commit 9b0ea3a73c517db9e39b4f3a950c5438320ae9da
Author: panqihua <1029559041@qq.com>
Date: Sat Mar 21 18:47:59 2020 +0800
init
diff --git a/.gitignore b/.gitignore
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index 0000000..4f7b373
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,9 @@
+*.iml
+.gradle
+/local.properties
+.idea
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
diff --git a/app/.gitignore b/app/.gitignore
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index 0000000..796b96d
--- /dev/null
+++ b/app/.gitignore
@@ -0,0 +1 @@
+/build
diff --git a/app/build.gradle b/app/build.gradle
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+++ b/app/build.gradle
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+apply plugin: 'com.android.application'
+
+android {
+ compileSdkVersion 29
+ buildToolsVersion "29.0.3"
+
+ defaultConfig {
+ applicationId "com.community.pocket"
+ minSdkVersion 14
+ targetSdkVersion 29
+ versionCode 1
+ versionName "1.0"
+
+ testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+ }
+
+ buildTypes {
+ release {
+ minifyEnabled false
+ proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+ }
+ }
+
+}
+
+dependencies {
+ implementation fileTree(dir: 'libs', include: ['*.jar'])
+
+ implementation 'androidx.appcompat:appcompat:1.0.2'
+ implementation 'com.google.android.material:material:1.0.0'
+ implementation 'androidx.annotation:annotation:1.1.0'
+ implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+ implementation 'androidx.lifecycle:lifecycle-extensions:2.0.0'
+ testImplementation 'junit:junit:4.12'
+ androidTestImplementation 'androidx.test.ext:junit:1.1.1'
+ androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+}
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
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index 0000000..f1b4245
--- /dev/null
+++ b/app/proguard-rules.pro
@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+# http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+# public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
diff --git a/app/src/androidTest/java/com/community/pocket/ExampleInstrumentedTest.java b/app/src/androidTest/java/com/community/pocket/ExampleInstrumentedTest.java
new file mode 100644
index 0000000..9821e98
--- /dev/null
+++ b/app/src/androidTest/java/com/community/pocket/ExampleInstrumentedTest.java
@@ -0,0 +1,27 @@
+package com.community.pocket;
+
+import android.content.Context;
+
+import androidx.test.platform.app.InstrumentationRegistry;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see Testing documentation
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+ @Test
+ public void useAppContext() {
+ // Context of the app under test.
+ Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
+
+ assertEquals("com.community.pocket", appContext.getPackageName());
+ }
+}
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..431fdf5
--- /dev/null
+++ b/app/src/main/AndroidManifest.xml
@@ -0,0 +1,23 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/app/src/main/java/com/community/pocket/data/LoginDataSource.java b/app/src/main/java/com/community/pocket/data/LoginDataSource.java
new file mode 100644
index 0000000..98372e2
--- /dev/null
+++ b/app/src/main/java/com/community/pocket/data/LoginDataSource.java
@@ -0,0 +1,29 @@
+package com.community.pocket.data;
+
+import com.community.pocket.data.model.LoggedInUser;
+
+import java.io.IOException;
+
+/**
+ * Class that handles authentication w/ login credentials and retrieves user information.
+ */
+public class LoginDataSource {
+
+ public Result login(String username, String password) {
+
+ try {
+ // TODO: handle loggedInUser authentication
+ LoggedInUser fakeUser =
+ new LoggedInUser(
+ java.util.UUID.randomUUID().toString(),
+ "Jane Doe");
+ return new Result.Success<>(fakeUser);
+ } catch (Exception e) {
+ return new Result.Error(new IOException("Error logging in", e));
+ }
+ }
+
+ public void logout() {
+ // TODO: revoke authentication
+ }
+}
diff --git a/app/src/main/java/com/community/pocket/data/LoginRepository.java b/app/src/main/java/com/community/pocket/data/LoginRepository.java
new file mode 100644
index 0000000..ff7c407
--- /dev/null
+++ b/app/src/main/java/com/community/pocket/data/LoginRepository.java
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+package com.community.pocket.data;
+
+import com.community.pocket.data.model.LoggedInUser;
+
+/**
+ * Class that requests authentication and user information from the remote data source and
+ * maintains an in-memory cache of login status and user credentials information.
