Question

apply plugin: 'com.android.application'

android {
    compileSdkVersion 19
    buildToolsVersion "22.0.1"


    defaultConfig {
        applicationId "com.myapp.new"
        minSdkVersion 19
        targetSdkVersion 19
        versionCode 51
        versionName "2.0.5"
    }



    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.org'
        }
    }
}


compileOptions {
    sourceCompatibility JavaVersion.VERSION_1_7
    targetCompatibsility JavaVersion.VERSION_1_7
}



dependencies {
    //testCompile 'junit:junit:4.12'

    //compile 'com.android.support:appcompat-v7:19.0.0'

}

################################################################################
Task.java

package bolts;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.Callable;
import java.util.concurrent.CancellationException;
import java.util.concurrent.Executor;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;

/**
 * Represents the result of an asynchronous operation.
 * 
 * @param <TResult>
 *          The type of the result of the task.
 */
public class Task<TResult> {
  /**
   * An {@link java.util.concurrent.Executor} that executes tasks in parallel.
   */
  public static final ExecutorService BACKGROUND_EXECUTOR = BoltsExecutors.background();

  /**
   * An {@link java.util.concurrent.Executor} that executes tasks in the current thread unless
   * the stack runs too deep, at which point it will delegate to {@link Task#BACKGROUND_EXECUTOR} in
   * order to trim the stack.
   */
  private static final Executor IMMEDIATE_EXECUTOR = BoltsExecutors.immediate();

  /**
   * An {@link java.util.concurrent.Executor} that executes tasks on the UI thread.
   */
  public static final Executor UI_THREAD_EXECUTOR = AndroidExecutors.uiThread();

  /**
   * Interface for handlers invoked when a failed {@code Task} is about to be
   * finalized, but the exception has not been consumed.
   *
   * <p>The handler will execute in the GC thread, so if the handler needs to do
   * anything time consuming or complex it is a good idea to fire off a {@code Task}
   * to handle the exception.
   *
   * @see #getUnobservedExceptionHandler
   * @see #setUnobservedExceptionHandler
   */
  public interface UnobservedExceptionHandler {
    /**
     * Method invoked when the given task has an unobserved exception.
     * <p>Any exception thrown by this method will be ignored.
     * @param t the task
     * @param e the exception
     */
    void unobservedException(Task<?> t, UnobservedTaskException e);
  }

  // null unless explicitly set
  private static volatile UnobservedExceptionHandler unobservedExceptionHandler;

  /**
   * Returns the handler invoked when a task has an unobserved
   * exception or {@code null}.
   */
  public static UnobservedExceptionHandler getUnobservedExceptionHandler() {
    return unobservedExceptionHandler;

即使在下载了jdk 1.7并安装它之后，我仍然有这个错误

错误：（27,0）未找到Gradle DSL方法：'compileOptions（）' 可能的原因：项目'app'可能正在使用不包含该方法的Android Gradle插件版本（例如，在1.1.0中添加了'testCompile'）。 fixGradleElements＆gt;修复插件版本和同步项目项目“app”可能正在使用不包含该方法的Gradle版本。 open.wrapper.file＆gt;打开Gradle包装器文件。构建文件可能缺少Gradle插件。 apply.gradle.plugin“＆gt; Apply Gradle plugin

Answer 1

此属性targetCompatibsility将引发您的问题，必须为targetCompatibility

compileOptions {
    sourceCompatibility JavaVersion.VERSION_1_7
    targetCompatibility JavaVersion.VERSION_1_7
}

不过，您确定不需要在build.gradle文件中定义一些依赖项：

dependencies {

      ???
}

Answer 2

虽然你有一个错字，真正的问题是：

compileOptions {
    sourceCompatibility JavaVersion.VERSION_1_7
    targetCompatibility JavaVersion.VERSION_1_7
}

应该在android {}闭包内，如下所示：

android {
    compileSdkVersion 19
    buildToolsVersion "22.0.1"


    defaultConfig {
        applicationId "com.myapp.new"
        minSdkVersion 19
        targetSdkVersion 19
        versionCode 51
        versionName "2.0.5"
    }

    //FIX
    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_7
        targetCompatibility JavaVersion.VERSION_1_7
    }

    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.org'
        }
    }
}

未找到Gradle DSL方法：'compileOptions（）'

2 个答案: