android studio 错误集合及使用

1、问题出现原因android studio中libs下加入了ant.jar

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Error:Execution failed for task ':app:transformClassesWithDexForDebug'.

> com.android.build.api.transform.TransformException: com.android.ide.common.process.ProcessException: org.gradle.process.internal.ExecException: Process 'command 'C:\Program Files\Java\jdk1.8.0_65\bin\java.exe'' finished with non-zero exit value 2

解决方式:

在build.gradle中添加

defaultConfig {

multiDexEnabled true

}

---

2、问题出现原因android studio中libs下加入了ant.jar运行程序，5.0系统正常，4.4系统运行报错如下

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java.lang.NoClassDefFoundError: retrofit.BuiltInConverters

at retrofit.Retrofit$Builder.(Retrofit.java:290)

at com.jzg.jcpt.app.AppContext.initHttp(AppContext.java:173)

at com.jzg.jcpt.app.AppContext.onCreate(AppContext.java:127)

at android.app.Instrumentation.callApplicationOnCreate(Instrumentation.java:1007)

at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4394)

at android.app.ActivityThread.access$1600(ActivityThread.java:141)

at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1273)

at android.os.Handler.dispatchMessage(Handler.java:102)

at android.os.Looper.loop(Looper.java:136)

at android.app.ActivityThread.main(ActivityThread.java:5072)

at java.lang.reflect.Method.invokeNative(Native Method)

at java.lang.reflect.Method.invoke(Method.java:515)

at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)

at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:609)

at dalvik.system.NativeStart.main(Native Method)

解决方式:

1、build.gradle中增加compile'com.android.support:multidex:1.0.0'

2、增加

defaultConfig {

multiDexEnabled true

}

3、Application中增加

@Override

protected void attachBaseContext(Context context){

super.attachBaseContext(context);

MultiDex.install(this);}

或者o'nCreate()中增加

3、错误原因Gradle版本太老

Error:(1, 0) Plugin is too old, please update to a more recent version, or set ANDROID_DAILY_OVERRIDE environment variable to "fe895e69480f73242f848a0292c2a5feab8b7328"

解决方式:

在http://services.gradle.org/distributions下载最新的版本

4、错误原因Gradle DSL method not found: 'runProguard()'是因为runProguard方法已经过时

解决方式:

build.gradle文件中把runProguard替换成minifyEnabled

5、生成main方法

psvm快捷键TAB就可以生成main方法了