Bump up Android Studio with up-to-date config.

UMLibrary/build.gradle

@@ -1,17 +1,15 @@
 apply plugin: 'com.android.library'
 
 android {
-    compileSdkVersion 26
-    buildToolsVersion "26.0.0"
+    compileSdkVersion 28
+    buildToolsVersion "28.0.3"
 
     defaultConfig {
         minSdkVersion 14
-        targetSdkVersion 26
+        //noinspection ExpiredTargetSdkVersion
+        targetSdkVersion 22
         versionCode 1
         versionName "1.0"
-
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
-
     }
     buildTypes {
         release {
@@ -31,9 +29,6 @@ android {
             jniLibs.srcDirs = ['libs']
         }
 
-        // Move the tests to tests/java, tests/res, etc...
-        instrumentTest.setRoot('tests')
-
         // Move the build types to build-types/<type>
         // For instance, build-types/debug/java, build-types/debug/AndroidManifest.xml, ...
         // This moves them out of them default location under src/<type>/... which would
@@ -46,6 +41,6 @@ android {
 }
 
 dependencies {
-    compile fileTree(dir: 'libs', include: ['*.jar'])
+    api fileTree(dir: 'libs', include: ['*.jar'])
 
 }

app/build.gradle

@@ -1,11 +1,12 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 26
-    buildToolsVersion '26.0.3'
+    compileSdkVersion 28
+    buildToolsVersion '28.0.3'
     defaultConfig {
         applicationId "com.umeng.soexample"
         minSdkVersion 18
+        //noinspection ExpiredTargetSdkVersion
         targetSdkVersion 22
         versionCode 1
         versionName "1.0"
@@ -36,7 +37,7 @@ dependencies {
 //    compile project(':push')
     //compile files('libs/umeng-analytics-7.4.1.jar')
     //compile files('libs/umeng-common-1.4.2.jar')
-    compile project(':UMLibrary')
-    compile 'com.twitter.sdk.android:twitter-core:3.1.1'
-    compile 'com.twitter.sdk.android:tweet-composer:3.1.1'
+    api project(':UMLibrary')
+    api 'com.twitter.sdk.android:twitter-core:3.1.1'
+    api 'com.twitter.sdk.android:tweet-composer:3.1.1'
 }

build.gradle

@@ -2,10 +2,11 @@
 
 buildscript {
     repositories {
+        google()
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.3.3'
+        classpath 'com.android.tools.build:gradle:3.4.1'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -14,6 +15,7 @@ buildscript {
 
 allprojects {
     repositories {
+        google()
         jcenter()
     }
 }

gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip