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app/src/main/java/com/xc3fff0e/xmanager/AJCode.java

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+package com.xc3fff0e.xmanager;
+
+import android.graphics.drawable.*;
+import android.view.*;
+import android.widget.*;
+import android.content.res.*;
+import android.graphics.*;
+import android.view.Gravity;
+
+public class AJCode{
+
+public static void setBackgroundGradient(View view, int color1, int color2){
+GradientDrawable gd = new GradientDrawable(GradientDrawable.Orientation.BL_TR, new int[] {color1,color2});
+view.setBackgroundDrawable(gd);
+}
+
+public static void setRoundedRipple(View v,int LT,int RT,int RB,int LB,int color1,int size,int color2,int color3){
+GradientDrawable shape = new GradientDrawable();
+shape.setColor(color1);
+shape.setCornerRadii(new float[]{(float)LT,(float)LT,(float)RT,(float)RT,(float)RB,(float)RB,(float)LB,(float)LB});
+shape.setStroke(size, color2);
+RippleDrawable ripdr = new RippleDrawable(new ColorStateList(new int[][]{new int[]{}}, new int[]{color3}), shape, null);
+v.setBackgroundDrawable(ripdr);
+}
+}

app/src/main/java/com/xc3fff0e/xmanager/BluetoothConnect.java

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+package com.xc3fff0e.xmanager;
+
+import android.app.Activity;
+import android.bluetooth.BluetoothAdapter;
+import android.bluetooth.BluetoothDevice;
+import android.content.Intent;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Set;
+import java.util.UUID;
+
+public class BluetoothConnect {
+private static final String DEFAULT_UUID = "00001101-0000-1000-8000-00805F9B34FB";
+
+private Activity activity;
+
+private BluetoothAdapter bluetoothAdapter;
+
+public BluetoothConnect(Activity activity) {
+this.activity = activity;
+this.bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
+}
+
+public boolean isBluetoothEnabled() {
+if(bluetoothAdapter != null) return true;
+
+return false;
+}
+
+public boolean isBluetoothActivated() {
+if(bluetoothAdapter == null) return false;
+
+return bluetoothAdapter.isEnabled();
+}
+
+public void activateBluetooth() {
+Intent intent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
+activity.startActivity(intent);
+}
+
+public String getRandomUUID() {
+return String.valueOf(UUID.randomUUID());
+}
+
+public void getPairedDevices(ArrayList<HashMap<String, Object>> results) {
+Set<BluetoothDevice> pairedDevices = bluetoothAdapter.getBondedDevices();
+
+if(pairedDevices.size() > 0) {
+for(BluetoothDevice device : pairedDevices) {
+HashMap<String, Object> result = new HashMap<>();
+result.put("name", device.getName());
+result.put("address", device.getAddress());
+
+results.add(result);
+}
+}
+}
+
+public void readyConnection(BluetoothConnectionListener listener, String tag) {
+if(BluetoothController.getInstance().getState().equals(BluetoothController.STATE_NONE)) {
+BluetoothController.getInstance().start(this, listener, tag, UUID.fromString(DEFAULT_UUID), bluetoothAdapter);
+}
+}
+
+public void readyConnection(BluetoothConnectionListener listener, String uuid, String tag) {
+if(BluetoothController.getInstance().getState().equals(BluetoothController.STATE_NONE)) {
+BluetoothController.getInstance().start(this, listener, tag, UUID.fromString(uuid), bluetoothAdapter);
+}
+}
+
+
+public void startConnection(BluetoothConnectionListener listener, String address, String tag) {
+BluetoothDevice device = bluetoothAdapter.getRemoteDevice(address);
+
+BluetoothController.getInstance().connect(device, this, listener, tag, UUID.fromString(DEFAULT_UUID), bluetoothAdapter);
+}
+
+public void startConnection(BluetoothConnectionListener listener, String uuid, String address, String tag) {
+BluetoothDevice device = bluetoothAdapter.getRemoteDevice(address);
+
+BluetoothController.getInstance().connect(device, this, listener, tag, UUID.fromString(uuid), bluetoothAdapter);
+}
+
+public void stopConnection(BluetoothConnectionListener listener, String tag) {
+BluetoothController.getInstance().stop(this, listener, tag);
+}
+
+public void sendData(BluetoothConnectionListener listener, String data, String tag) {
+String state = BluetoothController.getInstance().getState();
+
+if(!state.equals(BluetoothController.STATE_CONNECTED)) {
+listener.onConnectionError(tag, state, "Bluetooth is not connected yet");
+return;
+}
+
+BluetoothController.getInstance().write(data.getBytes());
+}
+
+public Activity getActivity() {
+return activity;
+}
+
+public interface BluetoothConnectionListener {
+void onConnected(String tag, HashMap<String, Object> deviceData);
+void onDataReceived(String tag, byte[] data, int bytes);
+void onDataSent(String tag, byte[] data);
+void onConnectionError(String tag, String connectionState, String message);
+void onConnectionStopped(String tag);
+}
+}

app/src/main/java/com/xc3fff0e/xmanager/BluetoothController.java

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+package com.xc3fff0e.xmanager;
+
+import android.bluetooth.BluetoothAdapter;
+import android.bluetooth.BluetoothDevice;
+import android.bluetooth.BluetoothServerSocket;
+import android.bluetooth.BluetoothSocket;
+
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.HashMap;
+import java.util.UUID;
+
+public class BluetoothController {
+public static final String STATE_NONE       = "none";
+public static final String STATE_LISTEN     = "listen";
+public static final String STATE_CONNECTING = "connecting";
+public static final String STATE_CONNECTED  = "connected";
+
+private AcceptThread acceptThread;
+private ConnectThread connectThread;
+private ConnectedThread connectedThread;
+
+private String state = STATE_NONE;
+
+private static BluetoothController instance;
+
+public static synchronized BluetoothController getInstance() {
+if(instance == null) {
+instance = new BluetoothController();
+}
+
+return instance;
+}
+
+public synchronized void start(BluetoothConnect bluetoothConnect, BluetoothConnect.BluetoothConnectionListener listener, String tag, UUID uuid, BluetoothAdapter bluetoothAdapter) {
+if (connectThread != null) {
+connectThread.cancel();
+connectThread = null;
+}
+
+if (connectedThread != null) {
+connectedThread.cancel();
+connectedThread = null;
+}
+
+if (acceptThread != null) {
+acceptThread.cancel();
+acceptThread = null;
+}
+
+acceptThread = new AcceptThread(bluetoothConnect, listener, tag, uuid, bluetoothAdapter);
+acceptThread.start();}
+
+public synchronized void connect(BluetoothDevice device, BluetoothConnect bluetoothConnect, BluetoothConnect.BluetoothConnectionListener listener, String tag, UUID uuid, BluetoothAdapter bluetoothAdapter) {
+if (state.equals(STATE_CONNECTING)) {
+if (connectThread != null) {
+connectThread.cancel();
+connectThread = null;
+}
+}
+
+if (connectedThread != null) {
+connectedThread.cancel();
+connectedThread = null;
+}
+
+connectThread = new ConnectThread(device, bluetoothConnect, listener, tag, uuid, bluetoothAdapter);
+connectThread.start();
+}
+
+public synchronized void connected(BluetoothSocket socket, final BluetoothDevice device, BluetoothConnect bluetoothConnect, final BluetoothConnect.BluetoothConnectionListener listener, final String tag) {
+if (connectThread != null) {
+connectThread.cancel();
+connectThread = null;
+}
+
+if (connectedThread != null) {
+connectedThread.cancel();
+connectedThread = null;
+}
+
+if (acceptThread != null) {
+acceptThread.cancel();
+acceptThread = null;
+}
+
+connectedThread = new ConnectedThread(socket, bluetoothConnect, listener, tag);
+connectedThread.start();
+
+bluetoothConnect.getActivity().runOnUiThread(new Runnable() {
+@Override
+public void run() {
+HashMap<String, Object> deviceMap = new HashMap<>();
+deviceMap.put("name", device.getName());
+deviceMap.put("address", device.getAddress());
+
+listener.onConnected(tag, deviceMap);
+}
+});
+}
+
+public synchronized void stop(BluetoothConnect bluetoothConnect, final BluetoothConnect.BluetoothConnectionListener listener, final String tag) {
+if (connectThread != null) {
+connectThread.cancel();
+connectThread = null;
+}
+
+if (connectedThread != null) {
+connectedThread.cancel();
+connectedThread = null;
+}
+
+if (acceptThread != null) {
+acceptThread.cancel();
+acceptThread = null;
+}
+
+state = STATE_NONE;
+
+bluetoothConnect.getActivity().runOnUiThread(new Runnable() {
+@Override
+public void run() {
+listener.onConnectionStopped(tag);
+}
+});
+}
+
+public void write(byte[] out) {
+ConnectedThread r;
+
+synchronized (this) {
+if (!state.equals(STATE_CONNECTED)) return;
+r = connectedThread;
+}
+
+r.write(out);
+}
+
+public void connectionFailed(BluetoothConnect bluetoothConnect, final BluetoothConnect.BluetoothConnectionListener listener, final String tag, final String message) {
+state = STATE_NONE;
+
+bluetoothConnect.getActivity().runOnUiThread(new Runnable() {
+@Override
+public void run() {
+listener.onConnectionError(tag, state, message);
+}
+});
+}
+
+public void connectionLost(BluetoothConnect bluetoothConnect, final BluetoothConnect.BluetoothConnectionListener listener, final String tag) {
+state = STATE_NONE;
+
+bluetoothConnect.getActivity().runOnUiThread(new Runnable() {
+@Override
+public void run() {
+listener.onConnectionError(tag, state, "Bluetooth connection is disconnected");
+}
+});
+}
+
+public String getState() {
+return state;
+}
+
+private class AcceptThread extends Thread {
+private BluetoothServerSocket serverSocket;
+
+private BluetoothConnect bluetoothConnect;
+private BluetoothConnect.BluetoothConnectionListener listener;
+private String tag;
+
+public AcceptThread(BluetoothConnect bluetoothConnect, BluetoothConnect.BluetoothConnectionListener listener, String tag, UUID uuid, BluetoothAdapter bluetoothAdapter) {
+this.bluetoothConnect = bluetoothConnect;
+this.listener = listener;
+this.tag = tag;
+
+try {
+serverSocket = bluetoothAdapter.listenUsingRfcommWithServiceRecord(tag, uuid);
+} catch (Exception e) {
+e.printStackTrace();
+}
+
+state = STATE_LISTEN;
+}
+
+@Override
+public void run() {
+BluetoothSocket bluetoothSocket;
+
+while (!state.equals(STATE_CONNECTED)) {
+try {
+bluetoothSocket = serverSocket.accept();
+} catch (Exception e) {
+e.printStackTrace();
+break;
+}
+
+if (bluetoothSocket != null) {
+synchronized (BluetoothController.this) {
+switch (state) {
+case STATE_LISTEN:
+case STATE_CONNECTING:
+connected(bluetoothSocket, bluetoothSocket.getRemoteDevice(), bluetoothConnect, listener, tag);
+break;
+case STATE_NONE:
+case STATE_CONNECTED:
+try {
+bluetoothSocket.close();
+} catch (Exception e) {
+e.printStackTrace();
+}
+break;
+}
+}
+}
+}
+}
+
+public void cancel() {
+try {
+serverSocket.close();
+} catch (Exception e) {
+e.printStackTrace();
+}
+}
+}
+
+private class ConnectThread extends Thread {
+private BluetoothDevice device;
+private BluetoothSocket socket;
+
+private BluetoothConnect bluetoothConnect;
+private BluetoothConnect.BluetoothConnectionListener listener;
+private String tag;
+private BluetoothAdapter bluetoothAdapter;
+
+public ConnectThread(BluetoothDevice device, BluetoothConnect bluetoothConnect, BluetoothConnect.BluetoothConnectionListener listener, String tag, UUID uuid, BluetoothAdapter bluetoothAdapter) {
+this.device = device;
+this.bluetoothConnect = bluetoothConnect;
+this.listener = listener;
+this.tag = tag;
+this.bluetoothAdapter = bluetoothAdapter;
+
+try {
+socket = device.createRfcommSocketToServiceRecord(uuid);
+} catch (Exception e) {
+e.printStackTrace();
+}
+
+state = STATE_CONNECTING;
+}
+
+@Override
+public void run() {
+bluetoothAdapter.cancelDiscovery();
+
+try {
+socket.connect();
+} catch (Exception e) {
+try {
+socket.close();
+} catch (Exception e2) {
+e2.printStackTrace();
+}
+connectionFailed(bluetoothConnect, listener, tag, e.getMessage());
+return;
+}
+
+synchronized (BluetoothController.this) {
+connectThread = null;
+}
+
+connected(socket, device, bluetoothConnect, listener, tag);
+}
+
+public void cancel() {
+try {
+socket.close();
+} catch (Exception e) {
+e.printStackTrace();
+}
+}
+}
+
+private class ConnectedThread extends Thread {
+private BluetoothSocket socket;
+private InputStream inputStream;
+private OutputStream outputStream;
+
+private BluetoothConnect bluetoothConnect;
+private BluetoothConnect.BluetoothConnectionListener listener;
+private String tag;
+
+public ConnectedThread(BluetoothSocket socket, BluetoothConnect bluetoothConnect, BluetoothConnect.BluetoothConnectionListener listener, String tag) {
+this.bluetoothConnect = bluetoothConnect;
+this.listener = listener;
+this.tag = tag;
+
+this.socket = socket;
+
+try {
+inputStream = socket.getInputStream();
+outputStream = socket.getOutputStream();
+} catch (Exception e) {
+e.printStackTrace();
+}
+
+state = STATE_CONNECTED;
+}
+
+public void run() {
+while (state.equals(STATE_CONNECTED)) {
+try {
+final byte[] buffer = new byte[1024];
+final int bytes = inputStream.read(buffer);
+
+bluetoothConnect.getActivity().runOnUiThread(new Runnable() {
+@Override
+public void run() {
+listener.onDataReceived(tag, buffer, bytes);
+}
+});
+} catch (Exception e) {
+e.printStackTrace();
+connectionLost(bluetoothConnect, listener, tag);
+break;
+}
+}
+}
+
+public void write(final byte[] buffer) {
+try {
+outputStream.write(buffer);
+
+bluetoothConnect.getActivity().runOnUiThread(new Runnable() {
+@Override
+public void run() {
+listener.onDataSent(tag, buffer);
+}
+});
+} catch (Exception e) {
+e.printStackTrace();
+}
+}
+
+public void cancel() {
+try {
+socket.close();
+} catch (Exception e) {
+e.printStackTrace();
+}
+}
+}
+}

