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/*
* 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 foo.bar.permission;
import android.Manifest;
import android.app.Activity;
import android.app.LoaderManager;
import android.content.CursorLoader;
import android.content.Loader;
import android.content.pm.PackageManager;
import android.database.Cursor;
import android.os.Bundle;
import android.provider.CalendarContract;
import android.provider.ContactsContract;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.CursorAdapter;
import android.widget.ListView;
import android.widget.SimpleCursorAdapter;
import android.widget.Toast;
import java.util.ArrayList;
import java.util.List;
/**
* Simple sample of how to use the runtime permissions APIs.
*/
public class PermissionActivity extends Activity implements LoaderManager.LoaderCallbacks<Cursor> {
public static final String LOG_TAG = "PermissionActivity";
private static final int CONTACTS_LOADER = 1;
private static final int EVENTS_LOADER = 2;
private static final int PERMISSIONS_REQUEST_READ_CONTACTS = 1;
private static final int PERMISSIONS_REQUEST_READ_CALENDAR = 2;
private static final int PERMISSIONS_REQUEST_ALL_PERMISSIONS = 3;
private final static String[] CONTACTS_COLUMNS = {
ContactsContract.Contacts.DISPLAY_NAME_PRIMARY
};
private final static String[] CALENDAR_COLUMNS = {
CalendarContract.Events.TITLE
};
private static final String[] CONTACTS_PROJECTION = {
ContactsContract.Contacts._ID,
ContactsContract.Contacts.DISPLAY_NAME_PRIMARY
};
private static final String[] EVENTS_PROJECTION = {
CalendarContract.Events._ID,
CalendarContract.Events.TITLE
};
private final static int[] TO_IDS = {
android.R.id.text1
};
private ListView mListView;
private CursorAdapter mContactsAdapter;
private CursorAdapter mEventsAdapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
bindUi();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.actions, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.show_contacts: {
showContacts();
return true;
}
case R.id.show_events: {
showEvents();
return true;
}
case R.id.request_all_perms: {
requestPermissions();
return true;
}
}
return false;
}
@Override
public Loader<Cursor> onCreateLoader(int loaderId, Bundle args) {
switch (loaderId) {
case CONTACTS_LOADER: {
return new CursorLoader(this,
ContactsContract.Contacts.CONTENT_URI,
CONTACTS_PROJECTION, null, null, null);
}
case EVENTS_LOADER: {
return new CursorLoader(this,
CalendarContract.Events.CONTENT_URI,
EVENTS_PROJECTION, null, null, null);
}
default: {
return null;
}
}
}
@Override
public void onLoadFinished(Loader<Cursor> loader, Cursor cursor) {
switch (loader.getId()) {
case CONTACTS_LOADER: {
mContactsAdapter.swapCursor(cursor);
} break;
case EVENTS_LOADER: {
mEventsAdapter.swapCursor(cursor);
} break;
}
}
@Override
public void onLoaderReset(Loader<Cursor> loader) {
switch (loader.getId()) {
case CONTACTS_LOADER: {
mContactsAdapter.swapCursor(null);
} break;
case EVENTS_LOADER: {
mEventsAdapter.swapCursor(null);
} break;
}
}
@Override
public void onBackPressed() {
requestPermissions();
}
@Override
public void onRequestPermissionsResult(int requestCode, String permissions[],
int[] grantResults) {
switch (requestCode) {
case PERMISSIONS_REQUEST_READ_CONTACTS: {
if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
showContacts();
}
} break;
case PERMISSIONS_REQUEST_READ_CALENDAR: {
if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
showEvents();
}
} break;
case PERMISSIONS_REQUEST_ALL_PERMISSIONS: {
for (int i = 0; i < permissions.length; i++) {
if (grantResults[i] == PackageManager.PERMISSION_GRANTED) {
switch (permissions[i]) {
case Manifest.permission.READ_CALENDAR: {
Toast.makeText(this, "Granted Calendar!",
Toast.LENGTH_SHORT).show();
} break;
case Manifest.permission.READ_CONTACTS: {
showContacts();
} break;
}
}
}
} break;
}
}
private void bindUi() {
setContentView(R.layout.permission_activity);
mListView = (ListView) findViewById(R.id.list);
View emptyView = findViewById(R.id.empty_state);
mListView.setEmptyView(emptyView);
mContactsAdapter = new SimpleCursorAdapter(this,
android.R.layout.simple_list_item_1,
null, CONTACTS_COLUMNS, TO_IDS, 0);
mEventsAdapter = new SimpleCursorAdapter(this,
android.R.layout.simple_list_item_1,
null, CALENDAR_COLUMNS, TO_IDS, 0);
}
private void showContacts() {
if (checkSelfPermission(Manifest.permission.READ_CONTACTS)
!= PackageManager.PERMISSION_GRANTED) {
requestPermissions(new String[] {Manifest.permission.READ_CONTACTS},
PERMISSIONS_REQUEST_READ_CONTACTS);
return;
}
if (getLoaderManager().getLoader(CONTACTS_LOADER) == null) {
getLoaderManager().initLoader(CONTACTS_LOADER, null, this);
}
mListView.setAdapter(mContactsAdapter);
}
private void showEvents() {
if (checkSelfPermission(Manifest.permission.READ_CALENDAR)
!= PackageManager.PERMISSION_GRANTED) {
requestPermissions(new String[]{Manifest.permission.READ_CALENDAR},
PERMISSIONS_REQUEST_READ_CALENDAR);
return;
}
if (getLoaderManager().getLoader(EVENTS_LOADER) == null) {
getLoaderManager().initLoader(EVENTS_LOADER, null, this);
}
mListView.setAdapter(mEventsAdapter);
}
private void requestPermissions() {
List<String> permissions = new ArrayList<>();
if (checkSelfPermission(Manifest.permission.READ_CALENDAR)
!= PackageManager.PERMISSION_GRANTED) {
permissions.add(Manifest.permission.READ_CALENDAR);
}
if (checkSelfPermission(Manifest.permission.READ_CONTACTS)
!= PackageManager.PERMISSION_GRANTED) {
permissions.add(Manifest.permission.READ_CONTACTS);
}
if (!permissions.isEmpty()) {
requestPermissions(permissions.toArray(new String[0]),
PERMISSIONS_REQUEST_ALL_PERMISSIONS);
}
}
}
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