A笔记

代码记录：

fragment_cont_in.xml

<?xml version="1.0" encoding="utf-8"?>
<set>
<objectAnimator xmlns:android="http://schemas.android.com/apk/res/android"
android:propertyName="x"
android:valueType="floatType"
android:valueFrom="1280"
android:valueTo="0"
android:duration="200"/>
</set>

fragment_cont_out.xml

<?xml version="1.0" encoding="utf-8"?>
<set>
  <objectAnimator xmlns:android="http://schemas.android.com/apk/res/android"
    android:propertyName="x" 
    android:valueType="floatType"
    android:valueFrom="0"
    android:valueTo="1280" 
    android:duration="200"/>
</set>

fragment_main_in.xml

<?xml version="1.0" encoding="utf-8"?>
<set>  
    <objectAnimator xmlns:android="http://schemas.android.com/apk/res/android" 
        android:duration="200"  
        android:propertyName="scaleX"  
        android:valueFrom="0.8"  
        android:valueTo="1" >  
    </objectAnimator>  
    <objectAnimator xmlns:android="http://schemas.android.com/apk/res/android"   
        android:duration="200"  
        android:propertyName="scaleY"  
        android:valueFrom="0.8"  
        android:valueTo="1" >  
    </objectAnimator> 
</set>

fragment_main_out.xml

<?xml version="1.0" encoding="utf-8"?>
<set>  
    <objectAnimator xmlns:android="http://schemas.android.com/apk/res/android" 
        android:duration="200"  
        android:propertyName="scaleX"  
        android:valueFrom="1"  
        android:valueTo="0.8" >  
    </objectAnimator>  
    <objectAnimator xmlns:android="http://schemas.android.com/apk/res/android"   
        android:duration="200"  
        android:propertyName="scaleY"  
        android:valueFrom="1"  
        android:valueTo="0.8" >  
    </objectAnimator> 
</set>

file

public void switchContent(Fragment from, Fragment to) {  
        FragmentManager fm = getFragmentManager();  
        // 开启Fragment事务  
//        FragmentTransaction transaction = fm.beginTransaction(); 
        if (mCurFragment != to) {  
            mCurFragment = to;  
            FragmentTransaction transaction = fm.beginTransaction();
            if(mCurFragment==mMain) {
                transaction.setCustomAnimations(R.animator.fragment_main_in, R.animator.fragment_cont_out);
            } else {
                transaction.setCustomAnimations(R.animator.fragment_cont_in, R.animator.fragment_main_out);
            }
//                     .setCustomAnimations(  
//                     android.R.anim.fade_in, R.anim.);  
            Log.i("testFile", "to.isAdded()" + !to.isAdded());
            if (!to.isAdded()) {    // 先判断是否被add过  
                transaction.hide(from).add(R.id.container_frame, to).commit(); // 隐藏当前的fragment，add下一个到Activity中  
            } else {  
                transaction.hide(from).show(to).commit(); // 隐藏当前的fragment，显示下一个  
            }  
        }  
     } 

 

 

 

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