app/src/main/java/com/xc3fff0e/xmanager/FileUtil.java

@@ -0,0 +1,604 @@
+package com.xc3fff0e.xmanager;
+
+import android.content.ContentResolver;
+import android.content.ContentUris;
+import android.content.Context;
+import android.database.Cursor;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.graphics.Canvas;
+import android.graphics.ColorFilter;
+import android.graphics.ColorMatrix;
+import android.graphics.ColorMatrixColorFilter;
+import android.graphics.LightingColorFilter;
+import android.graphics.Matrix;
+import android.graphics.Paint;
+import android.graphics.PorterDuff;
+import android.graphics.PorterDuffXfermode;
+import android.graphics.Rect;
+import android.graphics.RectF;
+import android.media.ExifInterface;
+import android.net.Uri;
+import android.os.Environment;
+import android.provider.DocumentsContract;
+import android.provider.MediaStore;
+import android.text.TextUtils;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.FileReader;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.net.URLDecoder;
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Date;
+
+public class FileUtil {
+
+private static void createNewFile(String path) {
+int lastSep = path.lastIndexOf(File.separator);
+if (lastSep > 0) {
+String dirPath = path.substring(0, lastSep);
+makeDir(dirPath);
+}
+
+File file = new File(path);
+
+try {
+if (!file.exists())
+file.createNewFile();
+} catch (IOException e) {
+e.printStackTrace();
+}
+}
+
+public static String readFile(String path) {
+createNewFile(path);
+
+StringBuilder sb = new StringBuilder();
+FileReader fr = null;
+try {
+fr = new FileReader(new File(path));
+
+char[] buff = new char[1024];
+int length = 0;
+
+while ((length = fr.read(buff)) > 0) {
+sb.append(new String(buff, 0, length));
+}
+} catch (IOException e) {
+e.printStackTrace();
+} finally {
+if (fr != null) {
+try {
+fr.close();
+} catch (Exception e) {
+e.printStackTrace();
+}
+}
+}
+
+return sb.toString();
+}
+
+public static void writeFile(String path, String str) {
+createNewFile(path);
+FileWriter fileWriter = null;
+
+try {
+fileWriter = new FileWriter(new File(path), false);
+fileWriter.write(str);
+fileWriter.flush();
+} catch (IOException e) {
+e.printStackTrace();
+} finally {
+try {
+if (fileWriter != null)
+fileWriter.close();
+} catch (IOException e) {
+e.printStackTrace();
+}
+}
+}
+
+public static void copyFile(String sourcePath, String destPath) {
+if (!isExistFile(sourcePath)) return;
+createNewFile(destPath);
+
+FileInputStream fis = null;
+FileOutputStream fos = null;
+
+try {
+fis = new FileInputStream(sourcePath);
+fos = new FileOutputStream(destPath, false);
+
+byte[] buff = new byte[1024];
+int length = 0;
+
+while ((length = fis.read(buff)) > 0) {
+fos.write(buff, 0, length);
+}
+} catch (IOException e) {
+e.printStackTrace();
+} finally {
+if (fis != null) {
+try {
+fis.close();
+} catch (IOException e) {
+e.printStackTrace();
+}
+}
+if (fos != null) {
+try {
+fos.close();
+} catch (IOException e) {
+e.printStackTrace();
+}
+}
+}
+}
+
+public static void moveFile(String sourcePath, String destPath) {
+copyFile(sourcePath, destPath);
+deleteFile(sourcePath);
+}
+
+public static void deleteFile(String path) {
+File file = new File(path);
+
+if (!file.exists()) return;
+
+if (file.isFile()) {
+file.delete();
+return;
+}
+
+File[] fileArr = file.listFiles();
+
+if (fileArr != null) {
+for (File subFile : fileArr) {
+if (subFile.isDirectory()) {
+deleteFile(subFile.getAbsolutePath());
+}
+
+if (subFile.isFile()) {
+subFile.delete();
+}
+}
+}
+
+file.delete();
+}
+
+public static boolean isExistFile(String path) {
+File file = new File(path);
+return file.exists();
+}
+
+public static void makeDir(String path) {
+if (!isExistFile(path)) {
+File file = new File(path);
+file.mkdirs();
+}
+}
+
+public static void listDir(String path, ArrayList<String> list) {
+File dir = new File(path);
+if (!dir.exists() || dir.isFile()) return;
+
+File[] listFiles = dir.listFiles();
+if (listFiles == null || listFiles.length <= 0) return;
+
+if (list == null) return;
+list.clear();
+for (File file : listFiles) {
+list.add(file.getAbsolutePath());
+}
+}
+
+public static boolean isDirectory(String path) {
+if (!isExistFile(path)) return false;
+return new File(path).isDirectory();
+}
+
+public static boolean isFile(String path) {
+if (!isExistFile(path)) return false;
+return new File(path).isFile();
+}
+
+public static long getFileLength(String path) {
+if (!isExistFile(path)) return 0;
+return new File(path).length();
+}
+
+public static String getExternalStorageDir() {
+return Environment.getExternalStorageDirectory().getAbsolutePath();
+}
+
+public static String getPackageDataDir(Context context) {
+return context.getExternalFilesDir(null).getAbsolutePath();
+}
+
+public static String getPublicDir(String type) {
+return Environment.getExternalStoragePublicDirectory(type).getAbsolutePath();
+}
+
+public static String convertUriToFilePath(final Context context, final Uri uri) {
+String path = null;
+if (DocumentsContract.isDocumentUri(context, uri)) {
+if (isExternalStorageDocument(uri)) {
+final String docId = DocumentsContract.getDocumentId(uri);
+final String[] split = docId.split(":");
+final String type = split[0];
+
+if ("primary".equalsIgnoreCase(type)) {
