这可能会对新来者有所帮助。
这是一个适用于所有 Android 版本以及各种可能设置的工作通知示例的代码。
1 -> sound and vibration
2 -> sound but no vibration
3 -> no sound but vibration
4 -> no sound no vibration
输出
Github 回购 -> https://github.com/usman14/Notification
代码
主活动
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.NotificationCompat;
import android.annotation.TargetApi;
import android.app.Notification;
import android.app.NotificationChannel;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.os.Build;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.CompoundButton;
import android.widget.Switch;
public class MainActivity extends AppCompatActivity {
public boolean shouldSound;
public boolean shouldVibrate;
NotificationManager notificationManager;
Button button;
Switch soundSwitch;
Switch vibrationSwitch;
@TargetApi(Build.VERSION_CODES.O)
public void registerNormalNotificationChannel(android.app.NotificationManager notificationManager) {
NotificationChannel channel_all = new NotificationChannel("CHANNEL_ID_ALL", "CHANNEL_NAME_ALL", NotificationManager.IMPORTANCE_HIGH);
channel_all.enableVibration(true);
notificationManager.createNotificationChannel(channel_all);
NotificationChannel channel_sound = new NotificationChannel("CHANNEL_ID_SOUND", "CHANNEL_NAME_ALL", NotificationManager.IMPORTANCE_HIGH);
channel_sound.enableVibration(false);
notificationManager.createNotificationChannel(channel_sound);
NotificationChannel channel_vibrate = new NotificationChannel("CHANNEL_ID_VIBRATE", "CHANNEL_NAME_ALL", NotificationManager.IMPORTANCE_HIGH);
channel_vibrate.setSound(null, null);
channel_vibrate.enableVibration(true);
notificationManager.createNotificationChannel(channel_vibrate);
NotificationChannel channel_none = new NotificationChannel("CHANNEL_ID_NONE", "CHANNEL_NAME_ALL", NotificationManager.IMPORTANCE_HIGH);
channel_none.setSound(null, null);
channel_none.enableVibration(false);
notificationManager.createNotificationChannel(channel_none);
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
button = findViewById(R.id.btn);
soundSwitch = findViewById(R.id.switch_sound);
vibrationSwitch = findViewById(R.id.switch_vibration);
notificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
if (isOreoOrAbove()) {
setupNotificationChannels();
}
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
makeNotification();
}
});
soundSwitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton compoundButton, boolean b) {
if (b) {
shouldSound = true;
} else {
shouldSound = false;
}
}
});
vibrationSwitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton compoundButton, boolean b) {
if (b) {
shouldVibrate = true;
} else {
shouldVibrate = false;
}
}
});
}
private void setupNotificationChannels() {
registerNormalNotificationChannel(notificationManager);
}
public void makeNotification() {
NotificationCompat.Builder builder = new NotificationCompat.Builder(MainActivity.this, getChannelId())
.setContentTitle("Hi")
.setSmallIcon(R.mipmap.ic_launcher)
.setContentText("Welcome to Android");
Intent intent = new Intent(MainActivity.this, MainActivity.class);
PendingIntent pendingIntent = PendingIntent.getActivity(MainActivity.this, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);
builder.setContentIntent(pendingIntent);
if (shouldSound && !shouldVibrate) {
builder.setDefaults(Notification.DEFAULT_SOUND)
.setVibrate(new long[]{0L});
}
if (shouldVibrate && !shouldSound) {
builder.setDefaults(Notification.DEFAULT_VIBRATE)
.setSound(null);
}
if (shouldSound && shouldVibrate) {
builder.setDefaults(Notification.DEFAULT_ALL);
}
notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
notificationManager.notify(0, builder.build());
}
private String getChannelId() {
if (shouldSound && shouldVibrate) {
return "CHANNEL_ID_ALL";
} else if (shouldSound && !shouldVibrate) {
return "CHANNEL_ID_SOUND";
} else if (!shouldSound && shouldVibrate) {
return "CHANNEL_ID_VIBRATE";
} else {
return "CHANNEL_ID_NONE";
}
}
private boolean isOreoOrAbove() {
return android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O;
}
}
activity_main (xml)
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 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"
tools:context=".MainActivity">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:id="@+id/sound_layout"
android:orientation="horizontal"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintBottom_toBottomOf="parent">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="SOUND SWITCH"></TextView>
<Switch
android:layout_marginLeft="50dp"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical"
android:id="@+id/switch_sound">
</Switch>
</LinearLayout>
<LinearLayout
android:id="@+id/vibration_layout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:orientation="horizontal"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="@id/sound_layout">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="VIBRATION SWITCH"></TextView>
<Switch
android:layout_marginLeft="50dp"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical"
android:id="@+id/switch_vibration">
</Switch>
</LinearLayout>
<Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Send Notification"
android:id="@+id/btn"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="@id/vibration_layout"></Button>
</androidx.constraintlayout.widget.ConstraintLayout>