Question

尝试从Eclipse Juno中加载示例My First App（hello world）应用程序。 Eclipse显示我的设备在线。手机正在运行Kit Kat 4.4.2。开发者模式已开启。 USB调试已启用。

以下是控制台输出：

   [2014-07-02 03:32:15 - MyFirstApp] Android Launch!
    [2014-07-02 03:32:15 - MyFirstApp] adb is running normally.
    [2014-07-02 03:32:15 - MyFirstApp] No Launcher activity found!
    [2014-07-02 03:32:15 - MyFirstApp] The launch will only sync the application package on the device!
    [2014-07-02 03:32:15 - MyFirstApp] Performing sync
    [2014-07-02 03:32:15 - MyFirstApp] Uploading MyFirstApp.apk onto device 'bc176a2b'
    [2014-07-02 03:32:16 - MyFirstApp] Installing MyFirstApp.apk...
    [2014-07-02 03:32:21 - MyFirstApp] Success!
    [2014-07-02 03:32:21 - MyFirstApp] \MyFirstApp\bin\MyFirstApp.apk installed on device
    [2014-07-02 03:32:21 - MyFirstApp] Done!

Absolutely nothing from the hello world app shows up on the phone.  It just continues to display the home screen.

When I try to use Eclipse's AVD to run the app, I get the following Console output:
    [2014-07-02 03:34:48 - MyFirstApp] ------------------------------
    [2014-07-02 03:34:48 - MyFirstApp] Android Launch!
    [2014-07-02 03:34:48 - MyFirstApp] adb is running normally.
    [2014-07-02 03:34:48 - MyFirstApp] No Launcher activity found!
    [2014-07-02 03:34:48 - MyFirstApp] The launch will only sync the application package on the device!
    [2014-07-02 03:34:48 - MyFirstApp] Performing sync
    [2014-07-02 03:34:49 - MyFirstApp] Application already deployed. No need to reinstall.
    [2014-07-02 03:34:49 - MyFirstApp] \MyFirstApp\bin\MyFirstApp.apk installed on device
    [2014-07-02 03:34:49 - MyFirstApp] Done!

当模拟器对话框（屏幕）加载时，应用程序没有加载。因此，模拟器对话框保留在其主屏幕上。

请告知。

这是AndroidManifest.xml：

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.myfirstapp"
android:versionCode="1"
android:versionName="1.0" >

<uses-sdk
    android:minSdkVersion="8"
    android:targetSdkVersion="21" />

<application
    android:allowBackup="true"
    android:icon="@drawable/ic_launcher"
    android:label="@string/app_name"
    android:theme="@style/AppTheme" >
</application>

</manifest>

Answer 1

在android manifest中使用它

<activity
            android:name="youractivityname"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
</activity>

Android应用不会加载到设备（三星Galaxy S3手机）或Eclipse的AVD模拟器

1 个答案: