android加载中对话框,循环,透明-迷路的老鼠

1、自定义对话框

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public class HkDialogLoading extends Dialog {
Context context;

ImageView vLoading; // 圆型进度条
Animation anim;// 动画

public HkDialogLoading(Context context) {
super(context, R.style.HKDialogLoading);
this.context = context;
}

public void onCreate(Bundle savedInstanceState) {
requestWindowFeature(Window.FEATURE_NO_TITLE);
requestWindowFeature(Window.PROGRESS_VISIBILITY_ON);
super.onCreate(savedInstanceState);

anim = AnimationUtils.loadAnimation(this.getContext(),
R.anim.rotate_repeat);
anim.setInterpolator(new LinearInterpolator());

vLoading = new ImageView(context);
vLoading.setImageResource(R.drawable.loading_icon);// 加载中的图片,建议圆形的

// 布局
FrameLayout.LayoutParams lp = new FrameLayout.LayoutParams(
FrameLayout.LayoutParams.MATCH_PARENT,
FrameLayout.LayoutParams.WRAP_CONTENT);
lp.gravity = Gravity.CENTER;

addContentView(vLoading, lp);

setCanceledOnTouchOutside(false);
}

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK) {
// 按下了键盘上返回按钮
this.hide();
return true;
}
return false;
}

@Override
public void show() {
super.show();
vLoading.startAnimation(anim);
}
}

2、用到的动画文件rotate_repeat (在res/anim目录下面建文件rotate_repeat.xml)

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<?xml version="1.0" encoding="utf-8"?>;
<set xmlns:android="http://schemas.android.com/apk/res/android"
android:interpolator="@android:anim/accelerate_interpolator" >
<rotate
android:duration="1000"
android:fromDegrees="0"
android:pivotX="50%"
android:pivotY="50%"
android:repeatCount="100"
android:repeatMode="restart"
android:toDegrees="360" />
</set>

3、用的到的样式文件 (在res/values目录下的style.xml文件中的<resources>节点下添加下面的代码)

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