Shuffle Array of String Java Example

AD MOB


       String[] sAr = new String[] {"one","two","three"};
       List<String> wordList = Arrays.asList(sAr);
       Collections.shuffle( wordList);
       String[]myShuffledArray = wordList.toArray(new String[wordList.size()]);

397LW NO topic_id

Další témata ....(Topics)

348

Cannot resolve symbol HttpGet,HttpClient,HttpResponce in Android Studio | cannot-resolve-symbol-httpgethttpclienthttpresponce-in-android-studio

Try this code:


final String ERROR = "my error message....";

 private class DownloadWebPageTask extends AsyncTask<String, Void, String> {
// some code and method ..... see AsyncTask

       @Override
        protected String doInBackground(String... urls) {

              URL urlL = null;
                try {
                    urlL = new URL(url);//"//chmi.cz..../"
                    HttpURLConnection urlConnection = null;
                    try {
                         urlConnection = (HttpURLConnection) urlL.openConnection();
                        InputStream in = new BufferedInputStream(urlConnection.getInputStream());
                      response =  readStream(in);
                        return response;
                    } catch (IOException e) {
                        //throw new RuntimeException(e);

                    } finally {
                        if(urlConnection != null)
                            urlConnection.disconnect();
                        return ERROR;
                    }
                } catch (MalformedURLException e) {
                    e.printStackTrace();
                    return ERROR;
                }
           }
            return response;
        }

        private String readStream(InputStream is) {
            try {
                ByteArrayOutputStream bo = new ByteArrayOutputStream();
                int i = is.read();
                while(i != -1) {
                    bo.write(i);
                    i = is.read();
                }
                return bo.toString();
            } catch (IOException e) {
                return "";
            }
        }

256

Save Restore Array List Android Example | save-restore-array-list-android-example


        int[] mArrayOfInt;
        String[] mArrayOfString;
        List<String> mList;
        public void saveState(Bundle map)
        {
                map.putIntArray("mArrayOfInt", mArrayOfInt);
                map.putStringArray("mArrayOfString", mArrayOfString);
                map.putStringArrayList("mList", mList);
        }

        public void restoreState(Bundle map)
        {
                mArrayOfInt= map.getIntArray("mArrayOfInt");
                mArrayOfString = map.getStringArray("mArrayOfString");
                mList = map.getStringArrayList("mList");

        }

289

Call requires API level xx current min is xx android | call-requires-api-level-xx-current-min-is-xx-android

Call requires API level 16 (current min is 4): android
Change The SDK version in AndroidManifest.xml to higher


<uses-sdk android:minSdkVersion="4" />
// 
<uses-sdk android:minSdkVersion="8" />

Open url with browser if button clicked Android example. | open-url-with-browser-if-button-clicked-android-example

Button, setOnClickListener, Intent.ACTION_VIEW, startActivity Android example.



Button mIdButtonHome = (Button)findViewById(R.id.idButtonHome);
	mIdButtonHome.setOnClickListener(new View.OnClickListener() {
		public void onClick(View v) {
			Intent browserIntent = new Intent(
					Intent.ACTION_VIEW,
					Uri.parse("//android.okhelp.cz/category/software/"));
			startActivity(browserIntent);
		}
	});

396

ADB restart device every time Android Studio | adb-restart-device-every-time

Android Studio ADB restart mobile device from USB every time if RUN of DEBUG button pressed

Try to close the mobile application on your device completely before starting again from Android Studio.
Close every fragment.
The problem occurs when the application has multiple fragments.

Date: 13.07.2020 - 08:23

Editace: 2013-12-09 11:04:23
Počet článků v kategorii: 397
Url:shuffle-array-of-string-java-example

AD

Okhelp.cz