title: ERROR: Failed to resolve: com.android.support:appcompat-v7:29.0.0
body: <blockquote>
    <blockquote>
      <p>I have installed android 3.4.1 and after that i was setting up my android sdk 29
      after that got stop and shows this error.</p>
    </blockquote>
  </blockquote>
  
  <p><strong>ERROR: Failed to resolve: com.android.support:appcompat-v7:29.0.0</strong>
  could you please help me out. </p>
  
  <blockquote>
    <p>build gradle module
        apply plugin: 'com.android.application'</p>
  </blockquote>
  
  <pre><code>android {
      compileSdkVersion 29
      buildToolsVersion "29.0.0"
      defaultConfig {
          applicationId "com.example.testing"
          minSdkVersion 15
          targetSdkVersion 29
          versionCode 1
          versionName "1.0"
          testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
      }
      buildTypes {
          release {
              minifyEnabled false
              proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
          }
      }
  }
  
  dependencies {
      implementation fileTree(dir: 'libs', include: ['*.jar'])
      implementation 'com.android.support:appcompat-v7:29.0.0'
      implementation 'com.android.support.constraint:constraint-layout:1.1.3'
      testImplementation 'junit:junit:4.12'
      androidTestImplementation 'com.android.support.test:runner:1.0.2'
      androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
  }
  </code></pre>
  
  <blockquote>
    <p>build gardle project</p>
  </blockquote>
  
  <pre><code> // Top-level build file where you can add configuration options common to all sub-projects/modules.
  
  buildscript {
      repositories {
          google()
          jcenter()
  
      }
      dependencies {
          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
      }
  }
  
  allprojects {
      repositories {
          google()
          jcenter()
  
      }
  }
  
  task clean(type: Delete) {
      delete rootProject.buildDir
  }
  </code></pre>