+ */
+public class LoginRepository {
+
+ private static volatile LoginRepository instance;
+
+ private LoginDataSource dataSource;
+
+ // If user credentials will be cached in local storage, it is recommended it be encrypted
+ // @see https://developer.android.com/training/articles/keystore
+ private LoggedInUser user = null;
+
+ // private constructor : singleton access
+ private LoginRepository(LoginDataSource dataSource) {
+ this.dataSource = dataSource;
+ }
+
+ public static LoginRepository getInstance(LoginDataSource dataSource) {
+ if (instance == null) {
+ instance = new LoginRepository(dataSource);
+ }
+ return instance;
+ }
+
+ public boolean isLoggedIn() {
+ return user != null;
+ }
+
+ public void logout() {
+ user = null;
+ dataSource.logout();
+ }
+
+ private void setLoggedInUser(LoggedInUser user) {
+ this.user = user;
+ // If user credentials will be cached in local storage, it is recommended it be encrypted
+ // @see https://developer.android.com/training/articles/keystore
+ }
+
+ public Result login(String username, String password) {
+ // handle login
+ Result result = dataSource.login(username, password);
+ if (result instanceof Result.Success) {
+ setLoggedInUser(((Result.Success) result).getData());
+ }
+ return result;
+ }
+}
diff --git a/app/src/main/java/com/community/pocket/data/Result.java b/app/src/main/java/com/community/pocket/data/Result.java
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index 0000000..2248db2
--- /dev/null
+++ b/app/src/main/java/com/community/pocket/data/Result.java
@@ -0,0 +1,48 @@
+package com.community.pocket.data;
+
+/**
+ * A generic class that holds a result success w/ data or an error exception.
+ */
+public class Result {
+ // hide the private constructor to limit subclass types (Success, Error)
+ private Result() {
+ }
+
+ @Override
+ public String toString() {
+ if (this instanceof Result.Success) {
+ Result.Success success = (Result.Success) this;
+ return "Success[data=" + success.getData().toString() + "]";
+ } else if (this instanceof Result.Error) {
+ Result.Error error = (Result.Error) this;
+ return "Error[exception=" + error.getError().toString() + "]";
+ }
+ return "";
+ }
+
+ // Success sub-class
+ public final static class Success extends Result {
+ private T data;
+
+ public Success(T data) {
+ this.data = data;
+ }
+
+ public T getData() {
+ return this.data;
+ }
+ }
+
+ // Error sub-class
+ public final static class Error extends Result {
+ private Exception error;
+
+ public Error(Exception error) {
+ this.error = error;
+ }
+
+ public Exception getError() {
+ return this.error;
+ }
+ }
+}
diff --git a/app/src/main/java/com/community/pocket/data/model/LoggedInUser.java b/app/src/main/java/com/community/pocket/data/model/LoggedInUser.java
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+++ b/app/src/main/java/com/community/pocket/data/model/LoggedInUser.java
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+package com.community.pocket.data.model;
+
+/**
+ * Data class that captures user information for logged in users retrieved from LoginRepository
+ */
+public class LoggedInUser {
+
+ private String userId;
+ private String displayName;
+
+ public LoggedInUser(String userId, String displayName) {
+ this.userId = userId;
+ this.displayName = displayName;
+ }
+
+ public String getUserId() {
+ return userId;
+ }
+
+ public String getDisplayName() {
+ return displayName;
+ }
+}
diff --git a/app/src/main/java/com/community/pocket/ui/login/LoggedInUserView.java b/app/src/main/java/com/community/pocket/ui/login/LoggedInUserView.java
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index 0000000..6bd1b89
--- /dev/null
+++ b/app/src/main/java/com/community/pocket/ui/login/LoggedInUserView.java
@@ -0,0 +1,17 @@
+package com.community.pocket.ui.login;
+
+/**
+ * Class exposing authenticated user details to the UI.
+ */
+class LoggedInUserView {
+ private String displayName;
+ //... other data fields that may be accessible to the UI
+
+ LoggedInUserView(String displayName) {
+ this.displayName = displayName;
+ }
+
+ String getDisplayName() {
+ return displayName;
+ }
+}
diff --git a/app/src/main/java/com/community/pocket/ui/login/LoginActivity.java b/app/src/main/java/com/community/pocket/ui/login/LoginActivity.java
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+++ b/app/src/main/java/com/community/pocket/ui/login/LoginActivity.java
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+package com.community.pocket.ui.login;
+
+import android.app.Activity;
+
+import androidx.lifecycle.Observer;
+import androidx.lifecycle.ViewModelProviders;
+
+import android.os.Bundle;
+
+import androidx.annotation.Nullable;
+import androidx.annotation.StringRes;
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.text.Editable;
+import android.text.TextWatcher;
+import android.view.KeyEvent;
+import android.view.View;
+import android.view.inputmethod.EditorInfo;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.ProgressBar;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.community.pocket.R;
+import com.community.pocket.ui.login.LoginViewModel;
+import com.community.pocket.ui.login.LoginViewModelFactory;
+
+public class LoginActivity extends AppCompatActivity {
+
+ private LoginViewModel loginViewModel;
+
+ @Override
+ public void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ setContentView(R.layout.activity_login);
+ loginViewModel = ViewModelProviders.of(this, new LoginViewModelFactory())
+ .get(LoginViewModel.class);
+
+ final EditText usernameEditText = findViewById(R.id.username);
+ final EditText passwordEditText = findViewById(R.id.password);
+ final Button loginButton = findViewById(R.id.login);
+ final ProgressBar loadingProgressBar = findViewById(R.id.loading);
+
+ loginViewModel.getLoginFormState().observe(this, new Observer() {
+ @Override
+ public void onChanged(@Nullable LoginFormState loginFormState) {
+ if (loginFormState == null) {
+ return;
+ }
+ loginButton.setEnabled(loginFormState.isDataValid());
+ if (loginFormState.getUsernameError() != null) {
+ usernameEditText.setError(getString(loginFormState.getUsernameError()));
+ }
+ if (loginFormState.getPasswordError() != null) {
+ passwordEditText.setError(getString(loginFormState.getPasswordError()));
+ }
+ }
+ });
+
+ loginViewModel.getLoginResult().observe(this, new Observer() {
+ @Override
+ public void onChanged(@Nullable LoginResult loginResult) {
+ if (loginResult == null) {
+ return;
+ }
+ loadingProgressBar.setVisibility(View.GONE);
+ if (loginResult.getError() != null) {
+ showLoginFailed(loginResult.getError());
+ }
+ if (loginResult.getSuccess() != null) {
+ updateUiWithUser(loginResult.getSuccess());
+ }
+ setResult(Activity.RESULT_OK);
+
+ //Complete and destroy login activity once successful
+ finish();
+ }
+ });
+
+ TextWatcher afterTextChangedListener = new TextWatcher() {
+ @Override
+ public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+ // ignore
+ }
+
+ @Override
+ public void onTextChanged(CharSequence s, int start, int before, int count) {
+ // ignore
+ }
+
+ @Override
+ public void afterTextChanged(Editable s) {
+ loginViewModel.loginDataChanged(usernameEditText.getText().toString(),
+ passwordEditText.getText().toString());
+ }
+ };
+ usernameEditText.addTextChangedListener(afterTextChangedListener);
+ passwordEditText.addTextChangedListener(afterTextChangedListener);
+ passwordEditText.setOnEditorActionListener(new TextView.OnEditorActionListener() {
+
+ @Override
+ public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
+ if (actionId == EditorInfo.IME_ACTION_DONE) {
+ loginViewModel.login(usernameEditText.getText().toString(),
+ passwordEditText.getText().toString());
+ }
+ return false;
+ }
+ });
+
+ loginButton.setOnClickListener(new View.OnClickListener() {
+ @Override
+ public void onClick(View v) {
+ loadingProgressBar.setVisibility(View.VISIBLE);
+ loginViewModel.login(usernameEditText.getText().toString(),
+ passwordEditText.getText().toString());
+ }
+ });
+ }
+
+ private void updateUiWithUser(LoggedInUserView model) {
+ String welcome = getString(R.string.welcome) + model.getDisplayName();
+ // TODO : initiate successful logged in experience
+ Toast.makeText(getApplicationContext(), welcome, Toast.LENGTH_LONG).show();
+ }
+
+ private void showLoginFailed(@StringRes Integer errorString) {
+ Toast.makeText(getApplicationContext(), errorString, Toast.LENGTH_SHORT).show();
+ }
+}
diff --git a/app/src/main/java/com/community/pocket/ui/login/LoginFormState.java b/app/src/main/java/com/community/pocket/ui/login/LoginFormState.java
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+++ b/app/src/main/java/com/community/pocket/ui/login/LoginFormState.java
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+package com.community.pocket.ui.login;
+
+import androidx.annotation.Nullable;
+
+/**
+ * Data validation state of the login form.
