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i need the permission Internet in my Android App.

Here my Manifest-File:

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="de.medshoppro">

    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
    <uses-permission android:name="android.permission.CAMERA" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

    <application
        android:name=".application.GlobalDataStore"
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:networkSecurityConfig="@xml/network_security_config"
        android:theme="@style/AppTheme">

        <activity android:name=".activities.Test"></activity>

        <activity
            android:name=".activities.MedShopPro"
            android:label="@string/app_name">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>
</manifest>

But if i start my App on my Phone (Pixel 4 XL) i can´t use the Internet. And i can´t give my App the permission over App-Details->Permissions.

What is missing or wrong ?

Tomssen
  • 1

2 Answers2

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Your question is not clear. Maybe this is what you are asking.

If your phone using an api greater than 23 or 23, then you need to check for permission at runtime.

Android-M ie, API 23 introduced Runtime Permissions for reducing security flaws in android device, where users can now directly manage app permissions at runtime.so if the user denies a particular permission of your application you have to obtain it by asking the permission dialog that you mentioned in your query.

So check before action ie, check you have permission to access the resource link and if your application doesn't have that particular permission you can request the permission link and handle the the permissions request response like below.

@Override
public void onRequestPermissionsResult(int requestCode,
        String permissions[], int[] grantResults) {
    switch (requestCode) {
        case MY_PERMISSIONS_REQUEST_READ_CONTACTS: {
            // If request is cancelled, the result arrays are empty.
            if (grantResults.length > 0
                && grantResults[0] == PackageManager.PERMISSION_GRANTED) {

                // permission was granted, yay! Do the
                // contacts-related task you need to do.

               } else {

                // permission denied, boo! Disable the
                // functionality that depends on this permission.
            }
            return;
        }

        // other 'case' lines to check for other
        // permissions this app might request
    }
}

Another sample code is here.

if (ContextCompat.checkSelfPermission(context, Manifest.permission.WRITE_CALENDAR) != PackageManager.PERMISSION_GRANTED) {
    if (ActivityCompat.shouldShowRequestPermissionRationale((Activity) context, Manifest.permission.WRITE_CALENDAR)) {
        AlertDialog.Builder alertBuilder = new AlertDialog.Builder(context);
        alertBuilder.setCancelable(true);
        alertBuilder.setMessage("Write calendar permission is necessary to write event!!!");
        alertBuilder.setPositiveButton(android.R.string.yes, new DialogInterface.OnClickListener() {
            @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
            public void onClick(DialogInterface dialog, int which) {
                ActivityCompat.requestPermissions((Activity)context, new String[]{Manifest.permission.WRITE_CALENDAR}, MY_PERMISSIONS_REQUEST_WRITE_CALENDAR);
            }
        });
    } else {
        ActivityCompat.requestPermissions((Activity)context, new String[]{Manifest.permission.WRITE_CALENDAR}, MY_PERMISSIONS_REQUEST_WRITE_CALENDAR);
    }
}

So finally, It's a good practice to go through behavior changes if you are planning to work with new versions to avoid force closes :)

Permissions Best Practices.

You can go through the official sample app here.

BEN TEN
  • 48
  • 5
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I have found my mistake. I used httpclient but in version O and P i have to use HttpsURLConnection.

Internet permission not working in oreo and pie

Tomssen
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