Android仿新浪微博发送菜单界面的实现 Android仿新浪微博发送菜单界面

效果图
自定义Dialog
布局文件
Style
工具方法
接口

效果图
接下来就是一波贴代码的过程

自定义Dialog

public class SinaSendView extends Dialog {private ImageButton ib_dialog_sina_close; private LinearLayout ll_dialog_sina_write; private LinearLayout ll_dialog_sina_time; private LinearLayout ll_dialog_sina_map; private LinearLayout ll_dialog_sina_menu; private ImageView iv_dialog_sina_bg,iv_dialog_sina_des; private Context mContext; private Boolean hideDes; private Bitmap screenShot; private Bitmap bitmap; private ByteArrayOutputStream baos; private byte[] bytes; public SinaSendView(Context context) {super(context); this.mContext = context; }public SinaSendView(Context context, int themeResId,Boolean hideDes) {super(context, themeResId); this.mContext = context; this.hideDes = hideDes; }protected SinaSendView(Context context, boolean cancelable, OnCancelListener cancelListener) {super(context, cancelable, cancelListener); this.mContext = context; }@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState); this.setContentView(R.layout.layout_sina_send_dialog); ib_dialog_sina_close = (ImageButton) findViewById(R.id.ib_dialog_sina_close); ll_dialog_sina_write = (LinearLayout) findViewById(R.id.ll_dialog_sina_write); ll_dialog_sina_time = (LinearLayout) findViewById(R.id.ll_dialog_sina_time); ll_dialog_sina_map = (LinearLayout) findViewById(R.id.ll_dialog_sina_map); ll_dialog_sina_menu = (LinearLayout) findViewById(R.id.ll_dialog_sina_menu); iv_dialog_sina_bg = (ImageView) findViewById(R.id.iv_dialog_sina_bg); iv_dialog_sina_des = (ImageView) findViewById(R.id.iv_dialog_sina_des); initView(); }private void initView() {setBrulBg(); ll_dialog_sina_menu.setVisibility(View.VISIBLE); ll_dialog_sina_menu.setAnimation(AnimationUtil.moveToViewLocationFromTop()); ib_dialog_sina_close.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {ll_dialog_sina_menu.setAnimation(AnimationUtil.moveToViewBottom()); ll_dialog_sina_menu.setVisibility(View.GONE); dismiss(); }}); if(hideDes){iv_dialog_sina_des.setVisibility(View.GONE); }}/*** 设置模糊背景*/private void setBrulBg(){screenShot = CommonUtils.getInstance().getScreenShot((Activity) mContext); bitmap = CommonUtils.getInstance().zoomImg(screenShot, 0.2f); baos = new ByteArrayOutputStream(); bitmap.compress(Bitmap.CompressFormat.JPEG, 1, baos); bytes = baos.toByteArray(); Glide.with(mContext).load(bytes).asBitmap().transform(new BlurTransformation(CommonUtils.getInstance().getContext(), 25)).into(iv_dialog_sina_bg); }public void setClick(final SinaSendDialog mSinaSendDialog){this.show(); ll_dialog_sina_write.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {mSinaSendDialog.onNormalClick(); dismiss(); }}); ll_dialog_sina_map.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {mSinaSendDialog.onMapClick(); dismiss(); }}); ll_dialog_sina_time.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {mSinaSendDialog.onTimeClick(); dismiss(); }}); }@Overridepublic void dismiss() {super.dismiss(); if(screenShot != null && !screenShot.isRecycled()){screenShot.recycle(); screenShot = null; }if(bitmap != null && !bitmap.isRecycled()){bitmap.recycle(); bitmap = null; }try {baos.close(); } catch (IOException e) {e.printStackTrace(); }bytes = null; System.gc(); }}

布局文件

Style

truetrue@android:color/transparent

工具方法

/*** 从控件的顶部移动到控件所在位置** @return*/public static TranslateAnimation moveToViewLocationFromTop() {TranslateAnimation mHiddenAction = new TranslateAnimation(Animation.RELATIVE_TO_SELF, 0.0f,Animation.RELATIVE_TO_SELF, 0.0f, Animation.RELATIVE_TO_SELF,-1.0f, Animation.RELATIVE_TO_SELF, 0.0f); mHiddenAction.setDuration(500); return mHiddenAction; }/*** 截取当前屏幕* @param activity* @return*/public Bitmap getScreenShot(Activity activity) {// 获取windows中最顶层的viewView view = activity.getWindow().getDecorView(); view.buildDrawingCache(); // 获取状态栏高度Rect rect = new Rect(); view.getWindowVisibleDisplayFrame(rect); int statusBarHeights = rect.top; Display display = activity.getWindowManager().getDefaultDisplay(); // 获取屏幕宽和高int widths = display.getWidth(); int heights = display.getHeight(); // 允许当前窗口保存缓存信息view.setDrawingCacheEnabled(true); // 去掉状态栏Bitmap bmp = Bitmap.createBitmap(view.getDrawingCache(), 0,0, widths, heights); // 销毁缓存信息view.destroyDrawingCache(); return bmp; }/*** 改变bitmap宽高* @param bm* @param f* @return*/public Bitmap zoomImg(Bitmap bm,float f){int width = bm.getWidth(); int height = bm.getHeight(); float scaleWidth = f; float scaleHeight = f; Matrix matrix = new Matrix(); matrix.postScale(scaleWidth, scaleHeight); Bitmap newbm = Bitmap.createBitmap(bm, 0, 0, width, height, matrix, true); return newbm; }

接口

public interface SinaSendDialog {void onNormalClick(); void onTimeClick(); void onMapClick(); }

基本讲一下逻辑，背景采用截屏高斯模糊处理，这里一定要降图片质量，不然会慢，按钮采用一个动画从上向下划出，虽然不是特别完美，但是多少有个样子。
源码地址：
https://github.com/bertsir/SinaSendView
到这里就结束啦.
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