我试图通过使用线程旋转此图像.我该怎么办？
public class Start extends Activity {
View base;
Bitmap rotate, base1, rotate1;
ImageView rotator;
float angle, pivX, pivY;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.start);
base = findViewById(R.id.base);
rotator = (ImageView) findViewById(R.id.rotator);
pivX = (rotator.getLeft()) / 2;
pivY = (rotator.getTop()) / 2;
Thread thread = new Thread() {
@Override
public void run() {
for (angle = 0; angle < 50; angle++) {
Matrix matrix = new Matrix();
rotator.setScaleType(ScaleType.MATRIX); // required
matrix.postRotate((float) angle, pivX, pivY);
rotator.setImageMatrix(matrix);
if (angle == …<div class="tiles blue tile-group four-wide" id="tile_system"
style="border- color:#07caca;>
<div class="live-tile" data-speed="750" data-delay="3000" value="1" id="1">
<a href="#"><div><img src="images/r1.gif" class="food-l" /></div></a>
<div><img src="images/r2.gif" class="food-l"id="2"/></div>
</div>
<div class="live-tile" data-speed="750" data-delay="3000" value="2" id="2">
<a href="#"><div><img src="images/r1.gif" class="food-l" id="1"/></div></a>
<div><img src="images/r2.gif" class="food-l"id="2"/></div>
</div>
<div class="live-tile" data-speed="750" data-delay="3000" value="3" id="3">
<div><img src="images/r3.gif" class="l-other"/></div>
<div><img src="images/r3.gif" class="l-other"/></div>
</div>
<div class="live-tile" data-speed="750" data-delay="3000" value="4" id="4">
<div><img src="images/r3.gif" class="l-other"/></div>
<div><img src="images/r3.gif" class="l-other"/></div>
</div>
<div class="live-tile" data-speed="750" data-delay="3000" value="5" id="5">
<a href="#"><div><img src="images/r1.gif" class="food-l" id="1"/></div></a>
<div><img src="images/r2.gif" class="food-l"id="2"/></div>
</div>
<div …