使用 twitter 按钮创建登录并附加回调
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在布局中,添加一个带有以下代码的 Login 按钮:
<com.twitter.sdk.android.core.identity.TwitterLoginButton android:id="@+id/twitter_login_button" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerInParent="true"/>
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在显示按钮的 Activity 或 Fragment 中,你需要创建 Callback 并将其附加到 Login 按钮,如下所示:
import com.twitter.sdk.android.core.Callback; import com.twitter.sdk.android.core.Result; import com.twitter.sdk.android.core.TwitterException; import com.twitter.sdk.android.core.TwitterSession; import com.twitter.sdk.android.core.identity.TwitterLoginButton; ... loginButton = (TwitterLoginButton) findViewById(R.id.login_button); loginButton.setCallback(new Callback<TwitterSession>() { @Override public void success(Result<TwitterSession> result) { Log.d(TAG, "userName: " + session.getUserName()); Log.d(TAG, "userId: " + session.getUserId()); Log.d(TAG, "authToken: " + session.getAuthToken()); Log.d(TAG, "id: " + session.getId()); Log.d(TAG, "authToken: " + session.getAuthToken().token); Log.d(TAG, "authSecret: " + session.getAuthToken().secret); } @Override public void failure(TwitterException exception) { // Do something on failure } });
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将身份验证活动的结果传递回按钮:
@Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); // Make sure that the loginButton hears the result from any // Activity that it triggered. loginButton.onActivityResult(requestCode, resultCode, data); }
**注意,**如果在片段中使用 TwitterLoginButton,请使用以下步骤:
@Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); // Pass the activity result to the fragment, which will then pass the result to the login // button. Fragment fragment = getFragmentManager().findFragmentById(R.id.your_fragment_id); if (fragment != null) { fragment.onActivityResult(requestCode, resultCode, data); } }
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将以下行添加到 build.gradle 依赖项:
apply plugin: 'io.fabric' repositories { maven { url 'https://maven.fabric.io/public' } } compile('com.twitter.sdk.android:twitter:1.14.1@aar') { transitive = true; }