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仿path菜单button的实现「建议收藏」

(params); buttonMusic = (Button) findViewById(R.id.button_composer_music); buttonMusic.setLayoutParams...(params); buttonPlace = (Button) findViewById(R.id.button_composer_place); buttonPlace.setLayoutParams...(params); buttonWith = (Button) findViewById(R.id.button_composer_with); buttonWith.setLayoutParams...(params); buttonCamera = (Button) findViewById(R.id.button_composer_camera); buttonCamera.setLayoutParams...(params); buttonDelete = (Button) findViewById(R.id.button_friends_delete); buttonDelete.setLayoutParams

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Android开发之AbsoluteLayout绝对布局

savedInstanceState); AbsoluteLayout absoluteLayout = new AbsoluteLayout(this); absoluteLayout.setLayoutParams...第1个textView"); //需要注意这里的LayoutParams()构造方法中的参数前两个参数为视图的宽和高后两个为x与y位置坐标点 textView1.setLayoutParams...TextView textView2 = new TextView(this); textView2.setText("第2个textView"); textView2.setLayoutParams...TextView textView3 = new TextView(this); textView3.setText("第3个textView"); textView3.setLayoutParams...TextView textView4 = new TextView(this); textView4.setText("第4个textView"); textView4.setLayoutParams

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模仿企鹅FM播放主页面滑动动态改变各视图的大小

MenuLayoutParams=new LinearLayout.LayoutParams(width,height); //显示信息的View是屏幕高度的二分之一 info.setLayoutParams...(InfoLayoutParams); //显示菜单的View是屏幕的高度 menu.setLayoutParams(MenuLayoutParams);...ViewGroup.LayoutParams layoutParams=view.getLayoutParams(); layoutParams.height=height; view.setLayoutParams...然后动态设置各个子View的大小，核心代码如下： //显示信息的View是屏幕高度的二分之一 info.setLayoutParams(InfoLayoutParams); //显示菜单的View是屏幕的高度...menu.setLayoutParams(MenuLayoutParams); //控制按钮的View是屏幕高度的二分之一 control.getLayoutParams().height=height

8702 0

Window源码解析(三)：Window的更新机制

final WindowManager.LayoutParams wparams = (WindowManager.LayoutParams)params; view.setLayoutParams...params mParams.remove(index); mParams.add(index, wparams); root.setLayoutParams...之后就是调用 ViewRootImpl.setLayoutParams 来设置新的 params 。...ViewRootImpl setLayoutParams(WindowManager.LayoutParams attrs, boolean newView) void setLayoutParams...mWindowAttributesChanged = true; // 使 view 重走三大流程 scheduleTraversals(); } } 在 setLayoutParams

8873 0

实习杂记（25）：View基类里面的LayoutParams

* This method may return null if this View is not attached to a parent * ViewGroup or {@link #setLayoutParams...* * @param params The layout parameters for this view, cannot be null */ public void setLayoutParams...view,int dp){ LayoutParams lp=(LayoutParams)view.getLayoutParams(); lp.width=dp; view.setLayoutParams...MarginLayoutParams lp=(MarginLayoutParams)view.getLayoutParams(); lp.leftMargin=dp; view.setLayoutParams...MarginLayoutParams lp=(MarginLayoutParams)view.getLayoutParams(); lp.rightMargin=dp; view.setLayoutParams

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十分钟搞定酷炫动画，Android自定义 View 入门

lp.addRule(CENTER_VERTICAL,TRUE); lp.setMargins(0,0,0,dp80); purple=newImageView(getContext()); purple.setLayoutParams...getDrawable(R.drawable.shape_circle_purple)); addView(purple); yellow=newImageView(getContext()); yellow.setLayoutParams...getDrawable(R.drawable.shape_circle_yellow)); addView(yellow); blue=newImageView(getContext()); blue.setLayoutParams...).getDrawable(R.drawable.shape_circle_blue)); addView(blue); red=newImageView(getContext()); red.setLayoutParams

1.5K8 0

android 之 ListView 里面嵌套 GridView 遇到的问题及其解决方法。

答：解决方法： GridView 没有setWidth() 等操作，你必须使用 setLayoutParams() 来搞定。...4,为什么我给 GridView 设置了setLayoutParams() 后被抛出强转类型失败异常，程序崩溃？...答：原因/解决方法：如果你的 GridView 是某个View 的子 View，例如你使用 LinearLayout 包裹 GridView，那么你的GridView要设置的 setLayoutParams...即是 ViewGroup.LayoutParams linearParams =new LinearLayout.LayoutParams((70,70); gridView.setLayoutParams

