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ANDROID: Copy asset files in internal app folder

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This commit is contained in:
antoniou 2020-09-17 23:24:53 +03:00
parent 81f989be63
commit 30b7c882e8
1 changed files with 159 additions and 46 deletions
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205
backends/platform/android/org/scummvm/scummvm/ScummVMActivity.java
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@ -8,6 +8,7 @@ import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.res.AssetManager;
import android.graphics.Rect;
import android.media.AudioManager;
import android.net.Uri;
@ -58,6 +59,7 @@ public class ScummVMActivity extends Activity implements OnKeyboardVisibilityLis
private static boolean _hoverAvailable;
private ClipboardManager _clipboard;
private Version _currentScummVMVersion;
private File _configScummvmFile;
private File _actualScummVMDataDir;
private File _defaultScummVMSavesDir;
@ -231,6 +233,11 @@ public class ScummVMActivity extends Activity implements OnKeyboardVisibilityLis
main_surface.requestFocus();
_clipboard = (ClipboardManager)getSystemService(CLIPBOARD_SERVICE);
_currentScummVMVersion = new Version(BuildConfig.VERSION_NAME);
Log.d(ScummVM.LOG_TAG, "Current ScummVM version being installed is: " + _currentScummVMVersion.getDescription() + " (" + _currentScummVMVersion.get() + ")");
// REMOVED: Since getFilesDir() is guaranteed to exist, getFilesDir().mkdirs() might be related to crashes in Android version 9+ (Pie or above, API 28+)!
// REMOVED: Setting savePath to Environment.getExternalStorageDirectory() + "/ScummVM/Saves/"
@ -248,48 +255,45 @@ public class ScummVMActivity extends Activity implements OnKeyboardVisibilityLis
// seekAndInitScummvmConfiguration() returns false if something went wrong
// when initializing configuration (or when seeking and trying to use an existing ini file) for ScummVM
if (!seekAndInitScummvmConfiguration()) {
Log.e(ScummVM.LOG_TAG, "Error while trying to find and/or initialize scummvm configuration file!");
// TODO error prompt (popup to user)
Log.e(ScummVM.LOG_TAG, "Error while trying to find and/or initialize ScummVM configuration file!");
// in fact in all the cases where we return false, we also called finish()
} else {
// We should have a valid path to a configuration file here
// Start ScummVM
_scummvm = new MyScummVM(main_surface.getHolder());
_scummvm.setArgs(new String[]{
"ScummVM",
"--config=" + _configScummvmFile.getPath(),
"--path=" + _actualScummVMDataDir.getPath(),
"--savepath=" + _defaultScummVMSavesDir.getPath()
});
Log.d(ScummVM.LOG_TAG, "Hover available: " + _hoverAvailable);
if (_hoverAvailable) {
_mouseHelper = new MouseHelper(_scummvm);
_mouseHelper.attach(main_surface);
}
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB_MR1) {
_events = new ScummVMEvents(this, _scummvm, _mouseHelper);
} else {
_events = new ScummVMEventsHoneycomb(this, _scummvm, _mouseHelper);
}
// On screen button listener
findViewById(R.id.show_keyboard).setOnClickListener(keyboardBtnOnClickListener);
// Keyboard visibility listener
setKeyboardVisibilityListener(this);
main_surface.setOnKeyListener(_events);
main_surface.setOnTouchListener(_events);
_scummvm_thread = new Thread(_scummvm, "ScummVM");
_scummvm_thread.start();
}
_clipboard = (ClipboardManager)getSystemService(CLIPBOARD_SERVICE);
// Start ScummVM
_scummvm = new MyScummVM(main_surface.getHolder());
_scummvm.setArgs(new String[] {
"ScummVM",
"--config=" + _configScummvmFile.getPath(),
"--path=" + _actualScummVMDataDir.getPath(),
"--savepath=" + _defaultScummVMSavesDir.getPath()
});
Log.d(ScummVM.LOG_TAG, "Hover available: " + _hoverAvailable);
if (_hoverAvailable) {
_mouseHelper = new MouseHelper(_scummvm);
_mouseHelper.attach(main_surface);
}
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB_MR1)
{
_events = new ScummVMEvents(this, _scummvm, _mouseHelper);
}
else
{
_events = new ScummVMEventsHoneycomb(this, _scummvm, _mouseHelper);
}
// On screen button listener
findViewById(R.id.show_keyboard).setOnClickListener(keyboardBtnOnClickListener);
// Keyboard visibility listener
setKeyboardVisibilityListener(this);
main_surface.setOnKeyListener(_events);
main_surface.setOnTouchListener(_events);
_scummvm_thread = new Thread(_scummvm, "ScummVM");
_scummvm_thread.start();
}
@Override
@ -524,11 +528,15 @@ public class ScummVMActivity extends Activity implements OnKeyboardVisibilityLis
@RequiresApi(api = Build.VERSION_CODES.KITKAT)
private static void copyFileUsingStream(File source, File dest) throws IOException {
try (InputStream is = new FileInputStream(source); OutputStream os = new FileOutputStream(dest)) {
byte[] buffer = new byte[1024];
int length;
while ((length = is.read(buffer)) > 0) {
os.write(buffer, 0, length);
}
copyStreamToStream(is, os);
}
}
private static void copyStreamToStream(InputStream is, OutputStream os) throws IOException {
byte[] buffer = new byte[1024];
int length;
while ((length = is.read(buffer)) > 0) {
os.write(buffer, 0, length);
}
}
@ -649,6 +657,7 @@ public class ScummVMActivity extends Activity implements OnKeyboardVisibilityLis
}
})
.show();
return false;
}
LinkedHashMap<String, File> candidateOldLocationsOfScummVMConfigMap = new LinkedHashMap<>();
@ -746,6 +755,7 @@ public class ScummVMActivity extends Activity implements OnKeyboardVisibilityLis
}
})
.show();
return false;
}
if (maxOldVersionFound.compareTo(new Version("0")) != 0) {
@ -754,6 +764,15 @@ public class ScummVMActivity extends Activity implements OnKeyboardVisibilityLis
Log.d(ScummVM.LOG_TAG, "No viable existing ScummVM config version found");
}
//
// TODO The assets cleanup upgrading system is not perfect but it will have to do
// A more efficient way would be to compare hash (when we deem that an upgrade is happening, so we will also still have to compare versions)
// Note that isSideUpgrading is also true each time we re-launch the app
// Also even during a side-upgrade we cleanup any redundant files (no longer part of our assets)
boolean isSideUpgrading = (maxOldVersionFound.compareTo(_currentScummVMVersion) == 0);
copyAssetsToInternalMemory(isSideUpgrading);
//
// Set global savepath
// TODO what if the old save-game path is no longer accessible (due to missing SD card, or newer Android API/OS version more strict restrictions)
// TODO changing the save path to this, app specific location we should consider:
@ -783,9 +802,103 @@ public class ScummVMActivity extends Activity implements OnKeyboardVisibilityLis
}
})
.show();
return false;
}
return true;
}
private boolean containsStringEntry(@NonNull String[] stringItenary, String targetEntry) {
for (String sourceEntry : stringItenary) {
// Log.d(ScummVM.LOG_TAG, "Comparing filename: " + sourceEntry + " to filename: " + targetEntry);
if (sourceEntry.compareToIgnoreCase(targetEntry) == 0) {
return true;
}
}
return false;
}
// clear up any possibly deprecated assets (when upgrading to a new version)
// Don't remove the scummvm.ini file!
// Remove any files not in the filesItenary, even in a sideUpgrade
// Remove any files in the filesItenary only if not a sideUpgrade
private void internalAppFolderCleanup(String[] filesItenary, boolean sideUpgrade) {
if (_actualScummVMDataDir != null) {
File[] extfiles = _actualScummVMDataDir.listFiles();
if (extfiles != null) {
Log.d(ScummVM.LOG_TAG, "Cleaning up files in internal app space");
for (File extfile : extfiles) {
if (extfile.isFile()) {
if (extfile.getName().compareToIgnoreCase("scummvm.ini") != 0
&& (!containsStringEntry(filesItenary, extfile.getName())
|| !sideUpgrade)
) {
Log.d(ScummVM.LOG_TAG, "Deleting file:" + extfile.getName());
if (!extfile.delete()) {
Log.e(ScummVM.LOG_TAG, "Failed to delete file:" + extfile.getName());
}
}
}
}
}
}
}
// code based on https://stackoverflow.com/a/4530294
// Note, the following assumptions are made (since they are true as of yet)
// - We don't need to copy (sub)folders
// - We copy all the files from our assets (not a subset of them)
// Otherwise we would probably need to create a specifically named zip file with the selection of files we'd need to extract to the internal memory
@RequiresApi(api = Build.VERSION_CODES.KITKAT)
private void copyAssetsToInternalMemory(boolean sideUpgrade) {
// sideUpgrade is set to true, if we upgrade to the same version -- just check for the files existence before copying
if (_actualScummVMDataDir != null) {
AssetManager assetManager = getAssets();
String[] files = null;
try {
files = assetManager.list("");
} catch (IOException e) {
Log.e(ScummVM.LOG_TAG, "Failed to get asset file list.", e);
}
internalAppFolderCleanup(files, sideUpgrade);
if (files != null) {
for (String filename : files) {
InputStream in = null;
OutputStream out = null;
try {
in = assetManager.open(filename);
File outFile = new File(_actualScummVMDataDir, filename);
if (sideUpgrade && outFile.exists() && outFile.isFile()) {
Log.d(ScummVM.LOG_TAG, "Side-upgrade. No need to update asset file: " + filename);
} else {
Log.d(ScummVM.LOG_TAG, "Copying asset file: " + filename);
out = new FileOutputStream(outFile);
copyStreamToStream(in, out);
}
} catch (IOException e) {
Log.e(ScummVM.LOG_TAG, "Failed to copy asset file: " + filename);
} finally {
if (in != null) {
try {
in.close();
} catch (IOException e) {
// NOOP
}
}
if (out != null) {
try {
out.close();
} catch (IOException e) {
// NOOP
}
}
}
}
}
}
}
}