[英]Setting Android fragment enter and exit transitions?
我正在嘗試為DialogFragment設置進入和退出轉換,這似乎很直接。 以下是我的DrinkDetailActivity中創建對話框的代碼:
fab.setOnClickListener(new View.OnClickListener(){
@Override
public void onClick(View v) {
//create and display the dialog
DialogFragment orderFragment = new OrderDrinkDialogFragment();
//set the slide transition for the fragment
Transition dialSlide = new Slide();
dialSlide.setDuration(300);
orderFragment.setEnterTransition(dialSlide);
orderFragment.setExitTransition(dialSlide);
orderFragment.show(getFragmentManager(), "order");
}
});
這是我的OrderDrinkDialogFragment類的代碼:
public class OrderDrinkDialogFragment extends DialogFragment
{
@Override
public Dialog onCreateDialog(Bundle savedInstanceState)
{
AlertDialog.Builder builder = new AlertDialog.Builder(DrinkDetailActivity.activity);
//set up the Linear Layout of the dialog
LinearLayout layout = new LinearLayout(DrinkDetailActivity.activity);
LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT,
LinearLayout.LayoutParams.WRAP_CONTENT);
layout.setOrientation(LinearLayout.VERTICAL);
layout.setLayoutParams(params);
//set up the EditText view
EditText nameField = new EditText(DrinkDetailActivity.activity);
nameField.setHint(R.string.dialog_name_hint);
//add the EditText view to the layout
layout.addView(nameField, new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT,
LinearLayout.LayoutParams.WRAP_CONTENT));
//set layout as the view of the dialog
builder.setView(layout);
return builder.create();
}
}
DrinkDetailActivity.activity
僅僅是this
距離的實例中DrinkDetailActivity
。 出於某種原因,當我show()
它或它被解除時,對話框不會轉換,它只是彈出和退出視圖。 本教程幫助我了解了應用程序其余部分的Activity轉換,並按照相同的說明進行了片段轉換。 我究竟做錯了什么?
這對我有用。我向上滑動動畫是
<?xml version="1.0" encoding="utf-8"?> <set xmlns:android="http://schemas.android.com/apk/res/android" >
<translate
android:duration="@android:integer/config_mediumAnimTime"
android:fromYDelta="100%"
android:interpolator="@android:anim/accelerate_interpolator"
android:toXDelta="0" />
</set>
我的幻燈片動畫是
<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android" >
<translate
android:duration="@android:integer/config_mediumAnimTime"
android:fromYDelta="0%p"
android:interpolator="@android:anim/accelerate_interpolator"
android:toYDelta="100%p" />
</set>
在你的樣式中添加這個
<style name="DialogAnimation">
<item name="android:windowEnterAnimation">@anim/slide_up</item>
<item name="android:windowExitAnimation">@anim/slide_down</item>
</style>
現在終於在你的onCreateDialog()
的Dialog片段添加這個
public Dialog onCreateDialog(Bundle savedInstanceState)
{
final Dialog dialog = super.onCreateDialog(savedInstanceState);
dialog.getWindow().getAttributes().windowAnimations = R.style.DialogAnimation;
return dialog;
}
您需要在Dialog等任何窗口上編寫用於顯示動畫的樣式
<style name="AnimDialog" parent="@android:style/Theme.Dialog">
<item name="android:windowAnimationStyle">@style/DialogAnimation</item>
</style>
<style name="DialogAnimation">
<item name="android:windowEnterAnimation">@anim/fadein</item>
<item name="android:windowExitAnimation">@anim/fadeout</item>
</style>
對於您的對話框,您需要實例化
Dialog animatedDialog = new Dialog(MainActivity.this,R.style.AnimDialog);
DialogFragment不僅是一個Dialog,也是一個Fragment ,有關如何使用它的詳細信息,請參閱基本對話框 。 您在Fragment中使用了onCreateDialog,這可能是導致問題的原因。 因此,使用onCreateView創建片段對話框視圖。
希望這個答案可以幫到你。
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