android.animation.LayoutTransition#setAnimator

Source File: PropertyAnimationActivity.java From Study_Android_Demo with Apache License 2.0

6 votes

private void doLayoutAnimator() {
    LayoutTransition layoutTransition = new LayoutTransition();

    layoutTransition.setAnimator(LayoutTransition.APPEARING, getObjectAnimator(false));
    layoutTransition.setAnimator(LayoutTransition.DISAPPEARING, getObjectAnimator(true));
    layoutTransition.setDuration(2000);

    //mPuppet's parentView
    ViewGroup contentView = (ViewGroup) ((ViewGroup) getWindow().getDecorView().findViewById(android.R.id.content)).getChildAt(0);
    contentView.setLayoutTransition(layoutTransition);
    if (contentView.findViewById(R.id.view_puppet) == null) {
        contentView.addView(mPuppet);
    } else {
        contentView.removeView(mPuppet);
    }
}

Source File: LayoutAnimations.java From codeexamples-android with Eclipse Public License 1.0

6 votes

private void setupTransition(LayoutTransition transition) {
    CheckBox customAnimCB = (CheckBox) findViewById(R.id.customAnimCB);
    CheckBox appearingCB = (CheckBox) findViewById(R.id.appearingCB);
    CheckBox disappearingCB = (CheckBox) findViewById(R.id.disappearingCB);
    CheckBox changingAppearingCB = (CheckBox) findViewById(R.id.changingAppearingCB);
    CheckBox changingDisappearingCB = (CheckBox) findViewById(R.id.changingDisappearingCB);
    transition.setAnimator(LayoutTransition.APPEARING, appearingCB.isChecked() ?
            (customAnimCB.isChecked() ? customAppearingAnim : defaultAppearingAnim) : null);
    transition.setAnimator(LayoutTransition.DISAPPEARING, disappearingCB.isChecked() ?
            (customAnimCB.isChecked() ? customDisappearingAnim : defaultDisappearingAnim) : null);
    transition.setAnimator(LayoutTransition.CHANGE_APPEARING, changingAppearingCB.isChecked() ?
            (customAnimCB.isChecked() ? customChangingAppearingAnim :
                    defaultChangingAppearingAnim) : null);
    transition.setAnimator(LayoutTransition.CHANGE_DISAPPEARING,
            changingDisappearingCB.isChecked() ?
            (customAnimCB.isChecked() ? customChangingDisappearingAnim :
                    defaultChangingDisappearingAnim) : null);
}

Source File: AnimUtil.java From MiBandDecompiled with Apache License 2.0

6 votes

private static LayoutTransition a()
{
    LayoutTransition layouttransition = new LayoutTransition();
    layouttransition.setDuration(90L);
    layouttransition.setInterpolator(2, new AccelerateDecelerateInterpolator());
    layouttransition.setInterpolator(3, new AccelerateDecelerateInterpolator());
    ObjectAnimator objectanimator = ObjectAnimator.ofFloat(null, "rotationX", new float[] {
        90F, 0.0F
    }).setDuration(layouttransition.getDuration(2));
    layouttransition.setAnimator(2, objectanimator);
    objectanimator.addListener(new d());
    ObjectAnimator objectanimator1 = ObjectAnimator.ofFloat(null, "rotationX", new float[] {
        0.0F, -90F
    }).setDuration(layouttransition.getDuration(3));
    layouttransition.setAnimator(3, objectanimator1);
    objectanimator1.addListener(new e());
    return layouttransition;
}

Source File: CardStreamLinearLayout.java From android-play-places with Apache License 2.0

6 votes

@TargetApi(Build.VERSION_CODES.HONEYCOMB)
public void setCardStreamAnimator( CardStreamAnimator animators ){

    if( animators == null )
        mAnimators = new CardStreamAnimator.EmptyAnimator();
    else
        mAnimators = animators;

