Android中，集成第三方的Twitter登陆以及分享的Demo。

package com.whr.demo.mytwitter.mytwitter; import android.content.Intent; import android.net.Uri; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.util.Log; import android.view.View; import android.widget.Button; import android.widget.TextView; import com.twitter.sdk.android.core.Callback; import com.twitter.sdk.android.core.Result; import com.twitter.sdk.android.core.TwitterAuthConfig; import com.twitter.sdk.android.core.TwitterCore; import com.twitter.sdk.android.core.TwitterException; import com.twitter.sdk.android.core.TwitterSession; import com.twitter.sdk.android.core.identity.TwitterLoginButton; import com.twitter.sdk.android.core.models.User; import com.twitter.sdk.android.tweetcomposer.TweetComposer; import java.net.MalformedURLException; import java.net.URL; import retrofit2.Call; public class MainActivity extends AppCompatActivity implements View.OnClickListener { Button btnShareByTwitter, btnLogin; TwitterLoginButton twitterLoginButton; private final int TWEET_COMPOSER_REQUEST_CODE = 1; TwitterLoginUtils twitterLoginUtils; Uri uri; private TextView tvShowUserMessage; private String TAG = "--->whr"; private boolean isMySelfButton; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); initView(); } private void initView() { tvShowUserMessage = findViewById(R.id.tv_user_message); btnShareByTwitter = findViewById(R.id.btn_share_twitter); btnShareByTwitter.setOnClickListener(this); btnLogin = findViewById(R.id.btn_login); btnLogin.setOnClickListener(this); //官方按钮登陆 twitterLoginButton = findViewById(R.id.btn_login_by_twitter); loginByTwitterButton(); } @Override public void onClick(View view) { switch (view.getId()) { case R.id.btn_share_twitter: shareToTwitter(); break; case R.id.btn_login: loginByMyButton(); break; default: break; } } /** * 官方按钮登陆Twitter */ private void loginByTwitterButton() { Log.e(TAG, "第一步"); twitterLoginButton.setCallback(new Callback<TwitterSession>() { @Override public void success(Result<TwitterSession> result) { isMySelfButton = false; Log.e(TAG, "第二步"); TwitterSession session = result.data; final String userName = session.getUserName(); Call<User> user = TwitterCore.getInstance().getApiClient().getAccountService().verifyCredentials(false, true, false); user.enqueue(new Callback<User>() { @Override public void success(Result<User> result) { Log.e(TAG, "第3步"); User userInfo = result.data; String email = userInfo.email; String description = userInfo.description; Log.e(TAG, "------------" + userInfo.profileImageUrl); StringBuilder sb = new StringBuilder(); sb.append("User Name: " + userName); sb.append("\n"); sb.append("Email: " + email); sb.append("\n"); sb.append("Description: " + description); sb.append("\n"); tvShowUserMessage.setText(sb.toString()); Log.e(TAG, "sb.toString():" + sb.toString()); } @Override public void failure(TwitterException exception) { Log.e(TAG, "第4步"); } }); } @Override public void failure(TwitterException exception) { Log.e(TAG, "第5步"); Log.e("TwitterKit", "Login with Twitter failure", exception); Log.e("BLA: ", exception.getMessage()); } }); } /** * 自定义按钮登陆Twitter */ private void loginByMyButton() { isMySelfButton = true; twitterLoginUtils = new TwitterLoginUtils(this); twitterLoginUtils.setOnLoginByTwitterClick(new Callback<TwitterSession>() { @Override public void success(Result<TwitterSession> result) { Log.e(TAG, "第二步"); TwitterSession session = result.data; final String userName = session.getUserName(); Call<User> user = TwitterCore.getInstance().getApiClient().getAccountService().verifyCredentials(false, true, false); user.enqueue(new Callback<User>() { @Override public void success(Result<User> result) { Log.e(TAG, "第3步"); User userInfo = result.data; String email = userInfo.email; String description = userInfo.description; Log.e(TAG, "------------ " + userInfo.profileImageUrl); StringBuilder sb = new StringBuilder(); sb.append("User Name: " + userName); sb.append("\n"); sb.append("Email: " + email); sb.append("\n"); sb.append("Description: " + description); sb.append("\n"); tvShowUserMessage.setText(sb.toString()); Log.e(TAG, "sb.toString():" + sb.toString()); } @Override public void failure(TwitterException exception) { Log.e(TAG, "第4步"); } }); } @Override public void failure(TwitterException exception) { } }); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); if (requestCode == TwitterAuthConfig.DEFAULT_AUTH_REQUEST_CODE) { Log.e(TAG, "第6步"); if (isMySelfButton) { twitterLoginUtils.onActivityResult(requestCode, resultCode, data); } else { twitterLoginButton.onActivityResult(requestCode, resultCode, data); } } } /******************************以下为推特分享********************************/ /** * 分享到Twitter * 若未安装twitter客户端，则会跳转到浏览器 * * @throws MalformedURLException */ private void shareToTwitter() { uri = resourceIdToUri(R.mipmap.bg); Log.e("--->whr", "--->Uri:" + uri); Intent intent = null; try { intent = new TweetComposer.Builder(this) .text("百度链接:") .url(new URL("https://www.baidu.com/")) .image(uri) .createIntent(); } catch (MalformedURLException e) { e.printStackTrace(); } startActivityForResult(intent, TWEET_COMPOSER_REQUEST_CODE); } public static final String ANDROID_RESOURCE = "android.resource://"; public static final String FOREWARD_SLASH = "/"; private Uri resourceIdToUri(int resourceId) { return Uri.parse(ANDROID_RESOURCE + getPackageName() + FOREWARD_SLASH + resourceId); } /******************************以上为推特分享********************************/ }