feat: 初次提交

.gitignore

@@ -0,0 +1,15 @@
+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties

.idea/.gitignore

@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml

.idea/compiler.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <bytecodeTargetLevel target="11" />
+  </component>
+</project>

.idea/gradle.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
+  <component name="GradleSettings">
+    <option name="linkedExternalProjectsSettings">
+      <GradleProjectSettings>
+        <option name="testRunner" value="GRADLE" />
+        <option name="distributionType" value="DEFAULT_WRAPPED" />
+        <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="gradleJvm" value="11" />
+        <option name="modules">
+          <set>
+            <option value="$PROJECT_DIR$" />
+            <option value="$PROJECT_DIR$/app" />
+          </set>
+        </option>
+      </GradleProjectSettings>
+    </option>
+  </component>
+</project>

.idea/misc.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="DesignSurface">
+    <option name="filePathToZoomLevelMap">
+      <map>
+        <entry key="..\:/gitee/JectPackLearn/app/src/main/res/layout/activity_lifecycle.xml" value="0.3536458333333333" />
+        <entry key="..\:/gitee/JectPackLearn/app/src/main/res/layout/activity_main.xml" value="0.2" />
+        <entry key="..\:/gitee/JectPackLearn/app/src/main/res/layout/activity_start.xml" value="0.23229166666666667" />
+        <entry key="..\:/gitee/JectPackLearn/app/src/main/res/layout/bind_view_test_activity.xml" value="0.25" />
+        <entry key="..\:/gitee/JectPackLearn/app/src/main/res/layout/fragment_a.xml" value="0.3390625" />
+        <entry key="..\:/gitee/JectPackLearn/app/src/main/res/layout/fragment_layout_b.xml" value="0.3536458333333333" />
+        <entry key="..\:/gitee/JectPackLearn/app/src/main/res/layout/fragment_layout_c.xml" value="0.3536458333333333" />
+      </map>
+    </option>
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/build/classes" />
+  </component>
+  <component name="ProjectType">
+    <option name="id" value="Android" />
+  </component>
+</project>

app/.gitignore

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+/build

app/build.gradle

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+plugins {
+    id 'com.android.application'
+    id 'org.jetbrains.kotlin.android'
+}
+
+android {
+    compileSdk 31
+
+    defaultConfig {
+        applicationId "com.navinfo.jectpacklearn"
+        minSdk 23
+        targetSdk 31
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_11
+        targetCompatibility JavaVersion.VERSION_11
+    }
+    kotlinOptions {
+        jvmTarget = JavaVersion.VERSION_11
+    }
+    //启用DataBinding
+    buildFeatures {
+        dataBinding true
+        viewBinding true
+    }
+}
+
+ext.navigationVersion = "2.0.0"
+ext.jetpackVersion = "2.5.1"
+ext.binding_version = "1.1.8"
+dependencies {
+
+    implementation 'androidx.core:core-ktx:1.7.0'
+    implementation 'androidx.appcompat:appcompat:1.4.1'
+    implementation 'com.google.android.material:material:1.5.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.1.3'
+    implementation 'android.arch.lifecycle:common:1.1.1'
+    implementation 'androidx.navigation:navigation-common-ktx:2.5.1'
+    implementation 'androidx.navigation:navigation-fragment-ktx:2.5.1'
+    implementation 'androidx.navigation:navigation-ui-ktx:2.5.1'
+    testImplementation 'junit:junit:4.13.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
+    implementation "androidx.navigation:navigation-fragment-ktx:$jetpackVersion"
+    implementation "androidx.navigation:navigation-ui-ktx:$jetpackVersion"
+    implementation "androidx.lifecycle:lifecycle-process:$jetpackVersion"
+    implementation "androidx.lifecycle:lifecycle-runtime:$jetpackVersion"
+    implementation "androidx.lifecycle:lifecycle-viewmodel:$jetpackVersion"
+    implementation "androidx.lifecycle:lifecycle-livedata-ktx:$jetpackVersion"
+    implementation "com.hi-dhl:binding:$binding_version"
+}

