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+/**
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+ * ownCloud Android client application
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+ *
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+ * @author masensio
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+ * Copyright (C) 2016 ownCloud Inc.
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+ *
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+ * This program is free software: you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License version 2,
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+ * as published by the Free Software Foundation.
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+ *
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+ * This program is distributed in the hope that it will be useful,
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ * GNU General Public License for more details.
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+ *
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+ * You should have received a copy of the GNU General Public License
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+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
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+ *
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+ */
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+
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+package com.owncloud.android.ui.activity;
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+
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+import android.content.SharedPreferences;
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+import android.os.AsyncTask;
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+import android.os.Bundle;
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+import android.preference.PreferenceManager;
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+import android.support.v7.app.ActionBar;
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+import android.support.v7.app.AppCompatActivity;
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+import android.view.MenuItem;
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+import android.view.View;
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+import android.widget.Button;
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+import android.widget.TextView;
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+import android.widget.Toast;
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+
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+import com.owncloud.android.R;
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+import com.owncloud.android.lib.common.utils.Log_OC;
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+
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+import java.io.File;
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+
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+public class ManageSpaceActivity extends AppCompatActivity {
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+
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+ private static final String TAG = ManageSpaceActivity.class.getSimpleName();
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+
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+ private static final String LIB_FOLDER = "lib";
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+
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+ @Override
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+ protected void onCreate(Bundle savedInstanceState) {
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+ super.onCreate(savedInstanceState);
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+ setContentView(R.layout.activity_manage_space);
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+
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+ ActionBar actionBar = getSupportActionBar();
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+ actionBar.setDisplayHomeAsUpEnabled(true);
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+ actionBar.setTitle(R.string.manage_space_title);
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+
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+ TextView descriptionTextView = (TextView) findViewById(R.id.general_description);
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+ descriptionTextView.setText(getString(R.string.manage_space_description, getString(R.string.app_name)));
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+
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+ Button clearDataButton = (Button) findViewById(R.id.clearDataButton);
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+ clearDataButton.setOnClickListener(new View.OnClickListener() {
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+ @Override
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+ public void onClick(View v) {
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+ ClearDataAsynTask clearDataTask = new ClearDataAsynTask();
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+ clearDataTask.execute();
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+ }
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+ });
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+ }
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+
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+
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+ @Override
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+ public boolean onOptionsItemSelected(MenuItem item) {
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+ super.onOptionsItemSelected(item);
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+ switch (item.getItemId()) {
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+ case android.R.id.home:
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+ finish();
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+ return true;
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+ default:
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+ Log_OC.w(TAG, "Unknown menu item triggered");
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+ return false;
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+ }
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+ }
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+
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+ /**
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+ * AsyncTask for Clear Data, saving the passcode
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+ */
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+ private class ClearDataAsynTask extends AsyncTask<Void, Void, Boolean>{
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+
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+ @Override
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+ protected Boolean doInBackground(Void... params) {
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+
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+ boolean result = true;
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+
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+ // Save passcode from Share preferences
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+ SharedPreferences appPrefs = PreferenceManager
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+ .getDefaultSharedPreferences(getApplicationContext());
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+
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+ boolean passCodeEnable = appPrefs.getBoolean(PassCodeActivity.PREFERENCE_SET_PASSCODE, false);
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+
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+ String passCodeDigits[] = new String[4];
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+ if (passCodeEnable) {
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+ passCodeDigits[0] = appPrefs.getString(PassCodeActivity.PREFERENCE_PASSCODE_D1, null);
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+ passCodeDigits[1] = appPrefs.getString(PassCodeActivity.PREFERENCE_PASSCODE_D2, null);
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+ passCodeDigits[2] = appPrefs.getString(PassCodeActivity.PREFERENCE_PASSCODE_D3, null);
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+ passCodeDigits[3] = appPrefs.getString(PassCodeActivity.PREFERENCE_PASSCODE_D4, null);
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+ }
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+
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+ // Clear data
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+ result = clearApplicationData();
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+
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+
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+ // Clear SharedPreferences
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+ SharedPreferences.Editor appPrefsEditor = PreferenceManager
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+ .getDefaultSharedPreferences(getApplicationContext()).edit();
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+ appPrefsEditor.clear();
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+ result = result && appPrefsEditor.commit();
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+
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+ // Recover passcode
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+ if (passCodeEnable) {
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+ appPrefsEditor.putString(PassCodeActivity.PREFERENCE_PASSCODE_D1, passCodeDigits[0]);
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+ appPrefsEditor.putString(PassCodeActivity.PREFERENCE_PASSCODE_D2, passCodeDigits[1]);
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+ appPrefsEditor.putString(PassCodeActivity.PREFERENCE_PASSCODE_D3, passCodeDigits[2]);
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+ appPrefsEditor.putString(PassCodeActivity.PREFERENCE_PASSCODE_D4, passCodeDigits[3]);
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+ }
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+
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+ appPrefsEditor.putBoolean(PassCodeActivity.PREFERENCE_SET_PASSCODE, passCodeEnable);
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+ result = result && appPrefsEditor.commit();
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+
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+ return result;
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+ }
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+
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+ @Override
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+ protected void onPostExecute(Boolean result) {
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+ super.onPostExecute(result);
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+ if (!result) {
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+ Toast.makeText(getApplicationContext(),
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+ getString(R.string.manage_space_clear_data),
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+ Toast.LENGTH_LONG).show();
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+ } else {
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+ finish();
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+ System.exit(0);
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+ }
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+
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+ }
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+
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+ public boolean clearApplicationData() {
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+ boolean clearResult = true;
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+ File appDir = new File(getCacheDir().getParent());
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+ if (appDir.exists()) {
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+ String[] children = appDir.list();
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+ if (children != null) {
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+ for (String s : children) {
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+ if (!LIB_FOLDER.equals(s)) {
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+ File fileToDelete = new File(appDir, s);
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+ clearResult = clearResult && deleteDir(fileToDelete);
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+ Log_OC.d(TAG, "Clear Application Data, File: " + fileToDelete.getName() + " DELETED *****");
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+ }
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+ }
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+ } else {
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+ clearResult = false;
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+ }
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+ }
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+ return clearResult;
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+ }
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+
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+ public boolean deleteDir(File dir) {
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+ if (dir != null && dir.isDirectory()) {
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+ String[] children = dir.list();
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+ if (children != null) {
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+ for (int i = 0; i < children.length; i++) {
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+ boolean success = deleteDir(new File(dir, children[i]));
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+ if (!success) {
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+ Log_OC.w(TAG, "File NOT deleted " + children[i]);
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+ return false;
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+ } else {
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+ Log_OC.d(TAG, "File deleted " + children[i]);
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+ }
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+ }
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+ } else {
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+ return false;
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+ }
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+ }
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+
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+ return dir.delete();
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+ }
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+ }
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+}
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David A. Velasco