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ZenluaZenlua
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Add files via upload
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Lines changed: 59 additions & 183 deletions

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‎app/src/main/java/com/example/rootfilepicker/MainActivity.java‎

Lines changed: 59 additions & 183 deletions
Original file line numberDiff line numberDiff line change
@@ -1,219 +1,95 @@
1+
package com.example.musicplayerapp;
12

2-
// MainActivity.java
3-
package com.example.rootfilepicker;
4-
5-
import android.Manifest;
6-
import android.app.Activity;
3+
import android.app.Notification;
4+
import android.app.NotificationChannel;
5+
import android.app.NotificationManager;
76
import android.content.Intent;
8-
import android.content.pm.PackageManager;
9-
import android.net.Uri;
7+
import android.os.Build;
108
import android.os.Bundle;
11-
import android.os.Environment;
129
import android.view.View;
13-
import android.widget.*;
14-
import androidx.annotation.NonNull;
10+
import android.widget.Button;
11+
import android.widget.Toast;
1512
import androidx.appcompat.app.AppCompatActivity;
16-
import androidx.core.app.ActivityCompat;
17-
import androidx.core.content.ContextCompat;
18-
import java.io.File;
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import java.io.FileWriter;
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import java.io.IOException;
21-
import java.util.*;
22-
import java.io.BufferedReader;
23-
import java.io.InputStreamReader;
13+
import android.media.MediaPlayer;
14+
import android.net.Uri;
2415

2516
public class MainActivity extends AppCompatActivity {
2617

27-
private void testRootAccess() {
28-
try {
29-
Process process = Runtime.getRuntime().exec(new String[]{"su", "-c", "id"});
30-
BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
31-
String output = reader.readLine();
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Toast.makeText(this, "su output: " + output, Toast.LENGTH_LONG).show();
33-
} catch (Exception e) {
34-
Toast.makeText(this, "su failed: " + e.getMessage(), Toast.LENGTH_LONG).show();
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}
36-
}
37-
38-
private List<String> fileFilter = new ArrayList<>();
39-
private String typeUri = "path";
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private static final int PERMISSION_REQUEST_CODE = 1;
41-
private ListView listView;
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private File currentDirectory;
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private TextView tvCurrentPath;
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private FileListAdapter adapter;
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private final List<FileItem> fileItems = new ArrayList<>();
46-
private final List<FileItem> selectedItems = new ArrayList<>();
47-
48-
18+
private MediaPlayer mediaPlayer;
19+
private static final String CHANNEL_ID = "music_channel";
20+
private Button playButton, pauseButton, stopButton;
4921

5022
@Override
5123
protected void onCreate(Bundle savedInstanceState) {
52-
Intent intent = getIntent();
53-
if (intent != null && intent.hasExtra("type_uri")) {
54-
55-
String extRaw = intent.getStringExtra("extension");
56-
if (extRaw != null) {
57-
for (String ext : extRaw.split(",")) {
58-
fileFilter.add(ext.trim().toLowerCase());
59-
}
60-
}
61-
typeUri = intent.getStringExtra("type_uri");
62-
63-
}
6424
super.onCreate(savedInstanceState);
65-
testRootAccess();
66-
// Lưu khi app thoát
67-
Runtime.getRuntime().addShutdownHook(new Thread(this::saveSelectedPaths));
68-
69-
70-
7125
setContentView(R.layout.activity_main);
7226

73-
listView = findViewById(R.id.listview);
74-
tvCurrentPath = findViewById(R.id.tv_current_path);
75-
Button btnSave = findViewById(R.id.btn_save_list);
27+
// Khởi tạo các button
28+
playButton = findViewById(R.id.playButton);
29+
pauseButton = findViewById(R.id.pauseButton);
30+
stopButton = findViewById(R.id.stopButton);
7631

77-
adapter = new FileListAdapter(this, fileItems, selectedItems);
78-
listView.setAdapter(adapter);
32+
// Tạo Notification Channel (cho API 26+)
33+
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
34+
NotificationChannel channel = new NotificationChannel(CHANNEL_ID, "Music Service", NotificationManager.IMPORTANCE_LOW);
35+
NotificationManager manager = getSystemService(NotificationManager.class);
36+
manager.createNotificationChannel(channel);
37+
}
7938

80-
SearchView searchView = findViewById(R.id.searchView);
81-
searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
82-
@Override
83-
public boolean onQueryTextSubmit(String query) {
84-
adapter.getFilter().filter(query);
85-
return true;
86-
}
39+
// Khởi tạo MediaPlayer
40+
mediaPlayer = MediaPlayer.create(this, Uri.parse("android.resource://" + getPackageName() + "/" + R.raw.sample_music));
8741

42+
// Chức năng Play
43+
playButton.setOnClickListener(new View.OnClickListener() {
8844
@Override
89-
public boolean onQueryTextChange(String newText) {
90-
adapter.getFilter().filter(newText);
91-
return true;
92-
}
93-
});
94-
95-
96-
listView.setOnItemClickListener((adapterView, view, i, l) -> {
97-
FileItem item = fileItems.get(i);
98-
File file = item.getFile();
99-
if (file.isDirectory()) {
100-
loadDirectory(file);
101-
} else {
102-
if (selectedItems.contains(item)) {
103-
selectedItems.remove(item);
104-
} else {
105-
selectedItems.add(item);
45+
public void onClick(View v) {
46+
if (!mediaPlayer.isPlaying()) {
47+
mediaPlayer.start();
48+
showNotification("Playing Music", "Sample Music");
10649
}
107-
adapter.notifyDataSetChanged();
10850
}
10951
});
11052