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

app/src/androidTest/java/com/navinfo/jectpacklearn/ExampleInstrumentedTest.kt

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+package com.navinfo.jectpacklearn
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("com.navinfo.jectpacklearn", appContext.packageName)
+    }
+}

app/src/main/AndroidManifest.xml

@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.navinfo.jectpacklearn">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:name=".MainApplication"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.JectPackLearn">
+        <activity
+            android:name=".StartActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+        <activity
+            android:name=".BindViewTestActivity"
+            android:exported="true">
+        </activity>
+        <activity
+            android:name=".NavigationActivity"
+            android:exported="true">
+        </activity>
+        <activity
+            android:name=".LifecycleActivity"
+            android:exported="true">
+        </activity>
+    </application>
+
+</manifest>

app/src/main/java/com/navinfo/LiveDataModel.kt

@@ -0,0 +1,6 @@
+package com.navinfo
+
+data class LiveDataModel(
+    val id: Int,
+    var name: String,
+    var age: Int)

app/src/main/java/com/navinfo/jectpacklearn/BindViewTestActivity.kt

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+package com.navinfo.jectpacklearn
+
+import android.os.Bundle
+import android.os.PersistableBundle
+import android.view.LayoutInflater
+import androidx.appcompat.app.AppCompatActivity
+import com.navinfo.jectpacklearn.databinding.BindViewTestActivityBinding
+
+class BindViewTestActivity : AppCompatActivity(){
+    private lateinit var bindView: BindViewTestActivityBinding
+
+    override fun onCreate(savedInstanceState: Bundle?, persistentState: PersistableBundle?) {
+        super.onCreate(savedInstanceState, persistentState)
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        bindView = BindViewTestActivityBinding.inflate(layoutInflater)
+        val rootView = bindView.root
+        setContentView(rootView)
+
+        bindView.tvBindText.text = "测试1212121212"
+    }
+}

app/src/main/java/com/navinfo/jectpacklearn/LifecycleActivity.kt

@@ -0,0 +1,24 @@
+package com.navinfo.jectpacklearn
+
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import com.hi.dhl.binding.databind
+import com.hi.dhl.binding.viewbind
+import com.navinfo.jectpacklearn.databinding.ActivityLifecycleBinding
+import com.navinfo.jectpacklearn.lifecycle.LifeCycleTest
+
+class LifecycleActivity: ComponentActivity() {
+    val viewbinding by viewbind<ActivityLifecycleBinding>()
+    val lifecycleTest by lazy { LifeCycleTest() }
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(viewbinding.root)
+        viewbinding.tvLifecycleName.text = "name"
+        lifecycle.addObserver(lifecycleTest)
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        lifecycle.removeObserver(lifecycleTest)
+    }
+}

app/src/main/java/com/navinfo/jectpacklearn/LiveDataViewModelActivity.kt

@@ -0,0 +1,26 @@
+package com.navinfo.jectpacklearn
+
+import android.os.Bundle
+import android.os.PersistableBundle
+import androidx.activity.ComponentActivity
+import androidx.lifecycle.Observer
+import androidx.lifecycle.ViewModelProvider
+import com.navinfo.LiveDataModel
+import com.navinfo.jectpacklearn.lifecycle.LiveDataViewModelLifeCycle
+import com.navinfo.jectpacklearn.viewmodel.LiveDataViewModel
+
+class LiveDataViewModelActivity: ComponentActivity() {
+    private val currentLifeCycle by lazy { LiveDataViewModelLifeCycle() }
+    private lateinit var liveDataViewModel: LiveDataViewModel
+
+    override fun onCreate(savedInstanceState: Bundle?, persistentState: PersistableBundle?) {
+        super.onCreate(savedInstanceState, persistentState)
+        lifecycle.addObserver(currentLifeCycle)
+        liveDataViewModel = ViewModelProvider(this).get(LiveDataViewModel::class.java)
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        lifecycle.removeObserver(currentLifeCycle)
+    }
+}