+ */
+class LoginFormState {
+ @Nullable
+ private Integer usernameError;
+ @Nullable
+ private Integer passwordError;
+ private boolean isDataValid;
+
+ LoginFormState(@Nullable Integer usernameError, @Nullable Integer passwordError) {
+ this.usernameError = usernameError;
+ this.passwordError = passwordError;
+ this.isDataValid = false;
+ }
+
+ LoginFormState(boolean isDataValid) {
+ this.usernameError = null;
+ this.passwordError = null;
+ this.isDataValid = isDataValid;
+ }
+
+ @Nullable
+ Integer getUsernameError() {
+ return usernameError;
+ }
+
+ @Nullable
+ Integer getPasswordError() {
+ return passwordError;
+ }
+
+ boolean isDataValid() {
+ return isDataValid;
+ }
+}
diff --git a/app/src/main/java/com/community/pocket/ui/login/LoginResult.java b/app/src/main/java/com/community/pocket/ui/login/LoginResult.java
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+++ b/app/src/main/java/com/community/pocket/ui/login/LoginResult.java
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+package com.community.pocket.ui.login;
+
+import androidx.annotation.Nullable;
+
+/**
+ * Authentication result : success (user details) or error message.
+ */
+class LoginResult {
+ @Nullable
+ private LoggedInUserView success;
+ @Nullable
+ private Integer error;
+
+ LoginResult(@Nullable Integer error) {
+ this.error = error;
+ }
+
+ LoginResult(@Nullable LoggedInUserView success) {
+ this.success = success;
+ }
+
+ @Nullable
+ LoggedInUserView getSuccess() {
+ return success;
+ }
+
+ @Nullable
+ Integer getError() {
+ return error;
+ }
+}
diff --git a/app/src/main/java/com/community/pocket/ui/login/LoginViewModel.java b/app/src/main/java/com/community/pocket/ui/login/LoginViewModel.java
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+++ b/app/src/main/java/com/community/pocket/ui/login/LoginViewModel.java
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+package com.community.pocket.ui.login;
+
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.MutableLiveData;
+import androidx.lifecycle.ViewModel;
+
+import android.util.Patterns;
+
+import com.community.pocket.data.LoginRepository;
+import com.community.pocket.data.Result;
+import com.community.pocket.data.model.LoggedInUser;
+import com.community.pocket.R;
+
+public class LoginViewModel extends ViewModel {
+
+ private MutableLiveData loginFormState = new MutableLiveData<>();
+ private MutableLiveData loginResult = new MutableLiveData<>();
+ private LoginRepository loginRepository;
+
+ LoginViewModel(LoginRepository loginRepository) {
+ this.loginRepository = loginRepository;
+ }
+
+ LiveData getLoginFormState() {
+ return loginFormState;
+ }
+
+ LiveData getLoginResult() {
+ return loginResult;
+ }
+
+ public void login(String username, String password) {
+ // can be launched in a separate asynchronous job
+ Result result = loginRepository.login(username, password);
+
+ if (result instanceof Result.Success) {
+ LoggedInUser data = ((Result.Success) result).getData();
+ loginResult.setValue(new LoginResult(new LoggedInUserView(data.getDisplayName())));
+ } else {
+ loginResult.setValue(new LoginResult(R.string.login_failed));
+ }
+ }
+
+ public void loginDataChanged(String username, String password) {
+ if (!isUserNameValid(username)) {
+ loginFormState.setValue(new LoginFormState(R.string.invalid_username, null));
+ } else if (!isPasswordValid(password)) {
+ loginFormState.setValue(new LoginFormState(null, R.string.invalid_password));
+ } else {
+ loginFormState.setValue(new LoginFormState(true));
+ }
+ }
+
+ // A placeholder username validation check
+ private boolean isUserNameValid(String username) {
+ if (username == null) {
+ return false;
+ }
+ if (username.contains("@")) {
+ return Patterns.EMAIL_ADDRESS.matcher(username).matches();
+ } else {
+ return !username.trim().isEmpty();
+ }
+ }
+
+ // A placeholder password validation check
+ private boolean isPasswordValid(String password) {
+ return password != null && password.trim().length() > 5;
+ }
+}
diff --git a/app/src/main/java/com/community/pocket/ui/login/LoginViewModelFactory.java b/app/src/main/java/com/community/pocket/ui/login/LoginViewModelFactory.java
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+++ b/app/src/main/java/com/community/pocket/ui/login/LoginViewModelFactory.java
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+package com.community.pocket.ui.login;
+
+import androidx.lifecycle.ViewModel;
+import androidx.lifecycle.ViewModelProvider;
+import androidx.annotation.NonNull;
+
+import com.community.pocket.data.LoginDataSource;
+import com.community.pocket.data.LoginRepository;
+
+/**
+ * ViewModel provider factory to instantiate LoginViewModel.