    LayoutTransition layoutTransition = getLayoutTransition();

    if( layoutTransition != null ){
        layoutTransition.setAnimator( LayoutTransition.APPEARING,
                mAnimators.getAppearingAnimator(getContext()) );
        layoutTransition.setAnimator( LayoutTransition.DISAPPEARING,
                mAnimators.getDisappearingAnimator(getContext()) );
    }
}

Source File: LayoutAnimationsActivity.java From AndroidAnimationExercise with Apache License 2.0

6 votes

private void setupTransition(LayoutTransition transition) {
    CheckBox customAnimCB = (CheckBox) findViewById(R.id.customAnimCB);
    CheckBox appearingCB = (CheckBox) findViewById(R.id.appearingCB);
    CheckBox disappearingCB = (CheckBox) findViewById(R.id.disappearingCB);
    CheckBox changingAppearingCB = (CheckBox) findViewById(R.id.changingAppearingCB);
    CheckBox changingDisappearingCB = (CheckBox) findViewById(R.id.changingDisappearingCB);
    transition.setAnimator(LayoutTransition.APPEARING, appearingCB.isChecked() ?
            (customAnimCB.isChecked() ? customAppearingAnim : defaultAppearingAnim) : null);
    transition.setAnimator(LayoutTransition.DISAPPEARING, disappearingCB.isChecked() ?
            (customAnimCB.isChecked() ? customDisappearingAnim : defaultDisappearingAnim) : null);
    transition.setAnimator(LayoutTransition.CHANGE_APPEARING, changingAppearingCB.isChecked() ?
            (customAnimCB.isChecked() ? customChangingAppearingAnim :
                    defaultChangingAppearingAnim) : null);
    transition.setAnimator(LayoutTransition.CHANGE_DISAPPEARING,
            changingDisappearingCB.isChecked() ?
                    (customAnimCB.isChecked() ? customChangingDisappearingAnim :
                            defaultChangingDisappearingAnim) : null);
}

Source File: GiftControl.java From LiveGiftLayout with Apache License 2.0

6 votes

/**
 * @param giftLayoutParent 存放礼物控件的父容器
 * @param giftLayoutNums   礼物控件的数量
 * @return
 */
public GiftControl setGiftLayout(LinearLayout giftLayoutParent, @NonNull int giftLayoutNums) {
    if (giftLayoutNums <= 0) {
        throw new IllegalArgumentException("GiftFrameLayout数量必须大于0");
    }
    if (giftLayoutParent.getChildCount() > 0) {//如果父容器没有子孩子，就进行添加
        return this;
    }
    mGiftLayoutParent = giftLayoutParent;
    mGiftLayoutMaxNums = giftLayoutNums;
    LayoutTransition transition = new LayoutTransition();
    transition.setAnimator(LayoutTransition.CHANGE_APPEARING,
            transition.getAnimator(LayoutTransition.CHANGE_APPEARING));
    transition.setAnimator(LayoutTransition.APPEARING,
            transition.getAnimator(LayoutTransition.APPEARING));
    transition.setAnimator(LayoutTransition.DISAPPEARING,
            transition.getAnimator(LayoutTransition.CHANGE_APPEARING));
    transition.setAnimator(LayoutTransition.CHANGE_DISAPPEARING,
            transition.getAnimator(LayoutTransition.DISAPPEARING));
    mGiftLayoutParent.setLayoutTransition(transition);

    return this;
}

Source File: LayoutTransitionFragment.java From AndroidAll with Apache License 2.0

6 votes

private LayoutTransition createTransitionChange() {
    LayoutTransition mTransitioner = new LayoutTransition();
    //入场动画:view在这个容器中消失时触发的动画
    ObjectAnimator animIn = ObjectAnimator.ofFloat(null, "rotationY", 0f, 360f, 0f);
    mTransitioner.setAnimator(LayoutTransition.APPEARING, animIn);

    //出场动画:view显示时的动画
    ObjectAnimator animOut = ObjectAnimator.ofFloat(null, "rotation", 0f, 90f, 0f);
    mTransitioner.setAnimator(LayoutTransition.DISAPPEARING, animOut);

    PropertyValuesHolder pvhLeft = PropertyValuesHolder.ofInt("left", 0, 100, 0);
    PropertyValuesHolder pvhTop = PropertyValuesHolder.ofInt("top", 0, 0);
    PropertyValuesHolder pvhRight = PropertyValuesHolder.ofInt("right", 0, 0);
    PropertyValuesHolder pvhBottom = PropertyValuesHolder.ofInt("bottom", 0, 0);


    Animator changeAppearAnimator = ObjectAnimator.ofPropertyValuesHolder(layoutTransitionGroup,
            pvhLeft, pvhTop, pvhRight, pvhBottom);
    mTransitioner.setAnimator(LayoutTransition.CHANGE_APPEARING, changeAppearAnimator);

    /*
        1, LayoutTransition.CHANGE_APPEARING/CHANGE_DISAPPEARING 必须配合PropertyValuesHolder使用才能有效果(使用ObjectAnimator无效).
     */

    return mTransitioner;
}

Source File: PropertyAnimationActivity.java From Android-Animation-Set with Apache License 2.0

6 votes

private void doLayoutAnimator() {
    LayoutTransition layoutTransition = new LayoutTransition();

    layoutTransition.setAnimator(LayoutTransition.APPEARING, getObjectAnimator(false));
    layoutTransition.setAnimator(LayoutTransition.DISAPPEARING, getObjectAnimator(true));
    layoutTransition.setDuration(2000);

    //mPuppet's parentView
    ViewGroup contentView = (ViewGroup) ((ViewGroup) getWindow().getDecorView().findViewById(android.R.id.content)).getChildAt(0);
    contentView.setLayoutTransition(layoutTransition);
    if (contentView.findViewById(R.id.view_puppet) == null) {
        contentView.addView(mPuppet);
    } else {
        contentView.removeView(mPuppet);
    }
}

Source File: CardStreamLinearLayout.java From sensors-samples with Apache License 2.0

6 votes

@TargetApi(Build.VERSION_CODES.HONEYCOMB)
public void setCardStreamAnimator( CardStreamAnimator animators ){

    if( animators == null )
        mAnimators = new CardStreamAnimator.EmptyAnimator();
    else
        mAnimators = animators;

    LayoutTransition layoutTransition = getLayoutTransition();

    if( layoutTransition != null ){
        layoutTransition.setAnimator( LayoutTransition.APPEARING,
                mAnimators.getAppearingAnimator(getContext()) );
        layoutTransition.setAnimator( LayoutTransition.DISAPPEARING,
                mAnimators.getDisappearingAnimator(getContext()) );
    }
}

Source File: LayoutTransitionFragment.java From AndroidAll with Apache License 2.0

5 votes

private LayoutTransition createTransition() {
    LayoutTransition mTransitioner = new LayoutTransition();
    //入场动画:view在这个容器中消失时触发的动画
    ObjectAnimator animIn = ObjectAnimator.ofFloat(null, "rotationY", 0f, 360f, 0f);
    mTransitioner.setAnimator(LayoutTransition.APPEARING, animIn);

    //出场动画:view显示时的动画
    ObjectAnimator animOut = ObjectAnimator.ofFloat(null, "rotation", 0f, 90f, 0f);
    mTransitioner.setAnimator(LayoutTransition.DISAPPEARING, animOut);
    return mTransitioner;
}

Source File: CardStreamLinearLayout.java From sensors-samples with Apache License 2.0

5 votes

@TargetApi(Build.VERSION_CODES.HONEYCOMB)
@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
    super.onLayout(changed, l, t, r, b);
    Log.d(TAG, "onLayout: " + changed);

    if( changed && !mLayouted ){
        mLayouted = true;

