Code for calling the four animation effects of Android

(1) The main. xml Code is as follows: (declare four button controls)

XML code:Copy codeThe Code is as follows: <? Xml version = "1.0" encoding = "UTF-8"?>
<AbsoluteLayout
Android: id = "@ + id/widget32"
Android: layout_width = "fill_parent"
Android: layout_height = "fill_parent"
Xmlns: android = "http://schemas.android.com/apk/res/android"
>
<TextView
Android: id = "@ + id/widget29"
Android: layout_width = "fill_parent"
Android: layout_height = "wrap_content"
Android: text = "@ string/hello"
Android: layout_x = "0px"
Android: layout_y = "0px"
>
</TextView>
<Button
Android: id = "@ + id/button_Alpha"
Android: layout_width = "150px"
Android: layout_height = "150px"
Android: text = "Alpha Animation"
Android: textSize = "50px"
Android: layout_x = "0px"
Android: layout_y = "30px">
</Button>
<Button
Android: id = "@ + id/button_Scale"
Android: layout_width = "150px"
Android: layout_height = "150px"
Android: text = "Scale Animation"
Android: textSize = "50px"
Android: layout_x = "0px"
Android: layout_y = "180px">
</Button>
<Button
Android: layout_width = "150px"
Android: layout_height = "150px"
Android: text = "Translate Animation"
Android: layout_x = "161px"
Android: layout_y = "30px"
Android: textSize = "30px"
Android: id = "@ + id/button_Translate">
</Button>
<Button
Android: id = "@ + id/button_Rotate"
Android: layout_width = "150px"
Android: layout_height = "150px"
Android: text = "Rotate Animation"
Android: layout_y = "180px"
Android: layout_x = "161px"
Android: textSize = "44px">
</Button>
</AbsoluteLayout>

Java code:Copy codeThe Code is as follows: import android. app. Activity;
Import android. OS. Bundle;
Import android. view. View;
Import android. view. View. OnClickListener;
Import android. view. animation. Animation;
Import android. view. animation. AnimationUtils;
Import android. widget. Button;

Public class myActionAnimation extends Activity implements OnClickListener {
/** Called when the activity is first created .*/
Private Button button_alpha;
Private Button button_scale;
Private Button button_translate;
Private Button button_rotate;
Private Animation myAnimation_Alpha;
Private Animation myAnimation_Scale;
Private Animation myAnimation_Translate;
Private Animation myAnimation_Rotate;
@ Override
Public void onCreate (Bundle savedInstanceState ){
Super. onCreate (savedInstanceState );
SetContentView (R. layout. main );

Button_alpha = (Button) findViewById (R. id. button_Alpha );
Button_alpha.setOnClickListener (this );

Button_scale = (Button) findViewById (R. id. button_Scale );
Button_scale.setOnClickListener (this );

Button_translate = (Button) findViewById (R. id. button_Translate );
Button_translate.setOnClickListener (this );

Button_rotate = (Button) findViewById (R. id. button_Rotate );
Button_rotate.setOnClickListener (this );
}
Public void onClick (View button ){
// TODO Auto-generated method stub
Switch (button. getId ()){
Case R. id. button_Alpha :{
MyAnimation_Alpha = AnimationUtils. loadAnimation (this, R. layout. my_alpha_action );
Button_alpha.startAnimation (myAnimation_Alpha );
}
Break;
Case R. id. button_Scale :{
MyAnimation_Scale = AnimationUtils. loadAnimation (this, R. layout. my_scale_action );
Button_scale.startAnimation (myAnimation_Scale );
}
Break;
Case R. id. button_Translate :{
MyAnimation_Translate = AnimationUtils. loadAnimation (this, R. layout. my_translate_action );
Button_translate.startAnimation (myAnimation_Translate );
}
Break;
Case R. id. button_Rotate :{
MyAnimation_Rotate = AnimationUtils. loadAnimation (this, R. layout. my_rotate_action );
Button_rotate.startAnimation (myAnimation_Rotate );
}
Break;

Default:
Break;
}
}
}

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