添加了顶部循环广告

libray_lxndroid/src/main/java/com/kejiang/yuandl/view/MyGallery.java

@@ -0,0 +1,161 @@
+package com.kejiang.yuandl.view;
+
+import android.content.Context;
+import android.os.Handler;
+import android.util.AttributeSet;
+import android.view.KeyEvent;
+import android.view.MotionEvent;
+import android.view.View;
+import android.widget.AdapterView;
+import android.widget.AdapterView.OnItemSelectedListener;
+import android.widget.Gallery;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+
+
+import com.kejiang.yuandl.R;
+
+import java.util.Timer;
+import java.util.TimerTask;
+
+public class MyGallery extends Gallery implements OnItemSelectedListener {
+    /**
+     * 存储上一个选择项的Index
+     */
+    private int preSelImgIndex = 0;
+
+
+    /**
+     * 这里的数值，限制了每次滚动的最大长度，图片宽度为480PX。这里设置600效果好一些。 这个值越大，滚动的长度就越大。
+     * 也就是会出现一次滚动跨多个Image。这里限制长度后，每次滚动只能跨一个Image
+     */
+    private static final int timerAnimation = 1;
+    private final Handler mHandler = new Handler() {
+        public void handleMessage(android.os.Message msg) {
+            switch (msg.what) {
+                case timerAnimation:
+                    int position = getSelectedItemPosition();
+                    if (position >= (getCount() - 1)) {
+                        onKeyDown(KeyEvent.KEYCODE_DPAD_LEFT, null);
+                    } else {
+                        onKeyDown(KeyEvent.KEYCODE_DPAD_RIGHT, null);
+                    }
+                    break;
+
+                default:
+                    break;
+            }
+        }
+
+    };
+
+    private final Timer timer = new Timer();
+    private final TimerTask task = new TimerTask() {
+        public void run() {
+            mHandler.sendEmptyMessage(timerAnimation);
+        }
+    };
+
+    public MyGallery(Context paramContext) {
+        super(paramContext);
+        timer.schedule(task, 3000, 3000);
+    }
+
+    public MyGallery(Context paramContext, AttributeSet paramAttributeSet) {
+        super(paramContext, paramAttributeSet);
+        timer.schedule(task, 3000, 3000);
+
+    }
+
+    public MyGallery(Context paramContext, AttributeSet paramAttributeSet,
+                     int paramInt) {
+        super(paramContext, paramAttributeSet, paramInt);
+        timer.schedule(task, 3000, 3000);
+        init();
+    }
+
+    private void init() {
+    }
+
+    private boolean isScrollingLeft(MotionEvent paramMotionEvent1,
+                                    MotionEvent paramMotionEvent2) {
+        float f2 = paramMotionEvent2.getX();
+        float f1 = paramMotionEvent1.getX();
+        return f2 > f1;
+    }
+
+    public boolean onFling(MotionEvent paramMotionEvent1,
+                           MotionEvent paramMotionEvent2, float paramFloat1, float paramFloat2) {
+        int keyCode;
+        if (isScrollingLeft(paramMotionEvent1, paramMotionEvent2)) {
+            keyCode = KeyEvent.KEYCODE_DPAD_LEFT;
+        } else {
+            keyCode = KeyEvent.KEYCODE_DPAD_RIGHT;
+        }
+        onKeyDown(keyCode, null);
+        return true;
+    }
+
+    private int count = 0;
+    private LinearLayout ll_focus_indicator_container;
+    public void init(int count, LinearLayout ll_focus_indicator_container) {
+        this.count = count;
+        this.ll_focus_indicator_container = ll_focus_indicator_container;
+        InitFocusIndicatorContainer();
+        this.setOnItemSelectedListener(this);
+    }
+
+    private void InitFocusIndicatorContainer() {
+        ll_focus_indicator_container.removeAllViews();
+        if(count<=1){
+            return;
+        }
+        for (int i = 0; i < count; i++) {
+            ImageView localImageView = new ImageView(getContext());
+            localImageView.setId(i);
+            ImageView.ScaleType localScaleType = ImageView.ScaleType.FIT_XY;
+            localImageView.setScaleType(localScaleType);
+            LinearLayout.LayoutParams localLayoutParams = new LinearLayout.LayoutParams(
+                    24, 24);
+            localImageView.setLayoutParams(localLayoutParams);
+            localImageView.setPadding(5, 5, 5, 5);
+            localImageView.setImageResource(R.drawable.indicator_normal);
+            ll_focus_indicator_container.addView(localImageView);
+        }
+    }
+
+
+    public void destroy() {
+        timer.cancel();
+    }
+
+    @Override
+    public void onItemSelected(AdapterView<?> adapterView, View view, int selIndex, long l) {
+        //修改上一次选中项的背景
+        if(count==0){
+            return;
+        }
+        selIndex = selIndex %count;
+
+        ImageView preSelImg = (ImageView) ll_focus_indicator_container
+                .findViewById(preSelImgIndex);
+        if(preSelImg==null){
+            return;
+        }
+        preSelImg.setImageDrawable(getContext()
+                .getResources().getDrawable(R.drawable.indicator_normal));
+        //修改当前选中项的背景
+        ImageView curSelImg = (ImageView) ll_focus_indicator_container
+                .findViewById(selIndex);
+        curSelImg
+                .setImageDrawable(getContext()
+                        .getResources().getDrawable(
+                                R.drawable.indicator_focus));
+        preSelImgIndex = selIndex;
+    }
+
+    @Override
+    public void onNothingSelected(AdapterView<?> adapterView) {
+
+    }
+}