+path = Environment.getExternalStorageDirectory() + "/" + split[1];
+}
+} else if (isDownloadsDocument(uri)) {
+final String id = DocumentsContract.getDocumentId(uri);
+
+if (!TextUtils.isEmpty(id)) {
+if (id.startsWith("raw:")) {
+return id.replaceFirst("raw:", "");
+}
+}
+
+final Uri contentUri = ContentUris
+.withAppendedId(Uri.parse("content://downloads/public_downloads"), Long.valueOf(id));
+
+path = getDataColumn(context, contentUri, null, null);
+} else if (isMediaDocument(uri)) {
+final String docId = DocumentsContract.getDocumentId(uri);
+final String[] split = docId.split(":");
+final String type = split[0];
+
+Uri contentUri = null;
+if ("image".equals(type)) {
+contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
+} else if ("video".equals(type)) {
+contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
+} else if ("audio".equals(type)) {
+contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
+}
+
+final String selection = MediaStore.Audio.Media._ID + "=?";
+final String[] selectionArgs = new String[]{
+split[1]
+};
+
+path = getDataColumn(context, contentUri, selection, selectionArgs);
+}
+} else if (ContentResolver.SCHEME_CONTENT.equalsIgnoreCase(uri.getScheme())) {
+path = getDataColumn(context, uri, null, null);
+} else if (ContentResolver.SCHEME_FILE.equalsIgnoreCase(uri.getScheme())) {
+path = uri.getPath();
+}
+
+if (path != null) {
+try {
+return URLDecoder.decode(path, "UTF-8");
+}catch(Exception e){
+return null;
+}
+}
+return null;
+}
+
+private static String getDataColumn(Context context, Uri uri, String selection, String[] selectionArgs) {
+Cursor cursor = null;
+
+final String column = MediaStore.Images.Media.DATA;
+final String[] projection = {
+column
+};
+
+try {
+cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, null);
+if (cursor != null && cursor.moveToFirst()) {
+final int column_index = cursor.getColumnIndexOrThrow(column);
+return cursor.getString(column_index);
+}
+} catch (Exception e) {
+
+} finally {
+if (cursor != null) {
+cursor.close();
+}
+}
+return null;
+}
+
+
+private static boolean isExternalStorageDocument(Uri uri) {
+return "com.android.externalstorage.documents".equals(uri.getAuthority());
+}
+
+private static boolean isDownloadsDocument(Uri uri) {
+return "com.android.providers.downloads.documents".equals(uri.getAuthority());
+}
+
+private static boolean isMediaDocument(Uri uri) {
+return "com.android.providers.media.documents".equals(uri.getAuthority());
+}
+
+private static void saveBitmap(Bitmap bitmap, String destPath) {
+FileOutputStream out = null;
+FileUtil.createNewFile(destPath);
+try {
+out = new FileOutputStream(new File(destPath));
+bitmap.compress(Bitmap.CompressFormat.PNG, 100, out);
+} catch (Exception e) {
+e.printStackTrace();
+} finally {
+try {
+if (out != null) {
+out.close();
+}
+} catch (IOException e) {
+e.printStackTrace();
+}
+}
+}
+
+public static Bitmap getScaledBitmap(String path, int max) {
+Bitmap src = BitmapFactory.decodeFile(path);
+
+int width = src.getWidth();
+int height = src.getHeight();
+float rate = 0.0f;
+
+if (width > height) {
+rate = max / (float) width;
+height = (int) (height * rate);
+width = max;
+} else {
+rate = max / (float) height;
+width = (int) (width * rate);
+height = max;
+}
+
+return Bitmap.createScaledBitmap(src, width, height, true);
+}
+
+public static int calculateInSampleSize(BitmapFactory.Options options, int reqWidth, int reqHeight) {
+final int width = options.outWidth;
+final int height = options.outHeight;
+int inSampleSize = 1;
+
+if (height > reqHeight || width > reqWidth) {
+final int halfHeight = height / 2;
+final int halfWidth = width / 2;
+
+while ((halfHeight / inSampleSize) >= reqHeight && (halfWidth / inSampleSize) >= reqWidth) {
+inSampleSize *= 2;
+}
+}
+
+return inSampleSize;
+}
+
+public static Bitmap decodeSampleBitmapFromPath(String path, int reqWidth, int reqHeight) {
+final BitmapFactory.Options options = new BitmapFactory.Options();
+options.inJustDecodeBounds = true;
+BitmapFactory.decodeFile(path, options);
+
+options.inSampleSize = calculateInSampleSize(options, reqWidth, reqHeight);
+
+options.inJustDecodeBounds = false;
+return BitmapFactory.decodeFile(path, options);
+}
+
+public static void resizeBitmapFileRetainRatio(String fromPath, String destPath, int max) {
+if (!isExistFile(fromPath)) return;
+Bitmap bitmap = getScaledBitmap(fromPath, max);
+saveBitmap(bitmap, destPath);
+}
+
+public static void resizeBitmapFileToSquare(String fromPath, String destPath, int max) {
+if (!isExistFile(fromPath)) return;
+Bitmap src = BitmapFactory.decodeFile(fromPath);
+Bitmap bitmap = Bitmap.createScaledBitmap(src, max, max, true);
+saveBitmap(bitmap, destPath);
+}
+
+public static void resizeBitmapFileToCircle(String fromPath, String destPath) {
+if (!isExistFile(fromPath)) return;
+Bitmap src = BitmapFactory.decodeFile(fromPath);
+Bitmap bitmap = Bitmap.createBitmap(src.getWidth(),
+src.getHeight(), Bitmap.Config.ARGB_8888);
+Canvas canvas = new Canvas(bitmap);
+
+final int color = 0xff424242;
+final Paint paint = new Paint();
+final Rect rect = new Rect(0, 0, src.getWidth(), src.getHeight());
+
+paint.setAntiAlias(true);
+canvas.drawARGB(0, 0, 0, 0);
+paint.setColor(color);
+canvas.drawCircle(src.getWidth() / 2, src.getHeight() / 2,
