Android Notification LED sample

Note : You should lock(screen) the phone before run this project(via android IDE) , because notification LED will be highlighted only when screen is off

Source SVN:LEDNotification 
Zipped Source:LEDNotification 

 
  public class LEDNotification extends Activity {
 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);

  setContentView(R.layout.activity_main);

  NotificationManager notif = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);

  for (int i = 0; i < 8; i++) {
   notif.cancel(1); // clear previous notification 
   final Notification notification = new Notification();
   if (i == 0){
    notification.ledARGB = Color.MAGENTA;
   }else if (i == 1){
    notification.ledARGB = Color.BLUE;
   }else if (i == 2){
    notification.ledARGB = Color.CYAN;
   }else if (i == 3){
    notification.ledARGB = Color.GRAY;
   }else if (i == 4){
    notification.ledARGB = Color.GREEN;
   }else if (i == 5){
    notification.ledARGB = Color.RED;
   }else if (i == 6){
    notification.ledARGB = Color.WHITE;
   }else if (i == 7){
    notification.ledARGB = Color.YELLOW;
   }
   notification.ledOnMS = 1000;
   notification.flags |= Notification.FLAG_SHOW_LIGHTS;
   notif.notify(1, notification);
   try {
    Thread.sleep(1000);
   } catch (InterruptedException e) {    
    e.printStackTrace();
   }
  }

 }

 

} 

No Special permission required for this project (LED Notification)

Open File Chooser With Camera Option In Webview File Option

In this example:

   1.  Opening url in webview and show progress for particular page.

   2.  Show file chooser for Webform file option.

   3.  Show Camera option in file chooser, capture image from camera and store in sdcard and select image for file option.

   4.  For an url click open new activity.

   5.  Open link from webview browser to new browser.

   6.  Open link from webview browser to webview browser.

FILE : ShowWebView.java

Code explanation defined as comments in code.