1.6K5 0

使用代码动态增删布局(2018.8重编版)

ViewGroup.LayoutParams.WRAP_CONTENT); llParams.setMargins(0, UIUtil.dp2px(8), 0, 0); ll.setLayoutParams...LinearLayout.LayoutParams( ViewGroup.LayoutParams.MATCH_PARENT, mEtHeight); et.setLayoutParams...ViewGroup.LayoutParams.WRAP_CONTENT); rlParams.setMargins(0, UIUtil.dp2px(8), 0, 0); rl.setLayoutParams...ViewGroup.LayoutParams.WRAP_CONTENT); btAddParams.addRule(RelativeLayout.ALIGN_PARENT_END); btAdd.setLayoutParams...UIUtil.dp2px(8), 0); btDelParams.addRule(RelativeLayout.LEFT_OF, mBtnAddId); btDel.setLayoutParams

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Android开发之FrameLayout布局

setContentView(frameLayout); //添加子视图 TextView textView1 = new TextView(this); textView1.setLayoutParams...frameLayout.addView(textView1); TextView textView2 = new TextView(this); textView2.setLayoutParams...frameLayout.addView(textView2); TextView textView3 = new TextView(this); textView3.setLayoutParams...frameLayout.addView(textView3); TextView textView4 = new TextView(this); textView4.setLayoutParams

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界面无小事(七):使用代码动态增删布局

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layoutparams方法_layoutstretch

getLayoutParams(); layoutParams.leftMargin=getLeft()+offsetX; layoutParams.topMargin=getTop()+offsetY; setLayoutParams...getLayoutParams(); layoutParams.leftMargin=getLeft()+offsetX; layoutParams.topMargin=getTop()+offsetY; setLayoutParams...getLayoutParams(); layoutParams.leftMargin=getLeft()+offsetX; layoutParams.topMargin=getTop()+offsetY; setLayoutParams

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Android ActionBar应用实战，高仿微信主界面的设计

TextView v = new TextView(getActivity()); params.setMargins(margin, margin, margin, margin); v.setLayoutParams...(params); v.setLayoutParams(params); v.setGravity(Gravity.CENTER); v.setText("聊天界面"); v.setTextSize...TextView v = new TextView(getActivity()); params.setMargins(margin, margin, margin, margin); v.setLayoutParams...(params); v.setLayoutParams(params); v.setGravity(Gravity.CENTER); v.setText("发现界面"); v.setTextSize...(params); v.setLayoutParams(params); v.setGravity(Gravity.CENTER); v.setText("通讯录界面"); v.setTextSize

1.5K5 0

layoutparams方法_LAYOUT

在JAVA中动态构建的布局，常常这样写： setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT...很显然上面这句应该这样写才算准确： setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.FILL_PARENT,TableRow.LayoutParams.FILL_PARENT...lytp = new FrameLayout.LayoutParams(80,LayoutParams.WRAP_CONTENT); lytp .gravity = Gravity.CENTER; btn.setLayoutParams...RelativeLayout.ALIGN_PARENT_RIGHT, RelativeLayout.TRUE); lp.addRule(RelativeLayout.ALIGN_PARENT_TOP, RelativeLayout.TRUE); btn1.setLayoutParams

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android.widget.RelativeLayout$LayoutParams cannot be cast to android.widget.FrameLayout$LayoutParams

params = new RelativeLayout.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT); B.setLayoutParams...LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(LayoutParams.MATCH_PARENT, 0); params.weight = 8; D.setLayoutParams

8702 0

为你的APP自定义一个统一的标题栏

LayoutParams(LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT); linearLayout.setLayoutParams...context, 0), DensityUtil.dip2px(context, 0), DensityUtil.dip2px(context, 0)); leftImageview.setLayoutParams...context, 0), DensityUtil.dip2px(context, -8), DensityUtil.dip2px(context, 0)); leftTextview.setLayoutParams...0), DensityUtil.dip2px(context, 1), 1); View lineView = new View(context); lineView.setLayoutParams...context, 0), DensityUtil.dip2px(context, 8), DensityUtil.dip2px(context, 0)); rightTextview.setLayoutParams

