commit code

app/build.gradle

@@ -30,7 +30,10 @@ dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
     implementation 'androidx.appcompat:appcompat:1.1.0'
     implementation 'androidx.core:core-ktx:1.2.0'
-    testImplementation 'junit:junit:4.12'
+    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+    testImplementation 'junit:junit:4.13'
     androidTestImplementation 'androidx.test.ext:junit:1.1.1'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+
+    implementation project(":library")
 }

app/src/main/AndroidManifest.xml

@@ -1,11 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.simplation.xpermission">
 
+    <uses-permission android:name="android.permission.CALL_PHONE" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.CAMERA" />
+
     <application
         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/AppTheme" />
-</manifest>
+        android:theme="@style/AppTheme">
+
+        <activity android:name=".MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+    </application>
+
+</manifest>

app/src/main/java/com/simplation/xpermission/MainActivity.kt

@@ -0,0 +1,41 @@
+package com.simplation.xpermission
+
+import android.Manifest
+import android.annotation.SuppressLint
+import android.content.Intent
+import android.net.Uri
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+import android.widget.Toast
+import com.simplation.library.XPermission
+import kotlinx.android.synthetic.main.activity_main.*
+
+class MainActivity : AppCompatActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+
+        makeCallBtn.setOnClickListener {
+            XPermission.request(
+                this,
+                Manifest.permission.CALL_PHONE,
+                Manifest.permission.CAMERA,
+                Manifest.permission.WRITE_EXTERNAL_STORAGE
+            ) { allGranted, deniedList ->
+                if (allGranted) {
+                    call()
+                } else {
+                    Toast.makeText(this, "You defined $deniedList", Toast.LENGTH_SHORT).show()
+                }
+
+            }
+        }
+    }
+
+    private fun call() {
+        val intent = Intent(Intent.ACTION_CALL)
+        intent.data = Uri.parse("tel:10086")
+        startActivity(intent)
+    }
+}

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

@@ -0,0 +1,20 @@
+<?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">
+
+    <Button
+        android:id="@+id/makeCallBtn"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="makeCallBtn"
+        android:textAllCaps="false"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

build.gradle

@@ -13,6 +13,9 @@ buildscript {
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
+
+        // 添加 maven 插件
+        classpath 'com.github.dcendents:android-maven-gradle-plugin:2.1'
     }
 }
 

library/.gitignore

@@ -0,0 +1 @@
+/build

library/build.gradle

@@ -0,0 +1,41 @@
+apply plugin: 'com.android.library'
+apply plugin: 'kotlin-android'
+apply plugin: 'kotlin-android-extensions'
+
+// 添加下面两行
+apply plugin: 'com.github.dcendents.android-maven'
+// 这里 LoveLifeEveryday 改为你的 github 账号名
+group = 'com.github.Simplation'
+
+android {
+    compileSdkVersion 29
+    buildToolsVersion "29.0.3"
+
+    defaultConfig {
+        minSdkVersion 21
+        targetSdkVersion 29
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        consumerProguardFiles 'consumer-rules.pro'
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation 'androidx.appcompat:appcompat:1.1.0'
+    implementation 'androidx.core:core-ktx:1.2.0'
+    testImplementation 'junit:junit:4.13'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+}

library/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

library/src/androidTest/java/com/simplation/library/ExampleInstrumentedTest.kt

@@ -0,0 +1,24 @@
+package com.simplation.library
+
+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.simplation.mylibrary.test", appContext.packageName)
+    }
+}

library/src/main/AndroidManifest.xml

@@ -0,0 +1,2 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.simplation.library" />

library/src/main/java/com/simplation/library/InvisibleFragment.kt

@@ -0,0 +1,56 @@
+package com.simplation.library
+
+import android.content.pm.PackageManager
+import androidx.fragment.app.Fragment
+
+/**
+ * @作者: W ◕‿-｡ Z
+ * @日期: 2020/5/25 19:38
+ * @描述: 运行时权限的实现思路，有以下三种：
+ *          1. 将运行时权限的操作封装到 BaseActivity 中
+ *          2. 提供一个透明的 Activity 来处理
+ *          3. 提供一个隐藏的 Fragment 来处理  (使用)
+ * @更新:
+ */
+
+typealias PermissionCallback = (Boolean, List<String>) -> Unit
+
+class InvisibleFragment : Fragment() {
+
+    private var callback: PermissionCallback? = null
+
+    fun requestNow(cb: PermissionCallback, vararg permission: String) {
+        callback = cb
+
+        requestPermissions(permission, 1)
+    }
+
+    /**
+     * 请求返回结果
+     * @param requestCode Int 请求码
+     * @param permissions Array<String> 权限
+     * @param grantResults IntArray 请求结果
+     */
+    override fun onRequestPermissionsResult(
+        requestCode: Int,
+        permissions: Array<out String>,
+        grantResults: IntArray
+    ) {
+        if (requestCode == 1) {
+            val deniedList = ArrayList<String>()
+
+            for ((index, result) in grantResults.withIndex()) {
+                if (result != PackageManager.PERMISSION_GRANTED) {
+                    deniedList.add(permissions[index])
+                }
+            }
+
+            val allGranted = deniedList.isEmpty()
+
+            // 对申请权限的结果进行回调
+            callback?.let {
+                it(allGranted, deniedList)
+            }
+        }
+    }
+}

library/src/main/java/com/simplation/library/XPermission.kt

@@ -0,0 +1,33 @@
+package com.simplation.library
+
+import androidx.fragment.app.FragmentActivity
+
+/**
+ * @作者: W ◕‿-｡ Z
+ * @日期: 2020/5/25 19:50
+ * @描述:
+ * @更新:
+ */
+object XPermission {
+    private const val TAG = "InvisibleFragment"
+
+    fun request(
+        activity: FragmentActivity,
+        vararg permission: String,
+        callback: PermissionCallback
+    ) {
+        val fragmentManager = activity.supportFragmentManager
+        val exitFragment = fragmentManager.findFragmentByTag(TAG)
+
+        val fragment = if (exitFragment != null) {
+            exitFragment as InvisibleFragment
+        } else {
+            val invisibleFragment = InvisibleFragment()
+            fragmentManager.beginTransaction().add(invisibleFragment, TAG).commitNow()
+            invisibleFragment
+        }
+
+        // 这里在 permission 前面加个星号的意思是：将数组转化为可变长度参数传递过去
+        fragment.requestNow(callback, *permission)
+    }
+}

library/src/test/java/com/simplation/library/ExampleUnitTest.kt

@@ -0,0 +1,17 @@
+package com.simplation.library
+
+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)
+    }
+}

settings.gradle

@@ -1,2 +1,3 @@
 rootProject.name='XPermission'
 include ':app'
+include ':library'