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While cycle loop in Java example



While cycle Java basic example with array of strings.

MainClass.java

public class MainClass {
	public static void main(String[] arg) {
		String[] arrayOfString = { "Hello", "people", "hello", "world!" };
                int i = 0;
		while ( i < arrayOfString.length ){
			System.out.println(arrayOfString[i]);
			i++;
		}
	}
}

397LW NO topic_id



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Sqlite create database and table with BAT file for Android | sqlite-create-database-and-table-with-bat-file


Sqlite3 create database and table with load.bat file and fill data to table example.


  1. Create folder for your project: my_sqlite_project

  2. Open folder and create file load.bat and paste to load.bat this text and save to project folder:


    sqlite3 my_database.s3db < load_text.sql
    pause



  3. Create load_text.sql file and paste this text and save to project folder:

    CREATE TABLE [android_metadata] (
    [locale] TEXT
    );




    CREATE TABLE [my_table] (
    [_id] int NULL,
    [word] VARCHAR(255) NULL,
    [description] VARCHAR(255) NULL




    .separator ";"
    .import text_file.txt my_table


  4. Create text_file.txt and paste this text and save it as UTF-8:

    1;word1;my first word
    2;word2; my second word



  5. Download sqlite3.exe and put to project folder.

  6. Run BAT file load.bat and read text instruction from console

  7. If database created you can open and edit this with sqlite database explorer

  8. Copy database to Asses Android project folder

  9. If you want using this database in Android application on device, you have to copy this database to folder on device /data/data/com.MyPackage/databases/









355

Android Fragment onAttach deprecated | android-fragment-onattach-deprecated



// Context instead Activity as a parameter
@Override
public void onAttach(Context context) {
    super.onAttach(context);

    Activity a;

    if (context instanceof Activity){
        a=(Activity) context;
    }

}

OnNoteClickedListener listener;
/* old emxample of usage
	@Override
	public void onAttach(Activity activity) {
		super.onAttach(activity);
		try {
			listener = (OnNoteClickedListener) activity;
		} catch (ClassCastException e) {
			throw new ClassCastException(activity.toString()
					+ " must implement OnNoteClickedListener");
		}
	}
*/
// new version of code
	@Override
	public void onAttach(Context context) {
		super.onAttach(context);

		Activity a;

		if (context instanceof Activity){
			a=(Activity) context;
			try {
				listener = (OnNoteClickedListener) a;
			} catch (ClassCastException e) {
				throw new ClassCastException(a.toString()
						+ " must implement OnNoteClickedListener");
			}
		}

	}


214

Accessibility Missing contentDescription attribute on image | accessibility-missing-contentdescription-attribute-on-image


Android Emulator warning:[Accessibility] Missing contentDescription attribute on image

Workaround example code:
android:contentDescription="@string/desc"

            <ImageView
                android:id="@+id/imageViewOil"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
            android:contentDescription="@string/desc"
                android:layout_alignParentLeft="true"
                android:layout_centerVertical="true"
                android:layout_marginLeft="84dp"
                android:src="@drawable/tank_silver" />
308

Eclipse Escape text when pasting into a string literal | eclipse-escape-text-when-pasting-into-a-string-literal



Window>Preference>Java>Editor>Typing and check the "Escape text when pasting into a string literal".
39

How setup color coloring syntax code highlight highlighting in Eclipse editor Android example | how-setup-color-syntax-highlight-in-eclipse-android-example


How setup color coloring highlight highlighting syntax font size and family in Eclipse Java and XML editor Android example
Java editor

  1. Go to Eclipse menu Window -> Preferences

  2. Doubleclick on Java

  3. Double click on Editor

  4. Select Java, Javadocs or Comments and setup color and font

  5. Font size and family change from Window->Preferences-> General->Appearance->Colors and Fonts


  6. Press OK for saving changes


xml editor
xml editor double click in Preferences dialog on xml -> Editor -> Syntax coloring
[caption id="attachment_627" align="alignleft" width="297" caption="Eclipse editor syntax color settings"]eclipse-color-syntax-highlight-settings[/caption]


Editace Jana Žákovská : 2011-10-04 08:57:30
Počet článků v kategorii: 397
Url:while-cycle-loop-in-java-example
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