About package internal revamp

app/src/main/java/org/schabi/newpipe/about/AboutActivity.kt

@@ -0,0 +1,191 @@
+package org.schabi.newpipe.about
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.MenuItem
+import android.view.View
+import android.view.ViewGroup
+import android.widget.Button
+import androidx.appcompat.app.AppCompatActivity
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.FragmentActivity
+import androidx.viewpager2.adapter.FragmentStateAdapter
+import com.google.android.material.tabs.TabLayout
+import com.google.android.material.tabs.TabLayoutMediator
+import org.schabi.newpipe.BuildConfig
+import org.schabi.newpipe.R
+import org.schabi.newpipe.databinding.ActivityAboutBinding
+import org.schabi.newpipe.databinding.FragmentAboutBinding
+import org.schabi.newpipe.util.Localization
+import org.schabi.newpipe.util.ShareUtils
+import org.schabi.newpipe.util.ThemeHelper
+
+class AboutActivity : AppCompatActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        Localization.assureCorrectAppLanguage(this)
+        super.onCreate(savedInstanceState)
+        ThemeHelper.setTheme(this)
+        title = getString(R.string.title_activity_about)
+        val aboutBinding = ActivityAboutBinding.inflate(layoutInflater)
+        setContentView(aboutBinding.root)
+        setSupportActionBar(aboutBinding.aboutToolbar)
+        supportActionBar!!.setDisplayHomeAsUpEnabled(true)
+        // Create the adapter that will return a fragment for each of the three
+        // primary sections of the activity.
+        val mAboutStateAdapter = AboutStateAdapter(this)
+
+        // Set up the ViewPager with the sections adapter.
+        aboutBinding.aboutViewPager2.adapter = mAboutStateAdapter
+        TabLayoutMediator(
+            aboutBinding.aboutTabLayout,
+            aboutBinding.aboutViewPager2
+        ) { tab: TabLayout.Tab, position: Int ->
+            when (position) {
+                POS_ABOUT -> tab.setText(R.string.tab_about)
+                POS_LICENSE -> tab.setText(R.string.tab_licenses)
+                else -> throw IllegalArgumentException("Unknown position for ViewPager2")
+            }
+        }.attach()
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        if (item.itemId == android.R.id.home) {
+            finish()
+            return true
+        }
+        return super.onOptionsItemSelected(item)
+    }
+
+    /**
+     * A placeholder fragment containing a simple view.
+     */
+    class AboutFragment : Fragment() {
+        private fun Button.openLink(url: Int) {
+            setOnClickListener {
+                ShareUtils.openUrlInBrowser(
+                    context,
+                    requireContext().getString(url),
+                    false
+                )
+            }
+        }
+
+        override fun onCreateView(
+            inflater: LayoutInflater,
+            container: ViewGroup?,
+            savedInstanceState: Bundle?
+        ): View {
+            val aboutBinding = FragmentAboutBinding.inflate(inflater, container, false)
+            aboutBinding.aboutAppVersion.text = BuildConfig.VERSION_NAME
+            aboutBinding.aboutGithubLink.openLink(R.string.github_url)
+            aboutBinding.aboutDonationLink.openLink(R.string.donation_url)
+            aboutBinding.aboutWebsiteLink.openLink(R.string.website_url)
+            aboutBinding.aboutPrivacyPolicyLink.openLink(R.string.privacy_policy_url)
+            return aboutBinding.root
+        }
+    }
+
+    /**
+     * A [FragmentStateAdapter] that returns a fragment corresponding to
+     * one of the sections/tabs/pages.
+     */
+    private class AboutStateAdapter(fa: FragmentActivity) : FragmentStateAdapter(fa) {
+        override fun createFragment(position: Int): Fragment {
+            return when (position) {
+                POS_ABOUT -> AboutFragment()
+                POS_LICENSE -> LicenseFragment.newInstance(SOFTWARE_COMPONENTS)
+                else -> throw IllegalArgumentException("Unknown position for ViewPager2")
+            }
+        }
+
+        override fun getItemCount(): Int {
+            // Show 2 total pages.
