我是 Android 编程新手。我成功集成了 Google 登录，并成功将数据传递到另一个 Activity 。但是，当我通过抽屉导航返回 Activity 时，我传递了数据，它播下了空屏幕。我想在该 Activity 中保存用户个人资料。我想通过单击应用程序中永久的保存按钮来保存用户详细信息以显示为用户个人资料。请帮助我解决这个问题。提前感谢您提供解决方案。
这是我的 java 文件和 XML 文件。
activity_main3.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/activity_main3"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context=".Main3Activity">
<LinearLayout
android:id="@+id/prof_section"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="20dp"
android:layout_marginTop="50dp"
android:orientation="horizontal">
<ImageView
android:id="@+id/prof_pic"
android:layout_width="90dp"
android:layout_height="125dp"
android:src="@drawable/profilep" />
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="28dp"
android:layout_marginTop="20dp"
android:orientation="vertical">
<TextView
android:id="@+id/name"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:text="Disply Name Here"
android:textSize="18dp"
android:textStyle="bold" />
<TextView
android:id="@+id/email"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:gravity="center"
android:text="Disply Email Here"
android:textSize="18dp"
android:textStyle="bold" />
<Button
android:id="@+id/butn_logout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Logout"
/>
</LinearLayout>
</LinearLayout>
<com.google.android.gms.common.SignInButton
android:id="@+id/butn_login"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="50dp"
android:layout_marginRight="50dp"
android:layout_marginTop="60dp" >
</com.google.android.gms.common.SignInButton>
activity_detail.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".Detail">
<ImageView
android:id="@+id/dp"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="10dp" />
<TextView
android:id="@+id/name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="10dp" />
<TextView
android:id="@+id/email"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="10dp" />
<Button
android:id="@+id/button_save"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="SAVE" />
详细信息.Java
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_detail);
dp = (ImageView) findViewById(R.id.dp);
name = (TextView) findViewById(R.id.name);
email = (TextView) findViewById(R.id.email);
Intent i = getIntent();
final String i_name, i_email, i_url;
i_name = i.getStringExtra("p_name");
i_email = i.getStringExtra("p_email");
i_url = i.getStringExtra("p_url");
name.setText(i_name);
email.setText(i_email);
new Thread(new Runnable() {
@Override
public void run() {
try {
URL url = new URL(i_url);
InputStream is = url.openConnection().getInputStream();
final Bitmap bmp = BitmapFactory.decodeStream(is);
runOnUiThread(new Runnable() {
@Override
public void run() {
dp.setImageBitmap(bmp);
}
});
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}).start();
}
Main3Activity.Java
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main3);
preferenceConfig = new SharedPreferenceConfig(getApplicationContext());
if (preferenceConfig.readLoginStatus()) {
startActivity(new Intent(this, Main2Activity.class));
finish();
}
Prof_Section = (LinearLayout) findViewById(R.id.prof_section);
SignOut = (Button) findViewById(R.id.butn_logout);
SignIn = (SignInButton) findViewById(R.id.butn_login);
Name = (TextView) findViewById(R.id.name);
Email = (TextView) findViewById(R.id.email);
Prof_Pic = (ImageView) findViewById(R.id.prof_pic);
SignIn.setOnClickListener(this);
SignOut.setOnClickListener(this);
Prof_Section.setVisibility(View.GONE);
GoogleSignInOptions signInOptions = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN).requestEmail().requestProfile().build();
googleApiClient = new GoogleApiClient.Builder(this).enableAutoManage(this, this).addApi(Auth.GOOGLE_SIGN_IN_API, signInOptions).build();
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.butn_login:
signIn();
break;
case R.id.butn_logout:
signOut();
break;
}
}
@Override
public void onConnectionFailed(@NonNull ConnectionResult connectionResult) {
}
private void signIn() {
Intent intent = Auth.GoogleSignInApi.getSignInIntent(googleApiClient);
startActivityForResult(intent, REQ_CODE);
}
private void signOut() {
Auth.GoogleSignInApi.signOut(googleApiClient).setResultCallback(new ResultCallback<Status>() {
@Override
public void onResult(@NonNull Status status) {
updateUI(false);
}
});
}
private void updateUI(boolean isLogin) {
if (isLogin) {
Prof_Section.setVisibility(View.VISIBLE);
SignIn.setVisibility(View.GONE);
} else {
Prof_Section.setVisibility(View.GONE);
SignIn.setVisibility(View.VISIBLE);
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == REQ_CODE) {
GoogleSignInResult googleSignInResult = Auth.GoogleSignInApi.getSignInResultFromIntent(data);
GoogleSignInAccount account = googleSignInResult.getSignInAccount();
String name = account.getDisplayName();
String email = account.getEmail();
String img_url = account.getPhotoUrl().toString();
Name.setText(name);
Email.setText(email);
Glide.with(this).load(img_url).into(Prof_Pic);
updateUI(true);
preferenceConfig.writeLoginStatus(true);
try {
Intent sendData = new Intent(Main3Activity.this, Detail.class);
name = account.getDisplayName();
email = account.getEmail();
img_url = account.getPhotoUrl().toString();
sendData.putExtra("p_name", name);
sendData.putExtra("p_email", email);
sendData.putExtra("p_url", img_url);
startActivity(sendData);
} catch (Exception e) {
Toast.makeText(Main3Activity.this, e.getMessage(), Toast.LENGTH_SHORT).show();
}
} else {
Toast.makeText(Main3Activity.this, "Login Failed", Toast.LENGTH_SHORT).show();
}
}
最佳答案
根据您的目的使用共享偏好设置。您可以阅读更多相关信息here .
此处提供了一个示例 sharedPreferences
关于java - 如何在谷歌登录另一个 Activity 后保存谷歌个人资料，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/52261446/