        ObjectAnimator animator;
        LayoutTransition layoutTransition = new LayoutTransition();

        animator = mAnimators.getDisappearingAnimator(getContext());
        layoutTransition.setAnimator(LayoutTransition.DISAPPEARING, animator);

        animator = mAnimators.getAppearingAnimator(getContext());
        layoutTransition.setAnimator(LayoutTransition.APPEARING, animator);

        layoutTransition.addTransitionListener(mTransitionListener);

        if( animator != null )
            layoutTransition.setDuration(animator.getDuration());

        setLayoutTransition(layoutTransition);

        if( mShowInitialAnimation )
            runInitialAnimations();

        if (mFirstVisibleCardTag != null) {
            scrollToCard(mFirstVisibleCardTag);
            mFirstVisibleCardTag = null;
        }
    }
}

Source File: MainActivity.java From adjustablelayout with Apache License 2.0

5 votes

private void initAppBarLayout(){
    LayoutTransition mTransition = new LayoutTransition();
    /**
     * 添加View时过渡动画效果
     */
    ObjectAnimator addAnimator = ObjectAnimator.ofFloat(null, "translationY", 0, 1.f).
            setDuration(mTransition.getDuration(LayoutTransition.APPEARING));
    mTransition.setAnimator(LayoutTransition.APPEARING, addAnimator);

    //header layout height
    final int headerHeight = getResources().getDimensionPixelOffset(R.dimen.header_height);
    mAppBarLayout = (AppBarLayout) findViewById(R.id.appbar);
    mAppBarLayout.setLayoutTransition(mTransition);

    mAppBarLayout.addOnOffsetChangedListener(new AppBarLayout.OnOffsetChangedListener() {
        @Override
        public void onOffsetChanged(AppBarLayout appBarLayout, int verticalOffset) {
            verticalOffset = Math.abs(verticalOffset);
            if ( verticalOffset >= headerHeight ){
                isHideHeaderLayout = true;
                //当偏移量超过顶部layout的高度时，我们认为他已经完全移动出屏幕了
                new Handler().postDelayed(new Runnable() {
                    @Override
                    public void run() {
                        AppBarLayout.LayoutParams mParams = (AppBarLayout.LayoutParams) headerLayout.getLayoutParams();
                        mParams.setScrollFlags(0);
                        headerLayout.setLayoutParams(mParams);
                        headerLayout.setVisibility(View.GONE);
                    }
                },100);
            }
        }
    });
}

Source File: CardStreamLinearLayout.java From android-play-places with Apache License 2.0

5 votes

@TargetApi(Build.VERSION_CODES.HONEYCOMB)
@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
    super.onLayout(changed, l, t, r, b);
    Log.d(TAG, "onLayout: " + changed);

    if( changed && !mLayouted ){
        mLayouted = true;

        ObjectAnimator animator;
        LayoutTransition layoutTransition = new LayoutTransition();

        animator = mAnimators.getDisappearingAnimator(getContext());
        layoutTransition.setAnimator(LayoutTransition.DISAPPEARING, animator);

        animator = mAnimators.getAppearingAnimator(getContext());
        layoutTransition.setAnimator(LayoutTransition.APPEARING, animator);

        layoutTransition.addTransitionListener(mTransitionListener);

        if( animator != null )
            layoutTransition.setDuration(animator.getDuration());

        setLayoutTransition(layoutTransition);

        if( mShowInitialAnimation )
            runInitialAnimations();

        if (mFirstVisibleCardTag != null) {
            scrollToCard(mFirstVisibleCardTag);
            mFirstVisibleCardTag = null;
        }
    }
}

Source File: PbChatActivity.java From imsdk-android with MIT License

5 votes

/**
 * 显示搜索按钮
 */
@SuppressLint("ObjectAnimatorBinding")
private void showSearchView() {
    if (isFinishing()) {
        return;
    }
    final TipsFloatView tipsFloatView = new TipsFloatView(this);
    tipsFloatView.setTag(TAG_SEARCH_VIEW);
    tipsFloatView.setClickListener(v -> {
        Intent intent = ReflectUtil.getQtalkServiceRNActivityIntent(PbChatActivity.this);
        if(intent == null){
            return;
        }
        intent.putExtra("module", "Search");
        intent.putExtra("Version", "1.0.0");
        intent.putExtra("xmppid", jid);
        intent.putExtra("realjid", realJid);
        intent.putExtra("chatType", chatType);
        intent.putExtra("Screen", "LocalSearch");
        startActivity(intent);
        clearSearchTip();
    });

