本地掃描音樂(lè)文件

網(wǎng)站的建設(shè)創(chuàng)新互聯(lián)專注網(wǎng)站定制,經(jīng)驗(yàn)豐富,不做模板,主營(yíng)網(wǎng)站定制開(kāi)發(fā).小程序定制開(kāi)發(fā),H5頁(yè)面制作!給你煥然一新的設(shè)計(jì)體驗(yàn)!已為成都石牌坊等企業(yè)提供專業(yè)服務(wù)。

public class ScannerActivity extends Activity {

private ListView mlistview;

ArrayList<MusicInfo> list = new ArrayList<MusicInfo>();

private MyAdapter myAdapter;

private MyReceiver myReceiver;

private ProgressBar progressbar;

private MyApplication myApplication;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_scanner);

myApplication = (MyApplication) getApplication();

myApplication.addActity(this);

progressbar = (ProgressBar) findViewById(R.id.scanner_progressbar);

mlistview = (ListView) findViewById(R.id.listView1);

myAdapter = new MyAdapter();

mlistview.setAdapter(myAdapter);

}

public void btnScanner(View v) {

Intent intent = new Intent(Intent.ACTION_MEDIA_MOUNTED);

Uri uri = Uri.parse("file://" + Environment.getExternalStorageDirectory().getAbsolutePath());

intent.setData(uri);

sendBroadcast(intent);

}

private void scannerMusic() {

list.clear();

ContentResolver contentResolver = getContentResolver();

Cursor cursor = contentResolver.query(Media.EXTERNAL_CONTENT_URI, null, null, null, null);

boolean first = cursor.moveToFirst();

while (first) {

String singer = cursor.getString(cursor.getColumnIndex(Media.ARTIST));

String musicname = cursor.getString(cursor.getColumnIndex(Media.DISPLAY_NAME));

String musicurl = cursor.getString(cursor.getColumnIndex(Media.DATA));

int musiclen = cursor.getInt(cursor.getColumnIndex(Media.DURATION));

list.add(new MusicInfo(singer, musicname, musiclen, musicurl, null));

first = cursor.moveToNext();

}

cursor.close();

myAdapter.notifyDataSetChanged();

}

class MyAdapter extends BaseAdapter {

@Override

public int getCount() {

return list.size();

}

@Override

public Object getItem(int position) {

return null;

}

@Override

public long getItemId(int position) {

return 0;

}

@Override

public View getView(int position, View convertView, ViewGroup parent) {

View inflate = getLayoutInflater().inflate(R.layout.scanner_item, null);

TextView musicname = (TextView) inflate.findViewById(R.id.scanner_musicname);

TextView singer = (TextView) inflate.findViewById(R.id.scanner_singer);

MusicInfo musicInfo = list.get(position);

musicname.setText(musicInfo.getMusicName());

singer.setText(musicInfo.getSinger());

return inflate;

}

}

@Override

protected void onStart() {

myReceiver = new MyReceiver();

IntentFilter filter = new IntentFilter();

filter.addAction(Intent.ACTION_MEDIA_SCANNER_STARTED);

filter.addAction(Intent.ACTION_MEDIA_SCANNER_FINISHED);

filter.addDataScheme("file");

registerReceiver(myReceiver, filter);

super.onStart();

}

@Override

protected void onStop() {

unregisterReceiver(myReceiver);

super.onStop();

}

@Override

protected void onDestroy()

{

myApplication.removeActivity(this);

super.onDestroy();

}

class MyReceiver extends BroadcastReceiver {

@Override

public void onReceive(Context context, Intent intent) {

String action = intent.getAction();

switch (action) {

case Intent.ACTION_MEDIA_SCANNER_STARTED:

Toast.makeText(ScannerActivity.this, "開(kāi)始掃描", Toast.LENGTH_SHORT).show();

break;

case Intent.ACTION_MEDIA_SCANNER_FINISHED:

Toast.makeText(ScannerActivity.this, "結(jié)束掃描", Toast.LENGTH_SHORT).show();

mlistview.setVisibility(View.VISIBLE);

scannerMusic();

progressbar.setVisibility(View.GONE);

break;

default:

break;

}

}

}

}

創(chuàng)新互聯(lián)www.cdcxhl.cn，專業(yè)提供香港、美國(guó)云服務(wù)器，動(dòng)態(tài)BGP最優(yōu)骨干路由自動(dòng)選擇，持續(xù)穩(wěn)定高效的網(wǎng)絡(luò)助力業(yè)務(wù)部署。公司持有工信部辦法的idc、isp許可證， 機(jī)房獨(dú)有T級(jí)流量清洗系統(tǒng)配攻擊溯源，準(zhǔn)確進(jìn)行流量調(diào)度，確保服務(wù)器高可用性。佳節(jié)活動(dòng)現(xiàn)已開(kāi)啟，新人活動(dòng)云服務(wù)器買多久送多久。

網(wǎng)站題目：本地掃描音樂(lè)文件-創(chuàng)新互聯(lián)
本文網(wǎng)址：http://newbst.com/article10/dgiedo.html

成都網(wǎng)站建設(shè)公司_創(chuàng)新互聯(lián)，為您提供網(wǎng)站策劃、虛擬主機(jī)、小程序開(kāi)發(fā)、ChatGPT、營(yíng)銷型網(wǎng)站建設(shè)、手機(jī)網(wǎng)站建設(shè)

廣告

聲明：本網(wǎng)站發(fā)布的內(nèi)容（圖片、視頻和文字）以用戶投稿、用戶轉(zhuǎn)載內(nèi)容為主，如果涉及侵權(quán)請(qǐng)盡快告知，我們將會(huì)在第一時(shí)間刪除。文章觀點(diǎn)不代表本網(wǎng)站立場(chǎng)，如需處理請(qǐng)聯(lián)系客服。電話：028-86922220；郵箱：631063699@qq.com。內(nèi)容未經(jīng)允許不得轉(zhuǎn)載，或轉(zhuǎn)載時(shí)需注明來(lái)源： 創(chuàng)新互聯(lián)