android中动态布局.doc

此文档收集于网络，如有侵权，请联系网站删除android中动态布局(动态加入TextView和ListView)分类：Android2011-04-21 16:201068人阅读评论(1)收藏举报javaview plaincopy1. packageorg.guoshi;2. importjava.util.ArrayList;3. importjava.util.HashMap;4. importjava.util.List;5. importjava.util.Map;6. importorg.guoshi.adapter.ImageAndTextAdapter;7. importandroid.app.Activity;8. importandroid.graphics.Color;9. importandroid.os.Bundle;10. importandroid.util.Log;11. importandroid.view.View;12. importandroid.view.View.OnClickListener;13. importandroid.view.ViewGroup.LayoutParams;14. importandroid.widget.LinearLayout;15. importandroid.widget.ListAdapter;16. importandroid.widget.ListView;17. importandroid.widget.RelativeLayout;18. importandroid.widget.TextView;19. publicclassMainextendsActivity20. /*Calledwhentheactivityisfirstcreated.*/21. Override22. publicvoidonCreate(BundlesavedInstanceState)23. super.onCreate(savedInstanceState);24. setContentView(R.layout.friend_info_view);25. finalLinearLayoutlinearLayout=(LinearLayout)findViewById(R.id.groups);26. finalListViewlv=newListView(this);27. ListMapdata=newArrayListMap();28. Mapmap=newHashMap();29. map.put(title,jayqean);30. map.put(imgsrc,R.drawable.icon);31. data.add(map);32. ListAdapteradapter=newImageAndTextAdapter(Main.this,data,R.layout.chats_view_item,newStringtitle,imgsrc,newint33. R.id.chats_view_name,34. R.id.chats_view_item_image);35. lv.setAdapter(adapter);36. finalTextViewtv1=newTextView(this);37. tv1.setText(常用联系人);38. tv1.setId(1);39. finalRelativeLayout.LayoutParamslp1=newRelativeLayout.LayoutParams(LayoutParams.FILL_PARENT,LayoutParams.WRAP_CONTENT);40. lp1.addRule(RelativeLayout.BELOW,R.id.groups);41. tv1.setLayoutParams(lp1);42. tv1.setBackgroundColor(R.color.group_view_background);43. tv1.setOnClickListener(newOnClickListener()44. booleanflag=false;45. Override46. publicvoidonClick(Viewv)47. /TODOAuto-generatedmethodstub48. Log.d(tag,tv1.getText().toString();49. if(!flag)50. linearLayout.addView(lv,linearLayout.indexOfChild(tv1)+1);51. /lp1.addRule(RelativeLayout.BELOW,1);52. /linearLayout.addView(lv,lp1);53. flag=true;54. else55. linearLayout.removeView(lv);56. flag=false;57. 58. 59. );60. linearLayout.addView(tv1,lp1);/线性布局通过参数index控制加入的控件的位置61. /-62. /加入分割线63. finalTextViewline=newTextView(this);64. line.setLayoutParams(newLayoutParams(LayoutParams.FILL_PARENT,1);65. line.setBackgroundColor(Color.WHITE);66. linearLayout.addView(line,1);67. /-68. finalListViewlv2=newListView(this);69. ListMapdata2=newArrayListMap();70. Mapmap2=newHashMap();71. map2.put(title,xiaobei);72. map2.put(imgsrc,R.drawable.icon);73. data2.add(map2);74. ListAdapteradapter2=newImageAndTextAdapter(Main.this,data2,R.layout.chats_view_item,newStringtitle,imgsrc,newint75. R.id.chats_view_name,76. R.id.chats_view_item_image);77. lv2.setAdapter(adapter2);78. finalTextViewtv2=newTextView(this);79. tv2.setText(离线好友);80. tv2.setLayoutParams(newLayoutParams(LayoutParams.FILL_PARENT,LayoutParams.WRAP_CONTENT);81. tv2.setBackgroundColor(R.color.group_view_background);82. tv2.setOnClickListener(newOnClickListener()83. booleanflag=false;84. Override85. publicvoidonClick(Viewv)86. /TODOAuto-generatedmethodstub87. Log.d(tag,tv2.getText().toString();88. if(!flag)89. linearLayout.addView(lv2,linearLayout.indexOfChild(tv2)+1);90. flag=true;91. else92. linearLayout.removeView(lv2);93. flag=false;94. 95. 96. );97. linearLayout.addView(tv2,2);98. 99. 