package com.cheng.animationstudy.activity;
import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.animation.AnimatorSet;
import android.animation.ObjectAnimator;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.view.ViewTreeObserver;
import android.widget.Button;
import android.widget.LinearLayout;
import com.cheng.animationstudy.R;
import com.cheng.utils.ViewFinder;
/**
* 模仿浏览器缩放动画
*/
public class ImitateBrowserZoomViewActivity extends AppCompatActivity {
private static final int ANIM_DURATION_150 = 150;
private static final int ANIM_DURATION_200 = 200;
private static final int ANIM_DURATION_350 = 350;
private LinearLayout mFirstViewLL;
private LinearLayout mSecondViewLL;
private int mFHeight;
private int mSHeight;
private Button mShowBtn;
private Button mHideBtn;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_imitatebrowserzoomview);
initView();
initListener();
}
private void initView() {
this.mFirstViewLL = ViewFinder.findViewById(this, R.id.ll_firstview);
this.mSecondViewLL = ViewFinder.findViewById(this, R.id.ll_secondview);
this.mShowBtn = ViewFinder.findViewById(this, R.id.btn_showanim);
this.mHideBtn = ViewFinder.findViewById(this, R.id.btn_hideanim);
}
private void initListener() {
this.mFirstViewLL.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
@Override
public void onGlobalLayout() {
mFHeight = mFirstViewLL.getHeight();
mFirstViewLL.getViewTreeObserver().removeOnGlobalLayoutListener(this);
}
});
this.mSecondViewLL.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
@Override
public void onGlobalLayout() {
mSHeight = mSecondViewLL.getHeight();
mSecondViewLL.getViewTreeObserver().removeOnGlobalLayoutListener(this);
}
});
this.mShowBtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
initShowAnim();
}
});
this.mHideBtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
initHideAnim();
}
});
}
private void initShowAnim() {
ObjectAnimator fViewScaleXAnim = ObjectAnimator.ofFloat(mFirstViewLL, "scaleX", 1.0f, 0.8f);
fViewScaleXAnim.setDuration(ANIM_DURATION_350);
ObjectAnimator fViewScaleYAnim = ObjectAnimator.ofFloat(mFirstViewLL, "scaleY", 1.0f, 0.8f);
fViewScaleYAnim.setDuration(ANIM_DURATION_350);
ObjectAnimator fViewAlphaAnim = ObjectAnimator.ofFloat(mFirstViewLL, "alpha", 1.0f, 0.5f);
fViewAlphaAnim.setDuration(ANIM_DURATION_350);
ObjectAnimator fViewRotationXAnim = ObjectAnimator.ofFloat(mFirstViewLL, "rotationX", 0f, 10f);
fViewRotationXAnim.setDuration(ANIM_DURATION_200);
ObjectAnimator fViewResumeAnim = ObjectAnimator.ofFloat(mFirstViewLL, "rotationX", 10f, 0f);
fViewResumeAnim.setDuration(ANIM_DURATION_150);
fViewResumeAnim.setStartDelay(ANIM_DURATION_200);
ObjectAnimator fViewTransYAnim = ObjectAnimator.ofFloat(mFirstViewLL, "translationY", 0,-0.1f * mFHeight);
fViewTransYAnim.setDuration(ANIM_DURATION_350);
ObjectAnimator sViewTransYAnim = ObjectAnimator.ofFloat(mSecondViewLL, "translationY", mSHeight, 0f);
sViewTransYAnim.setDuration(ANIM_DURATION_350);
sViewTransYAnim.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationStart(Animator animation) {
super.onAnimationStart(animation);
mSecondViewLL.setVisibility(View.VISIBLE);
}
});
AnimatorSet showFirstViewAnim = new AnimatorSet();
showFirstViewAnim.playTogether(
fViewScaleXAnim,
fViewRotationXAnim,
fViewResumeAnim,
fViewTransYAnim,
fViewAlphaAnim,
fViewScaleYAnim,
sViewTransYAnim
);
showFirstViewAnim.start();
}
private void initHideAnim() {
ObjectAnimator fViewScaleXAnim=ObjectAnimator.ofFloat(mFirstViewLL, "scaleX", 0.8f, 1.0f);
fViewScaleXAnim.setDuration(ANIM_DURATION_350);
ObjectAnimator fViewScaleYAnim=ObjectAnimator.ofFloat(mFirstViewLL, "scaleY", 0.8f, 1.0f);
fViewScaleYAnim.setDuration(ANIM_DURATION_350);
ObjectAnimator fViewAlphaAnim=ObjectAnimator.ofFloat(mFirstViewLL, "alpha", 0.5f, 1.0f);
fViewAlphaAnim.setDuration(ANIM_DURATION_350);
ObjectAnimator fViewRotationXAnim = ObjectAnimator.ofFloat(mFirstViewLL, "rotationX", 0f, 10f);
fViewRotationXAnim.setDuration(ANIM_DURATION_200);
ObjectAnimator fViewResumeAnim = ObjectAnimator.ofFloat(mFirstViewLL, "rotationX", 10f, 0f);
fViewResumeAnim.setDuration(ANIM_DURATION_150);
fViewResumeAnim.setStartDelay(ANIM_DURATION_200);
ObjectAnimator fViewTransYAnim=ObjectAnimator.ofFloat(mFirstViewLL, "translationY", -0.1f * mFHeight, 0);
fViewTransYAnim.setDuration(ANIM_DURATION_350);
ObjectAnimator sViewTransYAnim=ObjectAnimator.ofFloat(mSecondViewLL, "translationY", 0, mSHeight);
sViewTransYAnim.setDuration(ANIM_DURATION_350);
sViewTransYAnim.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
super.onAnimationEnd(animation);
mSecondViewLL.setVisibility(View.INVISIBLE);
}
});
AnimatorSet hideFirstViewAnim=new AnimatorSet();
hideFirstViewAnim.playTogether(
fViewScaleXAnim,
fViewRotationXAnim,
fViewResumeAnim,
fViewTransYAnim,
fViewAlphaAnim,
fViewScaleYAnim,
sViewTransYAnim);
hideFirstViewAnim.start();
}
}