how to validate a URL / website name in EditText in Android?
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Patterns.WEB_URL.matcher(potentialUrl).matches() |
How to implement onBackPressed() & intents in fragment?
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public boolean onKeyDown(int keyCode, KeyEvent event) { switch (keyCode) { case KeyEvent.KEYCODE_BACK: String cameback="CameBack"; intent = new Intent(getActivity(),HomeActivity.class); intent.putExtra("Comingback", cameback); startActivity(intent); return true } return false; } |
.dex file in android
Compiled Android application code file. Android programs are compiled into .dex (Dalvik Executable) files, which are in turn zipped into a single .apk file on the device. .dex files can be created by automatically by Android translating compiled applications written in the Java programming language.
Android: What is the best HTTP library for uploading images to server? [closed]
AndroidAsync – https://github.com/koush/AndroidAsync android-async-http – https://github.com/loopj/android-async-http okhttp – https://github.com/square/okhttp http-request – https://github.com/kevinsawicki/http-request android-volley – https://github.com/mcxiaoke/android-volley ion – https://github.com/koush/ion retrofit– https://github.com/square/retrofit Bolts-Android– https://github.com/BoltsFramework/Bolts-Android The library you mentioned are very different in nature. They can be more or less grouped like this Socket level API: This includes AndroidAsync okhttp HttpClient HttpURLConnection These are very […]
Upload File
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public function uploadAvatar($photo = array()) { if (! empty ( $photo ['name'] )) { $upload_dir = BASE_PATH . "photos/profiles"; $md_dir = md5 ( $this->user_info ['email'] ); $pathname = $upload_dir . "/" . $md_dir; if (! file_exists ( $pathname )) { mkdir ( $pathname ); } $upload_photo = new upload ( $photo ); if ($upload_photo->uploaded) { $upload_photo->file_new_name_body = 'avatar2'; $upload_photo->image_convert = "jpg"; $upload_photo->image_min_width = 300; $upload_photo->image_min_height = 300; $upload_photo->file_auto_rename = false; $upload_photo->file_overwrite = true; $upload_photo->file_max_size = "300K"; $upload_photo->allowed = "image/*"; $upload_photo->Process ( $pathname . "/" ); if ($upload_photo->processed) { $photo = $upload_file->file_dst_name_body . "." . $upload_file->file_dst_name_ext; $return ['src'] = $photo; return $return; } else { $return ['err'] = 1; $return ['msg'] = $upload_photo->error; return $return; } } }else{ $return ['err'] = 1; $return ['msg'] = "Please select an image"; return $return; } } |
How to set text to view from drawer header layout in navigation drawer without inflating view
u get navigation header view by navigationView.getHeaderView(0) just try below code it works!
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NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view); navigationView.setNavigationItemSelectedListener(this); View header=navigationView.getHeaderView(0); /*View view=navigationView.inflateHeaderView(R.layout.nav_header_main);*/ name = (TextView)header.findViewById(R.id.username); email = (TextView)header.findViewById(R.id.email); name.setText(personName); email.setText(personEmail); |
How to use putExtra() and getExtra() for string data
Use this to “put” the file…
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Intent i = new Intent(FirstScreen.this, SecondScreen.class); String strName = null; i.putExtra("STRING_I_NEED", strName); |
Then, to retrieve the value try something like:
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String newString; if (savedInstanceState == null) { Bundle extras = getIntent().getExtras(); if(extras == null) { newString= null; } else { newString= extras.getString("STRING_I_NEED"); } } else { newString= (String) savedInstanceState.getSerializable("STRING_I_NEED"); } |
Facebook username or user id regex
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<span class="pun">(?:(?:</span><span class="pln">http</span><span class="pun">|</span><span class="pln">https</span><span class="pun">):</span><span class="pln">\/\/</span><span class="pun">)?(?:</span><span class="pln">www</span><span class="pun">.)?</span><span class="pln">facebook</span><span class="pun">.</span><span class="pln">com\/</span><span class="pun">(?:(?:</span><span class="pln">\w</span><span class="pun">)*#!</span><span class="pln">\/</span><span class="pun">)?(?:</span><span class="pln">pages\/</span><span class="pun">)?(?:[?</span><span class="pln">\w\-</span><span class="pun">]*</span><span class="pln">\/</span><span class="pun">)?(?:</span><span class="pln">profile</span><span class="pun">.</span><span class="pln">php\?id</span><span class="pun">=(?=</span><span class="pln">\d</span><span class="pun">.*)</span> |
How get the thumbnail from YouTube
For example your youtube video url is as below.
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String youtubeUrl = "https://www.youtube.com/watch?v=Rxo0Upfz48Q"; |
In this url parameter v=Rxo0Upfz48Q stands for video id. So, in above url videoID isRxo0Upfz48Q You can get videoID using below code.
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Uri uri = Uri.parse(youtubeUrl); String videoID = uri.getQueryParameter("v"); |
Now using videoID you can make url to get first frame of that youtube video like below.
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String url = "http://img.youtube.com/vi/" + videoID +"/0.jpg"; |
Now […]
FilenameUtils
https://www.dropbox.com/s/fy21wu5nnesmms5/commons-io-2.5-bin.zip?dl=0