Android经典动画案例分析

package com.iteye.androidtoast;

import java.util.ArrayList;
import java.util.List;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.Spinner;

public class MainActivity extends Activity {

/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);

final Spinner mAnimSp = (Spinner) findViewById(R.id.animation_sp);
Button mButton=(Button) findViewById(R.id.other_button);

// 通过资源文件获取Spinner填充内容
String[] ls = getResources().getStringArray(R.array.anim_type);
List<String> list = new ArrayList<String>();
// 把数组内容填充 到集合
for (int i = 0; i < ls.length; i++) {
list.add(ls<i>);
}
ArrayAdapter<String> animType = new ArrayAdapter<String>(this,
android.R.layout.simple_spinner_item, list);
animType.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
mAnimSp.setAdapter(animType);
mAnimSp.setSelection(0);

mButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent();
intent.setClass(MainActivity.this, OtherActivity.class);
startActivity(intent);

switch (mAnimSp.getSelectedItemPosition()) {
case 0:
/*注意：此方法只能在startActivity和finish方法之后调用。
第一个参数为第一个Activity离开时的动画，第二参数为所进入的Activity的动画效果*/
overridePendingTransition(R.anim.fade, R.anim.hold);
break;
case 1:
overridePendingTransition(R.anim.my_scale_action,
R.anim.my_alpha_action);
break;
case 2:
overridePendingTransition(R.anim.scale_rotate,
R.anim.my_alpha_action);
break;
case 3:
overridePendingTransition(R.anim.scale_translate_rotate,
R.anim.my_alpha_action);
break;
case 4:
overridePendingTransition(R.anim.scale_translate,
R.anim.my_alpha_action);
break;
case 5:
overridePendingTransition(R.anim.hyperspace_in,
R.anim.hyperspace_out);
break;
case 6:
overridePendingTransition(R.anim.push_left_in,
R.anim.push_left_out);
break;
case 7:
overridePendingTransition(R.anim.push_up_in,
R.anim.push_up_out);
break;
case 8:
overridePendingTransition(R.anim.slide_left,
R.anim.slide_right);
break;
case 9:
overridePendingTransition(R.anim.wave_scale,
R.anim.my_alpha_action);
break;
case 10:
overridePendingTransition(R.anim.zoom_enter,
R.anim.zoom_exit);
break;
case 11:
overridePendingTransition(R.anim.slide_up_in,
R.anim.slide_down_out);
break;
}
}
});
}
}
</i>