src/com/android/wallpaper/util/ActivityUtils.java

/*
 * Copyright (C) 2017 The Android Open Source Project
 *
 * 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.android.wallpaper.util;

import android.app.Activity;
import android.content.ActivityNotFoundException;
import android.content.Intent;
import android.util.Log;
import android.widget.Toast;

import com.android.wallpaper.R;

/**
 * Various utilities pertaining to activities.
 */
public final class ActivityUtils {

    /**
     * Starts an activity with the given intent "safely" - i.e., catches exceptions that may occur
     * and displays a toast to the user in response to such issues.
     *
     * @param activity
     * @param intent
     * @param requestCode
     */
    public static void startActivityForResultSafely(
            Activity activity, Intent intent, int requestCode) {
        try {
            activity.startActivityForResult(intent, requestCode);
        } catch (ActivityNotFoundException e) {
            Toast.makeText(activity, R.string.app_not_found, Toast.LENGTH_SHORT).show();
        } catch (SecurityException e) {
            Toast.makeText(activity, R.string.app_not_found, Toast.LENGTH_SHORT).show();
            Log.e("Wallpaper", "Wallpaper does not have the permission to launch " + intent
                    + ". Make sure to create a MAIN intent-filter for the corresponding activity "
                    + "or use the exported attribute for this activity.", e);
        }
    }
}