111-
listView.setOnItemLongClickListener((adapterView, view, i, l) -> {
112-
FileItem item = fileItems.get(i);
113-
if (item.getFile().isDirectory()) {
114-
if (selectedItems.contains(item)) {
115-
selectedItems.remove(item);
116-
} else {
117-
selectedItems.add(item);
53+
// Chức năng Pause
54+
pauseButton.setOnClickListener(new View.OnClickListener() {
55+
@Override
56+
public void onClick(View v) {
57+
if (mediaPlayer.isPlaying()) {
58+
mediaPlayer.pause();
59+
showNotification("Music Paused", "Sample Music");
11860
}
119-
adapter.notifyDataSetChanged();
120-
return true;
12161
}
122-
return false;
12362
});
12463

125-
btnSave.setOnClickListener(v -> {
126-
saveSelectedPaths();
127-
finish(); // Thoát app sau khi lưu
128-
});
129-
130-
if (checkPermission()) {
131-
initFilePicker();
132-
} else {
133-
requestPermission();
134-
}
135-
}
136-
137-
private void initFilePicker() {
138-
currentDirectory = Environment.getExternalStorageDirectory();
139-
loadDirectory(currentDirectory);
140-
}
141-
142-
private void loadDirectory(File dir) {
143-
currentDirectory = dir;
144-
tvCurrentPath.setText(dir.getAbsolutePath());
145-
File[] files = dir.listFiles();
146-
fileItems.clear();
147-
if (files != null) {
148-
Arrays.sort(files, (f1, f2) -> {
149-
if (f1.isDirectory() && !f2.isDirectory()) return -1;
150-
if (!f1.isDirectory() && f2.isDirectory()) return 1;
151-
return f1.getName().compareToIgnoreCase(f2.getName());
152-
});
153-
for (File f : files) {
154-
if (!fileFilter.isEmpty() && f.isFile()) {
155-
boolean matched = false;
156-
for (String ext : fileFilter) {
157-
if (f.getName().toLowerCase().endsWith(ext)) {
158-
matched = true;
159-
break;
160-
}
64+
// Chức năng Stop
65+
stopButton.setOnClickListener(new View.OnClickListener() {
66+
@Override
67+
public void onClick(View v) {
68+
if (mediaPlayer.isPlaying()) {
69+
mediaPlayer.stop();
70+
mediaPlayer = MediaPlayer.create(MainActivity.this, Uri.parse("android.resource://" + getPackageName() + "/" + R.raw.sample_music));
71+
showNotification("Music Stopped", "Sample Music");
16172
}
162-
if (!matched) continue;
163-
}
164-
fileItems.add(new FileItem(f));
165-
}
166-
}
167-
adapter.notifyDataSetChanged();
168-
}
169-
170-
private void saveSelectedPaths() {
171-
File outFile = new File(Environment.getExternalStorageDirectory(), "list.txt");
172-
try (FileWriter writer = new FileWriter(outFile)) {
173-
for (FileItem item : selectedItems) {
174-
if ("uri".equals(typeUri)) {
175-
Uri uri = androidx.core.content.FileProvider.getUriForFile(
176-
this,
177-
getApplicationContext().getPackageName() + ".provider",
178-
item.getFile()
179-
);
180-
writer.write(uri.toString() + "\n");
181-
} else {
182-
writer.write(item.getFile().getAbsolutePath() + "\n");
18373
}
184-
}
185-
Toast.makeText(this, "Đã lưu tại: " + outFile.getAbsolutePath(), Toast.LENGTH_LONG).show();
186-
} catch (IOException e) {
187-
Toast.makeText(this, "Lỗi lưu file", Toast.LENGTH_SHORT).show();
188-
}
74+
});
18975
}
19076

191-
private boolean checkPermission() {
192-
return ContextCompat.checkSelfPermission(this, Manifest.permission.READ_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED;
193-
}
77+
private void showNotification(String title, String content) {
78+
Notification notification = new Notification.Builder(this, CHANNEL_ID)
79+
.setContentTitle(title)
80+
.setContentText(content)
81+
.setSmallIcon(android.R.drawable.ic_media_play)
82+
.build();
19483

195-
private void requestPermission() {
196-
ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.READ_EXTERNAL_STORAGE}, PERMISSION_REQUEST_CODE);
84+
NotificationManager manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
85+
manager.notify(1, notification);
19786
}
19887

19988
@Override
200-
public void onBackPressed() {
201-
if (currentDirectory != null && !currentDirectory.getAbsolutePath().equals("/")) {
202-
loadDirectory(currentDirectory.getParentFile());
203-
} else {
204-
saveSelectedPaths();
205-
super.onBackPressed();
206-
}
207-
}
208-
209-
@Override
210-
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
211-
if (requestCode == PERMISSION_REQUEST_CODE) {
212-
if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
213-
initFilePicker();
214-
} else {
215-
Toast.makeText(this, "Permission denied", Toast.LENGTH_SHORT).show();
216-
}
89+
protected void onDestroy() {
90+
super.onDestroy();
91+
if (mediaPlayer != null) {
92+
mediaPlayer.release();
21793
}
21894
}
219-
}
95+
}

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