app/src/main/java/com/navinfo/jectpacklearn/MainActivity.kt

@@ -0,0 +1,91 @@
+package com.navinfo.jectpacklearn
+
+import android.content.Intent
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+import android.view.View
+import android.widget.Button
+import android.widget.EditText
+import android.widget.TextView
+import android.widget.Toast
+import androidx.lifecycle.LifecycleCoroutineScope
+import androidx.lifecycle.Observer
+import androidx.lifecycle.ViewModelProvider
+import androidx.lifecycle.lifecycleScope
+import com.navinfo.jectpacklearn.lifecycle.MyLifeCycle
+import com.navinfo.jectpacklearn.viewmodel.MainViewModel
+import kotlinx.coroutines.*
+import kotlinx.coroutines.channels.Channel
+import kotlinx.coroutines.flow.Flow
+import kotlin.coroutines.CoroutineContext
+import kotlin.coroutines.coroutineContext
+
+class MainActivity : AppCompatActivity() {
+    private lateinit var mainViewModel: MainViewModel;
+    private lateinit var edtAccount: EditText;
+    private lateinit var edtPwd: EditText;
+    private lateinit var btnLogin: Button;
+    private lateinit var tvAccount: TextView;
+    private lateinit var tvPwd: TextView;
+    private val myLifeCycle by lazy { MyLifeCycle() }
+    private val btnCorutine: Button by lazy { findViewById(R.id.btn_corutine) }
+    private val channel by lazy { Channel<Job>(Channel.UNLIMITED) }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+
+        mainViewModel = ViewModelProvider(this).get(MainViewModel::class.java)
+        edtAccount = findViewById(R.id.edt_account);
+        edtPwd = findViewById(R.id.edt_pwd);
+        btnLogin = findViewById(R.id.btn_login)
+        tvAccount = findViewById(R.id.tv_account)
+        tvPwd = findViewById(R.id.tv_pwd)
+
+        btnLogin.setOnClickListener(fun (view: View) {
+            mainViewModel.account.value = edtAccount.text.toString().trim()
+            mainViewModel.pwd.value = edtPwd.text.toString().trim()
+
+            if (mainViewModel.account.value.equals("")) {
+                Toast.makeText(this@MainActivity, "用户名不能为空", Toast.LENGTH_SHORT).show()
+                return;
+            }
+            if (mainViewModel.pwd.value.equals("")) {
+                Toast.makeText(this@MainActivity, "密码不能为空", Toast.LENGTH_SHORT).show()
+                return;
+            }
+
+            Toast.makeText(this@MainActivity, "登录成功", Toast.LENGTH_SHORT).show()
+            val intent = Intent(this@MainActivity, BindViewTestActivity::class.java)
+            startActivity(intent)
+        })
+
+        mainViewModel.account.observe(this@MainActivity, Observer { tvAccount.text = it } )
+        lifecycle.addObserver(myLifeCycle)
+
+        btnCorutine.setOnClickListener {
+            val channelJob = lifecycleScope.async(Dispatchers.IO) {
+                suspendFun1()
+            }
+            lifecycleScope.launch(Dispatchers.Default) {
+                channel.send(channelJob)
+            }
+        }
+
+        lifecycleScope.launch {
+            val deffered = channel.receive() as Deferred<Int>
+            println("deffered.await(): ${deffered.await()}")
+        }
+    }
+
+    private suspend fun suspendFun1(): Int {
+        delay(3000)
+        return 3000
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        lifecycle.removeObserver(myLifeCycle)
+        channel.close()
+    }
+}

app/src/main/java/com/navinfo/jectpacklearn/MainApplication.kt

@@ -0,0 +1,13 @@
+package com.navinfo.jectpacklearn
+
+import android.app.Application
+import androidx.lifecycle.ProcessLifecycleOwner
+import com.navinfo.jectpacklearn.lifecycle.MyApplicationLifeCycle
+
+class MainApplication: Application() {
+    val applicationLifeCycle by lazy { MyApplicationLifeCycle() }
+    override fun onCreate() {
+        super.onCreate()
+        ProcessLifecycleOwner.get().lifecycle.addObserver(applicationLifeCycle)
+    }
+}

app/src/main/java/com/navinfo/jectpacklearn/NavigationActivity.kt

@@ -0,0 +1,14 @@
+package com.navinfo.jectpacklearn
+
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+
+class NavigationActivity: ComponentActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+    }
+}

