默認(rèn)初始化的React Native工程，生成Android工程的時(shí)候，包名默認(rèn)是React Native工程的名字，跟一般Android工程com.company.xxx不一樣。

這時(shí)候就需要手動(dòng)修改Android工程里面的包名信息：

如下：

首先修改React Native目錄下的MainActivity.java的包名，具體路徑是（android/app/src/main/java/com/PROJECT_NAME/MainActivity.java）

修改?package MY.COMPANY.APPID;

然后修改MainApplication.java的包名：具體路徑是(android/app/src/main/java/com/PROJECT_NAME/MainApplication.java)\

修改??package?MY.COMPANY.APPID;

然后修改AndroidManifest.xml里面的包名，具體路徑是(?android/app/src/main/AndroidManifest.xml)

修改??package?= ”MY.COMPANY.APPID“

然后再修改build.gradle文件，文件路徑是(android/app/build.gradle)

applicationId "MY.COMPANY.APPID"

?

然后再clean整個(gè)工程即可，在路徑android文件下執(zhí)行如下命令：

./gradlew clean

?

然后執(zhí)行 react-native run-android 即可。

?

如果遇見如下錯(cuò)誤信息：

PATIBLE: Package com.edaixi signatures do not match the previously installed version; ignoring! Unable to install /Volumes/CoderFile/react_delivery/ReactDelivery/android/app/build/outputs/apk/app-debug.apk com.android.ddmlib.InstallException: Failed to finalize session : INSTALL_FAILED_UPDATE_INCOMPATIBLE: Package com.edaixi signatures do not match the previously installed version; ignoring!at com.android.ddmlib.Device.installPackages(Device.java:915)at com.android.builder.testing.ConnectedDevice.installPackages(ConnectedDevice.java:113)at com.android.builder.testing.ConnectedDevice$installPackages$0.call(Unknown Source)at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:45)at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:108)at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:128)at com.android.build.gradle.internal.tasks.InstallVariantTask.install(InstallVariantTask.groovy:119)at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)at java.lang.reflect.Method.invoke(Method.java:498)at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:75)at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.doExecute(AnnotationProcessingTaskFactory.java:226)at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.execute(AnnotationProcessingTaskFactory.java:219)at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.execute(AnnotationProcessingTaskFactory.java:208)at org.gradle.api.internal.AbstractTask$TaskActionWrapper.execute(AbstractTask.java:589)at org.gradle.api.internal.AbstractTask$TaskActionWrapper.execute(AbstractTask.java:572)at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeAction(ExecuteActionsTaskExecuter.java:80)at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:61)at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:46)at org.gradle.api.internal.tasks.execution.PostExecutionAnalysisTaskExecuter.execute(PostExecutionAnalysisTaskExecuter.java:35)at org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter.execute(SkipUpToDateTaskExecuter.java:64)at org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:58)at org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter.execute(SkipEmptySourceFilesTaskExecuter.java:42)at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:52)at org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:53)at org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter.execute(ExecuteAtMostOnceTaskExecuter.java:43)at org.gradle.api.internal.AbstractTask.executeWithoutThrowingTaskFailure(AbstractTask.java:310)at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.executeTask(AbstractTaskPlanExecutor.java:79)at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.processTask(AbstractTaskPlanExecutor.java:63)at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.run(AbstractTaskPlanExecutor.java:51)at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor.process(DefaultTaskPlanExecutor.java:23)at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter.execute(DefaultTaskGraphExecuter.java:88)at org.gradle.execution.SelectedTaskExecutionAction.execute(SelectedTaskExecutionAction.java:37)at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:62)at org.gradle.execution.DefaultBuildExecuter.access$200(DefaultBuildExecuter.java:23)at org.gradle.execution.DefaultBuildExecuter$2.proceed(DefaultBuildExecuter.java:68)at org.gradle.execution.DryRunBuildExecutionAction.execute(DryRunBuildExecutionAction.java:32)at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:62)at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:55)at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:149)at org.gradle.initialization.DefaultGradleLauncher.doBuild(DefaultGradleLauncher.java:106)at org.gradle.initialization.DefaultGradleLauncher.run(DefaultGradleLauncher.java:86)at org.gradle.launcher.exec.InProcessBuildActionExecuter$DefaultBuildController.run(InProcessBuildActionExecuter.java:90)at org.gradle.tooling.internal.provider.ExecuteBuildActionRunner.run(ExecuteBuildActionRunner.java:28)at org.gradle.launcher.exec.ChainingBuildActionRunner.run(ChainingBuildActionRunner.java:35)at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:41)at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:28)at org.gradle.launcher.exec.DaemonUsageSuggestingBuildActionExecuter.execute(DaemonUsageSuggestingBuildActionExecuter.java:50)at org.gradle.launcher.exec.DaemonUsageSuggestingBuildActionExecuter.execute(DaemonUsageSuggestingBuildActionExecuter.java:27)at org.gradle.launcher.cli.RunBuildAction.run(RunBuildAction.java:40)at org.gradle.internal.Actions$RunnableActionAdapter.execute(Actions.java:169)at org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.execute(CommandLineActionFactory.java:237)at org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.execute(CommandLineActionFactory.java:210)at org.gradle.launcher.cli.JavaRuntimeValidationAction.execute(JavaRuntimeValidationAction.java:35)at org.gradle.launcher.cli.JavaRuntimeValidationAction.execute(JavaRuntimeValidationAction.java:24)at org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(CommandLineActionFactory.java:206)at org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(CommandLineActionFactory.java:169)at org.gradle.launcher.cli.ExceptionReportingAction.execute(ExceptionReportingAction.java:33)at org.gradle.launcher.cli.ExceptionReportingAction.execute(ExceptionReportingAction.java:22)at org.gradle.launcher.Main.doAction(Main.java:33)at org.gradle.launcher.bootstrap.EntryPoint.run(EntryPoint.java:45)at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)at java.lang.reflect.Method.invoke(Method.java:498)at org.gradle.launcher.bootstrap.ProcessBootstrap.runNoExit(ProcessBootstrap.java:54)at org.gradle.launcher.bootstrap.ProcessBootstrap.run(ProcessBootstrap.java:35)at org.gradle.launcher.GradleMain.main(GradleMain.java:23)at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)at java.lang.reflect.Method.invoke(Method.java:498)at org.gradle.wrapper.BootstrapMainStarter.start(BootstrapMainStarter.java:30)at org.gradle.wrapper.WrapperExecutor.execute(WrapperExecutor.java:127)at org.gradle.wrapper.GradleWrapperMain.main(GradleWrapperMain.java:61) :app:installDebug FAILEDFAILURE: Build failed with an exception.* What went wrong: Execution failed for task ':app:installDebug'. > com.android.builder.testing.api.DeviceException: com.android.ddmlib.InstallException: Failed to finalize session : INSTALL_FAILED_UPDATE_INCOMPATIBLE: Package com.edaixi signatures do not match the previously installed version; ignoring!* Try: Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.BUILD FAILEDTotal time: 1 mins 23.194 secs Could not install the app on the device, read the error above for details. Make sure you have an Android emulator running or a device connected and have set up your Android development environment: https://facebook.github.io/react-native/docs/android-setup.html

?可能是已經(jīng)安裝了與之沖突的相關(guān)應(yīng)用，卸載相關(guān)應(yīng)用，重新安裝即可解決.

總結(jié)

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