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How to alter notification background colour in Android?

This instance demonstrate about How tin I marquee the text content in Android Notification.

Step 1 − Create a new project in Android Studio, get to File ⇒ New Project and fill all required details to create a new projection.

Footstep two − Add the following lawmaking to res/layout/activity_main.xml.

<? xml version = "ane.0" encoding = "utf-8" ?> <RelativeLayout xmlns: android = "http://schemas.android.com/apk/res/android"    xmlns: tools = "http://schemas.android.com/tools"    android :layout_width = "match_parent"    android :layout_height = "match_parent"    tools :context = ".MainActivity" >    <Button       android :layout_width = "match_parent"       android :layout_height = "wrap_content"       android :layout_centerInParent = "true"       android :layout_margin = "16dp"       android :onClick = "createNotification"       android :text = "create notification" /> </RelativeLayout>

Footstep 3 − Add the following lawmaking to res/layout/custom_notification_layout.xml.

<? xml version = "1.0" encoding = "utf-8" ?> <RelativeLayout xmlns: android = "http://schemas.android.com/apk/res/android"    android :id = "@+id/layout"    android :layout_width = "fill_parent"    android :layout_height = "64dp"    android :background = "@color/colorAccent"    android :padding = "10dp" >    <ImageView       android :id = "@+id/prototype"       android :layout_width = "wrap_content"       android :layout_height = "fill_parent"       android :layout_alignParentStart = "true"       android :layout_marginEnd = "10dp"       android :contentDescription = "@string/app_name"       android :src = "@mipmap/ic_launcher" />    <TextView       android :id = "@+id/championship"       android :layout_width = "wrap_content"       android :layout_height = "wrap_content"       android :layout_toEndOf = "@id/image"       android :text = "Testing"       android :textColor = "#000"       android :textSize = "13sp" />    <TextView       android :id = "@+id/text"       android :layout_width = "wrap_content"       android :layout_height = "wrap_content"       android :layout_below = "@id/title"       android :layout_toEndOf = "@id/image"       android :ellipsize = "marquee"       android :singleLine = "truthful"       android :text = "Lorem Ipsum is just dummy text of the printing and typesetting          industry. Lorem Ipsum has been the industry's standard dummy text always since the          1500s, when an unknown printer took a galley of type and scrambled it to make a blazon          specimen book. It has survived not but v centuries, but besides the leap into          electronic typesetting, remaining essentially unchanged. It was popularised in the          1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more than          recently with desktop publishing software like Aldus PageMaker including versions of          Lorem Ipsum. "    android :textColor = "#000"    android :textSize = "13sp" /> </RelativeLayout>

Pace 4− Add the following lawmaking to src/MainActivity.

package app.tutorialspoint.com.notifyme ; import android.app.NotificationChannel ; import android.app.NotificationManager ; import android.os.Bundle ; import android.support.v4.app.NotificationCompat ; import android.back up.v7.app.AppCompatActivity ; import android.view.View ; import android.widget.RemoteViews ; public class MainActivity extends AppCompatActivity {    public static last String NOTIFICATION_CHANNEL_ID = "10001" ;    private final static String default_notification_channel_id = "default" ;    @Override    protected void onCreate (Bundle savedInstanceState) {       super .onCreate(savedInstanceState) ;       setContentView(R.layout. activity_main ) ;    }    public void createNotification (View view) {       RemoteViews contentView = new RemoteViews(getPackageName() , R.layout. custom_notification_layout ) ;       NotificationManager mNotificationManager = (NotificationManager) getSystemService( NOTIFICATION_SERVICE ) ;       NotificationCompat.Builder mBuilder = new NotificationCompat.Architect(MainActivity. this, default_notification_channel_id ) ;       mBuilder.setContent(contentView) ;       mBuilder.setSmallIcon(R.drawable. ic_launcher_foreground ) ;       mBuilder.setAutoCancel( true ) ;       if (android.os.Build.VERSION. SDK_INT > = android.os.Build.VERSION_CODES. O ) {          int importance = NotificationManager. IMPORTANCE_HIGH ;          NotificationChannel notificationChannel = new NotificationChannel( NOTIFICATION_CHANNEL_ID , "NOTIFICATION_CHANNEL_NAME" , importance) ;          mBuilder.setChannelId( NOTIFICATION_CHANNEL_ID ) ;          assert mNotificationManager != nil;          mNotificationManager.createNotificationChannel(notificationChannel) ;       }       assert mNotificationManager != null;       mNotificationManager.notify(( int ) System. currentTimeMillis () ,       mBuilder.build()) ;    } }

Stride 5 − Add together the following lawmaking to AndroidManifest.xml

<? xml version = "1.0" encoding = "utf-8" ?> <manifest xmlns: android = "http://schemas.android.com/apk/res/android"    packet = "app.tutorialspoint.com.notifyme" >    <uses-permission android :proper name = "android.permission.VIBRATE" />    <application       android :allowBackup = "truthful"       android :icon = "@mipmap/ic_launcher"       android :label = "@cord/app_name"       android :roundIcon = "@mipmap/ic_launcher_round"       android :supportsRtl = "truthful"       android :theme = "@style/AppTheme" >       <activity android :name = ".MainActivity" >          <intent-filter>             <action android :name = "android.intent.action.Chief" />             <category android :proper noun = "android.intent.category.LAUNCHER" />          </intent-filter>       </activity>    </application> </manifest>

Let'south try to run your awarding. I assume you have connected your actual Android Mobile device with your computer. To run the app from android studio, open up 1 of your project's action files and click Run icon from the toolbar. Select your mobile device as an selection and then cheque your mobile device which will brandish your default screen −

Click hither to download the project code

Published on 16-May-2019 11:07:32

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