AlertDialog yes no - Alert - Messagebox - Android sample

Dialog Yes No sample code


AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setMessage("Are you sure you want to exit application?")
       .setCancelable(false)
       .setPositiveButton("Yes", new DialogInterface.OnClickListener() {
           public void onClick(DialogInterface dialog, int id) {
                MyActivity.this.finish(); //Close  this Activity for example: MyActivity.java
           }
       })
       .setNegativeButton("No", new DialogInterface.OnClickListener() {
           public void onClick(DialogInterface dialog, int id) {
                // some code if you want
                dialog.cancel();
           }
       });
AlertDialog alert = builder.create();
alert.show();

396LW NO topic_id

Další témata ....(Topics)

110

Create Button and TextView dynamically - Android sample | create-button-dynamically-android-sample


public class MainActivity extends Activity {

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        LinearLayout layout = (LinearLayout) findViewById(R.id.layout);
            TextView textView = new TextView(this);
            textView.setText("Text View ");
            LinearLayout.LayoutParams p = new LinearLayout.LayoutParams(
                    LinearLayout.LayoutParams.FILL_PARENT,
                    LinearLayout.LayoutParams.WRAP_CONTENT
            );
            layout.addView(textView, p);

            Button buttonView = new Button(this);
            buttonView.setText("Button");
            buttonView.setOnClickListener(mThisButtonListener);
            layout.addView(buttonView, p);
        
    }
    private OnClickListener mThisButtonListener = new OnClickListener() {
        public void onClick(View v) {
            Toast.makeText(MainActivity.this, "Hello !",
                    Toast.LENGTH_LONG).show();
        }
    };
}

354

Android Studio formatting code Ctrl + Alt + L | android-studio-formatting-code-ctrl-alt-l

Shortcut
Windows
Ctrl + Alt + L (format selection or all page)
Ctrl + Alt + Shift + L (show a dialog)
Linux
Ctrl + Windows Key + Alt + L

From menu Code
Code > Reformat Code

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

Go to Eclipse menu Window -> Preferences

Doubleclick on Java

Double click on Editor

Select Java, Javadocs or Comments and setup color and font

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

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"]

android/eclipse-color-syntax-highlight-settings-297x300.png

[/caption]

How to install mount SD card for Eclipse Android Emulator | how-install-sd-card-on-android-eclipse-emulator

If you want download some *.apk file from internet and try on your emulator you get error than you have to install SD card. You have to closing Android emulator.
Mount Android emulator SD card instruction

In Eclipse go in menu Window - Android SDK and Avg Manager

Select Virtual devices

Select AVD Name where you need install SD card

Click on Edit button

In open dialog go to SD card - Size: and write 500

Press button Edit AVD

Run AVD emulator

Image how install SD card on Android emulator in Eclipse.