first submit

.gitignore

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+*.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

README.md

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+# QLiveMessage
+
+## 简介：
+
+下拉拖拽关闭Activity，下拉返回Activity。仿大众点评、快手、小红书详情界面：可下滑关闭详情界面。
+Drag down to close activity
+
+## 安装体验：
+![](https://upload-images.jianshu.io/upload_images/26002059-94273eadb7cf0295.png)
+
+## 功能（优点）：
+- ✅Demo包含`瀑布列表跳转到详情，带动画`+`详情可左滑进入个人主页`+`下拉拖拽关闭Activity`
+- ✅到为了让Activity的xml布局层级最少，只需要把本库设置为最外层的RelativeLayout
+- ✅仿大众点评：下拉过程中除了图片，别的部分随着下拉距离而半透明
+- ✅仿快手：fling快速下滑也可触发关闭
+- ✅详情界面可左滑进入个人主页，你可以自己实现懒加载
+- ✅解决下拉返回ImageView闪一下问题
+- ✅完美解耦，可轻松让你的任何Activity实现下拉关闭效果
+
+## 作者说明：
+- Android系统的Activity过场动画会让shareElementImageView.setAlpha(0)；然后回退动画结束再进行.setAlpha(1)<bar />
+- 这样会导致一个问题：我们下拉返回的时候，由于弹回动画是我们自己做的。但是系统依然会再进行一遍.setAlpha(1)，导致回弹动画结束时候图片会闪一下。参考下面的第1个gif<bar />
+- 为了解决"闪一下"的问题，我用这种方法把他提前设为.setAlpha(1)<bar />
+
+
+## 效果gif图（Gif图有点卡，实际运行一点都不卡）：
+![](https://upload-images.jianshu.io/upload_images/26002059-96c272f540bddb21.gif)
+![](https://upload-images.jianshu.io/upload_images/26002059-da019a1de650eca8.gif)
+
+## 导入
+```
+	allprojects {
+		repositories {
+			...
+			maven { url 'https://jitpack.io' }
+		}
+	}
+
+	dependencies {
+	        implementation 'com.github.QDong415:QLiveMessage:v1.0.1'
+	}
+```
+
+## 使用
+
+```java
+        QDragRelativeLayout contentLayout = findViewById(R.id.drag_layout);
+        contentLayout.setOnLiveMessageListener(this);
+        //传入列表的点击项目的ImageView的坐标
+        contentLayout.setupFromImageView(fromX, fromY, fromWidth, fromHeight, transition_share_view);
+```
+
+```xml
+    <declare-styleable name="QLiveMessage">
+        <!-- 是否可以手势下拉，默认true -->
+        <attr name="dragEnable" format="boolean" />
+        <!-- 下拉距离占总height百分之多少就触发关闭，0 - 1之间，默认0.2 -->
+        <attr name="closeYRatio" format="float" />
+        <!-- 手指快速下滑也可以触发关闭，默认true -->
+        <attr name="flingCloseEnable" format="boolean" />
+        <!-- 手势下拉过程中，其他View根据滑动距离半透明，默认false -->
+        <attr name="alphaWhenDragging" format="boolean" />
+        <!-- 关闭动画耗时，默认450 -->
+        <attr name="closeAnimationDuration" format="integer" />
+        <!-- 下拉力度不够，反弹回正常状态动画耗时，默认200 -->
+        <attr name="rollToNormalAnimationDuration" format="integer" />
+    </declare-styleable>
+```
+
+
+## Author：DQ
+
+有问题联系QQ：285275534, 285275534@qq.com

app/.gitignore

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+/build

app/build.gradle

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+plugins {
+    id 'com.android.application'
+    id 'kotlin-android'
+}
+
+android {
+    compileSdk 31
+
+    defaultConfig {
+        applicationId "com.dq.livemessagedemo"
+        minSdk 21
+        targetSdk 31
+        versionCode 1
+        versionName "1.0.1"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+}
+
+dependencies {
+
+    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+
+    implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation 'com.google.android.material:material:1.3.0'
+    testImplementation 'junit:junit:4.+'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.2'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
+
+    // Retrofit
+    implementation 'com.squareup.retrofit2:retrofit:2.9.0'
+    implementation 'com.squareup.retrofit2:converter-moshi:2.9.0'
+
+    //性能监控 kotlin编译插件为1.3.72； 支持Gradle 6.8及以下
+    debugImplementation 'io.github.didi.dokit:dokitx:3.5.0.1'
+
+    implementation project(path: ':liveMessage')
+
+}

app/proguard-rules.pro

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+# 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/release/output-metadata.json

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+{
+  "version": 2,
+  "artifactType": {
+    "type": "APK",
+    "kind": "Directory"
+  },
+  "applicationId": "com.dq.livemessagedemo",
+  "variantName": "processReleaseResources",
+  "elements": [
+    {
+      "type": "SINGLE",
+      "filters": [],
+      "versionCode": 1,
+      "versionName": "1.0.1",
+      "outputFile": "app-release.apk"
+    }
+  ]
+}

app/src/androidTest/java/com/dq/livemessagedemo/ExampleInstrumentedTest.java

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+package com.dq.livemessagedemo;
+
+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 <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
+        assertEquals("com.dq.livemessagedemo", appContext.getPackageName());
+    }
+}

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.dq.livemessagedemo">
+
+    <application
+        android:name="com.dq.livemessagedemo.tool.QApplication"
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.LiveMessageDemo">
+
+        <activity
+            android:name=".RootActivity"
+            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=".LiveActivity"
+            android:screenOrientation="portrait" />
+
+    </application>
+
+    <uses-permission android:name="android.permission.INTERNET" />
+
+</manifest>