Settings/src/com/android/tv/settings/device/storage/ConfirmClearCacheFragment.java

/*
 * Copyright (C) 2015 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.tv.settings.device.storage;

import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.os.Bundle;
import androidx.annotation.NonNull;
import androidx.leanback.app.GuidedStepFragment;
import androidx.leanback.widget.GuidanceStylist;
import androidx.leanback.widget.GuidedAction;

import com.android.tv.settings.R;

import java.util.List;

public class ConfirmClearCacheFragment extends GuidedStepFragment {

    @NonNull
    @Override
    public GuidanceStylist.Guidance onCreateGuidance(Bundle savedInstanceState) {
        return new GuidanceStylist.Guidance(
                getString(R.string.device_storage_clear_cache_title),
                getString(R.string.device_storage_clear_cache_message),
                null,
                getContext().getDrawable(R.drawable.ic_settings_backup_restore_132dp)
        );
    }

    @Override
    public void onCreateActions(@NonNull List<GuidedAction> actions, Bundle savedInstanceState) {
        actions.add(new GuidedAction.Builder(getContext())
                .clickAction(GuidedAction.ACTION_ID_OK)
                .build());
        actions.add(new GuidedAction.Builder(getContext())
                .clickAction(GuidedAction.ACTION_ID_CANCEL)
                .build());
    }

    @Override
    public void onGuidedActionClicked(GuidedAction action) {
        if (action.getId() == GuidedAction.ACTION_ID_OK) {
            super.onGuidedActionClicked(action);
            final PackageManager pm = getContext().getPackageManager();
            final List<PackageInfo> infos = pm.getInstalledPackages(0);
            for (PackageInfo info : infos) {
                pm.deleteApplicationCacheFiles(info.packageName, null);
            }
            getFragmentManager().popBackStack();
        } else {
            getFragmentManager().popBackStack();
        }
    }
}