Added gradle related stuffs and refactored .gradle files for workflow

Author: KingMahmud

app/build.gradle

@@ -2,29 +2,32 @@ apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion 29
+    buildToolsVersion '32.0.0 rc1'
     defaultConfig {
         applicationId "com.ratul.topactivity"
-        minSdkVersion 14
-        targetSdkVersion 25
+        minSdkVersion 24
+        targetSdkVersion 31
         versionCode 15
         versionName "1.5.5"
     }
 
     buildTypes {
         release {
+            debuggable false
             minifyEnabled true
             shrinkResources true
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
         debug {
             debuggable true
-            minifyEnabled true
-            shrinkResources true
+            minifyEnabled false
+            shrinkResources false
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
     }
 }
 
 dependencies {
+    // todo : use AndroidX
     implementation 'com.android.support:support-v4:25.4.0'
 }

app/build.json

@@ -2,16 +2,16 @@
 buildscript {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.3'
+        classpath 'com.android.tools.build:gradle:7.1.2'
     }
 }
 
 allprojects {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
 }