android-animation

问题 i use this code to when i click on a imagebox, run an animation on another object and dissaper itself via visibility.GONE. but it doesnt work!! here is my code: againbtn.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { //answer button on animation Animation anim2 = AnimationUtils.loadAnimation(MainActivity.this, R.anim.askbtnonanim); anim2.setFillAfter(true); askbtn.startAnimation(anim2); //gone myselft (againbtn) againbtn.setVisibility(View.GONE); } }); if a

问题 I've been trying different approaches to get the expand/collapse animation with object animator but none of them so far worked. I have used this solution and it works, but when I read the documentation it says it's more preferred to use animator to permanently animate objects rather than animation. Problem with my code is that it always starts from top of the view, and yet I need to expand/collapse the view from bottom. here is my code: public boolean collapse( View view, int start, int end )

问题 I've been trying different approaches to get the expand/collapse animation with object animator but none of them so far worked. I have used this solution and it works, but when I read the documentation it says it's more preferred to use animator to permanently animate objects rather than animation. Problem with my code is that it always starts from top of the view, and yet I need to expand/collapse the view from bottom. here is my code: public boolean collapse( View view, int start, int end )

问题 i want to implement Globe-Weis File Folder like picture below which by clicking on green button it scrolling smoothly up and by clicking on the green button again ,the folder page scrolling down smoothly. what i try so far was putting three scrollView in a frameLayout , and to open and close it if (!underIsOpen) { ObjectAnimator .ofInt(sv_Under, "scrollY", findViewById(R.id.ll_under_botton).getTop()) .setDuration(1000).start(); underIsOpen = true; } else { ObjectAnimator .ofInt(sv_Under,

问题 Hi I am getting list of images from server and tried by displaying through Ultra visual effect. But When I use in listview, it displays with plain similar to listview effect of images when scroll down. How to use ultra visual in listview? My code is as follows which followed from this. Creating animation for images from small to large when scrolling vertical public class Activity { ListView listview = (ListView)findViewById(R.id.list); adapter = new ActorAdapter(getApplicationContext(), R

问题 If i have my animations defined in xml then i can animate between activities like //Calls a new Activity startActivity(new Intent(this, NewActivity.class)); //Set the transition -> method available from Android 2.0 and beyond overridePendingTransition(R.anim.push_left_in,R.anim.push_up_out); But I have my animation defined in Java. Function "overridePendingTransition(int , int)" takes int arguments for animations. How can I use programmatically defined animations instead? 回答1: I Found out

问题 If i have my animations defined in xml then i can animate between activities like //Calls a new Activity startActivity(new Intent(this, NewActivity.class)); //Set the transition -> method available from Android 2.0 and beyond overridePendingTransition(R.anim.push_left_in,R.anim.push_up_out); But I have my animation defined in Java. Function "overridePendingTransition(int , int)" takes int arguments for animations. How can I use programmatically defined animations instead? 回答1: I Found out

问题 I am trying to animate a horizontal list item dismiss the alpha animation works and the layoutparam values also decrease over time but for some reason that doesn't change the actual height of the list item. @Override protected void applyTransformation(float interpolatedTime, Transformation t) { final int initialHeight = view.getMeasuredHeight(); if(interpolatedTime == 1){ imageAdapter.remove(view, position); }else{ view.getLayoutParams().height = initialHeight - (int)(initialHeight *

问题 I am using ViewPager in Activity . I need to have this effect between pages flipping. I have never seen such kind of effect other than in the flipping between home screens of Android. If you have used this animation or if you have heard the name of animation please help me. I don't have any ideas about this animation. 回答1: This effect is called cover flow. In this link you can find the code for making a cover flow effect. You also have another animation effect in Android which is called page

问题 I am facing the following issue when I am using PropertyValuesHolder.ofFloat(....) PropertyValuesHolder: Couldn't find setter/getter for property < Property-name > with value type float Other wise it is working good if I replace .ofFloat(...) to ofInt(....) By using ofInt(....), the animation is not animating smoothly. I am also checked for solution posted PropertyValuesHolder: Couldn't find setter/getter for property alpha with value type float But this solution won't work for me since I am