+            return TOTAL_COUNT
+        }
+    }
+
+    companion object {
+        /**
+         * List of all software components.
+         */
+        private val SOFTWARE_COMPONENTS = arrayOf(
+            SoftwareComponent(
+                "ACRA", "2013", "Kevin Gaudin",
+                "https://github.com/ACRA/acra", StandardLicenses.APACHE2
+            ),
+            SoftwareComponent(
+                "AndroidX", "2005 - 2011", "The Android Open Source Project",
+                "https://developer.android.com/jetpack", StandardLicenses.APACHE2
+            ),
+            SoftwareComponent(
+                "CircleImageView", "2014 - 2020", "Henning Dodenhof",
+                "https://github.com/hdodenhof/CircleImageView", StandardLicenses.APACHE2
+            ),
+            SoftwareComponent(
+                "ExoPlayer", "2014 - 2020", "Google, Inc.",
+                "https://github.com/google/ExoPlayer", StandardLicenses.APACHE2
+            ),
+            SoftwareComponent(
+                "GigaGet", "2014 - 2015", "Peter Cai",
+                "https://github.com/PaperAirplane-Dev-Team/GigaGet", StandardLicenses.GPL3
+            ),
+            SoftwareComponent(
+                "Groupie", "2016", "Lisa Wray",
+                "https://github.com/lisawray/groupie", StandardLicenses.MIT
+            ),
+            SoftwareComponent(
+                "Icepick", "2015", "Frankie Sardo",
+                "https://github.com/frankiesardo/icepick", StandardLicenses.EPL1
+            ),
+            SoftwareComponent(
+                "Jsoup", "2009 - 2020", "Jonathan Hedley",
+                "https://github.com/jhy/jsoup", StandardLicenses.MIT
+            ),
+            SoftwareComponent(
+                "Markwon", "2019", "Dimitry Ivanov",
+                "https://github.com/noties/Markwon", StandardLicenses.APACHE2
+            ),
+            SoftwareComponent(
+                "Material Components for Android", "2016 - 2020", "Google, Inc.",
+                "https://github.com/material-components/material-components-android",
+                StandardLicenses.APACHE2
+            ),
+            SoftwareComponent(
+                "NewPipe Extractor", "2017 - 2020", "Christian Schabesberger",
+                "https://github.com/TeamNewPipe/NewPipeExtractor", StandardLicenses.GPL3
+            ),
+            SoftwareComponent(
+                "NoNonsense-FilePicker", "2016", "Jonas Kalderstam",
+                "https://github.com/spacecowboy/NoNonsense-FilePicker", StandardLicenses.MPL2
+            ),
+            SoftwareComponent(
+                "OkHttp", "2019", "Square, Inc.",
+                "https://square.github.io/okhttp/", StandardLicenses.APACHE2
+            ),
+            SoftwareComponent(
+                "PrettyTime", "2012 - 2020", "Lincoln Baxter, III",
+                "https://github.com/ocpsoft/prettytime", StandardLicenses.APACHE2
+            ),
+            SoftwareComponent(
+                "RxAndroid", "2015", "The RxAndroid authors",
+                "https://github.com/ReactiveX/RxAndroid", StandardLicenses.APACHE2
+            ),
+            SoftwareComponent(
+                "RxBinding", "2015", "Jake Wharton",
+                "https://github.com/JakeWharton/RxBinding", StandardLicenses.APACHE2
+            ),
+            SoftwareComponent(
+                "RxJava", "2016 - 2020", "RxJava Contributors",
+                "https://github.com/ReactiveX/RxJava", StandardLicenses.APACHE2
+            ),
+            SoftwareComponent(
+                "Universal Image Loader", "2011 - 2015", "Sergey Tarasevich",
+                "https://github.com/nostra13/Android-Universal-Image-Loader",
+                StandardLicenses.APACHE2
+            )
+        )
+        private const val POS_ABOUT = 0
+        private const val POS_LICENSE = 1
+        private const val TOTAL_COUNT = 2
+    }
+}