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我想在Android应用程序中开发一个为密码实现smart Lock的应用程序.
我跟随https://developers.google.com/identity/smartlock-passwords/android/.
我已经初始化了GoogleApiClient
@H_219_14@mCredentialsApiClient = new GoogleApiClient.builder(this) .addConnectionCallBACks(this) .addOnConnectionFailedListener(this) .addApi(Auth.CREDENTIALS_API) .build();
并生成Credential的实例
final Credential credential = new Credential.builder(email) .setpassword(password) .build();
我使用Credentials API保存凭据
Auth.CredentialsApi.save(mCredentialsClient,credential).setResultCallBACk( new ResultCallBACk() { @Override public void onResult(Status status) { if (status.issuccess()) { // Credentials were saved } else { if (status.hasResolution()) { // Try to resolve the save request. This will prompt the user if // the credential is new. try { status.startResolutionForResult(this,RC_SAVE); } catch (IntentSender.SendIntentexception E) { // Could not resolve the request } } } } });
我的清单获得了许可
<uses-permission android:name="android.permission.USE_CREDENTIALS" /> <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /> <uses-permission android:name="android.permission.INTERNET" /> <uses-permission android:name="android.permission.GET_ACCOUNTS" />
<Meta-data android:name="com.google.android.gms.version" android:value="@Integer/google_play_services_version" />
在Android应用程序中完成所有操作后,我在Google Developer Console上生成了项目,并完成了this link here中提到的所有操作.
但是当我运行项目时,我收到的错误是:
在onCreate:
@H_219_14@mCredentialsApiClient = new GoogleApiClient.builder(this) .addConnectionCallBACks(this) .addOnConnectionFailedListener(this) .addApi(Auth.CREDENTIALS_API) .build();
…
在saveCredetial方法中:
final Credential credential = new Credential.builder(email) .setpassword(password) .build(); Auth.CredentialsApi.save(mCredentialsApiClient,credential).setResultCallBACk( new ResultCallBACk<Status>() { @Override public void onResult(Status status) { if (status.issuccess()) { Log.d(tag,"SAVE: OK"); showToast("Credential Saved"); hideProgress(); } else { resolveResult(status,RC_SAVE); } } });
…
关于主要活动的resolveResult方法:
private void resolveResult(Status status,int requestCodE) { Log.d(tag,"Resolving: " + status); if (status.hasResolution()) { Log.d(tag,"STATUS: RESOLVING"); try { status.startResolutionForResult(MainActivity.this,requestCodE); } catch (IntentSender.SendIntentexception E) { Log.e(tag,"STATUS: Failed to send resolution.",E); hideProgress(); } } else { Log.e(tag,"STATUS: FAIL"); showToast("Could Not Resolve Error"); hideProgress(); } }
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