com.pranavpandey.smallapp.permission.PermissionSelectExternalStorage.java Source code

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Here is the source code for com.pranavpandey.smallapp.permission.PermissionSelectExternalStorage.java

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/*
 * Copyright (C) 2016 Pranav Pandey
 *
 * 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.pranavpandey.smallapp.permission;

import android.annotation.TargetApi;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.support.v4.content.ContextCompat;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;

import com.pranavpandey.smallapp.R;
import com.pranavpandey.smallapp.SmallUtils;
import com.pranavpandey.smallapp.theme.DynamicTheme;

@TargetApi(23)
public class PermissionSelectExternalStorage extends PermissionBase {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        buildPermissionsDialog();
    }

    @TargetApi(Build.VERSION_CODES.LOLLIPOP)
    @Override
    public final void onActivityResult(final int requestCode, final int resultCode, final Intent resultData) {
        if (requestCode == REQUEST_CODE_STORAGE_ACCESS) {
            Uri treeUri = null;
            if (resultCode == Activity.RESULT_OK) {
                // Get Uri from Storage Access Framework.
                treeUri = resultData.getData();

                // Persist URI in shared preference so that you can use it later.
                // Use your own framework here instead of PreferenceUtil.
                SmallUtils.savePrefs(this, PREF_EXTERNAL_STORAGE_URI, treeUri.toString());
                Toast.makeText(this, treeUri.toString(), Toast.LENGTH_LONG).show();

                // Persist access permissions.
                final int takeFlags = resultData.getFlags()
                        & (Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
                getContentResolver().takePersistableUriPermission(treeUri, takeFlags);
            }
        }
        finish();
    }

    private void buildPermissionsDialog() {
        AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(this);
        View view = getLayoutInflater().inflate(R.layout.sas_dialog_permission, new LinearLayout(this), false);
        ViewGroup frame = (ViewGroup) view.findViewById(R.id.permission_frame);

        String label = getApplicationInfo().loadLabel(getPackageManager()).toString();
        ((TextView) view.findViewById(R.id.permission_message))
                .setText(String.format(getString(R.string.sas_format_next_line),
                        getString(R.string.sas_select_external_storage_request_desc),
                        String.format(getString(R.string.sas_select_external_storage_request_info), label)));

        frame.addView(new PermissionItem(this, ContextCompat.getDrawable(this, R.drawable.sas_ic_select_storage),
                getString(R.string.sas_select_external_storage),
                getString(R.string.sas_select_external_storage_desc)));

        try {
            alertDialogBuilder.setIcon(
                    DynamicTheme.createDialogIcon(this, getPackageManager().getApplicationIcon(getPackageName())));
        } catch (Exception e) {
            e.printStackTrace();
        }
        alertDialogBuilder.setTitle(label)
                .setPositiveButton(R.string.sas_perm_continue, new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int id) {
                        triggerStorageAccessFramework();
                    }
                }).setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int id) {
                        finish();
                    }
                }).setCancelable(false);

        final AlertDialog dialog = alertDialogBuilder.create();
        dialog.setView(view, 0, SmallUtils.getDialogTopPadding(this), 0, 0);

        showPermissionDialog(dialog);
    }
}