I am using twitter4J to post tweet on twitter<\/p>\n
Here i Change the Code according to your suggestion . i do some google search. The problem is When i try to shift from main activity to twitter activity it show force close. Main activity is = “MainActivity” twitter activity is = “twiti_backup” I think there is problem in Manifestfile but i dont know what was it.<\/p>\n
public class twiti_backup extends Activity {\n\nprivate static final String TAG = \"Blundell.TweetToTwitterActivity\";\n\n\nprivate static final String PREF_ACCESS_TOKEN = \"\";\n\nprivate static final String PREF_ACCESS_TOKEN_SECRET = \"\";\n\nprivate static final String CONSUMER_KEY = \"\";\n\nprivate static final String CONSUMER_SECRET = \"\"; \nprivate static final String CALLBACK_URL = \"android:\/\/\/\";\n\nprivate SharedPreferences mPrefs;\n\nprivate Twitter mTwitter;\n\nprivate RequestToken mReqToken;\n\nprivate Button mLoginButton;\nprivate Button mTweetButton;\n\n\n@Override\npublic void onCreate(Bundle savedInstanceState) {\n super.onCreate(savedInstanceState);\n Log.i(TAG, \"Loading TweetToTwitterActivity\");\n setContentView(R.layout.twite);\n\n\n mPrefs = getSharedPreferences(\"twitterPrefs\", MODE_PRIVATE);\n\n mTwitter = new TwitterFactory().getInstance();\n\n mTwitter.setOAuthConsumer(CONSUMER_KEY, CONSUMER_SECRET);\n\n\n mLoginButton = (Button) findViewById(R.id.login_button);\n mTweetButton = (Button) findViewById(R.id.tweet_button);\n}\n\n\npublic void buttonLogin(View v) {\n Log.i(TAG, \"Login Pressed\");\n if (mPrefs.contains(PREF_ACCESS_TOKEN)) {\n Log.i(TAG, \"Repeat User\");\n loginAuthorisedUser();\n } else {\n Log.i(TAG, \"New User\");\n loginNewUser();\n }\n}\n\n\npublic void buttonTweet(View v) {\n Log.i(TAG, \"Tweet Pressed\");\n tweetMessage();\n}\n\n\nprivate void loginNewUser() {\n try {\n Log.i(TAG, \"Request App Authentication\");\n mReqToken = mTwitter.getOAuthRequestToken(CALLBACK_URL);\n\n Log.i(TAG, \"Starting Webview to login to twitter\");\n WebView twitterSite = new WebView(this);\n twitterSite.loadUrl(mReqToken.getAuthenticationURL());\n setContentView(twitterSite);\n\n } catch (TwitterException e) {\n Toast.makeText(this, \"Twitter Login error, try again later\", Toast.LENGTH_SHORT).show();\n }\n}\n\n\nprivate void loginAuthorisedUser() {\n String token = mPrefs.getString(PREF_ACCESS_TOKEN, null);\n String secret = mPrefs.getString(PREF_ACCESS_TOKEN_SECRET, null);\n\n \/\/ Create the twitter access token from the credentials we got previously\n AccessToken at = new AccessToken(token, secret);\n\n mTwitter.setOAuthAccessToken(at);\n\n Toast.makeText(this, \"Welcome back\", Toast.LENGTH_SHORT).show();\n\n enableTweetButton();\n}\n\n@Override\nprotected void onNewIntent(Intent intent) {\n super.onNewIntent(intent);\n Log.i(TAG, \"New Intent Arrived\");\n dealWithTwitterResponse(intent);\n}\n\n@Override\nprotected void onResume() {\n super.onResume();\n Log.i(TAG, \"Arrived at onResume\");\n}\n\n\nprivate void dealWithTwitterResponse(Intent intent) {\n Uri uri = intent.getData();\n if (uri != null && uri.toString().startsWith(CALLBACK_URL)) { \/\/ If the user has just logged in\n String oauthVerifier = uri.getQueryParameter(\"oauth_verifier\");\n\n authoriseNewUser(oauthVerifier);\n }\n}\n\n\nprivate void authoriseNewUser(String oauthVerifier) {\n try {\n AccessToken at = mTwitter.getOAuthAccessToken(mReqToken, oauthVerifier);\n mTwitter.setOAuthAccessToken(at);\n\n saveAccessToken(at);\n\n \/\/ Set the content view back after we changed to a webview\n setContentView(R.layout.twite);\n\n enableTweetButton();\n } catch (TwitterException e) {\n Toast.makeText(this, \"Twitter auth error x01, try again later\", Toast.LENGTH_SHORT).show();\n }\n}\n\n\nprivate void enableTweetButton() {\n Log.i(TAG, \"User logged in - allowing to tweet\");\n mLoginButton.setEnabled(false);\n mTweetButton.setEnabled(true);\n}\n\n\nprivate void tweetMessage() {\n try {\n mTwitter.updateStatus(\"Test - Tweeting with @Blundell_apps #AndroidDev Tutorial using #Twitter4j http:\/\/blog.blundell-apps.com\/sending-a-tweet\/\");\n\n Toast.makeText(this, \"Tweet Successful!\", Toast.LENGTH_SHORT).show();\n } catch (TwitterException e) {\n Toast.makeText(this, \"Tweet error, try again later\", Toast.LENGTH_SHORT).show();\n }\n}\n\nprivate void saveAccessToken(AccessToken at) {\n String token = at.getToken();\n String secret = at.getTokenSecret();\n Editor editor = mPrefs.edit();\n editor.putString(PREF_ACCESS_TOKEN, token);\n editor.putString(PREF_ACCESS_TOKEN_SECRET, secret);\n editor.commit();\n}\n<\/code><\/pre>\n}<\/p>\n
And here is Manifest<\/p>\n
\n \n \n \n \n \n \n \n \n \n \n \n \n \n\n<\/code><\/pre>\nHere is Log cat when i try to launch twiti_backup from main activity<\/p>\n
