Export import data option on data splash screen

Author: AJenbo

android-project/app/src/main/java/org/diasurgical/devilutionx/DataActivity.java

@@ -130,6 +130,11 @@ private boolean isMissingGameData() {
 				(!fileManager.hasFile("spawn.mpq") || isDownloadingSpawn);
 	}
 
+	public void importData(View view) {
+		Intent intent = new Intent(this, ImportActivity.class);
+		startActivity(intent);
+	}
+
 	/**
 	 * Start downloading the shareware
 	 */

android-project/app/src/main/java/org/diasurgical/devilutionx/ImportActivity.java

@@ -24,6 +24,7 @@
 public class ImportActivity extends Activity {
 
 	private static final int IMPORT_REQUEST_CODE = 0xD1AB70;
+	private boolean userConfirmed = false;
 
 	@RequiresApi(api = Build.VERSION_CODES.KITKAT)
 	@Override
@@ -36,12 +37,16 @@ protected void onCreate(Bundle savedInstanceState) {
 		AlertDialog.Builder builder = new AlertDialog.Builder(this);
 		builder.setMessage(getString(R.string.import_data_info, externalFilesDir));
 		builder.setPositiveButton(R.string.ok_button, (dialog, which) -> {
+			this.userConfirmed = true;
 			Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
 			intent.addCategory(Intent.CATEGORY_OPENABLE);
 			intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
 			intent.setType("*/*");
 			startActivityForResult(intent, IMPORT_REQUEST_CODE);
 		});
+		builder.setOnDismissListener(dialog -> {
+			if (!this.userConfirmed && !isFinishing()) finish();
+		});
 
 		AlertDialog dialog = builder.create();
 		dialog.show();
@@ -76,6 +81,8 @@ protected void onActivityResult(int requestCode, int resultCode, @Nullable Inten
 
 			AlertDialog dialog = builder.create();
 			dialog.show();
+		} else {
+			super.onBackPressed();
 		}
 	}
 

android-project/app/src/main/res/layout/activity_data.xml

@@ -54,16 +54,37 @@
 		app:layout_constraintEnd_toEndOf="parent"
 		app:layout_constraintStart_toStartOf="parent" />
 
-	<Button
-		android:id="@+id/download_button"
-		android:layout_width="wrap_content"
+	<LinearLayout
+		android:id="@+id/import_buttons"
+		android:layout_width="0dp"
 		android:layout_height="wrap_content"
+		android:layout_marginStart="16dp"
 		android:layout_marginTop="16dp"
-		android:onClick="sendDownloadRequest"
-		android:text="@string/download_spawn"
+		android:layout_marginEnd="16dp"
+		android:gravity="center"
+		android:orientation="horizontal"
 		app:layout_constraintEnd_toEndOf="parent"
 		app:layout_constraintStart_toStartOf="parent"
-		app:layout_constraintTop_toBottomOf="@+id/spawn_guide" />
+		app:layout_constraintTop_toBottomOf="@+id/spawn_guide">
+
+		<Button
+			android:id="@+id/import_button"
+			android:layout_width="wrap_content"
+			android:layout_height="wrap_content"
+			android:onClick="importData"
+			android:text="Import Data" />
+		<Space
+			android:layout_width="16dp"
+			android:layout_height="wrap_content" />
+
+		<Button
+			android:id="@+id/download_button"
+			android:layout_width="wrap_content"
+			android:layout_height="wrap_content"
+			android:onClick="sendDownloadRequest"
+			android:text="@string/download_spawn" />
+
+	</LinearLayout>
 
 	<Button
 		android:id="@+id/check_data_button"
@@ -98,6 +119,9 @@
 		android:visibility="gone"
 		app:layout_constraintEnd_toEndOf="parent"
 		app:layout_constraintStart_toStartOf="parent"
-		app:layout_constraintTop_toBottomOf="@+id/download_button" />
+		app:layout_constraintTop_toBottomOf="@+id/import_buttons" />
+
+	<android.support.constraint.Group android:layout_width="wrap_content"
+		android:layout_height="wrap_content" />
 
 </android.support.constraint.ConstraintLayout>