Okhelp.cz

Recepty, články, nápady, programování. Dříve dum-zahrada, finance, internet a know-how.okhelp.cz Pro lepší výsledky hledání používejte i diakritiku.

Set Default Start Up Activity Class Java AndroidManifest xml


AD MOB

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




AD

Další témata ....(Topics)


154

Create own custom Title Bar TitleBar with a Icon Android example | create-own-custom-title-titlebar-android-example


onCreate in MainActivity.java

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

        requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);
        setContentView(R.layout.main.xml);
        getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.custom_title);
}


You can add to titlebar different Views by xml file.
custom_title.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="//schemas.android.com/apk/res/android" android:id="@+id/screen"
    android:layout_width="fill_parent" android:layout_height="fill_parent"
    android:orientation="vertical">
    <TextView android:id="@+id/left_text"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:text="Some text" />

    <ImageView
        android:id="@+id/imageView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_alignParentRight="true"
       
        android:src="@drawable/ic_launcher" />
    
</RelativeLayout>





custom-title-titlebar-android
230

Eclipse Log.e println needs a message | eclipse-log-e-println-needs-a-message


Log.e println needs a message error.
E/AndroidRuntime(330): FATAL EXCEPTION: main
java.lang.RuntimeException: Unable to start activity ComponentInfo{b.paint/b.paint.MainActivity}: java.lang.NullPointerException: println needs a message

Try this code:

		// Error
                String s = null;
		Log.e("bla", s); // !!! error Log.e println needs a message error.
                // OK
		String s = null;
		Log.e("bla", s+""); // OK 


148

Crop cropped cut bitmap image pictures Android example | crop-cropped-cut-bitmap-image-pictures-android-example


Cut, shear, clip, snip, crop a bitmap, picture, image Android example

public class ApokusActivity extends Activity {

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(new SampleView(this));
	}

	private static class SampleView extends View {

		// CONSTRUCTOR
		public SampleView(Context context) {
			super(context);
			setFocusable(true);

		}

		@Override
		protected void onDraw(Canvas canvas) {
			Paint paint = new Paint();

			canvas.drawColor(Color.YELLOW);


			// you need to insert a image flower_blue into res/drawable folder
			paint.setFilterBitmap(true);
			Bitmap bitmapOrg = BitmapFactory.decodeResource(getResources(),
					R.drawable.flower_blue);

			Bitmap croppedBmp = Bitmap.createBitmap(bitmapOrg, 0, 0,
					bitmapOrg.getWidth() / 2, bitmapOrg.getHeight());
			int h = bitmapOrg.getHeight();
			canvas.drawBitmap(bitmapOrg, 10, 10, paint);
			canvas.drawBitmap(croppedBmp, 10, 10 + h + 10, paint);

		}

	}
}



crop bitmap android
384

ArrayList Sublist Join Compare Loop Synchronize HashMap Sort Tree | arraylist-sublist-join-compare-loop-synchronize-hashmap-sort-tree


162

Horizontal marquee text in Button android example | horizontal-marquee-text-in-button-android-example


If a button have focus, marquee will run.
Important:
android:singleLine="true"
android:ellipsize="marquee"
Optional:
android:marqueeRepeatLimit="1"



// main.xml
    <Button
        android:layout_width="150dip" 
        android:layout_height="wrap_content"
        android:text="My button with a long text for marquee as a example source code"
        android:singleLine="true"
        android:ellipsize="marquee"
        android:marqueeRepeatLimit="1"/>




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

AD
11 Share
Share
Tweet