W\/dalvikvm(16357): threadid=1: thread exiting with uncaught exception (group=0x4001d5a0) \nE\/AndroidRuntime(16357): FATAL EXCEPTION: main E\/AndroidRuntime(16357): java.lang.VerifyError: com.example.uitest.twiti_backup\nE\/AndroidRuntime(16357): at java.lang.Class.newInstanceImpl(Native Method)\nE\/AndroidRuntime(16357): at java.lang.Class.newInstance(Class.java:1409)\nE\/AndroidRuntime(16357): at android.app.Instrumentation.newActivity(Instrumentation.java:1040)\nE\/AndroidRuntime(16357): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1735)\nE\/AndroidRuntime(16357): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1842)\nE\/AndroidRuntime(16357): at android.app.ActivityThread.access$1500(ActivityThread.java:132)\nE\/AndroidRuntime(16357): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1038)\nE\/AndroidRuntime(16357): at android.os.Handler.dispatchMessage(Handler.java:99)\nE\/AndroidRuntime(16357): at android.os.Looper.loop(Looper.java:143)\nE\/AndroidRuntime(16357): at android.app.ActivityThread.main(ActivityThread.java:4263)\nE\/AndroidRuntime(16357): at java.lang.reflect.Method.invokeNative(Native Method)\nE\/AndroidRuntime(16357): at java.lang.reflect.Method.invoke(Method.java:507)\nE\/AndroidRuntime(16357): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)\nE\/AndroidRuntime(16357): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)\nE\/AndroidRuntime(16357): at dalvik.system.NativeStart.main(Native Method)\n<\/code><\/pre>\n\n- \n
Add below two line code into your main activity’s onCreate method after setcontentview() line, it will solve your problem.<\/p>\n
if (android.os.Build.VERSION.SDK_INT > 9) {\n StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();\n StrictMode.setThreadPolicy(policy);\n}\n<\/code><\/pre>\n<\/li>\n- \n
First<\/b>, your CALLBACKURL = \"T4J_OAuth:\/\/callback_main\"<\/code> is wrong when compare with your manifest<\/code>, it should be:CALLBACKURL = \"T4J_OAuth:\/\/\/\"<\/code><\/p>\nSecond<\/b>: android:launchMode=\"singleTop\"<\/code> should be android:launchMode=\"singleInstance\"<\/code><\/p>\nMaybe there are some more bugs, but you should fix it yourseft!<\/p>\n
Edited:<\/b> You should declare Provider<\/code> and Consumer<\/code>:<\/p>\nconsumer = new CommonsHttpOAuthConsumer(CONSUMER_KEY, CONSUMER_SECRETE);\nprovider = new DefaultOAuthProvider(\n \"http:\/\/twitter.com\/oauth\/request_token\",\n \"http:\/\/twitter.com\/oauth\/access_token\",\n \"http:\/\/twitter.com\/oauth\/authorize\");\nprovider.retrieveRequestToken(consumer, CALL_BACK);\nstartActivity(new Intent(Intent.ACTION_VIEW, Uri\n .parse(result)));\n<\/code><\/pre>\nAlso, you should create some AsyncTask<\/code> to call those statments: rovider.retrieveRequestToken(consumer, CALL_BACK);<\/code> and provider.retrieveAccessToken(consumer, verifier);<\/code><\/p>\nEdited<\/b> Look at this tutorial, just change the CallBack_Url = \"...\"<\/code> to CallBack_URL = \"callback:\/\/\/\"<\/code> and using below code to create Twitter<\/code> object:<\/p>\nConfigurationBuilder cb = new ConfigurationBuilder();\ncb.setDebugEnabled(true).setOAuthConsumerKey(CONSUMER_KEY)\n.setOAuthConsumerSecret(CONSUMER_SECRETE)\n\/\/ accessTokenKey and accessTokenSecrete are what you get after redirecting\n\/\/ back from your oauthentication\n.setOAuthAccessToken(accessTokenKey)\n.setOAuthAccessTokenSecret(accessTokenSecrete)\n.setMediaProviderAPIKey(TWITPIC_API_KEY);\nConfiguration config = cb.build();\nTwitterFactory tf = new TwitterFactory(config);\nTwitter twitter = tf.getInstance();\n<\/code><\/pre>\nNotice:<\/b> Don’t let the call back url<\/code> property in your twitter app<\/code> null, put any dummy link into it! (App of your twitter account!! not your android app!) Sorry if there’s any type error!<\/p>\nEdit<\/b> You got an Verifier<\/code> error because of your verifier is wrong! I used signpost<\/code> lib to get verifier<\/code>: String verifier = data .getQueryParameter(oauth.signpost.OAuth.OAUTH_VERIFIER);<\/code> I think you should try to use signpost<\/code> lib!<\/p>\n<\/li>\n<\/ol>\nOriginally posted 2013-11-16 20:53:07. <\/small><\/p>","protected":false},"excerpt":{"rendered":"
I am using twitter4J to post tweet on twitter Here i Change the Code according to your suggestion . i do some google search. The problem is When i try to shift from main activity to twitter activity it show force close. Main activity is = “MainActivity” twitter activity is = “twiti_backup” I think there […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1437","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/1437","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/comments?post=1437"}],"version-history":[{"count":0,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/1437\/revisions"}],"wp:attachment":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/media?parent=1437"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/categories?post=1437"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/tags?post=1437"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}