+src.getWidth() / 2, paint);
+paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
+canvas.drawBitmap(src, rect, rect, paint);
+
+saveBitmap(bitmap, destPath);
+}
+
+public static void resizeBitmapFileWithRoundedBorder(String fromPath, String destPath, int pixels) {
+if (!isExistFile(fromPath)) return;
+Bitmap src = BitmapFactory.decodeFile(fromPath);
+Bitmap bitmap = Bitmap.createBitmap(src.getWidth(), src
+.getHeight(), Bitmap.Config.ARGB_8888);
+Canvas canvas = new Canvas(bitmap);
+
+final int color = 0xff424242;
+final Paint paint = new Paint();
+final Rect rect = new Rect(0, 0, src.getWidth(), src.getHeight());
+final RectF rectF = new RectF(rect);
+final float roundPx = pixels;
+
+paint.setAntiAlias(true);
+canvas.drawARGB(0, 0, 0, 0);
+paint.setColor(color);
+canvas.drawRoundRect(rectF, roundPx, roundPx, paint);
+
+paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
+canvas.drawBitmap(src, rect, rect, paint);
+
+saveBitmap(bitmap, destPath);
+}
+
+public static void cropBitmapFileFromCenter(String fromPath, String destPath, int w, int h) {
+if (!isExistFile(fromPath)) return;
+Bitmap src = BitmapFactory.decodeFile(fromPath);
+
+int width = src.getWidth();
+int height = src.getHeight();
+
+if (width < w && height < h)
+return;
+
+int x = 0;
+int y = 0;
+
+if (width > w)
+x = (width - w) / 2;
+
+if (height > h)
+y = (height - h) / 2;
+
+int cw = w;
+int ch = h;
+
+if (w > width)
+cw = width;
+
+if (h > height)
+ch = height;
+
+Bitmap bitmap = Bitmap.createBitmap(src, x, y, cw, ch);
+saveBitmap(bitmap, destPath);
+}
+
+public static void rotateBitmapFile(String fromPath, String destPath, float angle) {
+if (!isExistFile(fromPath)) return;
+Bitmap src = BitmapFactory.decodeFile(fromPath);
+Matrix matrix = new Matrix();
+matrix.postRotate(angle);
+Bitmap bitmap = Bitmap.createBitmap(src, 0, 0, src.getWidth(), src.getHeight(), matrix, true);
+saveBitmap(bitmap, destPath);
+}
+
+public static void scaleBitmapFile(String fromPath, String destPath, float x, float y) {
+if (!isExistFile(fromPath)) return;
+Bitmap src = BitmapFactory.decodeFile(fromPath);
+Matrix matrix = new Matrix();
+matrix.postScale(x, y);
+
+int w = src.getWidth();
+int h = src.getHeight();
+
+Bitmap bitmap = Bitmap.createBitmap(src, 0, 0, w, h, matrix, true);
+saveBitmap(bitmap, destPath);
+}
+
+public static void skewBitmapFile(String fromPath, String destPath, float x, float y) {
+if (!isExistFile(fromPath)) return;
+Bitmap src = BitmapFactory.decodeFile(fromPath);
+Matrix matrix = new Matrix();
+matrix.postSkew(x, y);
+
+int w = src.getWidth();
+int h = src.getHeight();
+
+Bitmap bitmap = Bitmap.createBitmap(src, 0, 0, w, h, matrix, true);
+saveBitmap(bitmap, destPath);
+}
+
+public static void setBitmapFileColorFilter(String fromPath, String destPath, int color) {
+if (!isExistFile(fromPath)) return;
+Bitmap src = BitmapFactory.decodeFile(fromPath);
+Bitmap bitmap = Bitmap.createBitmap(src, 0, 0,
+src.getWidth() - 1, src.getHeight() - 1);
+Paint p = new Paint();
+ColorFilter filter = new LightingColorFilter(color, 1);
+p.setColorFilter(filter);
+Canvas canvas = new Canvas(bitmap);
+canvas.drawBitmap(bitmap, 0, 0, p);
+saveBitmap(bitmap, destPath);
+}
+
+public static void setBitmapFileBrightness(String fromPath, String destPath, float brightness) {
+if (!isExistFile(fromPath)) return;
+Bitmap src = BitmapFactory.decodeFile(fromPath);
+ColorMatrix cm = new ColorMatrix(new float[]
+{
+1, 0, 0, 0, brightness,
+0, 1, 0, 0, brightness,
+0, 0, 1, 0, brightness,
+0, 0, 0, 1, 0
+});
+
+Bitmap bitmap = Bitmap.createBitmap(src.getWidth(), src.getHeight(), src.getConfig());
+Canvas canvas = new Canvas(bitmap);
+Paint paint = new Paint();
+paint.setColorFilter(new ColorMatrixColorFilter(cm));
+canvas.drawBitmap(src, 0, 0, paint);
+saveBitmap(bitmap, destPath);
+}
+
+public static void setBitmapFileContrast(String fromPath, String destPath, float contrast) {
+if (!isExistFile(fromPath)) return;
+Bitmap src = BitmapFactory.decodeFile(fromPath);
+ColorMatrix cm = new ColorMatrix(new float[]
+{
+contrast, 0, 0, 0, 0,
+0, contrast, 0, 0, 0,
+0, 0, contrast, 0, 0,
+0, 0, 0, 1, 0
+});
+
+Bitmap bitmap = Bitmap.createBitmap(src.getWidth(), src.getHeight(), src.getConfig());
+Canvas canvas = new Canvas(bitmap);
+Paint paint = new Paint();
+paint.setColorFilter(new ColorMatrixColorFilter(cm));
+canvas.drawBitmap(src, 0, 0, paint);
+
+saveBitmap(bitmap, destPath);
+}
+
+public static int getJpegRotate(String filePath) {
+int rotate = 0;
+try {
+ExifInterface exif = new ExifInterface(filePath);
+int iOrientation = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, -1);
+
+switch (iOrientation) {
+case ExifInterface.ORIENTATION_ROTATE_90:
+rotate = 90;
+break;
+case ExifInterface.ORIENTATION_ROTATE_180:
+rotate = 180;
+break;
+case ExifInterface.ORIENTATION_ROTATE_270:
+rotate = 270;
+break;
+default:
+rotate = 0;
+break;
+}
+}
+catch (IOException e) {
+return 0;
+}
+
+return rotate;
+}
+public static File createNewPictureFile(Context context) {
+SimpleDateFormat date = new SimpleDateFormat("yyyyMMdd_HHmmss");
+String fileName = date.format(new Date()) + ".jpg";
+File file = new File(context.getExternalFilesDir(Environment.DIRECTORY_DCIM).getAbsolutePath() + File.separator + fileName);
+return file;
+}
+}

