Konnte nicht alle Abhängigkeiten für die Konfiguration lösen ': app: _debugCompile' - android

Ich versuche Google Maps in meiner Android App zu verwenden. Ich habe die Google Play-Dienste installiert und den API-Schlüssel erworben. Ich verstehe nicht, warum ich diese Fehlermeldung bekomme! Ich denke, sie beschwert sich über Folgendes.

    <meta-data
android:name="com.google.android.gms.version"
android:value="@integer/google_play_services_version" />

Fehlermeldung:

  Error:A problem occurred configuring project ":app".
> Could not resolve all dependencies for configuration ":app:_debugCompile".
> Could not find com.android.support:support-v4:22.0.0.
Searched in the following locations:
https://jcenter.bintray.com/com/android/support/support-v4/22.0.0/support-v4-22.0.0.pom
https://jcenter.bintray.com/com/android/support/support-v4/22.0.0/support-v4-22.0.0.aar
file:/C:/Users/Ammar/AppData/Local/Android/Sdk/extras/android/m2repository/com/android/support/support-v4/22.0.0/support-v4-22.0.0.pom
file:/C:/Users/Ammar/AppData/Local/Android/Sdk/extras/android/m2repository/com/android/support/support-v4/22.0.0/support-v4-22.0.0.aar
file:/C:/Users/Ammar/AppData/Local/Android/Sdk/extras/google/m2repository/com/android/support/support-v4/22.0.0/support-v4-22.0.0.pom
file:/C:/Users/Ammar/AppData/Local/Android/Sdk/extras/google/m2repository/com/android/support/support-v4/22.0.0/support-v4-22.0.0.aar
Required by:
Client:app:unspecified > com.android.support:appcompat-v7:21.0.3
> Could not find com.android.support:support-v4:22.0.0.
Searched in the following locations:
https://jcenter.bintray.com/com/android/support/support-v4/22.0.0/support-v4-22.0.0.pom
https://jcenter.bintray.com/com/android/support/support-v4/22.0.0/support-v4-22.0.0.aar
file:/C:/Users/Ammar/AppData/Local/Android/Sdk/extras/android/m2repository/com/android/support/support-v4/22.0.0/support-v4-22.0.0.pom
file:/C:/Users/Ammar/AppData/Local/Android/Sdk/extras/android/m2repository/com/android/support/support-v4/22.0.0/support-v4-22.0.0.aar
file:/C:/Users/Ammar/AppData/Local/Android/Sdk/extras/google/m2repository/com/android/support/support-v4/22.0.0/support-v4-22.0.0.pom
file:/C:/Users/Ammar/AppData/Local/Android/Sdk/extras/google/m2repository/com/android/support/support-v4/22.0.0/support-v4-22.0.0.aar
Required by:
Client:app:unspecified > com.google.android.gms:play-services:7.0.0 > com.google.android.gms:play-services-base:7.0.0

Antworten:

Offensichtlich sucht es nach v4 (com.android.support:support-v4) jar. Hast du es in deinem Build-Pfad?

Für Android Studio, in Ihrer Datei in dependencies Block, füge folgende Zeile hinzu

dependencies {
compile "com.android.support:support-v4:22.0.+"
// your other dependencies as well

}

Und stellen Sie sicher, dass Sie die Android-Support-Bibliothek vom SDK-Manager heruntergeladen haben. Wenn Sie es nicht schon getan haben, lesen Sie die offizielle Dokumentation Support Bibliothek einrichten