app/src/main/java/com/navinfo/jectpacklearn/StartActivity.kt

@@ -0,0 +1,32 @@
+package com.navinfo.jectpacklearn
+
+import android.content.Intent
+import android.os.Bundle
+import android.view.View
+import androidx.activity.ComponentActivity
+import com.hi.dhl.binding.viewbind
+import com.navinfo.jectpacklearn.databinding.ActivityStartBinding
+
+class StartActivity : ComponentActivity(), View.OnClickListener {
+    // ViewBinding自动绑定
+    private val viewBind by viewbind<ActivityStartBinding>()
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(viewBind.root)
+
+        viewBind.btnStart2Navigation.setOnClickListener(this::onClick)
+        viewBind.btnStart2Lifecycle.setOnClickListener(this::onClick)
+    }
+
+    override fun onClick(view: View?) {
+        var intent: Intent = let {
+            when(view!!.id) {
+                R.id.btn_start_2_navigation -> Intent(this, NavigationActivity::class.java)
+                R.id.btn_start_2_lifecycle -> Intent(this, LifecycleActivity::class.java)
+                else -> Intent(this, NavigationActivity::class.java)
+            }
+        }
+        startActivity(intent)
+    }
+}

app/src/main/java/com/navinfo/jectpacklearn/fragment/FragmentA.kt

@@ -0,0 +1,15 @@
+package com.navinfo.jectpacklearn.fragment
+
+import android.os.Bundle
+import android.view.View
+import androidx.fragment.app.Fragment
+import com.hi.dhl.binding.databind
+import com.hi.dhl.binding.viewbind
+import com.navinfo.jectpacklearn.databinding.FragmentLayoutABinding
+
+class FragmentA: Fragment() {
+    val binding: FragmentLayoutABinding by viewbind()
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+    }
+}

app/src/main/java/com/navinfo/jectpacklearn/fragment/FragmentB.kt

@@ -0,0 +1,15 @@
+package com.navinfo.jectpacklearn.fragment
+
+import android.os.Bundle
+import android.view.View
+import androidx.fragment.app.Fragment
+import com.hi.dhl.binding.databind
+import com.hi.dhl.binding.viewbind
+import com.navinfo.jectpacklearn.databinding.FragmentLayoutBBinding
+
+class FragmentB: Fragment() {
+    val binding: FragmentLayoutBBinding by viewbind()
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+    }
+}

app/src/main/java/com/navinfo/jectpacklearn/fragment/FragmentC.kt

@@ -0,0 +1,14 @@
+package com.navinfo.jectpacklearn.fragment
+
+import android.os.Bundle
+import android.view.View
+import androidx.fragment.app.Fragment
+import com.hi.dhl.binding.viewbind
+import com.navinfo.jectpacklearn.databinding.FragmentLayoutCBinding
+
+class FragmentC: Fragment() {
+    val binding: FragmentLayoutCBinding by viewbind()
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+    }
+}

app/src/main/java/com/navinfo/jectpacklearn/lifecycle/LifeCycleTest.kt

@@ -0,0 +1,38 @@
+package com.navinfo.jectpacklearn.lifecycle
+
+import android.util.Log
+import androidx.lifecycle.DefaultLifecycleObserver
+import androidx.lifecycle.LifecycleObserver
+import androidx.lifecycle.LifecycleOwner
+
+class LifeCycleTest: DefaultLifecycleObserver {
+    override fun onCreate(owner: LifecycleOwner) {
+        super.onCreate(owner)
+        Log.d(javaClass.name, "onCreate")
+    }
+
+    override fun onStart(owner: LifecycleOwner) {
+        super.onStart(owner)
+        Log.d(javaClass.name, "onStart")
+    }
+
+    override fun onResume(owner: LifecycleOwner) {
+        super.onResume(owner)
+        Log.d(javaClass.name, "onResume")
+    }
+
+    override fun onPause(owner: LifecycleOwner) {
+        super.onPause(owner)
+        Log.d(javaClass.name, "onPause")
+    }
+
+    override fun onStop(owner: LifecycleOwner) {
+        super.onStop(owner)
+        Log.d(javaClass.name, "onStop")
+    }
+
+    override fun onDestroy(owner: LifecycleOwner) {
+        super.onDestroy(owner)
+        Log.d(javaClass.name, "onDestroy")
+    }
+}

app/src/main/java/com/navinfo/jectpacklearn/lifecycle/LiveDataViewModelLifeCycle.kt

