android 实现自定义隐藏式菜单

这里是部分demo，详细见附件

package com.animation.menu;

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.ScaleAnimation;
import android.view.animation.TranslateAnimation;
import android.widget.Button;
import android.widget.LinearLayout;

import com.animation.menu.R;

public class TranslateAnimationMenu extends Activity {
/** Called when the activity is first created. */
TranslateAnimation showAction, hideAction;
LinearLayout menu;
Button button;
boolean menuShowed;

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
menu = (LinearLayout) findViewById(R.id.menu);
button = (Button) findViewById(R.id.button);
// 这里是TranslateAnimation动画
showAction = new TranslateAnimation(Animation.RELATIVE_TO_SELF, 0.0f,
Animation.RELATIVE_TO_SELF, 0.0f, Animation.RELATIVE_TO_SELF,
-1.0f, Animation.RELATIVE_TO_SELF, 0.0f);
// 这里是ScaleAnimation动画 //

showAction.setDuration(500);
// 这里是TranslateAnimation动画
hideAction = new TranslateAnimation(Animation.RELATIVE_TO_SELF, 0.0f,
Animation.RELATIVE_TO_SELF, 0.0f, Animation.RELATIVE_TO_SELF,
0.0f, Animation.RELATIVE_TO_SELF, -1.0f);

hideAction.setDuration(500);
menuShowed = false;
menu.setVisibility(View.GONE);
button.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
if (menuShowed) {
menuShowed = false;
menu.startAnimation(hideAction);
menu.setVisibility(View.GONE);
} else {
menuShowed = true;
menu.startAnimation(showAction);
menu.setVisibility(View.VISIBLE);
}
}
});
}
}

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