Added Android code

[wl-app.git] / Android / app / src / main / java / com / moiseum / wolnelektury / base / AbstractActivity.java

diff --git a/Android/app/src/main/java/com/moiseum/wolnelektury/base/AbstractActivity.java b/Android/app/src/main/java/com/moiseum/wolnelektury/base/AbstractActivity.java
new file mode 100644 (file)
index 0000000..a4c3695
--- /dev/null
+++ b/Android/app/src/main/java/com/moiseum/wolnelektury/base/AbstractActivity.java
@@ -0,0 +1,161 @@
+package com.moiseum.wolnelektury.base;
+
+import android.content.ComponentName;
+import android.content.Intent;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageManager;
+import android.net.Uri;
+import android.os.Bundle;
+import android.support.annotation.Nullable;
+import android.support.customtabs.CustomTabsClient;
+import android.support.customtabs.CustomTabsIntent;
+import android.support.customtabs.CustomTabsServiceConnection;
+import android.support.v4.content.ContextCompat;
+import android.support.v7.app.ActionBar;
+import android.support.v7.app.AppCompatActivity;
+import android.support.v7.widget.Toolbar;
+import android.view.MenuItem;
+import android.widget.Toast;
+
+import com.moiseum.wolnelektury.R;
+import com.moiseum.wolnelektury.connection.RestClient;
+import com.moiseum.wolnelektury.utils.SharedPreferencesUtils;
+import com.moiseum.wolnelektury.view.login.LoginActivity;
+
+import java.util.List;
+
+import butterknife.ButterKnife;
+import io.reactivex.disposables.CompositeDisposable;
+import io.reactivex.disposables.Disposable;
+
+public abstract class AbstractActivity extends AppCompatActivity {
+
+       private static final String CHROME_PACKAGE_ID = "com.android.chrome";
+
+       private CompositeDisposable disposables = new CompositeDisposable();
+
+       @Override
+       protected void onCreate(@Nullable Bundle savedInstanceState) {
+               super.onCreate(savedInstanceState);
+               //              ActionBar actionBar = getSupportActionBar();
+               //              if (actionBar != null) {
+               //                      actionBar.setElevation(0);
+               //              }
+
+               setContentView(getLayoutResourceId());
+               ButterKnife.bind(this);
+               prepareView(savedInstanceState);
+       }
+
+       @Override
+       public boolean onOptionsItemSelected(MenuItem item) {
+               switch (item.getItemId()) {
+                       case android.R.id.home:
+                               onHomeClicked();
+                               return true;
+               }
+               return super.onOptionsItemSelected(item);
+       }
+
+       @Override
+       protected void onDestroy() {
+               super.onDestroy();
+               disposables.dispose();
+       }
+
+       protected void addDisposable(Disposable disposable) {
+               this.disposables.add(disposable);
+       }
+
+       protected void onHomeClicked() {
+               finish();
+       }
+
+       protected void setBackButtonEnable(boolean enable) {
+               ActionBar actionBar = getSupportActionBar();
+               if (actionBar != null) {
+                       actionBar.setDisplayHomeAsUpEnabled(enable);
+               }
+       }
+
+       protected void hideToolbar() {
+               ActionBar actionBar = getSupportActionBar();
+               if (actionBar != null) {
+                       actionBar.hide();
+               }
+       }
+
+       protected void setupToolbar(Toolbar toolbar) {
+               if (toolbar != null) {
+                       setSupportActionBar(toolbar);
+                       getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+                       getSupportActionBar().setDisplayShowHomeEnabled(true);
+               }
+       }
+
+       protected void showPayPalForm() {
+               SharedPreferencesUtils preferences = WLApplication.getInstance().getPreferences();
+               if (preferences.isUserLoggedIn()) {
+                       showBrowserView(Uri.parse(RestClient.WEB_PAYPAL_FORM_URL));
+               } else {
+                       startActivity(new LoginActivity.LoginIntent(this));
+               }
+       }
+
+       protected void showBrowserView(Uri uri) {
+               if (checkForPackageExistance(CHROME_PACKAGE_ID)) {
+                       CustomTabsServiceConnection connection = new CustomTabsServiceConnection() {
+                               @Override
+                               public void onCustomTabsServiceConnected(ComponentName componentName, CustomTabsClient client) {
+                                       CustomTabsIntent intent = new CustomTabsIntent.Builder()
+                                                       .setToolbarColor(ContextCompat.getColor(AbstractActivity.this, R.color.colorAccent))
+                                                       .build();
+
+                                       client.warmup(0L);
+                                       intent.launchUrl(AbstractActivity.this, uri);
+                               }
+
+                               @Override
+                               public void onServiceDisconnected(ComponentName name) {
+
+                               }
+                       };
+                       CustomTabsClient.bindCustomTabsService(this, CHROME_PACKAGE_ID, connection);
+               } else {
+                       Intent intent = new Intent(Intent.ACTION_VIEW, uri);
+                       if (intent.resolveActivity(getPackageManager()) != null) {
+                               startActivity(intent);
+                       } else {
+                               Toast.makeText(this, R.string.install_chrome, Toast.LENGTH_LONG).show();
+                       }
+               }
+       }
+
+       private boolean checkForPackageExistance(String targetPackage) {
+               List<ApplicationInfo> packages;
+               PackageManager pm;
+
+               pm = getPackageManager();
+               packages = pm.getInstalledApplications(0);
+               for (ApplicationInfo packageInfo : packages) {
+                       if (packageInfo.packageName.equals(targetPackage)) {
+                               return true;
+                       }
+               }
+               return false;
+       }
+       
+       /**
+        * Providing layout resource ID for inflating.
+        *
+        * @return layout resource ID.
+        */
+       public abstract int getLayoutResourceId();
+
+       /**
+        * Method called from @link{{@link AbstractActivity}#onCreate}. This will be the place to setup view stuff.
+        *
+        * @param savedInstanceState Bundle with current instance state.
+        */
+       public abstract void prepareView(Bundle savedInstanceState);
+}