From 854b584356111f5c65d06f2aba3f0ba93d47175f Mon Sep 17 00:00:00 2001 From: Ammar Githam Date: Tue, 13 Jul 2021 23:57:48 +0900 Subject: [PATCH] Convert DirectorySelectActivity to kotlin --- .../activities/DirectorySelectActivity.kt | 203 +++++++++--------- 1 file changed, 103 insertions(+), 100 deletions(-) diff --git a/app/src/main/java/awais/instagrabber/activities/DirectorySelectActivity.kt b/app/src/main/java/awais/instagrabber/activities/DirectorySelectActivity.kt index d5c316c1..5bef280e 100644 --- a/app/src/main/java/awais/instagrabber/activities/DirectorySelectActivity.kt +++ b/app/src/main/java/awais/instagrabber/activities/DirectorySelectActivity.kt @@ -1,129 +1,132 @@ -package awais.instagrabber.activities; +package awais.instagrabber.activities -import android.annotation.SuppressLint; -import android.content.ActivityNotFoundException; -import android.content.Intent; -import android.net.Uri; -import android.os.Build; -import android.os.Bundle; -import android.provider.DocumentsContract; -import android.util.Log; -import android.view.View; +import android.annotation.SuppressLint +import android.content.ActivityNotFoundException +import android.content.Intent +import android.net.Uri +import android.os.Build +import android.os.Bundle +import android.provider.DocumentsContract +import android.util.Log +import android.view.View +import androidx.lifecycle.ViewModelProvider +import awais.instagrabber.R +import awais.instagrabber.databinding.ActivityDirectorySelectBinding +import awais.instagrabber.dialogs.ConfirmDialogFragment +import awais.instagrabber.utils.AppExecutors.mainThread +import awais.instagrabber.utils.Constants +import awais.instagrabber.utils.extensions.TAG +import awais.instagrabber.viewmodels.DirectorySelectActivityViewModel +import java.io.IOException +import java.io.PrintWriter +import java.io.StringWriter -import androidx.annotation.NonNull; -import androidx.annotation.Nullable; -import androidx.lifecycle.ViewModelProvider; +class DirectorySelectActivity : BaseLanguageActivity() { + private var initialUri: Uri? = null -import java.io.IOException; -import java.io.PrintWriter; -import java.io.StringWriter; + private lateinit var binding: ActivityDirectorySelectBinding + private lateinit var viewModel: DirectorySelectActivityViewModel -import awais.instagrabber.R; -import awais.instagrabber.databinding.ActivityDirectorySelectBinding; -import awais.instagrabber.dialogs.ConfirmDialogFragment; -import awais.instagrabber.utils.AppExecutors; -import awais.instagrabber.viewmodels.DirectorySelectActivityViewModel; - -public class DirectorySelectActivity extends BaseLanguageActivity { - private static final String TAG = DirectorySelectActivity.class.getSimpleName(); - public static final int SELECT_DIR_REQUEST_CODE = 0x01; - private static final int ERROR_REQUEST_CODE = 0x02; - - private Uri initialUri; - private ActivityDirectorySelectBinding binding; - private DirectorySelectActivityViewModel viewModel; - - @Override - protected void onCreate(@Nullable final Bundle savedInstanceState) { - super.onCreate(savedInstanceState); - binding = ActivityDirectorySelectBinding.inflate(getLayoutInflater()); - setContentView(binding.getRoot()); - viewModel = new ViewModelProvider(this).get(DirectorySelectActivityViewModel.class); - setupObservers(); - binding.selectDir.setOnClickListener(v -> openDirectoryChooser()); - AppExecutors.INSTANCE.getMainThread().execute(() -> viewModel.setInitialUri(getIntent())); + override fun onCreate(savedInstanceState: Bundle?) { + super.onCreate(savedInstanceState) + binding = ActivityDirectorySelectBinding.inflate(layoutInflater) + setContentView(binding.root) + viewModel = ViewModelProvider(this).get(DirectorySelectActivityViewModel::class.java) + val intent = intent + viewModel.setInitialUri(intent) + setupObservers() + binding.selectDir.setOnClickListener { openDirectoryChooser() } + initialUri = intent.getParcelableExtra(Constants.EXTRA_INITIAL_URI) } - private void setupObservers() { - viewModel.getMessage().observe(this, message -> binding.message.setText(message)); - viewModel.getPrevUri().observe(this, prevUri -> { + private fun setupObservers() { + viewModel.message.observe(this, { message: String? -> binding.message.text = message }) + viewModel.prevUri.observe(this, { prevUri: String? -> if (prevUri == null) { - binding.prevUri.setVisibility(View.GONE); - binding.message2.setVisibility(View.GONE); - return; + binding.prevUri.visibility = View.GONE + binding.message2.visibility = View.GONE + return@observe } - binding.prevUri.setText(prevUri); - binding.prevUri.setVisibility(View.VISIBLE); - binding.message2.setVisibility(View.VISIBLE); - }); - viewModel.getDirSuccess().observe(this, success -> binding.selectDir.setVisibility(success ? View.GONE : View.VISIBLE)); - viewModel.isLoading().observe(this, loading -> { - binding.message.setVisibility(loading ? View.GONE : View.VISIBLE); - binding.loadingIndicator.setVisibility(loading ? View.VISIBLE : View.GONE); - }); + binding.prevUri.text = prevUri + binding.prevUri.visibility = View.VISIBLE + binding.message2.visibility = View.VISIBLE + }) + viewModel.dirSuccess.observe(this, { success: Boolean -> binding.selectDir.visibility = if (success) View.GONE else View.VISIBLE }) + viewModel.isLoading.observe(this, { loading: Boolean -> + binding.message.visibility = if (loading) View.GONE else View.VISIBLE + binding.loadingIndicator.visibility = if (loading) View.VISIBLE else View.GONE + }) } - private void openDirectoryChooser() { - final Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT_TREE); + private fun openDirectoryChooser() { + val intent = Intent(Intent.ACTION_OPEN_DOCUMENT_TREE) if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O && initialUri != null) { - intent.putExtra(DocumentsContract.EXTRA_INITIAL_URI, initialUri); + intent.putExtra(DocumentsContract.EXTRA_INITIAL_URI, initialUri) } try { - startActivityForResult(intent, SELECT_DIR_REQUEST_CODE); - } catch (ActivityNotFoundException e) { - Log.e(TAG, "openDirectoryChooser: ", e); - showErrorDialog(getString(R.string.no_directory_picker_activity)); - } catch (Exception e) { - Log.e(TAG, "openDirectoryChooser: ", e); + startActivityForResult(intent, SELECT_DIR_REQUEST_CODE) + } catch (e: ActivityNotFoundException) { + Log.e(TAG, "openDirectoryChooser: ", e) + showErrorDialog(getString(R.string.no_directory_picker_activity)) + } catch (e: Exception) { + Log.e(TAG, "openDirectoryChooser: ", e) } } @SuppressLint("StringFormatInvalid") - @Override - protected void onActivityResult(final int requestCode, final int resultCode, @Nullable final Intent data) { - super.onActivityResult(requestCode, resultCode, data); - if (requestCode != SELECT_DIR_REQUEST_CODE) return; + override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) { + super.onActivityResult(requestCode, resultCode, data) + if (requestCode != SELECT_DIR_REQUEST_CODE) return if (resultCode != RESULT_OK) { - showErrorDialog(getString(R.string.select_a_folder)); - return; + showErrorDialog(getString(R.string.select_a_folder)) + return } - if (data == null || data.getData() == null) { - showErrorDialog(getString(R.string.select_a_folder)); - return; + if (data == null || data.data == null) { + showErrorDialog(getString(R.string.select_a_folder)) + return } - if (!"com.android.externalstorage.documents".equals(data.getData().getAuthority())) { - showErrorDialog(getString(R.string.dir_select_no_download_folder, data.getData().getAuthority())); - return; + val authority = data.data?.authority + if ("com.android.externalstorage.documents" != authority) { + showErrorDialog(getString(R.string.dir_select_no_download_folder, authority)) + return } - AppExecutors.INSTANCE.getMainThread().execute(() -> { + mainThread.execute({ try { - viewModel.setupSelectedDir(data); - final Intent intent = new Intent(this, MainActivity.class); - startActivity(intent); - finish(); - } catch (Exception e) { + viewModel.setupSelectedDir(data) + val intent = Intent(this, MainActivity::class.java) + startActivity(intent) + finish() + } catch (e: Exception) { // Should not come to this point. // If it does, we have to show this error to the user so that they can report it. - try (final StringWriter sw = new StringWriter(); - final PrintWriter pw = new PrintWriter(sw)) { - e.printStackTrace(pw); - showErrorDialog("Please report this error to the developers:\n\n" + sw.toString()); - } catch (IOException ioException) { - Log.e(TAG, "onActivityResult: ", ioException); + try { + StringWriter().use { sw -> + PrintWriter(sw).use { pw -> + e.printStackTrace(pw) + showErrorDialog("Please report this error to the developers:\n\n$sw") + } + } + } catch (ioException: IOException) { + Log.e(TAG, "onActivityResult: ", ioException) } } - }, 500); + }, 500) } - private void showErrorDialog(@NonNull final String message) { - final ConfirmDialogFragment dialogFragment = ConfirmDialogFragment.newInstance( - ERROR_REQUEST_CODE, - R.string.error, - message, - R.string.ok, - 0, - 0 - ); - dialogFragment.show(getSupportFragmentManager(), ConfirmDialogFragment.class.getSimpleName()); + private fun showErrorDialog(message: String) { + val dialogFragment = ConfirmDialogFragment.newInstance( + ERROR_REQUEST_CODE, + R.string.error, + message, + R.string.ok, + 0, + 0 + ) + dialogFragment.show(supportFragmentManager, ConfirmDialogFragment::class.java.simpleName) } -} + + companion object { + const val SELECT_DIR_REQUEST_CODE = 0x01 + private const val ERROR_REQUEST_CODE = 0x02 + } +} \ No newline at end of file