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Notifications Tutorial Part 2
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<?xml version="1.0" encoding="utf-8"?> | |
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" | |
xmlns:app="http://schemas.android.com/apk/res-auto" | |
xmlns:tools="http://schemas.android.com/tools" | |
android:layout_width="match_parent" | |
android:layout_height="match_parent" | |
android:orientation="vertical" | |
android:padding="16dp" | |
tools:context="com.codinginflow.notificationsexample.MainActivity"> | |
<EditText | |
android:id="@+id/edit_text_title" | |
android:layout_width="match_parent" | |
android:layout_height="wrap_content" | |
android:hint="Title" /> | |
<EditText | |
android:id="@+id/edit_text_message" | |
android:layout_width="match_parent" | |
android:layout_height="wrap_content" | |
android:hint="Message" /> | |
<Button | |
android:layout_width="match_parent" | |
android:layout_height="wrap_content" | |
android:onClick="sendOnChannel1" | |
android:text="Send on Channel 1" /> | |
<Button | |
android:layout_width="match_parent" | |
android:layout_height="wrap_content" | |
android:onClick="sendOnChannel2" | |
android:text="Send on Channel 2" /> | |
</LinearLayout> |
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<?xml version="1.0" encoding="utf-8"?> | |
<manifest xmlns:android="http://schemas.android.com/apk/res/android" | |
package="com.codinginflow.notificationsexample"> | |
<application | |
android:name=".App" | |
android:allowBackup="true" | |
android:icon="@mipmap/ic_launcher" | |
android:label="@string/app_name" | |
android:roundIcon="@mipmap/ic_launcher_round" | |
android:supportsRtl="true" | |
android:theme="@style/AppTheme"> | |
<activity android:name=".MainActivity"> | |
<intent-filter> | |
<action android:name="android.intent.action.MAIN" /> | |
<category android:name="android.intent.category.LAUNCHER" /> | |
</intent-filter> | |
</activity> | |
<receiver android:name=".NotificationReceiver" /> | |
</application> | |
</manifest> |
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package com.codinginflow.notificationsexample; | |
import android.app.Application; | |
import android.app.NotificationChannel; | |
import android.app.NotificationManager; | |
import android.os.Build; | |
public class App extends Application { | |
public static final String CHANNEL_1_ID = "channel1"; | |
public static final String CHANNEL_2_ID = "channel2"; | |
@Override | |
public void onCreate() { | |
super.onCreate(); | |
createNotificationChannels(); | |
} | |
private void createNotificationChannels() { | |
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) { | |
NotificationChannel channel1 = new NotificationChannel( | |
CHANNEL_1_ID, | |
"Channel 1", | |
NotificationManager.IMPORTANCE_HIGH | |
); | |
channel1.setDescription("This is Channel 1"); | |
NotificationChannel channel2 = new NotificationChannel( | |
CHANNEL_2_ID, | |
"Channel 2", | |
NotificationManager.IMPORTANCE_LOW | |
); | |
channel2.setDescription("This is Channel 2"); | |
NotificationManager manager = getSystemService(NotificationManager.class); | |
manager.createNotificationChannel(channel1); | |
manager.createNotificationChannel(channel2); | |
} | |
} | |
} |
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package com.codinginflow.notificationsexample; | |
import android.app.Notification; | |
import android.app.PendingIntent; | |
import android.content.Intent; | |
import android.graphics.Color; | |
import android.support.v4.app.NotificationCompat; | |
import android.support.v4.app.NotificationManagerCompat; | |
import android.support.v7.app.AppCompatActivity; | |
import android.os.Bundle; | |
import android.view.View; | |
import android.widget.EditText; | |
import static com.codinginflow.notificationsexample.App.CHANNEL_1_ID; | |
import static com.codinginflow.notificationsexample.App.CHANNEL_2_ID; | |
public class MainActivity extends AppCompatActivity { | |
private NotificationManagerCompat notificationManager; | |
private EditText editTextTitle; | |
private EditText editTextMessage; | |
@Override | |
protected void onCreate(Bundle savedInstanceState) { | |
super.onCreate(savedInstanceState); | |
setContentView(R.layout.activity_main); | |
notificationManager = NotificationManagerCompat.from(this); | |
editTextTitle = findViewById(R.id.edit_text_title); | |
editTextMessage = findViewById(R.id.edit_text_message); | |
} | |
public void sendOnChannel1(View v) { | |
String title = editTextTitle.getText().toString(); | |
String message = editTextMessage.getText().toString(); | |
Intent activityIntent = new Intent(this, MainActivity.class); | |
PendingIntent contentIntent = PendingIntent.getActivity(this, | |
0, activityIntent, 0); | |
Intent broadcastIntent = new Intent(this, NotificationReceiver.class); | |
broadcastIntent.putExtra("toastMessage", message); | |
PendingIntent actionIntent = PendingIntent.getBroadcast(this, | |
0, broadcastIntent, PendingIntent.FLAG_UPDATE_CURRENT); | |
Notification notification = new NotificationCompat.Builder(this, CHANNEL_1_ID) | |
.setSmallIcon(R.drawable.ic_one) | |
.setContentTitle(title) | |
.setContentText(message) | |
.setPriority(NotificationCompat.PRIORITY_HIGH) | |
.setCategory(NotificationCompat.CATEGORY_MESSAGE) | |
.setColor(Color.BLUE) | |
.setContentIntent(contentIntent) | |
.setAutoCancel(true) | |
.setOnlyAlertOnce(true) | |
.addAction(R.mipmap.ic_launcher, "Toast", actionIntent) | |
.build(); | |
notificationManager.notify(1, notification); | |
} | |
public void sendOnChannel2(View v) { | |
String title = editTextTitle.getText().toString(); | |
String message = editTextMessage.getText().toString(); | |
Notification notification = new NotificationCompat.Builder(this, CHANNEL_2_ID) | |
.setSmallIcon(R.drawable.ic_two) | |
.setContentTitle(title) | |
.setContentText(message) | |
.setPriority(NotificationCompat.PRIORITY_LOW) | |
.build(); | |
notificationManager.notify(2, notification); | |
} | |
} |
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package com.codinginflow.notificationsexample; | |
import android.content.BroadcastReceiver; | |
import android.content.Context; | |
import android.content.Intent; | |
import android.widget.Toast; | |
public class NotificationReceiver extends BroadcastReceiver { | |
@Override | |
public void onReceive(Context context, Intent intent) { | |
String message = intent.getStringExtra("toastMessage"); | |
Toast.makeText(context, message, Toast.LENGTH_SHORT).show(); | |
} | |
} |
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