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Copyright (c) 2009-2011 Dropbox Inc., http://www.dropbox.com/ Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "So...
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/* * Copyright (c) 2010-11 Dropbox, Inc.// www.ja va 2s . c o m * * Permission is hereby granted, free of charge, to any person * obtaining a copy of this software and associated documentation * files (the "Software"), to deal in the Software without * restriction, including without limitation the rights to use, * copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following * conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. */ package com.dropbox.android.sample; import java.io.File; import java.text.DateFormat; import java.text.SimpleDateFormat; import java.util.Date; import android.app.Activity; import android.content.ActivityNotFoundException; import android.content.Intent; import android.content.SharedPreferences; import android.content.SharedPreferences.Editor; import android.content.pm.PackageManager; import android.net.Uri; import android.os.Bundle; import android.provider.MediaStore; import android.util.Log; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.Toast; import com.dropbox.client2.DropboxAPI; import com.dropbox.client2.android.AndroidAuthSession; import com.dropbox.client2.android.AuthActivity; import com.dropbox.client2.session.AccessTokenPair; import com.dropbox.client2.session.AppKeyPair; import com.dropbox.client2.session.Session.AccessType; import com.dropbox.client2.session.TokenPair; public class DBRoulette extends Activity { private static final String TAG = "DBRoulette"; /////////////////////////////////////////////////////////////////////////// // Your app-specific settings. // /////////////////////////////////////////////////////////////////////////// // Replace this with your app key and secret assigned by Dropbox. // Note that this is a really insecure way to do this, and you shouldn't // ship code which contains your key & secret in such an obvious way. // Obfuscation is good. final static private String APP_KEY = "CHANGE_ME"; final static private String APP_SECRET = "CHANGE_ME_SECRET"; // If you'd like to change the access type to the full Dropbox instead of // an app folder, change this value. final static private AccessType ACCESS_TYPE = AccessType.APP_FOLDER; /////////////////////////////////////////////////////////////////////////// // End app-specific settings. // /////////////////////////////////////////////////////////////////////////// // You don't need to change these, leave them alone. final static private String ACCOUNT_PREFS_NAME = "prefs"; final static private String ACCESS_KEY_NAME = "ACCESS_KEY"; final static private String ACCESS_SECRET_NAME = "ACCESS_SECRET"; DropboxAPI<AndroidAuthSession> mApi; private boolean mLoggedIn; // Android widgets private Button mSubmit; private LinearLayout mDisplay; private Button mPhoto; private Button mRoulette; private ImageView mImage; private final String PHOTO_DIR = "/Photos/"; final static private int NEW_PICTURE = 1; private String mCameraFileName; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); if (savedInstanceState != null) { mCameraFileName = savedInstanceState.getString("mCameraFileName"); } // We create a new AuthSession so that we can use the Dropbox API. AndroidAuthSession session = buildSession(); mApi = new DropboxAPI<AndroidAuthSession>(session); // Basic Android widgets setContentView(R.layout.main); checkAppKeySetup(); mSubmit = (Button)findViewById(R.id.auth_button); mSubmit.setOnClickListener(new OnClickListener() { public void onClick(View v) { // This logs you out if you're logged in, or vice versa if (mLoggedIn) { logOut(); } else { // Start the remote authentication mApi.getSession().startAuthentication(DBRoulette.this); } } }); mDisplay = (LinearLayout)findViewById(R.id.logged_in_display); // This is where a photo is displayed mImage = (ImageView)findViewById(R.id.image_view); // This is the button to take a photo mPhoto = (Button)findViewById(R.id.photo_button); mPhoto.setOnClickListener(new OnClickListener() { public void onClick(View v) { Intent intent = new Intent(); // Picture from camera intent.setAction(MediaStore.ACTION_IMAGE_CAPTURE); // This is not the right way to do this, but for some reason, having // it store it in // MediaStore.Images.Media.EXTERNAL_CONTENT_URI isn't working right. Date date = new Date(); DateFormat df = new SimpleDateFormat("yyyy-MM-dd-kk-mm-ss"); String newPicFile = df.format(date) + ".jpg"; String outPath = "/sdcard/" + newPicFile; File outFile = new File(outPath); mCameraFileName = outFile.toString(); Uri outuri = Uri.fromFile(outFile); intent.putExtra(MediaStore.EXTRA_OUTPUT, outuri); Log.i(TAG, "Importing New Picture: " + mCameraFileName); try { startActivityForResult(intent, NEW_PICTURE); } catch (ActivityNotFoundException e) { showToast("There doesn't seem to be a camera."); } } }); // This is the button to take a photo mRoulette = (Button)findViewById(R.id.roulette_button); mRoulette.setOnClickListener(new OnClickListener() { public void onClick(View v) { DownloadRandomPicture download = new DownloadRandomPicture(DBRoulette.this, mApi, PHOTO_DIR, mImage); download.execute(); } }); // Display the proper UI state if logged in or not setLoggedIn(mApi.getSession().isLinked()); } @Override protected void onSaveInstanceState(Bundle outState) { outState.putString("mCameraFileName", mCameraFileName); super.onSaveInstanceState(outState); } @Override protected void onResume() { super.onResume(); AndroidAuthSession session = mApi.getSession(); // The next part must be inserted in the onResume() method of the // activity from which session.startAuthentication() was called, so // that Dropbox authentication completes properly. if (session.authenticationSuccessful()) { try { // Mandatory call to complete the auth session.finishAuthentication(); // Store it locally in our app for later use TokenPair tokens = session.getAccessTokenPair(); storeKeys(tokens.key, tokens.secret); setLoggedIn(true); } catch (IllegalStateException e) { showToast("Couldn't authenticate with Dropbox:" + e.getLocalizedMessage()); Log.i(TAG, "Error authenticating", e); } } } // This is what gets called on finishing a media piece to import @Override public void onActivityResult(int requestCode, int resultCode, Intent data) { if (requestCode == NEW_PICTURE) { // return from file upload if (resultCode == Activity.RESULT_OK) { Uri uri = null; if (data != null) { uri = data.getData(); } if (uri == null && mCameraFileName != null) { uri = Uri.fromFile(new File(mCameraFileName)); } File file = new File(mCameraFileName); if (uri != null) { UploadPicture upload = new UploadPicture(this, mApi, PHOTO_DIR, file); upload.execute(); } } else { Log.w(TAG, "Unknown Activity Result from mediaImport: " + resultCode); } } } private void logOut() { // Remove credentials from the session mApi.getSession().unlink(); // Clear our stored keys clearKeys(); // Change UI state to display logged out version setLoggedIn(false); } /** * Convenience function to change UI state based on being logged in */ private void setLoggedIn(boolean loggedIn) { mLoggedIn = loggedIn; if (loggedIn) { mSubmit.setText("Unlink from Dropbox"); mDisplay.setVisibility(View.VISIBLE); } else { mSubmit.setText("Link with Dropbox"); mDisplay.setVisibility(View.GONE); mImage.setImageDrawable(null); } } private void checkAppKeySetup() { // Check to make sure that we have a valid app key if (APP_KEY.startsWith("CHANGE") || APP_SECRET.startsWith("CHANGE")) { showToast("You must apply for an app key and secret from developers.dropbox.com, and add them to the DBRoulette ap before trying it."); finish(); return; } // Check if the app has set up its manifest properly. Intent testIntent = new Intent(Intent.ACTION_VIEW); String scheme = "db-" + APP_KEY; String uri = scheme + "://" + AuthActivity.AUTH_VERSION + "/test"; testIntent.setData(Uri.parse(uri)); PackageManager pm = getPackageManager(); if (0 == pm.queryIntentActivities(testIntent, 0).size()) { showToast("URL scheme in your app's " + "manifest is not set up correctly. You should have a " + "com.dropbox.client2.android.AuthActivity with the " + "scheme: " + scheme); finish(); } } private void showToast(String msg) { Toast error = Toast.makeText(this, msg, Toast.LENGTH_LONG); error.show(); } /** * Shows keeping the access keys returned from Trusted Authenticator in a local * store, rather than storing user name & password, and re-authenticating each * time (which is not to be done, ever). * * @return Array of [access_key, access_secret], or null if none stored */ private String[] getKeys() { SharedPreferences prefs = getSharedPreferences(ACCOUNT_PREFS_NAME, 0); String key = prefs.getString(ACCESS_KEY_NAME, null); String secret = prefs.getString(ACCESS_SECRET_NAME, null); if (key != null && secret != null) { String[] ret = new String[2]; ret[0] = key; ret[1] = secret; return ret; } else { return null; } } /** * Shows keeping the access keys returned from Trusted Authenticator in a local * store, rather than storing user name & password, and re-authenticating each * time (which is not to be done, ever). */ private void storeKeys(String key, String secret) { // Save the access key for later SharedPreferences prefs = getSharedPreferences(ACCOUNT_PREFS_NAME, 0); Editor edit = prefs.edit(); edit.putString(ACCESS_KEY_NAME, key); edit.putString(ACCESS_SECRET_NAME, secret); edit.commit(); } private void clearKeys() { SharedPreferences prefs = getSharedPreferences(ACCOUNT_PREFS_NAME, 0); Editor edit = prefs.edit(); edit.clear(); edit.commit(); } private AndroidAuthSession buildSession() { AppKeyPair appKeyPair = new AppKeyPair(APP_KEY, APP_SECRET); AndroidAuthSession session; String[] stored = getKeys(); if (stored != null) { AccessTokenPair accessToken = new AccessTokenPair(stored[0], stored[1]); session = new AndroidAuthSession(appKeyPair, ACCESS_TYPE, accessToken); } else { session = new AndroidAuthSession(appKeyPair, ACCESS_TYPE); } return session; } }