package com.androidexample.webview; import java.io.File; import android.app.Activity; import android.app.ProgressDialog; import android.content.Intent; import android.net.Uri; import android.os.Bundle; import android.os.Environment; import android.os.Parcelable; import android.provider.MediaStore; import android.webkit.ConsoleMessage; import android.webkit.ValueCallback; import android.webkit.WebChromeClient; import android.webkit.WebView; import android.webkit.WebViewClient; import android.webkit.WebSettings.PluginState; import android.widget.Toast; public class ShowWebView extends Activity {     //private Button button;     private WebView webView;     final Activity activity = this;     public Uri imageUri;           private static final int FILECHOOSER_RESULTCODE   = 2888;     private ValueCallback<Uri> mUploadMessage;     private Uri mCapturedImageURI = null;                public void onCreate(Bundle savedInstanceState) {                   super.onCreate(savedInstanceState);                   setContentView(R.layout.show_web_view);                   //Get webview         webView = (WebView) findViewById(R.id.webView1);                   // Define url that will open in webview         String webViewUrl = "http://www.androidexample.com/media/webview/details.html";                                          // Javascript inabled on webview          webView.getSettings().setJavaScriptEnabled(true);                   // Other webview options         webView.getSettings().setLoadWithOverviewMode(true);                   //webView.getSettings().setUseWideViewPort(true);                   //Other webview settings         webView.setScrollBarStyle(WebView.SCROLLBARS_OUTSIDE_OVERLAY);         webView.setScrollbarFadingEnabled(false);         webView.getSettings().setBuiltInZoomControls(true);         webView.getSettings().setPluginState(PluginState.ON);         webView.getSettings().setAllowFileAccess(true);         webView.getSettings().setSupportZoom(true);                   //Load url in webview         webView.loadUrl(webViewUrl);                   // Define Webview manage classes         startWebView();               }           private void startWebView() {                                       // Create new webview Client to show progress dialog         // Called When opening a url or click on link         // You can create external class extends with WebViewClient         // Taking WebViewClient as inner class                   webView.setWebViewClient(new WebViewClient() {                  ProgressDialog progressDialog;                        //If you will not use this method url links are open in new brower not in webview             public boolean shouldOverrideUrlLoading(WebView view, String url) {                                                // Check if Url contains ExternalLinks string in url                 // then open url in new browser                 // else all webview links will open in webview browser                 if(url.contains("google")){                                           // Could be cleverer and use a regex                     //Open links in new browser                     view.getContext().startActivity(                             new Intent(Intent.ACTION_VIEW, Uri.parse(url)));                                           // Here we can open new activity                                           return true;                                       } else {                                           // Stay within this webview and load url                     view.loadUrl(url);                     return true;                 }                                 }                                                       //Show loader on url load             public void onLoadResource (WebView view, String url) {                               // if url contains string androidexample                 // Then show progress  Dialog                 if (progressDialog == null && url.contains("androidexample")                         ) {                                           // in standard case YourActivity.this                     progressDialog = new ProgressDialog(ShowWebView.this);                     progressDialog.setMessage("Loading...");                     progressDialog.show();                 }             }                           // Called when all page resources loaded             public void onPageFinished(WebView view, String url) {                                   try{                     // Close progressDialog                     if (progressDialog.isShowing()) {                         progressDialog.dismiss();                         progressDialog = null;                     }                 }catch(Exception exception){                     exception.printStackTrace();                 }             }                      });                                // You can create external class extends with WebChromeClient         // Taking WebViewClient as inner class         // we will define openFileChooser for select file from camera or sdcard                   webView.setWebChromeClient(new WebChromeClient() {                           // openFileChooser for Android 3.0+             public void openFileChooser(ValueCallback<Uri> uploadMsg, String acceptType){                                   // Update message                 mUploadMessage = uploadMsg;                                   try{                                          // Create AndroidExampleFolder at sdcard                                           File imageStorageDir = new File(                                            Environment.getExternalStoragePublicDirectory(                                            Environment.DIRECTORY_PICTURES)                                            , "AndroidExampleFolder");                                                                  if (!imageStorageDir.exists()) {                         // Create AndroidExampleFolder at sdcard                         imageStorageDir.mkdirs();                     }                                           // Create camera captured image file path and name                     File file = new File(                                     imageStorageDir + File.separator + "IMG_"                                     + String.valueOf(System.currentTimeMillis())                                     + ".jpg");                                                           mCapturedImageURI = Uri.fromFile(file);                                           // Camera capture image intent                     final Intent captureIntent = new Intent(                                                   android.provider.MediaStore.ACTION_IMAGE_CAPTURE);                                                                         captureIntent.putExtra(MediaStore.EXTRA_OUTPUT, mCapturedImageURI);                                          Intent i = new Intent(Intent.ACTION_GET_CONTENT);                     i.addCategory(Intent.CATEGORY_OPENABLE);                     i.setType("image/*");                                           // Create file chooser intent                     Intent chooserIntent = Intent.createChooser(i, "Image Chooser");                                           // Set camera intent to file chooser                     chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS                                            , new Parcelable[] { captureIntent });                                           // On select image call onActivityResult method of activity                     startActivityForResult(chooserIntent, FILECHOOSER_RESULTCODE);                                         }                  catch(Exception e){                      Toast.makeText(getBaseContext(), "Exception:"+e,                                 Toast.LENGTH_LONG).show();                  }                               }                           // openFileChooser for Android < 3.0             public void openFileChooser(ValueCallback<Uri> uploadMsg){                 openFileChooser(uploadMsg, "");             }                           //openFileChooser for other Android versions             public void openFileChooser(ValueCallback<Uri> uploadMsg,                                        String acceptType,                                        String capture) {                                                          openFileChooser(uploadMsg, acceptType);             }             // The webPage has 2 filechoosers and will send a             // console message informing what action to perform,             // taking a photo or updating the file                           public boolean onConsoleMessage(ConsoleMessage cm) {                                      onConsoleMessage(cm.message(), cm.lineNumber(), cm.sourceId());                 return true;             }                           public void onConsoleMessage(String message, int lineNumber, String sourceID) {                 //Log.d("androidruntime", "Show console messages, Used for debugging: " + message);                               }         });   // End setWebChromeClient                }                       // Return here when file selected from camera or from SDcard           @Override      protected void onActivityResult(int requestCode, int resultCode,                                         Intent intent) {                if(requestCode==FILECHOOSER_RESULTCODE)       {                       if (null == this.mUploadMessage) {                 return;             }            Uri result=null;                         try{                 if (resultCode != RESULT_OK) {                                           result = null;                                       } else {                                           // retrieve from the private variable if the intent is null                     result = intent == null ? mCapturedImageURI : intent.getData();                 }             }             catch(Exception e)             {                 Toast.makeText(getApplicationContext(), "activity :"+e,                  Toast.LENGTH_LONG).show();             }                           mUploadMessage.onReceiveValue(result);             mUploadMessage = null;             }               }           // Open previous opened link from history on webview when back button pressed           @Override     // Detect when the back button is pressed     public void onBackPressed() {               if(webView.canGoBack()) {                       webView.goBack();                       } else {             // Let the system handle the back button             super.onBackPressed();         }     } }

FILE : show_web_view.xml

Define webview inside this file.

<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"     android:layout_width="fill_parent"     android:layout_height="fill_parent"     android:orientation="vertical" >            <WebView      android:id="@+id/webView1"     android:layout_width="fill_parent"     android:layout_height="fill_parent" />       </LinearLayout>

FILE : AndroidManifest.xml

Define sdcard and camera permission.

<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android"     package="com.androidexample.webview"     android:versionCode="1"     android:versionName="1.0" >          <uses-sdk         android:minSdkVersion="8"/>     <uses-permission android:name="android.permission.INTERNET" />     <uses-permission android:name="android.permission.CAMERA" />     <uses-feature android:name="android.hardware.camera" />     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />     <application         android:icon="@drawable/ic_launcher"         android:label="@string/app_name" >                   <activity             android:label="@string/app_name"             android:name=".ShowWebView"             android:theme="@android:style/Theme.NoTitleBar">             <intent-filter >                 <action android:name="android.intent.action.MAIN" />                 <category android:name="android.intent.category.LAUNCHER" />             </intent-filter>         </activity>     </application> </manifest>

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