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Android 4.0 Flip View 动画例子

仲孙信瑞
2023-12-01
1.创建 main layout
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent">
    <Button
        android:id="@+id/button"
        android:text="Flip"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />
    <ListView
        android:id="@+id/list_en"
        android:layout_width="match_parent"
        android:layout_weight="1.0"
        android:layout_height="0dip"/>
    <ListView
        android:id="@+id/list_fr"
        android:layout_width="match_parent"
        android:layout_weight="1.0"
        android:layout_height="0dip"
        android:visibility="gone"/>
</LinearLayout>

2.flipview

import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.animation.ObjectAnimator;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.animation.AccelerateInterpolator;
import android.view.animation.DecelerateInterpolator;
import android.view.animation.Interpolator;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ListView;
import android.widget.SeekBar;
 
public class FlipViewExamplebrush extends Activity {
 
    private static final int DURATION = 1500;
    private SeekBar mSeekBar;
 
    private static final String[] LIST_STRINGS_EN = new String[] {
            "One",
            "Two",
      "Three",
            "Four",
            "Five",
            "Six"
    };
    private static final String[] LIST_STRINGS_FR = new String[] {
            "Un",
            "Deux",
            "Trois",
            "Quatre",
            "Le Five",
            "Six"
    };
 
    ListView mEnglishList;
    ListView mFrenchList;
 
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        mEnglishList = (ListView) findViewById(R.id.list_en);
        mFrenchList = (ListView) findViewById(R.id.list_fr);
 
        // Prepare the ListView
        final ArrayAdapter<String> adapterEn = new ArrayAdapter<String>(this,
                android.R.layout.simple_list_item_1, LIST_STRINGS_EN);
        // Prepare the ListView
        final ArrayAdapter<String> adapterFr = new ArrayAdapter<String>(this,
                android.R.layout.simple_list_item_1, LIST_STRINGS_FR);
 
        mEnglishList.setAdapter(adapterEn);
        mFrenchList.setAdapter(adapterFr);
        mFrenchList.setRotationY(-90f);
 
        Button starter = (Button) findViewById(R.id.button);
        starter.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                flipit();
            }
        });
    }
 
    private Interpolator accelerator = new AccelerateInterpolator();
    private Interpolator decelerator = new DecelerateInterpolator();
    private void flipit() {
        final ListView visibleList;
        final ListView invisibleList;
        if (mEnglishList.getVisibility() == View.GONE) {
            visibleList = mFrenchList;
            invisibleList = mEnglishList;
        } else {
            invisibleList = mFrenchList;
            visibleList = mEnglishList;
        }
        ObjectAnimator visToInvis = ObjectAnimator.ofFloat(visibleList, "rotationY", 0f, 90f);
        visToInvis.setDuration(500);
        visToInvis.setInterpolator(accelerator);
        final ObjectAnimator invisToVis = ObjectAnimator.ofFloat(invisibleList, "rotationY",
                -90f, 0f);
        invisToVis.setDuration(500);
        invisToVis.setInterpolator(decelerator);
        visToInvis.addListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationEnd(Animator anim) {
                visibleList.setVisibility(View.GONE);
                invisToVis.start();
                invisibleList.setVisibility(View.VISIBLE);
            }
        });
        visToInvis.start();
    }
 
 
}


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