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Set Default Start Up Activity Class Java AndroidManifest xml


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Insert into your default start up activity tag inten-filter tag with action MAIN and category LAUNCHER

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


AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="//schemas.android.com/apk/res/android"
    package="com.example.blabol"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="19" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name=".MainActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

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

</manifest>

397LW NO topic_id




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125

Get SensorManager PowerManager WindowManager Display Android example | get-sensormanager-powermanager-windowmanager-display-android-example



    private SensorManager mSensorManager;
    private PowerManager mPowerManager;
    private WindowManager mWindowManager;
    private Display mDisplay;

// onCreate
   @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

       // Get an instance of the SensorManager
        mSensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);

        // Get an instance of the PowerManager
        mPowerManager = (PowerManager) getSystemService(POWER_SERVICE);

        // Get an instance of the WindowManager
        mWindowManager = (WindowManager) getSystemService(WINDOW_SERVICE);
        mDisplay = mWindowManager.getDefaultDisplay();

        setContentView(R.layout.main); // main.xml or your xml file name

}

320

layout id cannot be resolved or is not a field | layout-id-cannot-be-resolved-or-is-not-a-field


1.) check your xml files in res/layout folder if contain errors or warnings, repair this
2.) try comment import R in Activity file
// import com.mysite.packagename.R;
3.) every clean and rebuild project
271

How to add or remove widgets home screen android 4 | how-to-add-or-remove-widgets-home-screen-android-4


Video tutorial
How to add or remove widgets home screen Android 4.


340

Android Studio hide delete import module | android-studio-hide-delete-import-module


Hide module - open dialog: File > Project Structure Ctrl + Alt + Shift + S
android-studio-hide-module.jpg

Hide module: in opened Dialog select module which will hidden and click on minus (left upper corner)

android-studio-hide-module-from-project-explorer.jpg

If module is hidden, you can permanetly delete module from disk. But if you want using module in future,  copy module into other folder (not into AndroidProjects folder and his subbfolders) and delete module permanetly from project and disc. Right mouse click on module and select from menu Delete.
android-studio-delete-module-from-disc.jpg

If you want import the backup copy to project, use: File>New>Import mudule
android-studio-import-module.jpg
32

Create array of strings in xml file Android example | create-array-of-strings-in-xml-file-android-example


Example source code for Android developers how create array of strings in *.xml file.
You can using array of strings in Spinner ( combobox - dropdown list ) or ListView etc.

<resources>
    <string-array name="colors">
        <item>red</item>
        <item>orange</item>
        <item>yellow</item>
        <item>green</item>
        <item>blue</item>
    </string-array>
</resources>


Editace: 2015-04-02 19:27:39
Počet článků v kategorii: 397
Url:set-default-start-up-activity-class-java-androidmanifest-xml

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