app/src/main/java/com/xc3fff0e/xmanager/RequestNetwork.java

@@ -0,0 +1,52 @@
+package com.xc3fff0e.xmanager;
+
+import android.app.Activity;
+
+import java.util.HashMap;
+
+public class RequestNetwork {
+private HashMap<String, Object> params = new HashMap<>();
+private HashMap<String, Object> headers = new HashMap<>();
+
+private Activity activity;
+
+private int requestType = 0;
+
+public RequestNetwork(Activity activity) {
+this.activity = activity;
+}
+
+public void setHeaders(HashMap<String, Object> headers) {
+this.headers = headers;
+}
+
+public void setParams(HashMap<String, Object> params, int requestType) {
+this.params = params;
+this.requestType = requestType;
+}
+
+public HashMap<String, Object> getParams() {
+return params;
+}
+
+public HashMap<String, Object> getHeaders() {
+return headers;
+}
+
+public Activity getActivity() {
+return activity;
+}
+
+public int getRequestType() {
+return requestType;
+}
+
+public void startRequestNetwork(String method, String url, String tag, RequestListener requestListener) {
+RequestNetworkController.getInstance().execute(this, method, url, tag, requestListener);
+}
+
+public interface RequestListener {
+public void onResponse(String tag, String response);
+public void onErrorResponse(String tag, String message);
+}
+}

