After renaming package my project showing error while building in android

问题

After renaming package my project showing error while building in android.

I used this: Android Studio Rename Package for renaming my project and after that it started getting these errors:

Error:The number of method references in a .dex file cannot exceed 64K.
Learn how to resolve this issue at https://developer.android.com/tools/building/multidex.html

Error:Execution failed for task ':app:transformClassesWithDexForDebug'.
> com.android.build.api.transform.TransformException: com.android.ide.common.process.ProcessException: java.util.concurrent.ExecutionException: java.lang.UnsupportedOperationException

then i used https://developer.android.com/tools/building/multidex.html for resolving first error but that also didn't work.

So i restarted Android Studio and then again tried to build but same error occured.

then i tried to undo back to old package name but nothing good happened..... please help!...

Thanks in advance......

回答1:

firstly add build.gradle below code

dependencies {//just add below one in dependency
compile 'com.android.support:multidex:1.0.0' ....//no change your old jar file.....}

then

android {
compileSdkVersion 24
buildToolsVersion '24.0.1'
defaultConfig {
    applicationId "your pkg name"
    minSdkVersion 15
    targetSdkVersion 24
    versionCode 6
    versionName "v2.5.2.2"
    multiDexEnabled true // just add it
}
buildTypes {
    release {
        minifyEnabled false
        proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
    }
}
productFlavors {
}
dexOptions { //add it
    javaMaxHeapSize "4g"
}}

in manifest file

<application
android:name=".Education_multidex" //add what ur create java file
android:allowBackup="true"
android:icon="@drawable/rvms_education_luncher"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/AppTheme"> ....</application>

then create and add one java file like Education_multidex.java

public class Education_multidex extends MultiDexApplication {/* @Override
protected void attachBaseContext(Context base) {
    super.attachBaseContext(base);
    MultiDex.install(this);
}*/}

finaly build your app then add import some lib in above java file

回答2:

can you please just add below code in your build.gradle

android {

    defaultConfig {
        ...

        // Enabling multidex support.
        multiDexEnabled true
    }
    ...
}

dependencies {
  compile 'com.android.support:multidex:1.0.0'
}

and in your ApplicationClass add below code.

@Override
protected void attachBaseContext(Context newBase) {
    super.attachBaseContext(newBase);
    MultiDex.install(this);
}

I think there's a separate way to raise the heap limit of the dexing operation. Add this to your android closure in your build.gradle file:

dexOptions {
    javaMaxHeapSize "4g"
}

来源：https://stackoverflow.com/questions/42672026/after-renaming-package-my-project-showing-error-while-building-in-android

标签

android

android-studio

android-gradle-plugin

packages