+ * Required given LoginViewModel has a non-empty constructor
+ */
+public class LoginViewModelFactory implements ViewModelProvider.Factory {
+
+ @NonNull
+ @Override
+ @SuppressWarnings("unchecked")
+ public T create(@NonNull Class modelClass) {
+ if (modelClass.isAssignableFrom(LoginViewModel.class)) {
+ return (T) new LoginViewModel(LoginRepository.getInstance(new LoginDataSource()));
+ } else {
+ throw new IllegalArgumentException("Unknown ViewModel class");
+ }
+ }
+}
diff --git a/app/src/main/res/drawable-v24/ic_launcher_foreground.xml b/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
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diff --git a/app/src/main/res/drawable/ic_launcher_background.xml b/app/src/main/res/drawable/ic_launcher_background.xml
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diff --git a/app/src/main/res/layout/activity_login.xml b/app/src/main/res/layout/activity_login.xml
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diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
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diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
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diff --git a/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png b/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..da31a87
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diff --git a/app/src/main/res/mipmap-xxhdpi/ic_launcher.png b/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
new file mode 100644
index 0000000..15ac681
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diff --git a/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png b/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..b216f2d
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diff --git a/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
new file mode 100644
index 0000000..f25a419
Binary files /dev/null and b/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..e96783c
Binary files /dev/null and b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png differ
diff --git a/app/src/main/res/values-en-rUS/strings.xml b/app/src/main/res/values-en-rUS/strings.xml
new file mode 100644
index 0000000..cf35e26
--- /dev/null
+++ b/app/src/main/res/values-en-rUS/strings.xml
@@ -0,0 +1,12 @@
+
+ PocketCommunityClient
+
+ Email
+ Password
+ Sign in or register
+ Sign in
+ "Welcome !"
+ Not a valid username
+ Password must be >5 characters
+ "Login failed"
+
\ No newline at end of file
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
new file mode 100644
index 0000000..7599095
--- /dev/null
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -0,0 +1,12 @@
+
+ 口袋社区
+
+ 邮箱
+ 密码
+ 登陆或注册
+ 登陆
+ "欢迎 !"
+ 用户名不合法
+ 密码至少5个字符
+ "登陆失败"
+
\ No newline at end of file
diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml
new file mode 100644
index 0000000..030098f
--- /dev/null
+++ b/app/src/main/res/values/colors.xml
@@ -0,0 +1,6 @@
+
+
+ #6200EE
+ #3700B3
+ #03DAC5
+
diff --git a/app/src/main/res/values/dimens.xml b/app/src/main/res/values/dimens.xml
new file mode 100644
index 0000000..47c8224
--- /dev/null
+++ b/app/src/main/res/values/dimens.xml
@@ -0,0 +1,5 @@
+
+
+ 16dp
+ 16dp
+
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
new file mode 100644
index 0000000..cefd10a
--- /dev/null
+++ b/app/src/main/res/values/strings.xml
@@ -0,0 +1,12 @@
+
+ PocketCommunityClient
+
+ Email
+ Password
+ Sign in or register
+ Sign in
+ "Welcome !"