app/src/main/java/com/xc3fff0e/xmanager/RequestNetworkController.java

@@ -0,0 +1,180 @@
+package com.xc3fff0e.xmanager;
+
+import com.google.gson.Gson;
+
+import java.io.IOException;
+import java.security.cert.CertificateException;
+import java.util.HashMap;
+import java.util.concurrent.TimeUnit;
+
+import javax.net.ssl.HostnameVerifier;
+import javax.net.ssl.SSLContext;
+import javax.net.ssl.SSLSession;
+import javax.net.ssl.SSLSocketFactory;
+import javax.net.ssl.TrustManager;
+import javax.net.ssl.X509TrustManager;
+
+import okhttp3.Call;
+import okhttp3.Callback;
+import okhttp3.FormBody;
+import okhttp3.Headers;
+import okhttp3.HttpUrl;
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.RequestBody;
+import okhttp3.Response;
+
+public class RequestNetworkController {
+public static final String GET      = "GET";
+public static final String POST     = "POST";
+public static final String PUT      = "PUT";
+public static final String DELETE   = "DELETE";
+
+public static final int REQUEST_PARAM = 0;
+public static final int REQUEST_BODY  = 1;
+
+private static final int SOCKET_TIMEOUT = 15000;
+private static final int READ_TIMEOUT   = 25000;
+
+protected OkHttpClient client;
+
+private static RequestNetworkController mInstance;
+
+public static synchronized RequestNetworkController getInstance() {
+if(mInstance == null) {
+mInstance = new RequestNetworkController();
+}
+return mInstance;
+}
+
+private OkHttpClient getClient() {
+if (client == null) {
+OkHttpClient.Builder builder = new OkHttpClient.Builder();
+
+try {
+final TrustManager[] trustAllCerts = new TrustManager[]{
+new X509TrustManager() {
+@Override
+public void checkClientTrusted(java.security.cert.X509Certificate[] chain, String authType)
+throws CertificateException {
+}
+
+@Override
+public void checkServerTrusted(java.security.cert.X509Certificate[] chain, String authType)
+throws CertificateException {
+}
+
+@Override
+public java.security.cert.X509Certificate[] getAcceptedIssuers() {
+return new java.security.cert.X509Certificate[]{};
+}
+}
+};
+
+final SSLContext sslContext = SSLContext.getInstance("TLS");
+sslContext.init(null, trustAllCerts, new java.security.SecureRandom());
+final SSLSocketFactory sslSocketFactory = sslContext.getSocketFactory();
+builder.sslSocketFactory(sslSocketFactory, (X509TrustManager) trustAllCerts[0]);
+builder.connectTimeout(SOCKET_TIMEOUT, TimeUnit.MILLISECONDS);
+builder.readTimeout(READ_TIMEOUT, TimeUnit.MILLISECONDS);
+builder.writeTimeout(READ_TIMEOUT, TimeUnit.MILLISECONDS);
+builder.hostnameVerifier(new HostnameVerifier() {
+@Override
+public boolean verify(String hostname, SSLSession session) {
+return true;
+}
+});
+} catch (Exception e) {
+}
+
+client = builder.build();
+}
+
+return client;
+}
+
+public void execute(final RequestNetwork requestNetwork, String method, String url, final String tag, final RequestNetwork.RequestListener requestListener) {
+Request.Builder reqBuilder = new Request.Builder();
+Headers.Builder headerBuilder = new Headers.Builder();
+
+if(requestNetwork.getHeaders().size() > 0) {
+HashMap<String, Object> headers = requestNetwork.getHeaders();
+
+for(HashMap.Entry<String, Object> header : headers.entrySet()) {
+headerBuilder.add(header.getKey(), String.valueOf(header.getValue()));
+}
+}
+
+try {
+if (requestNetwork.getRequestType() == REQUEST_PARAM) {
+if (method.equals(GET)) {
+HttpUrl.Builder httpBuilder;
+
+try {
+httpBuilder = HttpUrl.parse(url).newBuilder();
+} catch (NullPointerException ne) {
+throw new NullPointerException("unexpected url: " + url);
+}
+
+if (requestNetwork.getParams().size() > 0) {
+HashMap<String, Object> params = requestNetwork.getParams();
+
+for (HashMap.Entry<String, Object> param : params.entrySet()) {
+httpBuilder.addQueryParameter(param.getKey(), String.valueOf(param.getValue()));
+}
+}
+
+reqBuilder.url(httpBuilder.build()).headers(headerBuilder.build()).get();
+} else {
+FormBody.Builder formBuilder = new FormBody.Builder();
+if (requestNetwork.getParams().size() > 0) {
+HashMap<String, Object> params = requestNetwork.getParams();
+
+for (HashMap.Entry<String, Object> param : params.entrySet()) {
+formBuilder.add(param.getKey(), String.valueOf(param.getValue()));
+}
+}
+
+RequestBody reqBody = formBuilder.build();
+
+reqBuilder.url(url).headers(headerBuilder.build()).method(method, reqBody);
+}
+} else {
+RequestBody reqBody = RequestBody.create(okhttp3.MediaType.parse("application/json"), new Gson().toJson(requestNetwork.getParams()));
+
+if (method.equals(GET)) {
+reqBuilder.url(url).headers(headerBuilder.build()).get();
+} else {
+reqBuilder.url(url).headers(headerBuilder.build()).method(method, reqBody);
+}
+}
+
+Request req = reqBuilder.build();
+
+getClient().newCall(req).enqueue(new Callback() {
+@Override
+public void onFailure(Call call, final IOException e) {
+requestNetwork.getActivity().runOnUiThread(new Runnable() {
+@Override
+public void run() {
+requestListener.onErrorResponse(tag, e.getMessage());
+}
+});
+}
+
+@Override
+public void onResponse(Call call, final Response response) throws IOException {
+final String responseBody = response.body().string().trim();
+requestNetwork.getActivity().runOnUiThread(new Runnable() {
+@Override
+public void run() {
+requestListener.onResponse(tag, responseBody);
+}
+});
+}
+});
+} catch (Exception e) {
+requestListener.onErrorResponse(tag, e.getMessage());
+}
+}
+}

app/src/main/java/com/xc3fff0e/xmanager/SketchwareUtil.java

@@ -0,0 +1,71 @@
+package com.xc3fff0e.xmanager;
+
+import android.content.Context;
+import android.util.SparseBooleanArray;
+import android.util.TypedValue;
+import android.view.View;
+import android.widget.ListView;
+import android.widget.Toast;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.Random;
+
+public class SketchwareUtil {
+public static void showMessage(Context _context, String _s) {
+Toast.makeText(_context, _s, Toast.LENGTH_SHORT).show();
+}
+
+public static int getLocationX(View _v) {
+int _location[] = new int[2];
+_v.getLocationInWindow(_location);
+return _location[0];
+}
+
+public static int getLocationY(View _v) {
+int _location[] = new int[2];
+_v.getLocationInWindow(_location);
+return _location[1];
+}
+
+public static int getRandom(int _min, int _max) {
+Random random = new Random();
+return random.nextInt(_max - _min + 1) + _min;
+}
+
+public static ArrayList<Double> getCheckedItemPositionsToArray(ListView _list) {
+ArrayList<Double> _result = new ArrayList<Double>();
+SparseBooleanArray _arr = _list.getCheckedItemPositions();
+for (int _iIdx = 0; _iIdx < _arr.size(); _iIdx++) {
+if (_arr.valueAt(_iIdx))
+_result.add((double) _arr.keyAt(_iIdx));
+}
+return _result;
+}
+
+public static float getDip(Context _context, int _input) {
+return TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, _input, _context.getResources().getDisplayMetrics());
+}
+
+public static int getDisplayWidthPixels(Context _context) {
+return _context.getResources().getDisplayMetrics().widthPixels;
+}
+
+public static int getDisplayHeightPixels(Context _context) {
+return _context.getResources().getDisplayMetrics().heightPixels;
+}
+
+public static void getAllKeysFromMap(Map<String, Object> map, ArrayList<String> output) {
+if (output == null) return;
+output.clear();
+
+if (map == null || map.size() <= 0) return;
+
+Iterator itr = map.entrySet().iterator();
+while (itr.hasNext()) {
+Map.Entry<String, String> entry = (Map.Entry) itr.next();
+output.add(entry.getKey());
+}
+}
+}

app/src/main/java/com/xc3fff0e/xmanager/SplashActivity.java

@@ -0,0 +1,151 @@
+package com.xc3fff0e.xmanager;
+
+import androidx.appcompat.app.AppCompatActivity;
+import android.app.*;
+import android.os.*;
+import android.view.*;
+import android.view.View.*;
+import android.widget.*;
+import android.content.*;
+import android.graphics.*;
+import android.media.*;
+import android.net.*;
+import android.text.*;
+import android.util.*;
+import android.webkit.*;
+import android.animation.*;
+import android.view.animation.*;
+import java.util.*;
+import java.text.*;
+import android.widget.LinearLayout;
+import android.widget.ImageView;
+import java.util.Timer;
+import java.util.TimerTask;
+import android.content.Intent;
+import android.net.Uri;
+
+public class SplashActivity extends AppCompatActivity {
+	
+	private Timer _timer = new Timer();
+	
+	private LinearLayout main_body;
+	private ImageView icon_manager;
+	
+	private TimerTask Timer;
+	private Intent Switch_Activity = new Intent();
+	@Override
+	protected void onCreate(Bundle _savedInstanceState) {
+		super.onCreate(_savedInstanceState);
+		setContentView(R.layout.splash);
+		com.google.firebase.FirebaseApp.initializeApp(this);
+		initialize(_savedInstanceState);
+		initializeLogic();
+	}
+	
+	private void initialize(Bundle _savedInstanceState) {
+		
+		main_body = (LinearLayout) findViewById(R.id.main_body);
+		icon_manager = (ImageView) findViewById(R.id.icon_manager);
+	}
+	private void initializeLogic() {
+		Timer = new TimerTask() {
+			@Override
+			public void run() {
+				runOnUiThread(new Runnable() {
+					@Override
+					public void run() {
+						Switch_Activity.setClass(getApplicationContext(), MainActivity.class);
+						startActivity(Switch_Activity);
+						finish();
+					}
+				});
+			}
+		};
+		_timer.schedule(Timer, (int)(1000));
+	}
+	
+	@Override
+	protected void onActivityResult(int _requestCode, int _resultCode, Intent _data) {
+		super.onActivityResult(_requestCode, _resultCode, _data);
+		
+		switch (_requestCode) {
+			
+			default:
+			break;
+		}
+	}
+	
+	@Override
+	public void onBackPressed() {
+		
+	}
+	
+	@Override
+	public void onResume() {
+		super.onResume();
+		_Hide_Navigation();
+	}
+	private void _Hide_Navigation () {
+		try {
+			getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
+			
+			if (Build.VERSION.SDK_INT >= 21) { Window w = this.getWindow(); w.setNavigationBarColor(Color.parseColor("#212121"));
+			}
+		}
+		catch(Exception e) {
+		}
+	}
+	
+	
+	@Deprecated
+	public void showMessage(String _s) {
+		Toast.makeText(getApplicationContext(), _s, Toast.LENGTH_SHORT).show();
+	}
+	
+	@Deprecated
+	public int getLocationX(View _v) {
+		int _location[] = new int[2];
+		_v.getLocationInWindow(_location);
+		return _location[0];
+	}
+	
+	@Deprecated
+	public int getLocationY(View _v) {
+		int _location[] = new int[2];
+		_v.getLocationInWindow(_location);
+		return _location[1];
+	}
+	
+	@Deprecated
+	public int getRandom(int _min, int _max) {
+		Random random = new Random();
+		return random.nextInt(_max - _min + 1) + _min;
+	}
+	
+	@Deprecated
+	public ArrayList<Double> getCheckedItemPositionsToArray(ListView _list) {
+		ArrayList<Double> _result = new ArrayList<Double>();
+		SparseBooleanArray _arr = _list.getCheckedItemPositions();
+		for (int _iIdx = 0; _iIdx < _arr.size(); _iIdx++) {
+			if (_arr.valueAt(_iIdx))
+			_result.add((double)_arr.keyAt(_iIdx));
+		}
+		return _result;
+	}
+	
+	@Deprecated
+	public float getDip(int _input){
+		return TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, _input, getResources().getDisplayMetrics());
+	}
+	
+	@Deprecated
+	public int getDisplayWidthPixels(){
+		return getResources().getDisplayMetrics().widthPixels;
+	}
+	
+	@Deprecated
+	public int getDisplayHeightPixels(){
+		return getResources().getDisplayMetrics().heightPixels;
+	}
+	
+}