Android动画详细探究

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:padding="10dip" android:layout_width="match_parent" android:layout_height="wrap_content"> <ImageView android:id="@+id/pw" android:background="@drawable/a" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginBottom="10dip" /> <Button android:id="@+id/login" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="26sp" android:text="震荡" /> <ViewFlipper android:id="@+id/flipper" android:layout_width="match_parent" android:layout_height="wrap_content" android:flipInterval="2000" > <TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:gravity="center_horizontal" android:textSize="26sp" android:text="吴建强"/> <TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:gravity="center_horizontal" android:textSize="26sp" android:text="李秀婷"/> <TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:gravity="center_horizontal" android:textSize="26sp" android:text="张美静"/> <TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:gravity="center_horizontal" android:textSize="26sp" android:text="吴美音"/> </ViewFlipper> <TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginBottom="5dip" android:text="请选择你喜欢的人" /> <Spinner android:id="@+id/spinner" android:layout_width="match_parent" android:layout_height="wrap_content" /> <TextView android:id="@+id/target" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="26sp" android:text="java语言"/> <TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="20dip" android:layout_marginBottom="5dip" android:text="C#语言" /> <Spinner android:id="@+id/spinner1" android:layout_width="match_parent" android:layout_height="wrap_content" /></LinearLayout> Animlayout.xml是动画文件<?xml version="1.0" encoding="utf-8"?><translate xmlns:android="http://schemas.android.com/apk/res/android" android:fromXDelta="0" android:toXDelta="10" android:duration="1000" android:interpolator="@anim/cycle_7" /> 。。。

package wjq.WidgetDemo; import android.app.Activity;import android.os.Bundle;import android.util.Log;import android.view.View;import android.view.View.OnClickListener;import android.view.animation.Animation;import android.view.animation.AnimationUtils;import android.view.animation.Transformation;import android.view.animation.TranslateAnimation;import android.widget.AdapterView;import android.widget.ArrayAdapter;import android.widget.Spinner;import android.widget.ViewFlipper;import android.widget.AdapterView.OnItemSelectedListener; /** * 动画Animation示例 * @author 记忆的永恒 * */public class AnimationDemo extends Activity implements OnClickListener,OnItemSelectedListener { private View v;private String[] mStrings = { "向上", "向右", "穿越","旋转" }; private static final String[] INTERPOLATORS = { "加速", "Decelerate","减速", "左右", "Overshoot","Anticipate/Overshoot", "弹回" };private ViewFlipper mFlipper;private Spinner spinner;private Spinner spinner1;private ArrayAdapter<String> aa;private ArrayAdapter<String> aa1;/* * (non-Javadoc) * * @see android.app.Activity#onCreate(android.os.Bundle) */@Overrideprotected void onCreate(Bundle savedInstanceState) {// TODO Auto-generated method stubsuper.onCreate(savedInstanceState);setContentView(R.layout.animationpage);v = findViewById(R.id.login);v.setOnClickListener(this);mFlipper = (ViewFlipper) findViewById(R.id.flipper); // 反转mFlipper.startFlipping(); spinner = (Spinner) findViewById(R.id.spinner); aa = new ArrayAdapter<String>(this,android.R.layout.simple_spinner_item, mStrings);aa.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);spinner.setAdapter(aa);spinner.setOnItemSelectedListener(this); spinner1 = (Spinner) findViewById(R.id.spinner1); aa1 = new ArrayAdapter<String>(this,android.R.layout.simple_spinner_item, INTERPOLATORS);aa1.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);spinner1.setAdapter(aa1);spinner1.setOnItemSelectedListener(this);} @Overridepublic void onClick(View v) {Animation shake = AnimationUtils.loadAnimation(this, R.anim.animlayout);findViewById(R.id.pw).startAnimation(shake);} @Overridepublic void onItemSelected(AdapterView<?> parent, View view, int position,long id) {if (parent.getAdapter()==aa) {switch (position) { case 0:mFlipper.setInAnimation(AnimationUtils.loadAnimation(this,R.anim.push_up_in));mFlipper.setOutAnimation(AnimationUtils.loadAnimation(this,R.anim.push_up_out));break;case 1:mFlipper.setInAnimation(AnimationUtils.loadAnimation(this,R.anim.push_left_in));mFlipper.setOutAnimation(AnimationUtils.loadAnimation(this,R.anim.push_left_out));break;case 2:mFlipper.setInAnimation(AnimationUtils.loadAnimation(this,android.R.anim.fade_in));mFlipper.setOutAnimation(AnimationUtils.loadAnimation(this,android.R.anim.fade_out));break;default:mFlipper.setInAnimation(AnimationUtils.loadAnimation(this,R.anim.hyperspace_in));mFlipper.setOutAnimation(AnimationUtils.loadAnimation(this,R.anim.hyperspace_out));break;}} else {final View target = findViewById(R.id.target);final View targetParent = (View) target.getParent();Animation anm = new TranslateAnimation(0.0f, targetParent.getWidth()- target.getWidth()- targetParent.getPaddingLeft()- targetParent.getPaddingRight(), 0.0f, 0.0f); anm.setDuration(1000);anm.setStartOffset(300);anm.setRepeatMode(Animation.RESTART);anm.setRepeatCount(Animation.INFINITE); switch (position) { case 0: anm.setInterpolator(AnimationUtils.loadInterpolator(this, android.R.anim.accelerate_interpolator)); break; case 1: anm.setInterpolator(AnimationUtils.loadInterpolator(this, android.R.anim.decelerate_interpolator)); break; case 2: anm.setInterpolator(AnimationUtils.loadInterpolator(this, android.R.anim.accelerate_decelerate_interpolator)); break; case 3: anm.setInterpolator(AnimationUtils.loadInterpolator(this, android.R.anim.anticipate_interpolator)); break; case 4: anm.setInterpolator(AnimationUtils.loadInterpolator(this, android.R.anim.overshoot_interpolator)); break; case 5: anm.setInterpolator(AnimationUtils.loadInterpolator(this, android.R.anim.anticipate_overshoot_interpolator)); break; case 6: anm.setInterpolator(AnimationUtils.loadInterpolator(this, android.R.anim.bounce_interpolator)); break; } target.startAnimation(anm);} } @Overridepublic void onNothingSelected(AdapterView parent) {// TODO Auto-generated method stub } }

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