最近在做視頻錄像的一個小功能,功能不多,就錄像,保存,取消。界面類似微信那樣。
界面是這樣的,額,因爲UI沒給我圖,右上角是切換攝像頭,指紋那裏是長按錄像。鬆開錄製結束,會出現兩個按鈕,位置和錄像按鈕一樣,然後動畫平移至兩邊,再把錄像隱藏
在界面上就類似這種效果,動畫也比較簡單。上界面代碼,代碼都比較簡單,可以跳過
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.envcloud.zhuhui.avoid.flood.ui.activity.RecordVideoActivity">
<SurfaceView
android:id="@+id/surface_view"
android:layout_width="match_parent"
android:layout_height="match_parent" />
<ImageView
android:id="@+id/iv_camera_change"
android:layout_width="27dp"
android:layout_height="27dp"
android:padding="1dp"
android:layout_marginEnd="16dp"
android:layout_marginTop="32dp"
android:scaleType="fitCenter"
android:src="@drawable/ic_refresh"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<TextView
android:id="@+id/iv_back"
android:layout_width="60dp"
android:layout_height="60dp"
android:background="@drawable/circle_green"
android:layout_marginBottom="24dp"
android:gravity="center"
android:textSize="16sp"
android:visibility="gone"
android:textColor="@color/white"
android:text="返回"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent" />
<TextView
android:id="@+id/iv_save"
android:layout_width="60dp"
android:layout_height="60dp"
android:layout_marginBottom="24dp"
android:visibility="gone"
android:gravity="center"
android:textSize="16sp"
android:textColor="@color/white"
android:text="保存"
android:background="@drawable/circle_purple"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent" />
<ImageView
android:id="@+id/iv_record"
android:layout_width="60dp"
android:layout_height="60dp"
android:src="@drawable/ic_fingerprint"
android:layout_marginBottom="24dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent" />
<ImageView
android:id="@+id/iv_finish"
android:layout_width="25dp"
android:layout_height="16dp"
android:src="@drawable/ic_arrow_down"
app:layout_constraintTop_toTopOf="@+id/iv_record"
app:layout_constraintBottom_toBottomOf="@+id/iv_record"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintEnd_toStartOf="@+id/iv_record"/>
</android.support.constraint.ConstraintLayout>
後面應該是圖片替換文字,所以取名先是iv_xxx了,不影響,iv_finish是一個結束當前activity,iv_back是不保存視頻,重新拍攝,其他控件意思應該沒什麼問題。動畫部分的代碼:
private void initAnimator() {
showSave = new AnimatorSet();
ObjectAnimator backA = ObjectAnimator.ofFloat(ivBack, "translationX",
0, -150);
ObjectAnimator saveA = ObjectAnimator.ofFloat(ivSave, "translationX",
0, 150);
showSave.play(backA).with(saveA);
showSave.setDuration(600);
showSave.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
super.onAnimationEnd(animation);
playing = false;
}
@Override
public void onAnimationStart(Animator animation) {
super.onAnimationStart(animation);
playing = true;//動畫未完成不允許點擊事件
}
});
showRecord = new AnimatorSet();
ObjectAnimator backB = ObjectAnimator.ofFloat(ivBack, "translationX",
-150, 0);
ObjectAnimator saveB = ObjectAnimator.ofFloat(ivSave, "translationX",
150, 0);
showRecord.play(backB).with(saveB);
showRecord.setDuration(600);
showRecord.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
super.onAnimationEnd(animation);
playing = false;
visible(true);
}
@Override
public void onAnimationStart(Animator animation) {
super.onAnimationStart(animation);
playing = true;//動畫未完成不允許點擊事件
}
});
}
然後visible(boolean bool)是在動畫開始前和結束後,控件的顯示,比方保存和返回在要錄像和錄像中開始是GONE,錄像結束錄像按鈕和轉換攝像頭是GONE,一個動畫是在錄製完成的時候showSave.start();一個是在點了返回後showRecord.start();
結果最後的顯示效果是,用uc轉gif是真的模糊,將就着看吧:
我懵逼了,這咋回事啊,爲什麼會顯示一部份,像被遮擋了一樣,檢查了下代碼,沒東西遮住他,代碼位置也是在SurfaceView下面,而且顯示的這一部分剛好和錄像按鈕區域一致。原理沒深究,我猜是(我猜的,看看就好,不要把這個作爲理解,或者作爲依據,這個還是需要看源碼的)SurfaceView在實時繪製的時候,除了一開始在屏幕上顯示,初始化的控件,會爲他們留一片區域,位於SurfaceView的上方,其他區域都是在界面最上層。而那兩個按鈕,開始是設置成GONE的,界面初始化的時候在屏幕中沒有被繪製,因此沒有區域爲他們預留。解決方法:將一個充滿屏幕寬度的,高和按鈕一樣的,背景是透明的View,放置在按鈕那個位置,讓SurfaceView在實時繪製的時候,總是留一片區域在下層。
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.envcloud.zhuhui.avoid.flood.ui.activity.RecordVideoActivity">
<SurfaceView
android:id="@+id/surface_view"
android:layout_width="match_parent"
android:layout_height="match_parent" />
<ImageView
android:id="@+id/iv_camera_change"
android:layout_width="27dp"
android:layout_height="27dp"
android:padding="1dp"
android:layout_marginEnd="16dp"
android:layout_marginTop="32dp"
android:scaleType="fitCenter"
android:src="@drawable/ic_refresh"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<View
android:layout_width="match_parent"
android:layout_height="70dp"
app:layout_constraintTop_toTopOf="@+id/iv_record"
app:layout_constraintBottom_toBottomOf="@+id/iv_record"/>
<TextView
android:id="@+id/iv_back"
android:layout_width="60dp"
android:layout_height="60dp"
android:background="@drawable/circle_green"
android:layout_marginBottom="24dp"
android:gravity="center"
android:textSize="16sp"
android:visibility="gone"
android:textColor="@color/white"
android:text="返回"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent" />
<TextView
android:id="@+id/iv_save"
android:layout_width="60dp"
android:layout_height="60dp"
android:layout_marginBottom="24dp"
android:visibility="gone"
android:gravity="center"
android:textSize="16sp"
android:textColor="@color/white"
android:text="保存"
android:background="@drawable/circle_purple"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent" />
<ImageView
android:id="@+id/iv_record"
android:layout_width="60dp"
android:layout_height="60dp"
android:src="@drawable/ic_fingerprint"
android:layout_marginBottom="24dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent" />
<ImageView
android:id="@+id/iv_finish"
android:layout_width="25dp"
android:layout_height="16dp"
android:src="@drawable/ic_arrow_down"
app:layout_constraintTop_toTopOf="@+id/iv_record"
app:layout_constraintBottom_toBottomOf="@+id/iv_record"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintEnd_toStartOf="@+id/iv_record"/>
</android.support.constraint.ConstraintLayout>
java代碼不需要改任何東西,上效果圖:
醬醬,居然成功了。點擊也是完美,沒有衝突什麼的!