CODEWITHSUNDEEP
androidpackage
Johanne Smith
Johanne Smith

Reputation: 75

Creating java packages for Android projects

I created multiple packages to better structure our Android-based project. After creating these packages, the application no longer runs. It's a widget application. I noticed that the application manifest needed to be modified and did so. This didn't seem to fix the problem. I don't get any error messages, I'm simply not able to open the main activity page from the application widget. Could anyone tell me how to resolve this issue?

For more detail, I initially had a flat project structure (com.domain.A). Now I have the following:

com.domain.Activities

com.domain.Features

com.domain.Services

etc...

Here's an excerpt from the manifest file:

 <activity android:name="com.domain.Activities.Activity1"
            android:theme="@style/Theme.D1"
            android:label="@string/act1"
            />
 <activity android:name="com.domain.Activities.Activity2"
            android:theme="@style/Theme.D1"
            android:label="@string/act2"
            />

 <activity android:name="com.domain.Features.Feature1"
            android:theme="@style/Theme.D1"
            android:label="@string/fea1"
            />
 <activity android:name="com.domain.Features.Feature2"
            android:theme="@style/Theme.D1"
            android:label="@string/fea2"
            />

 <service android:name="com.cmu.Services.Service_1"/>
 <service android:name="com.cmu.Services.Service_2"/>

Thanks.

Upvotes: 0

Views: 2830

Answers (2)

dave.c
dave.c

Reputation: 10908

You specify a package in your manifest, then you can just use the . prefix to reference the package for the Activities you define in you manifest. So for example:

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

    <application
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name" >
        <activity
            android:label="@string/app_name"
            android:name=".activities.MainActivity" >
            <intent-filter >
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>

        <activity android:name=".activities.Activity1" />
        <activity android:name=".activities.Activity2" />

You main launcher activity is thus: com.domain.activities.MainActivity and the other two are: com.domain.activities.Activity1 and com.domain.activities.Activity2

Upvotes: 0

Rahul garg
Rahul garg

Reputation: 9362

After moving the classes in packages, how have you defined the activities in the manifest. (as a thumb rule ctrl+click on activity declaration in manifest should take you to class file, else link is broken), its generally better to keep all classes extending Activity in main android package of your app

EDIT:

if your MyActivity lies under package a.b;

then .a.b.MyActivity is to be used for android:name in manifest the dot(.) initially specifies to use package-prefix from manifest package name..

Upvotes: 1

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