    final LayoutTransition layoutTransition = new LayoutTransition();
    layoutTransition.setAnimator(LayoutTransition.APPEARING, ObjectAnimator.ofFloat(this, "scaleX", 0, 1));
    getHandler().postDelayed(() -> {
        if(!isFinishing()){
            chating_view.setLayoutTransition(layoutTransition);
            chating_view.addView(tipsFloatView);
        }
    }, 500);

}

Source File: MDA_PageListLayout.java From DraggedViewPager with Apache License 2.0

5 votes

private void init() {
    //设置布局方向
    setOrientation(VERTICAL);
    //设置动画
    LayoutTransition layoutTransition = new LayoutTransition();
    layoutTransition.setAnimator(LayoutTransition.APPEARING, null);
    layoutTransition.setAnimator(LayoutTransition.DISAPPEARING, null);
    setLayoutTransition(layoutTransition);
}

Source File: CardStreamLinearLayout.java From android-BatchStepSensor with Apache License 2.0

5 votes

@TargetApi(Build.VERSION_CODES.HONEYCOMB)
@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
    super.onLayout(changed, l, t, r, b);
    Log.d(TAG, "onLayout: " + changed);

    if( changed && !mLayouted ){
        mLayouted = true;

        ObjectAnimator animator;
        LayoutTransition layoutTransition = new LayoutTransition();

        animator = mAnimators.getDisappearingAnimator(getContext());
        layoutTransition.setAnimator(LayoutTransition.DISAPPEARING, animator);

        animator = mAnimators.getAppearingAnimator(getContext());
        layoutTransition.setAnimator(LayoutTransition.APPEARING, animator);

        layoutTransition.addTransitionListener(mTransitionListener);

        if( animator != null )
            layoutTransition.setDuration(animator.getDuration());

        setLayoutTransition(layoutTransition);

        if( mShowInitialAnimation )
            runInitialAnimations();

        if (mFirstVisibleCardTag != null) {
            scrollToCard(mFirstVisibleCardTag);
            mFirstVisibleCardTag = null;
        }
    }
}

Source File: PbChatActivity.java From imsdk-android with MIT License

4 votes

/**
 * at消息提示
 */
@SuppressLint("ObjectAnimatorBinding")
public void showAtmsgView() {
    if (isFinishing()) {
        return;
    }
    ImageView tipImage = new ImageView(PbChatActivity.this);
    tipImage.setImageResource(R.drawable.atom_ui_chat_unread_tip);

    final TextView textView = new TextView(PbChatActivity.this);
    int padding = Utils.dipToPixels(PbChatActivity.this, 4);
    int size = Utils.dipToPixels(PbChatActivity.this, 30);
    int topMargin = Utils.dipToPixels(PbChatActivity.this, 70);
    final LinearLayout linearLayout = new LinearLayout(PbChatActivity.this);
    linearLayout.setOrientation(LinearLayout.HORIZONTAL);
    linearLayout.setGravity(Gravity.CENTER_VERTICAL);
    linearLayout.setBackgroundResource(R.drawable.atom_ui_float_tab);
    RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT,
            size);
    layoutParams.addRule(RelativeLayout.ALIGN_PARENT_RIGHT);
    layoutParams.setMargins(0, topMargin, 0, 0);
    linearLayout.setPadding(padding * 2, padding, padding * 2, padding);
    linearLayout.setLayoutParams(layoutParams);
    textView.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.MATCH_PARENT));
    textView.setGravity(Gravity.CENTER);
    textView.setTextSize(TypedValue.COMPLEX_UNIT_SP, 13);

    String msg = MessageFormat.format(getString(R.string.atom_ui_tip_somebody_at_you), atMsgIndexs.size());
    textView.setText(msg);
    textView.setTextColor(Color.parseColor("#EB524A"));
    textView.setPadding(padding * 2, 0, 0, 0);
    textView.setOnClickListener(v -> {
        chat_region.getRefreshableView().smoothScrollToPosition(atMsgIndex);
        clearAtmsgTip();
    });
    linearLayout.addView(tipImage);
    linearLayout.addView(textView);
    linearLayout.setTag(TAG_ATMSG_VIEW);
    final LayoutTransition layoutTransition = new LayoutTransition();
    layoutTransition.setAnimator(LayoutTransition.APPEARING, ObjectAnimator.ofFloat(this, "scaleX", 0, 1));
    getHandler().postDelayed(() -> {
        if (!isFinishing()) {
            chating_view.setLayoutTransition(layoutTransition);
            chating_view.addView(linearLayout);
        }
    }, 500);
}

Source File: LayoutAnimActivity.java From AndroidStudyDemo with GNU General Public License v2.0

4 votes

private void setupTransition(LayoutTransition transition) {
    // 首先，把多选按钮全都获取一遍
    CheckBox customAnimCB = (CheckBox) findViewById(R.id.cb_customanim);
    CheckBox appearingCB = (CheckBox) findViewById(R.id.cb_appearing);
    CheckBox disappearingCB = (CheckBox) findViewById(R.id.cb_disappearing);
    CheckBox changingAppearingCB = (CheckBox) findViewById(R.id.cb_changingAppearing);
    CheckBox changingDisappearingCB = (CheckBox) findViewById(R.id.cb_changingDisappearing);

    // 然后，根据多选按钮的选择状态来setAnimator

    // 解释一下第一个：
    // mAppearingCB.isChecked()?
    // / \
    // true false -> transition.setAnimator(LayoutTransition.APPEARING,null)
    // |
    // mCustomAnimCB.isChecked() ?
    // / \
    // true false ->
    // transition.setAnimator(LayoutTransition.APPEARING,mDefaultAppearingAnim)
    // |-->transition.setAnimator(LayoutTransition.APPEARING,mCustomAppearingAnim)
    transition.setAnimator(LayoutTransition.APPEARING, appearingCB
            .isChecked() ? (customAnimCB.isChecked() ? mCustomAppearingAnim
            : mDefaultAppearingAnim) : null);

    // 后面三个依次类推
    transition
            .setAnimator(
                    LayoutTransition.DISAPPEARING,
                    disappearingCB.isChecked() ? (customAnimCB.isChecked() ? mCustomDisappearingAnim
                            : mDefaultDisappearingAnim)
                            : null);
    transition
            .setAnimator(
                    LayoutTransition.CHANGE_APPEARING,
                    changingAppearingCB.isChecked() ? (customAnimCB
                            .isChecked() ? mCustomChangingAppearingAnim
                            : mDefaultChangingAppearingAnim) : null);
    transition
            .setAnimator(
                    LayoutTransition.CHANGE_DISAPPEARING,
                    changingDisappearingCB.isChecked() ? (customAnimCB
                            .isChecked() ? mCustomChangingDisappearingAnim
                            : mDefaultChangingDisappearingAnim) : null);
}

Source File: PbChatActivity.java From imsdk-android with MIT License

4 votes

/**
 * 未读消息数提示
 * isNew 是否是新消息
 */
@SuppressLint("ObjectAnimatorBinding")
public void showUnreadView(int unread) {
    if (unread <= 0 || isFinishing()) {
        return;
    }

    ImageView tipImage = new ImageView(PbChatActivity.this);
    tipImage.setImageResource(R.drawable.atom_ui_chat_unread_tip);

    final TextView textView = new TextView(PbChatActivity.this);
    int padding = Utils.dipToPixels(PbChatActivity.this, 4);
    int size = Utils.dipToPixels(PbChatActivity.this, 30);
    int topMargin = Utils.dipToPixels(PbChatActivity.this, 30);
    final LinearLayout linearLayout = new LinearLayout(PbChatActivity.this);
    linearLayout.setOrientation(LinearLayout.HORIZONTAL);
    linearLayout.setGravity(Gravity.CENTER_VERTICAL);
    linearLayout.setBackgroundResource(R.drawable.atom_ui_float_tab);
    RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT,
            size);
    layoutParams.addRule(RelativeLayout.ALIGN_PARENT_RIGHT);
    layoutParams.setMargins(0, topMargin, 0, 0);
    linearLayout.setPadding(padding * 2, padding, padding * 2, padding);
    linearLayout.setLayoutParams(layoutParams);
    textView.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.MATCH_PARENT));
    textView.setGravity(Gravity.CENTER);
    textView.setTextSize(TypedValue.COMPLEX_UNIT_SP, 13);
    textView.setTextColor(Color.parseColor("#666666"));

    String msg = unread + (String) getText(R.string.atom_ui_tip_unread_message);
    textView.setText(msg);
    textView.setPadding(padding*2, 0, 0, 0);
    textView.setOnClickListener((view) -> {
        chat_region.getRefreshableView().smoothScrollToPosition(pbChatViewAdapter.getCount() - unreadMsgCount.intValue() - 1);
        clearUnread();
    });
    linearLayout.addView(tipImage);
    linearLayout.addView(textView);
    linearLayout.setTag(TAG_UNREAD_VIEW);
    final LayoutTransition layoutTransition = new LayoutTransition();
    layoutTransition.setAnimator(LayoutTransition.APPEARING, ObjectAnimator.ofFloat(this, "scaleX", 0, 1));
    getHandler().postDelayed(() -> {
        if(!isFinishing()){
            chating_view.setLayoutTransition(layoutTransition);
            chating_view.addView(linearLayout);
        }
    }, 500);
}

Source File: LayoutAnimations.java From AnimationApiDemos with Apache License 2.0

4 votes

private void setupTransition(LayoutTransition transition) {
	// 首先，把多选按钮全都获取一遍
	CheckBox customAnimCB = (CheckBox) findViewById(R.id.customAnimCB);
	CheckBox appearingCB = (CheckBox) findViewById(R.id.appearingCB);
	CheckBox disappearingCB = (CheckBox) findViewById(R.id.disappearingCB);
	CheckBox changingAppearingCB = (CheckBox) findViewById(R.id.changingAppearingCB);
	CheckBox changingDisappearingCB = (CheckBox) findViewById(R.id.changingDisappearingCB);

	// 然后，根据多选按钮的选择状态来setAnimator

	// 解释一下第一个：
	// appearingCB.isChecked()?
	// / \
	// true false -> transition.setAnimator(LayoutTransition.APPEARING,null)
	// |
	// customAnimCB.isChecked() ?
	// / \
	// true false ->
	// transition.setAnimator(LayoutTransition.APPEARING,defaultAppearingAnim)
	// |-->transition.setAnimator(LayoutTransition.APPEARING,customAppearingAnim)
	transition.setAnimator(LayoutTransition.APPEARING, appearingCB
			.isChecked() ? (customAnimCB.isChecked() ? customAppearingAnim
			: defaultAppearingAnim) : null);

	// 后面三个依次类推
	transition
			.setAnimator(
					LayoutTransition.DISAPPEARING,
					disappearingCB.isChecked() ? (customAnimCB.isChecked() ? customDisappearingAnim
							: defaultDisappearingAnim)
							: null);
	transition
			.setAnimator(
					LayoutTransition.CHANGE_APPEARING,
					changingAppearingCB.isChecked() ? (customAnimCB
							.isChecked() ? customChangingAppearingAnim
							: defaultChangingAppearingAnim) : null);
	transition
			.setAnimator(
					LayoutTransition.CHANGE_DISAPPEARING,
					changingDisappearingCB.isChecked() ? (customAnimCB
							.isChecked() ? customChangingDisappearingAnim
							: defaultChangingDisappearingAnim) : null);
}

Java Code Examples for android.animation.LayoutTransition#setAnimator()