Question

我在这里遇到了一些问题，这让我发疯了。我想在Android中使用 ACTION_CALL 意图召唤一个人，我在片段中使用以下代码执行此操作：

Intent callIntent = new Intent(Intent.ACTION_CALL);
       Ansat a = container.adapter.getItem(position);
       callIntent.setData(Uri.parse("tel:" + a.mobil.replace(" ", "").trim()));
       container.startActivity(callIntent);

container 是传递给片段的主要活动上下文，因为片段没有自己的活动。

我在Android清单中设置了权限：

<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.SEND_SMS" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.WAKE_LOCK" />
<uses-permission android:name="android.permission.CALL_PHONE" />

<permission
    android:name="mithfogvuc.android.svhfvuc.dk.app.permission.C2D_MESSAGE"
    android:protectionLevel="signature" />

<uses-permission android:name="mithfogvuc.android.svhfvuc.dk.app.permission.C2D_MESSAGE" />

<uses-feature
    android:name="android.hardware.camera"
    android:required="true" />

<application
    android:allowBackup="true"
    android:icon="@mipmap/ic_launcher"
    android:label="@string/app_name"
    android:supportsRtl="true"
    android:theme="@style/AppTheme.NoActionBar"
    tools:replace="android:icon">
    <activity
        android:name=".SplashActivity"
        android:screenOrientation="portrait">
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />

            <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
    </activity>
    <activity
        android:name=".MainActivity"
        android:screenOrientation="portrait" />
    <activity
        android:name=".NewsActivity"
        android:screenOrientation="portrait" />

    <receiver
        android:name="com.google.android.gms.gcm.GcmReceiver"
        android:exported="true"
        android:permission="com.google.android.c2dm.permission.SEND">
        <intent-filter>
            <action android:name="com.google.android.c2dm.intent.RECEIVE" />

            <category android:name="mithfogvuc.android.svhfvuc.dk.app" />
        </intent-filter>
    </receiver>

    <service
        android:name=".GCMPushReceiverService"
        android:exported="false">
        <intent-filter>
            <action android:name="com.google.android.c2dm.intent.RECEIVE" />
        </intent-filter>
    </service>
    <service
        android:name=".GCMRegistrationIntentService"
        android:exported="false">
        <intent-filter>
            <action android:name="com.google.android.gms.idd.InstanceID" />
        </intent-filter>
    </service>

    <activity
        android:name=".FravaersregistreringActivity"
        android:screenOrientation="portrait" />
    <activity
        android:name=".FremmoederegistreringActivity"
        android:screenOrientation="portrait"/>
</application>

为什么我收到以下错误：

FATAL EXCEPTION: main
      Process: mithfogvuc.android.svhfvuc.dk, PID: 23045
      java.lang.SecurityException: Permission Denial: starting Intent {
      act=android.intent.action.CALL dat=tel:xxxxxxxx cmp=com.android.server.telecom/.components.UserCallActivity }
      from ProcessRecord{6c1ee2e 23045:mithfogvuc.android.svhfvuc.dk/u0a251} (pid=23045, uid=10251) with revoked permission android.permission.CALL_PHONE

Answer 1

从Android 6.0（Api lvl 23）开始，操作系统允许用户从应用程序撤消权限。您需要查看Runtime Permissions

您的应用看起来需要轮询其中一个requestPermissions()方法才能获得对call_phone API的访问权限！

Answer 2

你可以这样做

             if (ContextCompat.checkSelfPermission(getActivity(),
                           android.Manifest.permission.CALL_PHONE)
                            != PackageManager.PERMISSION_GRANTED) {

                        // Should we show an explanation?
                        if   

           (ActivityCompat.shouldShowRequestPermissionRationale(getActivity(),
                               android.Manifest.permission.CALL_PHONE)) {

                            // Show an expanation to the user *asynchronously* -- don't block
                            // this thread waiting for the user's response! After the user
                            // sees the explanation, try again to request the permission.

                            Toast.makeText(getActivity(),"Its Necessary To Call",Toast.LENGTH_LONG).show();

                            ActivityCompat.requestPermissions(getActivity(),
                                    new String[]     {Manifest.permission.CALL_PHONE},
                                    MY_PERMISSIONS_REQUEST_CALL_PHONE);

                        } else {

                            // No explanation needed, we can request the     permission.

                            ActivityCompat.requestPermissions(getActivity(),
                                    new String[]   {Manifest.permission.CALL_PHONE},
                                    MY_PERMISSIONS_REQUEST_CALL_PHONE);

                            // MY_PERMISSIONS_REQUEST_READ_CONTACTS is an
                            // app-defined int constant. The callback method gets the
                            // result of the request.
                        }
                    }else{
                        Intent intent = new Intent(Intent.ACTION_CALL, Uri.parse("tel:" + number));
                        startActivity(intent);

                    }

从Android片段调用时拒绝权限。使用权限设置

2 个答案: