0
我面臨一個奇怪的問題，我已經使用RelativeLayout生成了我的佈局文件。然而，當閱讀其中一個孩子的頂部時，它被返回爲零，這導致我的整個動畫邏輯進行折騰。RelativeLayout的小孩頂部即將爲零
我的想法是將它們從屏幕底部移動到初始位置。下面是我的代碼，來自你的任何幫助都將不勝感激。
我的佈局文件。
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center_horizontal"
android:paddingLeft="35dp"
android:paddingRight="35dp" >
<LinearLayout
android:id="@+id/msgs"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_marginBottom="35dp"
android:layout_marginTop="25dp"
android:orientation="vertical" >
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="20dp"
android:gravity="center_horizontal"
android:text="@string/share"
android:textColor="@android:color/black"
android:textSize="26dp"
android:typeface="monospace" />
<TextView
android:layout_width="match_parent"
android:layout_height="48dp"
android:layout_gravity="top"
android:maxLines="3"
android:text="@string/share_message"
android:textColor="@android:color/black"
android:textSize="14dp"
android:typeface="sans" />
</LinearLayout>
<ImageView
android:id="@+id/view_twitter"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:layout_above="@id/msgs"
android:layout_marginEnd="25dp"
android:scaleType="fitCenter"
android:src="@drawable/circle_twitter" />
<ImageView
android:id="@+id/view_facebook"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_above="@id/msgs"
android:layout_marginEnd="25dp"
android:scaleType="fitCenter"
android:layout_toStartOf="@id/view_twitter"
android:src="@drawable/facebook_circle" />
<ImageView
android:id="@+id/view_google"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_above="@id/msgs"
android:layout_marginEnd="25dp"
android:layout_toEndOf="@id/view_twitter"
android:scaleType="fitCenter"
android:src="@drawable/google_circle" />
</RelativeLayout>
我的片段代碼，其中正在動畫他們
import android.animation.Animator;
import android.animation.Animator.AnimatorListener;
import android.animation.AnimatorSet;
import android.animation.ObjectAnimator;
import android.graphics.Point;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.Display;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.animation.AccelerateDecelerateInterpolator;
public class IntroFragmentThird extends Fragment{
View google;
View twitter;
View facebook;
View messagePanel;
int screenHeight;
int screenWidth;
int offset;
float beginPoint;
@Override
public void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
Display display = getActivity().getWindowManager().getDefaultDisplay();
Point size = new Point();
display.getSize(size);
screenWidth = size.x;
screenHeight = size.y;
offset = screenHeight + 200; // start from 200px below screen height
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.intro3_layout, container, false);
google = view.findViewById(R.id.view_google);
facebook = view.findViewById(R.id.view_facebook);
twitter = view.findViewById(R.id.view_twitter);
messagePanel = view.findViewById(R.id.msgs);
google.setVisibility(View.GONE); // Initial view visibility will be gone
facebook.setVisibility(View.GONE);
twitter.setVisibility(View.GONE);
beginPoint = twitter.getTop(); // this is coming as ZERO
return view;
}
@Override
public void onResume() {
// TODO Auto-generated method stub
super.onResume();
System.out.println("#### Top : " + beginPoint);
playScreenAnimation();
}
public void playScreenAnimation(){
facebook.clearAnimation();
facebook.setVisibility(View.GONE);
facebook.clearAnimation();
facebook.setVisibility(View.GONE);
facebook.clearAnimation();
facebook.setVisibility(View.GONE);
ObjectAnimator anim1 = ObjectAnimator.ofFloat(facebook, "y", offset , beginPoint);
anim1.setInterpolator(new AccelerateDecelerateInterpolator());
anim1.setDuration(1000);
anim1.setStartDelay(1000);
anim1.addListener(new AnimatorListener(){
@Override
public void onAnimationStart(Animator animation) {
facebook.setVisibility(View.VISIBLE);
}
@Override
public void onAnimationEnd(Animator animation) {
// TODO Auto-generated method stub
}
@Override
public void onAnimationCancel(Animator animation) {
// TODO Auto-generated method stub
}
@Override
public void onAnimationRepeat(Animator animation) {
// TODO Auto-generated method stub
}
});
ObjectAnimator anim2 = ObjectAnimator.ofFloat(twitter, "y", offset , beginPoint);
anim2.setInterpolator(new AccelerateDecelerateInterpolator());
anim2.setDuration(1000);
anim2.addListener(new AnimatorListener(){
@Override
public void onAnimationStart(Animator animation) {
twitter.setVisibility(View.VISIBLE);
}
@Override
public void onAnimationEnd(Animator animation) {
// TODO Auto-generated method stub
}
@Override
public void onAnimationCancel(Animator animation) {
// TODO Auto-generated method stub
}
@Override
public void onAnimationRepeat(Animator animation) {
// TODO Auto-generated method stub
}
});
ObjectAnimator anim3 = ObjectAnimator.ofFloat(google, "y", offset , beginPoint);
anim3.setInterpolator(new AccelerateDecelerateInterpolator());
anim3.setDuration(1000);
anim3.setStartDelay(1000);
anim3.addListener(new AnimatorListener(){
@Override
public void onAnimationStart(Animator animation) {
google.setVisibility(View.VISIBLE);
}
@Override
public void onAnimationEnd(Animator animation) {
// TODO Auto-generated method stub
}
@Override
public void onAnimationCancel(Animator animation) {
// TODO Auto-generated method stub
}
@Override
public void onAnimationRepeat(Animator animation) {
// TODO Auto-generated method stub
}
});
AnimatorSet set = new AnimatorSet();
set.playTogether(anim2,anim1,anim3);
set.start();
}
}
這裏是屏幕截圖，視圖（這三個FB，G +，微博界正在動畫）
使用INVISIBLE insted GONE n試試... –
確定讓我試試!! – Techfist
沒有它沒有工作仍然頂部是作爲零@MSGadag – Techfist