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这篇文章主要讲解了“提高Android应用进程存活率的方法是什么”，文中的讲解内容简单清晰，易于学习与理解，下面请大家跟着小编的思路慢慢深入，一起来研究和学习“提高Android应用进程存活率的方法是什么”吧！
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接上文
创建Account服务
public class XXAuthService extends Service { private XXAuthenticator mAuthenticator; @Override public void onCreate() { mAuthenticator = new XXAuthenticator(this); } private XXAuthenticator getAuthenticator() { if (mAuthenticator == null) mAuthenticator = new XXAuthenticator(this); return mAuthenticator; } @Override public IBinder onBind(Intent intent) { return getAuthenticator().getIBinder(); } class XXAuthenticator extends AbstractAccountAuthenticator { private final Context context; private AccountManager accountManager; public XXAuthenticator(Context context) { super(context); this.context = context; accountManager = AccountManager.get(context); } @Override public Bundle addAccount(AccountAuthenticatorResponse response, String accountType, String authTokenType, String[] requiredFeatures, Bundle options) throws NetworkErrorException { // 添加账号 示例代码 final Bundle bundle = new Bundle(); final Intent intent = new Intent(context, AuthActivity.class); intent.putExtra(AccountManager.KEY_ACCOUNT_AUTHENTICATOR_RESPONSE, response); bundle.putParcelable(AccountManager.KEY_INTENT, intent); return bundle; } @Override public Bundle getAuthToken(AccountAuthenticatorResponse response, Account account, String authTokenType, Bundle options) throws NetworkErrorException { // 认证 示例代码 String authToken = accountManager.peekAuthToken(account, getString(R.string.account_token_type)); //if not, might be expired, register again if (TextUtils.isEmpty(authToken)) { final String password = accountManager.getPassword(account); if (password != null) { //get new token authToken = account.name + password; } } //without password, need to sign again final Bundle bundle = new Bundle(); if (!TextUtils.isEmpty(authToken)) { bundle.putString(AccountManager.KEY_ACCOUNT_NAME, account.name); bundle.putString(AccountManager.KEY_ACCOUNT_TYPE, account.type); bundle.putString(AccountManager.KEY_AUTHTOKEN, authToken); return bundle; } //no account data at all, need to do a sign final Intent intent = new Intent(context, AuthActivity.class); intent.putExtra(AccountManager.KEY_ACCOUNT_AUTHENTICATOR_RESPONSE, response); intent.putExtra(AuthActivity.ARG_ACCOUNT_NAME, account.name); bundle.putParcelable(AccountManager.KEY_INTENT, intent); return bundle; } @Override public String getAuthTokenLabel(String authTokenType) { // throw new UnsupportedOperationException(); return null; } @Override public Bundle editProperties(AccountAuthenticatorResponse response, String accountType) { return null; } @Override public Bundle confirmCredentials(AccountAuthenticatorResponse response, Account account, Bundle options) throws NetworkErrorException { return null; } @Override public Bundle updateCredentials(AccountAuthenticatorResponse response, Account account, String authTokenType, Bundle options) throws NetworkErrorException { return null; } @Override public Bundle hasFeatures(AccountAuthenticatorResponse response, Account account, String[] features) throws NetworkErrorException { return null; } } }声明Account服务