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Android LayoutParams详解「建议收藏」

. * Call {@link ViewGroup#setLayoutParams(LayoutParams)} after reassigning a new value * to this field...此外，还要注意一下这几种属性上的注释： Call {@link ViewGroup#setLayoutParams(LayoutParams)} after reassigning a new value...（其实主要是因为在setLayoutParams方法中调用了requestLayout方法）。...在Java代码中实例化View 在代码中实例化View后，如果调用setLayoutParams方法为View设置指定的LayoutParams，那么LayoutParams就已经和View建立起联系了...这里分为了两种情况：如果不希望引起子View重新布局（onMeasure->onLayout->onDraw）就直接为子View的LayoutParams变量赋值；否则调用子View的setLayoutParams

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Android双向滑动菜单完全解析，教你如何一分钟实现双向滑动特效

contentLayoutParams.rightMargin = -moveDistanceX; checkLeftMenuBorder(); contentLayout.setLayoutParams...: contentLayoutParams.leftMargin = moveDistanceX; checkRightMenuBorder(); contentLayout.setLayoutParams...onPostExecute(Integer rightMargin) { contentLayoutParams.rightMargin = rightMargin; contentLayout.setLayoutParams...onProgressUpdate(Integer... leftMargin) { contentLayoutParams.leftMargin = leftMargin[0]; contentLayout.setLayoutParams...onPostExecute(Integer leftMargin) { contentLayoutParams.leftMargin = leftMargin; contentLayout.setLayoutParams

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EditText的监听

int start, int before, int count) { //这里的s就是输入框之后之中的内容 if(s.toString().isEmpty()){ //这里的setLayoutParams...方法就是设置一个控件大小的方法，LayoutParams(width,heigh,weight) bt1.setLayoutParams(new LinearLayout.LayoutParams...(100, 100, 0)); bt2.setLayoutParams(new LinearLayout.LayoutParams(0, 0, 0.0f));...} else{ bt2.setLayoutParams(new LinearLayout.LayoutParams(100, 100, 0));...bt1.setLayoutParams(new LinearLayout.LayoutParams(0, 0, 0.0f)); }

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android-recyclerview-滚动监听

ViewGroup.MarginLayoutParams) titleLayout.getLayoutParams(); params.topMargin = 0; titleLayout.setLayoutParams...params.topMargin = (int) pushedDistance; titleLayout.setLayoutParams...= 0) { params.topMargin = 0; titleLayout.setLayoutParams

1.2K2 0

Android SMS（二）—— 读取短信保存到 SQLite

tableRow", smsTitle + smsBody); // title Row TableRow trTitle = new TableRow(this); trTitle.setLayoutParams...tvTitle.getPaint().setFakeBoldText(true); // 加粗字体 tvTitle.setTextColor(Color.RED); tvTitle.setLayoutParams...LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT)); // body Row TableRow trBody = new TableRow(this); trBody.setLayoutParams...LayoutParams.WRAP_CONTENT)); TextView tvBody = new TextView(this); tvBody.setText(smsBody); tvBody.setLayoutParams

1.6K3 0

点击加载更多

仿path菜单button的实现「建议收藏」

Android开发之AbsoluteLayout绝对布局

模仿企鹅FM播放主页面滑动动态改变各视图的大小

Window源码解析(三)：Window的更新机制

实习杂记（25）：View基类里面的LayoutParams

十分钟搞定酷炫动画，Android自定义 View 入门

android 之 ListView 里面嵌套 GridView 遇到的问题及其解决方法。

使用代码动态增删布局(2018.8重编版)

Android开发之FrameLayout布局

界面无小事(七):使用代码动态增删布局

layoutparams方法_layoutstretch

Android ActionBar应用实战，高仿微信主界面的设计

layoutparams方法_LAYOUT

android.widget.RelativeLayout$LayoutParams cannot be cast to android.widget.FrameLayout$LayoutParams

为你的APP自定义一个统一的标题栏

Android LayoutParams详解「建议收藏」

Android双向滑动菜单完全解析，教你如何一分钟实现双向滑动特效

EditText的监听

android-recyclerview-滚动监听

Android SMS（二）—— 读取短信保存到 SQLite

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