@@ -0,0 +1,7 @@
+package com.navinfo.jectpacklearn.lifecycle
+
+import androidx.lifecycle.DefaultLifecycleObserver
+
+class LiveDataViewModelLifeCycle: DefaultLifecycleObserver {
+
+}

app/src/main/java/com/navinfo/jectpacklearn/lifecycle/MyApplicationLifeCycle.kt

@@ -0,0 +1,36 @@
+package com.navinfo.jectpacklearn.lifecycle
+
+import androidx.lifecycle.DefaultLifecycleObserver
+import androidx.lifecycle.LifecycleOwner
+
+class MyApplicationLifeCycle: DefaultLifecycleObserver {
+    override fun onCreate(owner: LifecycleOwner) {
+        super.onCreate(owner)
+        println("${javaClass.name}：调用了定制化的onCreate方法")
+    }
+
+    override fun onStart(owner: LifecycleOwner) {
+        super.onStart(owner)
+        println("${javaClass.name}：调用了定制化的onStart方法")
+    }
+
+    override fun onResume(owner: LifecycleOwner) {
+        super.onResume(owner)
+        println("${javaClass.name}：调用了定制化的onResume方法")
+    }
+
+    override fun onPause(owner: LifecycleOwner) {
+        super.onPause(owner)
+        println("${javaClass.name}：调用了定制化的onPause方法")
+    }
+
+    override fun onStop(owner: LifecycleOwner) {
+        super.onStop(owner)
+        println("${javaClass.name}：调用了定制化的onStop方法")
+    }
+
+    override fun onDestroy(owner: LifecycleOwner) {
+        super.onDestroy(owner)
+        println("${javaClass.name}：调用了定制化的onDestroy方法")
+    }
+}

app/src/main/java/com/navinfo/jectpacklearn/lifecycle/MyLifeCycle.kt

@@ -0,0 +1,38 @@
+package com.navinfo.jectpacklearn.lifecycle
+
+import androidx.lifecycle.DefaultLifecycleObserver
+import androidx.lifecycle.LifecycleCoroutineScope
+import androidx.lifecycle.LifecycleOwner
+
+class MyLifeCycle: DefaultLifecycleObserver {
+    override fun onCreate(owner: LifecycleOwner) {
+        super.onCreate(owner)
+        println("调用了定制化的onCreate方法")
+    }
+
+    override fun onStart(owner: LifecycleOwner) {
+        super.onStart(owner)
+        println("调用了定制化的onStart方法")
+    }
+
+    override fun onResume(owner: LifecycleOwner) {
+        super.onResume(owner)
+        println("调用了定制化的onResume方法")
+    }
+
+    override fun onPause(owner: LifecycleOwner) {
+        super.onPause(owner)
+        println("调用了定制化的onPause方法")
+    }
+
+    override fun onStop(owner: LifecycleOwner) {
+        super.onStop(owner)
+        println("调用了定制化的onStop方法")
+    }
+
+    override fun onDestroy(owner: LifecycleOwner) {
+        super.onDestroy(owner)
+        println("调用了定制化的onDestroy方法")
+    }
+
+}

app/src/main/java/com/navinfo/jectpacklearn/viewmodel/LiveDataViewModel.kt

@@ -0,0 +1,9 @@
+package com.navinfo.jectpacklearn.viewmodel
+
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import com.navinfo.LiveDataModel
+
+class LiveDataViewModel: ViewModel() {
+    val liveDataModel= MutableLiveData<LiveDataModel>()
+}

app/src/main/java/com/navinfo/jectpacklearn/viewmodel/MainViewModel.kt

@@ -0,0 +1,10 @@
+package com.navinfo.jectpacklearn.viewmodel
+
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+
+class MainViewModel: ViewModel(){
+    var account: MutableLiveData<String> = MutableLiveData()
+    var pwd: MutableLiveData<String> = MutableLiveData()
+
+}

app/src/main/res/drawable-v24/ic_launcher_foreground.xml

@@ -0,0 +1,30 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="85.84757"
+                android:endY="92.4963"
+                android:startX="42.9492"
+                android:startY="49.59793"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>

app/src/main/res/drawable/ic_launcher_background.xml

@@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#3DDC84"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+</vector>

app/src/main/res/layout/activity_lifecycle.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <com.google.android.material.textview.MaterialTextView
+        android:id="@+id/tv_lifecycle_name"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="lifecycle"
+        app:layout_constraintTop_toTopOf="parent"></com.google.android.material.textview.MaterialTextView>
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/activity_main.xml

