com.kaliturin.blacklist.utils.DefaultSMSAppHelper.java Source code

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Here is the source code for com.kaliturin.blacklist.utils.DefaultSMSAppHelper.java

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/*
 * Copyright (C) 2017 Anton Kaliturin <kaliturin@gmail.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package com.kaliturin.blacklist.utils;

import android.annotation.TargetApi;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.os.Build;
import android.provider.Telephony;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;

import com.kaliturin.blacklist.receivers.SMSBroadcastReceiver;

/**
 * Utilities class for check/set app as a default SMS app.
 * Is needed since API19, where only default SMS app can stop SMS from receiving.
 */
public class DefaultSMSAppHelper {

    public static boolean isAvailable() {
        return Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
    }

    public static void updateState(Context context) {
        boolean ready = isDefault(context);
        enableSMSReceiving(context, ready);
    }

    public static void enableSMSReceiving(Context context, boolean enable) {
        int state = (enable ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED
                : PackageManager.COMPONENT_ENABLED_STATE_DISABLED);
        PackageManager packageManager = context.getPackageManager();
        ComponentName componentName = new ComponentName(context, SMSBroadcastReceiver.class);
        packageManager.setComponentEnabledSetting(componentName, state, PackageManager.DONT_KILL_APP);
    }

    @TargetApi(19)
    public static boolean isDefault(Context context) {
        if (!isAvailable())
            return true;
        String myPackage = context.getPackageName();
        String smsPackage = Telephony.Sms.getDefaultSmsPackage(context);
        return (smsPackage != null && smsPackage.equals(myPackage));
    }

    @TargetApi(19)
    public static void askForDefaultAppChange(Fragment fragment, int requestCode) {
        if (!isAvailable())
            return;
        Context context = fragment.getContext().getApplicationContext();
        String packageName;
        // current app package is already set as default
        if (isDefault(context)) {
            // get previously saved app package as default
            packageName = Settings.getStringValue(context, Settings.DEFAULT_SMS_APP_NATIVE_PACKAGE);
        } else {
            // get blacklist app package as default
            packageName = context.getPackageName();
            // save current default sms app package to the settings
            String nativePackage = Telephony.Sms.getDefaultSmsPackage(context);
            if (nativePackage != null) {
                Settings.setStringValue(context, Settings.DEFAULT_SMS_APP_NATIVE_PACKAGE, nativePackage);
            }
        }
        // start sms app change dialog
        askForDefaultAppChange(fragment, packageName, requestCode);
    }

    @TargetApi(19)
    private static void askForDefaultAppChange(Fragment fragment, @Nullable String packageName, int requestCode) {
        if (!isAvailable())
            return;
        Intent intent;
        if (packageName == null) {
            String action;
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
                action = android.provider.Settings.ACTION_MANAGE_DEFAULT_APPS_SETTINGS;
            } else {
                action = android.provider.Settings.ACTION_WIRELESS_SETTINGS;
            }
            intent = new Intent(action);
        } else {
            intent = new Intent(Telephony.Sms.Intents.ACTION_CHANGE_DEFAULT);
            intent.putExtra(Telephony.Sms.Intents.EXTRA_PACKAGE_NAME, packageName);
        }
        fragment.startActivityForResult(intent, requestCode);
    }
}