当用动画从下向上移动图像时，没有得到完整的图像，我声明 imageview 宽度换行内容。当我向下移动它时它工作得很好，但是当我向上拖动图像时，显示部分带有动画没有得到完整的图像。
public class MainActivity extends Activity {
// mainLayout is the child of the HorizontalScrollView ...
private LinearLayout mainLayout;
// this is an array that holds the IDs of the drawables ...
private int[] images = { R.drawable.gg, R.drawable.gg, R.drawable.gg,
R.drawable.gg, R.drawable.gg, R.drawable.gg };
int status = 0;
int Measuredwidth = 0, MeasuredHeight = 0;
float x = 0;
boolean first = true;
ImageButton btn;
View cell = null;
Matrix matrix = new Matrix();
Matrix savedMatrix = new Matrix();
PointF startPoint = new PointF();
static final int NONE = 0;
static final int DRAG = 1;
Bitmap icon;
int mode = NONE;
AnimationListener animx;
/** Called when the activity is first created. */
@TargetApi(Build.VERSION_CODES.HONEYCOMB_MR2)
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
setContentView(R.layout.activity_main);
mainLayout = (LinearLayout) findViewById(R.id.linearLayout);
for (int i = 0; i < images.length; i++) {
cell = getLayoutInflater().inflate(R.layout.image, null);
final ImageView img = (ImageView) cell.findViewById(R.id.imageView);
img.setImageResource(images[i]);
// mainLayout.addView(cell);
// }
final LinearLayout ll = (LinearLayout) cell
.findViewById(R.id.lllayout);
Point size = new Point();
WindowManager w = getWindowManager();
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR2) {
w.getDefaultDisplay().getSize(size);
MeasuredHeight = size.y;
Measuredwidth = size.x;
} else {
Display d = w.getDefaultDisplay();
Measuredwidth = d.getWidth();
MeasuredHeight = d.getHeight();
}
// final AbsoluteLayout aalayout = (AbsoluteLayout) cell
// .findViewById(R.id.absLayout);
btn = (ImageButton) cell.findViewById(R.id.button1);
btn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Toast.makeText(getApplicationContext(), "button 1 pressed",
2000).show();
}
});
img.setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(final View v, MotionEvent event) {
if (event.getAction() == MotionEvent.ACTION_UP) {
status = 0;
System.out.println("sdhsjdkklkl");
} else if (event.getAction() == MotionEvent.ACTION_DOWN) {
if (first) {
x = event.getX();
first = false;
System.out.println("matrix: " + matrix);
savedMatrix.set(matrix);
mode = DRAG;
startPoint.set(img.getLeft(), event.getY());
} else {
startPoint.set(img.getLeft(), event.getY());
}
} else if (event.getAction() == MotionEvent.ACTION_MOVE) {
float dx = event.getX() - startPoint.x;
final float dy = event.getY() - startPoint.y;
float setheight = btn.getBottom() + 6;
if (dy > 0) {
System.out.println("saved matrix:" + savedMatrix);
matrix.set(savedMatrix);
System.out.println("y value: " + dy);
matrix.postTranslate(img.getLeft(), 80);
ll.setVisibility(View.VISIBLE);
img.setImageMatrix(matrix);
}
else if (dy < 0) {
int fromLoc[] = new int[2];
img.getLocationOnScreen(fromLoc);
final float startX = fromLoc[0];
final float startY = fromLoc[1];
int toLoc[] = new int[2];
img.getLocationOnScreen(toLoc);
final float destX = 0;
final float destY = img.getTop();
ll.setVisibility(View.GONE);
TranslateAnimation mAnimation = new TranslateAnimation(
0, 0, 0, -80);
mAnimation.setDuration(10000);
mAnimation.setRepeatCount(0);
mAnimation
.setInterpolator(new LinearInterpolator());
mAnimation.setFillAfter(true);
img.setAnimation(mAnimation);
}
}
return true;
}
});
System.out.println("bmgbgklb");
mainLayout.addView(cell);
}
}
}
我的主要xml是：
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent" >
<HorizontalScrollView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginTop="1dip" >
<LinearLayout
android:id="@+id/linearLayout"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal" >
</LinearLayout>
</HorizontalScrollView>
</RelativeLayout>
我的子 xml 是：
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/LLayout"
android:layout_width="fill_parent"
android:layout_height="wrap_content" >
<ImageView
android:id="@+id/imageView"
android:layout_width="wrap_content"
android:layout_height="fill_parent"
android:layout_marginRight="2dip"
android:scaleType="matrix"
android:src="@drawable/dd" >
</ImageView>
<LinearLayout
android:id="@+id/lllayout"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:visibility="invisible" >
<ImageButton
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_marginLeft="20dip"
android:background="@drawable/orangearrow_over"
android:focusable="true" />
<ImageButton
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
android:layout_marginLeft="10dip"
android:layout_marginRight="10dip"
android:background="@drawable/orangearrow_over" />
<ImageButton
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginRight="10dip"
android:background="@drawable/orangearrow_over" />
</LinearLayout>
</FrameLayout>