@@ -0,0 +1,68 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout 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:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".MainActivity">
+
+    <com.google.android.material.textfield.TextInputLayout
+        android:id="@+id/layer_account"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent">
+        <com.google.android.material.textfield.TextInputEditText
+            android:id="@+id/edt_account"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:hint="账号"></com.google.android.material.textfield.TextInputEditText>
+    </com.google.android.material.textfield.TextInputLayout>
+    <com.google.android.material.divider.MaterialDivider
+        android:id="@+id/divder"
+        android:layout_width="match_parent"
+        android:layout_height="5dp"
+        app:layout_constraintTop_toBottomOf="@id/layer_account"></com.google.android.material.divider.MaterialDivider>
+    <com.google.android.material.textfield.TextInputLayout
+        android:id="@+id/layer_pwd"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:layout_constraintTop_toBottomOf="@id/divder">
+        <com.google.android.material.textfield.TextInputEditText
+            android:id="@+id/edt_pwd"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:inputType="textPassword"
+            android:hint="密码"></com.google.android.material.textfield.TextInputEditText>
+    </com.google.android.material.textfield.TextInputLayout>
+
+    <com.google.android.material.button.MaterialButton
+        android:id="@+id/btn_login"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:layout_constraintTop_toBottomOf="@id/layer_pwd"
+        android:text="登录"
+        ></com.google.android.material.button.MaterialButton>
+    <com.google.android.material.button.MaterialButton
+        android:id="@+id/btn_corutine"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="协程测试"
+        app:layout_constraintTop_toBottomOf="@id/btn_login"/>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:layout_constraintBottom_toBottomOf="parent"
+        android:orientation="vertical">
+        <androidx.appcompat.widget.AppCompatTextView
+            android:id="@+id/tv_account"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"></androidx.appcompat.widget.AppCompatTextView>
+        <androidx.appcompat.widget.AppCompatTextView
+            android:id="@+id/tv_pwd"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"></androidx.appcompat.widget.AppCompatTextView>
+    </LinearLayout>
+
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/activity_start.xml

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+    <com.google.android.material.button.MaterialButton
+        android:id="@+id/btn_start_2_navigation"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:textAllCaps="false"
+        android:text="Jetpack-Navigation">
+    </com.google.android.material.button.MaterialButton>
+
+    <com.google.android.material.button.MaterialButton
+        android:id="@+id/btn_start_2_lifecycle"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:textAllCaps="false"
+        android:text="Jetpack-lifecycle">
+    </com.google.android.material.button.MaterialButton>
+
+    <com.google.android.material.button.MaterialButton
+        android:id="@+id/btn_start_2_viewmodel"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:textAllCaps="false"
+        android:text="Jetpack-lifecycle">
+    </com.google.android.material.button.MaterialButton>
+</LinearLayout>

app/src/main/res/layout/bind_view_test_activity.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <com.google.android.material.textview.MaterialTextView
+        android:id="@+id/tv_bind_text"
+        android:layout_width="match_parent"
+        android:text="1111"
+        android:textColor="@color/black"
+        android:layout_height="wrap_content"></com.google.android.material.textview.MaterialTextView>
+</LinearLayout>

app/src/main/res/layout/fragment_layout_a.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+    <com.google.android.material.textview.MaterialTextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="FragmentA"></com.google.android.material.textview.MaterialTextView>
+</LinearLayout>

app/src/main/res/layout/fragment_layout_b.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+    <com.google.android.material.textview.MaterialTextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="FragmentB"></com.google.android.material.textview.MaterialTextView>
+</LinearLayout>

app/src/main/res/layout/fragment_layout_c.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+    <com.google.android.material.textview.MaterialTextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="FragmentC"></com.google.android.material.textview.MaterialTextView>
+</LinearLayout>