+ Not a valid username
+ Password must be >5 characters
+ "Login failed"
+
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
new file mode 100644
index 0000000..5885930
--- /dev/null
+++ b/app/src/main/res/values/styles.xml
@@ -0,0 +1,11 @@
+
+
+
+
+
+
diff --git a/app/src/test/java/com/community/pocket/ExampleUnitTest.java b/app/src/test/java/com/community/pocket/ExampleUnitTest.java
new file mode 100644
index 0000000..522801e
--- /dev/null
+++ b/app/src/test/java/com/community/pocket/ExampleUnitTest.java
@@ -0,0 +1,17 @@
+package com.community.pocket;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * @see Testing documentation
+ */
+public class ExampleUnitTest {
+ @Test
+ public void addition_isCorrect() {
+ assertEquals(4, 2 + 2);
+ }
+}
\ No newline at end of file
diff --git a/build.gradle b/build.gradle
new file mode 100644
index 0000000..b56c2bb
--- /dev/null
+++ b/build.gradle
@@ -0,0 +1,29 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+
+buildscript {
+
+ repositories {
+ maven { url 'https://maven.aliyun.com/repository/public/' }
+ google()
+ jcenter()
+ }
+ dependencies {
+ classpath 'com.android.tools.build:gradle:3.6.1'
+
+
+ // NOTE: Do not place your application dependencies here; they belong
+ // in the individual module build.gradle files
+ }
+}
+
+allprojects {
+ repositories {
+ maven { url 'https://maven.aliyun.com/repository/public/' }
+ google()
+ jcenter()
+ }
+}
+
+task clean(type: Delete) {
+ delete rootProject.buildDir
+}
diff --git a/gradle.properties b/gradle.properties
new file mode 100644
index 0000000..199d16e
--- /dev/null
+++ b/gradle.properties
@@ -0,0 +1,20 @@
+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx1536m
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app's APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
+android.useAndroidX=true
+# Automatically convert third-party libraries to use AndroidX
+android.enableJetifier=true
+
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000..f6b961f
Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..f880427
--- /dev/null
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,6 @@
+#Sat Mar 21 14:10:52 CST 2020
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.4-all.zip
diff --git a/gradlew b/gradlew
new file mode 100755
index 0000000..cccdd3d
--- /dev/null
+++ b/gradlew
@@ -0,0 +1,172 @@
+#!/usr/bin/env sh
+
+##############################################################################
+##
+## Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+ ls=`ls -ld "$PRG"`
+ link=`expr "$ls" : '.*-> \(.*\)$'`
+ if expr "$link" : '/.*' > /dev/null; then
+ PRG="$link"
+ else
+ PRG=`dirname "$PRG"`"/$link"
+ fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+ echo "$*"
+}
+
+die () {
+ echo
+ echo "$*"
+ echo
+ exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+ CYGWIN* )
+ cygwin=true
+ ;;
+ Darwin* )
+ darwin=true
+ ;;
+ MINGW* )
+ msys=true
+ ;;
+ NONSTOP* )
+ nonstop=true
+ ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+ if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+ # IBM's JDK on AIX uses strange locations for the executables
+ JAVACMD="$JAVA_HOME/jre/sh/java"
+ else
+ JAVACMD="$JAVA_HOME/bin/java"
+ fi
+ if [ ! -x "$JAVACMD" ] ; then
+ die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+ fi
+else
+ JAVACMD="java"
+ which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+ MAX_FD_LIMIT=`ulimit -H -n`
+ if [ $? -eq 0 ] ; then
+ if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+ MAX_FD="$MAX_FD_LIMIT"
+ fi
+ ulimit -n $MAX_FD
+ if [ $? -ne 0 ] ; then
+ warn "Could not set maximum file descriptor limit: $MAX_FD"
+ fi
+ else
+ warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+ fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+ GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+ APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+ CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+ JAVACMD=`cygpath --unix "$JAVACMD"`
+
+ # We build the pattern for arguments to be converted via cygpath
+ ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+ SEP=""
+ for dir in $ROOTDIRSRAW ; do
+ ROOTDIRS="$ROOTDIRS$SEP$dir"
+ SEP="|"
+ done
+ OURCYGPATTERN="(^($ROOTDIRS))"
+ # Add a user-defined pattern to the cygpath arguments
+ if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+ OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+ fi
+ # Now convert the arguments - kludge to limit ourselves to /bin/sh
+ i=0
+ for arg in "$@" ; do
+ CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+ CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
+
+ if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
+ eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+ else
+ eval `echo args$i`="\"$arg\""
+ fi
+ i=$((i+1))
+ done
+ case $i in
+ (0) set -- ;;
+ (1) set -- "$args0" ;;
+ (2) set -- "$args0" "$args1" ;;
+ (3) set -- "$args0" "$args1" "$args2" ;;
+ (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+ (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+ (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+ (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+ (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+ (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+ esac
+fi
+
+# Escape application args
+save () {
+ for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+ echo " "
+}
+APP_ARGS=$(save "$@")
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+ cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/gradlew.bat b/gradlew.bat
new file mode 100644
index 0000000..f955316
--- /dev/null
+++ b/gradlew.bat
@@ -0,0 +1,84 @@
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
diff --git a/settings.gradle b/settings.gradle
new file mode 100644
index 0000000..d45b9ec
--- /dev/null
+++ b/settings.gradle
@@ -0,0 +1,2 @@
+rootProject.name='PocketCommunityClient'
+include ':app'