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This article mainly explains "what is the way to improve the survival rate of Android application process". The content of the explanation is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "what is the method to improve the survival rate of Android application process".

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Create an Account service

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 {/ / add account sample code 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 {/ / Certification sample code 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;}

Declare the Account service

Where authenticator is:

Using Account services

Same as SyncAdapter, using through AccountManager

. Apply for Token mainly through AccountManager.getAuthToken) series of methods

. If you add an account, use AccountManager.addAccount)

. Check to see if there is an account via AccountManager.getAccountsByType)

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