app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>

app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>

app/src/main/res/navigation/jetpack_navigation.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<navigation xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:id="@+id/jetpack_navigation">
+
+    <fragment android:id="@+id/fragmentA"
+        ></fragment>
+</navigation>

app/src/main/res/values-night/themes.xml

@@ -0,0 +1,16 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.JectPackLearn" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+        <!-- Primary brand color. -->
+        <item name="colorPrimary">@color/purple_200</item>
+        <item name="colorPrimaryVariant">@color/purple_700</item>
+        <item name="colorOnPrimary">@color/black</item>
+        <!-- Secondary brand color. -->
+        <item name="colorSecondary">@color/teal_200</item>
+        <item name="colorSecondaryVariant">@color/teal_200</item>
+        <item name="colorOnSecondary">@color/black</item>
+        <!-- Status bar color. -->
+        <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+    </style>
+</resources>

app/src/main/res/values/colors.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="purple_200">#FFBB86FC</color>
+    <color name="purple_500">#FF6200EE</color>
+    <color name="purple_700">#FF3700B3</color>
+    <color name="teal_200">#FF03DAC5</color>
+    <color name="teal_700">#FF018786</color>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
+</resources>

app/src/main/res/values/strings.xml

@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">JectPackLearn</string>
+</resources>

app/src/main/res/values/themes.xml

@@ -0,0 +1,16 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.JectPackLearn" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+        <!-- Primary brand color. -->
+        <item name="colorPrimary">@color/purple_500</item>
+        <item name="colorPrimaryVariant">@color/purple_700</item>
+        <item name="colorOnPrimary">@color/white</item>
+        <!-- Secondary brand color. -->
+        <item name="colorSecondary">@color/teal_200</item>
+        <item name="colorSecondaryVariant">@color/teal_700</item>
+        <item name="colorOnSecondary">@color/black</item>
+        <!-- Status bar color. -->
+        <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+    </style>
+</resources>

app/src/test/java/com/navinfo/jectpacklearn/ExampleUnitTest.kt

@@ -0,0 +1,17 @@
+package com.navinfo.jectpacklearn
+
+import org.junit.Test
+
+import org.junit.Assert.*
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+class ExampleUnitTest {
+    @Test
+    fun addition_isCorrect() {
+        assertEquals(4, 2 + 2)
+    }
+}

build.gradle

@@ -0,0 +1,10 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+plugins {
+    id 'com.android.application' version '7.1.1' apply false
+    id 'com.android.library' version '7.1.1' apply false
+    id 'org.jetbrains.kotlin.android' version '1.5.30' apply false
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}

gradle.properties

@@ -0,0 +1,23 @@
+# 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=-Xmx2048m -Dfile.encoding=UTF-8
+# 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
+# Kotlin code style for this project: "official" or "obsolete":
+kotlin.code.style=official
+# Enables namespacing of each library's R class so that its R class includes only the
+# resources declared in the library itself and none from the library's dependencies,
+# thereby reducing the size of the R class for that library
+android.nonTransitiveRClass=true

gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,6 @@
+#Mon Mar 07 11:08:25 CST 2022
+distributionBase=GRADLE_USER_HOME
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-bin.zip
+distributionPath=wrapper/dists
+zipStorePath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME

gradlew

@@ -0,0 +1,185 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+##
+##  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 "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+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 or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; 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=`expr $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"
+
+exec "$JAVACMD" "$@"

gradlew.bat

@@ -0,0 +1,89 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@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 Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@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="-Xmx64m" "-Xms64m"
+
+@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 execute
+
+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 execute
+
+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
+
+: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 %*
+
+: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

settings.gradle

@@ -0,0 +1,20 @@
+pluginManagement {
+    repositories {
+        gradlePluginPortal()
+        google()
+        mavenCentral()
+        // aliyun center 包含 mavenCentral 和  jcenter
+        maven { url "https://maven.aliyun.com/repository/public" }
+    }
+}
+dependencyResolutionManagement {
+    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+    repositories {
+        google()
+        mavenCentral()
+        // aliyun center 包含 mavenCentral 和  jcenter
+        maven { url "https://maven.aliyun.com/repository/public" }
+    }
+}
+rootProject.name = "JectPackLearn"
+include ':app'