updated to android X + api 30

app/build.gradle

@@ -1,13 +1,13 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 21
-    buildToolsVersion "21.1.2"
+    compileSdkVersion 30
+    buildToolsVersion "30.0.2"
 
     defaultConfig {
         applicationId "es.claucookie.miniequalizersample"
         minSdkVersion 14
-        targetSdkVersion 21
+        targetSdkVersion 30
         versionCode 1
         versionName "1.0"
     }
@@ -20,7 +20,7 @@ android {
 }
 
 dependencies {
-    compile fileTree(dir: 'libs', include: ['*.jar'])
-    compile 'com.android.support:appcompat-v7:21.0.3'
-    compile project(':library')
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation 'com.google.android.material:material:1.2.1'
+    implementation project(':library')
 }

app/src/main/java/es/claucookie/miniequalizersample/MainActivity.java

@@ -1,16 +1,17 @@
 package es.claucookie.miniequalizersample;
 
-import android.support.v7.app.ActionBarActivity;
 import android.os.Bundle;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
 import android.widget.Button;
 
+import androidx.appcompat.app.AppCompatActivity;
+
 import es.claucookie.miniequalizerlibrary.EqualizerView;
 
 
-public class MainActivity extends ActionBarActivity {
+public class MainActivity extends AppCompatActivity {
 
     EqualizerView equalizer;
     Button toggleButton;
@@ -20,8 +21,8 @@ protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
 
-        equalizer = (EqualizerView) findViewById(R.id.equalizer_view);
-        toggleButton = (Button) findViewById(R.id.toggle_button);
+        equalizer = findViewById(R.id.equalizer_view);
+        toggleButton = findViewById(R.id.toggle_button);
         showEqualizer();
         initButton();
     }

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

@@ -18,7 +18,7 @@
         android:id="@+id/equalizer_view"
         android:layout_width="30dp"
         android:layout_height="30dp"
-        custom:foregroundColor="@color/link_text_material_light"
+        custom:foregroundColor="@color/eq_color"
         custom:animDuration="5000"/>
 
 </LinearLayout>

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

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="eq_color">#4caf50</color>
+</resources>

build.gradle

@@ -2,10 +2,11 @@
 
 buildscript {
     repositories {
+        google()
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:1.0.1'
+        classpath 'com.android.tools.build:gradle:4.0.1'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -15,5 +16,6 @@ buildscript {
 allprojects {
     repositories {
         jcenter()
+        google()
     }
 }

gradle.properties

@@ -20,5 +20,8 @@ SNAPSHOT_REPOSITORY_URL=https://oss.sonatype.org/content/repositories/snapshots
 RELEASE_REPOSITORY_URL=https://oss.sonatype.org/service/local/staging/deploy/maven2
 
 # sonatype properties are in ~/.gradle/gradle.properties
+android.useAndroidX=true
+# Automatically convert third-party libraries to use AndroidX
+android.enableJetifier=true
 
 

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,5 @@
-#Wed Apr 10 15:27:10 PDT 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.2.1-all.zip

library/build.gradle

@@ -1,22 +1,23 @@
 buildscript {
     repositories {
-        mavenCentral()
+        jcenter()
+        google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:1.0.1'
+        classpath 'com.android.tools.build:gradle:4.0.1'
     }
 }
 
 apply plugin: 'com.android.library'
 
 
 android {
-    compileSdkVersion 21
-    buildToolsVersion "21.1.2"
+    compileSdkVersion 30
+    buildToolsVersion "30.0.2"
 
     defaultConfig {
         minSdkVersion 14
-        targetSdkVersion 21
+        targetSdkVersion 30
     }
 
 }