum.wolnelektury.base;
   2
   3 import android.content.ComponentName;
   4 import android.content.Intent;
   5 import android.content.pm.ApplicationInfo;
   6 import android.content.pm.PackageManager;
   7 import android.net.Uri;
   8 import android.os.Bundle;
   9 import android.support.annotation.Nullable;
  10 import android.support.customtabs.CustomTabsClient;
  11 import android.support.customtabs.CustomTabsIntent;
  12 import android.support.customtabs.CustomTabsServiceConnection;
  13 import android.support.v4.content.ContextCompat;
  14 import android.support.v7.app.ActionBar;
  15 import android.support.v7.app.AppCompatActivity;
  16 import android.support.v7.widget.Toolbar;
  17 import android.view.MenuItem;
  18 import android.widget.Toast;
  19
  20 import com.moiseum.wolnelektury.R;
  21 import com.moiseum.wolnelektury.connection.RestClient;
  22 import com.moiseum.wolnelektury.utils.SharedPreferencesUtils;
  23 import com.moiseum.wolnelektury.view.login.LoginActivity;
  24
  25 import java.util.List;
  26
  27 import butterknife.ButterKnife;
  28 import io.reactivex.disposables.CompositeDisposable;
  29 import io.reactivex.disposables.Disposable;
  30
  31 public abstract class AbstractActivity extends AppCompatActivity {
  32
  33         private static final String CHROME_PACKAGE_ID = "com.android.chrome";
  34
  35         private CompositeDisposable disposables = new CompositeDisposable();
  36
  37         @Override
  38         protected void onCreate(@Nullable Bundle savedInstanceState) {
  39                 super.onCreate(savedInstanceState);
  40                 //              ActionBar actionBar = getSupportActionBar();
  41                 //              if (actionBar != null) {
  42                 //                      actionBar.setElevation(0);
  43                 //              }
  44
  45                 setContentView(getLayoutResourceId());
  46                 ButterKnife.bind(this);
  47                 prepareView(savedInstanceState);
  48         }
  49
  50         @Override
  51         public boolean onOptionsItemSelected(MenuItem item) {
  52                 switch (item.getItemId()) {
  53                         case android.R.id.home:
  54                                 onHomeClicked();
  55                                 return true;
  56                 }
  57                 return super.onOptionsItemSelected(item);
  58         }
  59
  60         @Override
  61         protected void onDestroy() {
  62                 super.onDestroy();
  63                 disposables.dispose();
  64         }
  65
  66         protected void addDisposable(Disposable disposable) {
  67                 this.disposables.add(disposable);
  68         }
  69
  70         protected void onHomeClicked() {
  71                 finish();
  72         }
  73
  74         protected void setBackButtonEnable(boolean enable) {
  75                 ActionBar actionBar = getSupportActionBar();
  76                 if (actionBar != null) {
  77                         actionBar.setDisplayHomeAsUpEnabled(enable);
  78                 }
  79         }
  80
  81         protected void hideToolbar() {
  82                 ActionBar actionBar = getSupportActionBar();
  83                 if (actionBar != null) {
  84                         actionBar.hide();
  85                 }
  86         }
  87
  88         protected void setupToolbar(Toolbar toolbar) {
  89                 if (toolbar != null) {
  90                         setSupportActionBar(toolbar);
  91                         getSupportActionBar().setDisplayHomeAsUpEnabled(true);
  92                         getSupportActionBar().setDisplayShowHomeEnabled(true);
  93                 }
  94         }
  95
  96         protected void showPayPalForm() {
  97                 SharedPreferencesUtils preferences = WLApplication.getInstance().getPreferences();
  98                 if (preferences.isUserLoggedIn()) {
  99                         showBrowserView(Uri.parse(RestClient.WEB_PAYPAL_FORM_URL));
 100                 } else {
 101                         startActivity(new LoginActivity.LoginIntent(this));
 102                 }
 103         }
 104
 105         protected void showBrowserView(Uri uri) {
 106                 if (checkForPackageExistance(CHROME_PACKAGE_ID)) {
 107                         CustomTabsServiceConnection connection = new CustomTabsServiceConnection() {
 108                                 @Override
 109                                 public void onCustomTabsServiceConnected(ComponentName componentName, CustomTabsClient client) {
 110                                         CustomTabsIntent intent = new CustomTabsIntent.Builder()
 111                                                         .setToolbarColor(ContextCompat.getColor(AbstractActivity.this, R.color.colorAccent))
 112                                                         .build();
 113
 114                                         client.warmup(0L);
 115                                         intent.launchUrl(AbstractActivity.this, uri);
 116                                 }
 117
 118                                 @Override
 119                                 public void onServiceDisconnected(ComponentName name) {
 120
 121                                 }
 122                         };
 123                         CustomTabsClient.bindCustomTabsService(this, CHROME_PACKAGE_ID, connection);
 124                 } else {
 125                         Intent intent = new Intent(Intent.ACTION_VIEW, uri);
 126                         if (intent.resolveActivity(getPackageManager()) != null) {
 127                                 startActivity(intent);
 128                         } else {
 129                                 Toast.makeText(this, R.string.install_chrome, Toast.LENGTH_LONG).show();
 130                         }
 131                 }
 132         }
 133
 134         private boolean checkForPackageExistance(String targetPackage) {
 135                 List<ApplicationInfo> packages;
 136                 PackageManager pm;
 137
 138                 pm = getPackageManager();
 139                 packages = pm.getInstalledApplications(0);
 140                 for (ApplicationInfo packageInfo : packages) {
 141                         if (packageInfo.packageName.equals(targetPackage)) {
 142                                 return true;
 143                         }
 144                 }
 145                 return false;
 146         }
 147
 148         /**
 149          * Providing layout resource ID for inflating.
 150          *
 151          * @return layout resource ID.
 152          */
 153         public abstract int getLayoutResourceId();
 154
 155         /**
 156          * Method called from @link{{@link AbstractActivity}#onCreate}. This will be the place to setup view stuff.
 157          *
 158          * @param savedInstanceState Bundle with current instance state.
 159          */
 160         public abstract void prepareView(Bundle savedInstanceState);
 161 }