我正在创建一个临时应用程序,它向 android 请求通知权限。但是通知权限是在没有提示或做某事的情况下自动授予的。 你有什么主意吗?关于这个。
清单文件
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools">
<uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
<application
android:allowBackup="true"
android:dataExtractionRules="@xml/data_extraction_rules"
android:fullBackupContent="@xml/backup_rules"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/Theme.Temp"
tools:targetApi="31">
<activity
android:name=".MainActivity"
android:exported="true">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
java文件
package com.example.temp;
import androidx.activity.result.ActivityResultLauncher;
import androidx.activity.result.contract.ActivityResultContracts;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;
import android.Manifest;
import android.app.Notification;
import android.app.NotificationManager;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.widget.Toast;
public class MainActivity extends AppCompatActivity {
private static final int NOTIFICATION_PERMISSION = 100;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
findViewById(R.id.button).setOnClickListener(v -> requestNotificationPermission());
}
public void requestNotificationPermission() {
if (ContextCompat.checkSelfPermission(this, Manifest.permission.POST_NOTIFICATIONS) != PackageManager.PERMISSION_GRANTED) {
ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.POST_NOTIFICATIONS}, NOTIFICATION_PERMISSION);
} else {
Toast.makeText(this, "Permission already granted", Toast.LENGTH_SHORT).show();
}
}
}
我不知道为什么会这样,我的目标设备有最新的安卓版本。