控制布局,可以通过RelativeLayout.LayoutParams类final LinearLayout linearLayout = (LinearLayout) findViewById(R.id.groups);final TextView tv1 = new TextView(this);tv1.setText(常用联系人);RelativeLayout.LayoutParams lp1 = new RelativeLayout.LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT);lp1.addRule(RelativeLayout.BELOW, R.id.groups);tv1.setLayoutParams(lp1);linearLayout.addView(tv1, lp1);也可采用linearLayout.addView(tv1, 0); / 线性布局 通过参数index控制加入的控件的位置javaview plaincopy1. packageorg.guoshi.adapter;2. importjava.util.List;3. importjava.util.Map;4. importandroid.content.Context;5. importandroid.graphics.Bitmap;6. importandroid.graphics.BitmapFactory;7. importandroid.util.Log;8. importandroid.view.LayoutInflater;9. importandroid.view.View;10. importandroid.view.View.OnClickListener;11. importandroid.view.ViewGroup;12. importandroid.widget.Checkable;13. importandroid.widget.ImageView;14. importandroid.widget.SimpleAdapter;15. importandroid.widget.TextView;16. publicclassImageAndTextAdapterextendsSimpleAdapter17. privateContextmcontext;18. privateintmTo;19. privateStringmFrom;20. privateViewBindermViewBinder;21. privateList?extendsMapmData;22. privateintmResource;23. privateLayoutInflatermInflater;24. publicImageAndTextAdapter(Contextcontext,25. List?extendsMapdata,intresource,Stringfrom,26. intto)27. super(context,data,resource,from,to);28. mcontext=context;29. mData=data;30. mResource=resource;31. mFrom=from;32. mTo=to;33. mInflater=(LayoutInflater)context34. .getSystemService(Context.LAYOUT_INFLATER_SERVICE);35. /mInflater=LayoutInflater.from(mcontext);36. 37. /*38. *seeandroid.widget.Adapter#getView(int,View,ViewGroup)39. */40. publicViewgetView(intposition,ViewconvertView,ViewGroupparent)41. returncreateViewFromResource(position,convertView,parent,mResource);42. 43. privateViewcreateViewFromResource(intposition,ViewconvertView,44. ViewGroupparent,intresource)45. Viewv;46. if(convertView=null)47. v=mInflater.inflate(resource,parent,false);48. finalintto=mTo;49. finalintcount=to.length;50. finalViewholder=newViewcount;51. for(inti=0;icount;i+)52. holderi=v.findViewById(toi);53. 54. v.setTag(holder);55. else56. v=convertView;57. 58. bindView(position,v);59. /finalintindex=position;60. /v.setOnClickListener(newOnClickListener()61. /62. /publicvoidonClick(Viewv)63. /TODOAuto-generatedmethodstub64. /Log.d(item,index+);65. /66. /);67. returnv;68. 69. privatevoidbindView(intposition,Viewview)70. finalMapdataSet=mData.get(position);71. if(dataSet=null)72. return;73. 74. finalViewBinderbinder=mViewBinder;75. finalViewholder=(View)view.getTag();76. finalStringfrom=mFrom;77. finalintto=mTo;78. finalintcount=to.length;79. for(inti=0;icount;i+)80. finalViewv=holderi;81. if(v!=null)82. finalObjectdata=dataSet.get(fromi);83. Stringtext=data=null?:data.toString();84. if(text=null)85. text=;86. 87. booleanbound=false;88. if(binder!=null)89. bound=binder.setViewValue(v,data,text);90. 91. if(!bound)92. if(vinstanceofCheckable)93. if(datainstanceofBoolean)94. (Checkable)v).setChecked(Boolean)data);95. else96. thrownewIllegalStateException(v.getClass()97. .getName()98. +shouldbeboundtoaBoolean,nota99. +data.getClass();100. 101. elseif(vinstanceofTextView)102. setViewText(TextView)v,text);103. elseif(vinstanceofImageView)104. if(datainstanceofInteger)105. setViewImage(ImageView)v,(Integer)data);106. else107. setViewImage(ImageView)v,text);108. 109. else110. thrownewIllegalStateException(111. v.getClass().getName()112. +isnota113. +viewthatcanbeboundsbythisSimpleAdapter);114. 115. 116. 117. 118. 119. /*120. *CalledbybindView()tosettheimageforanImageViewbutonlyifthere121. *isnoexistingViewBinderoriftheexistingViewBindercannothandle122. *bindingtoanImageView.123. *124. *Thismethodiscalledinsteadoflink#setViewImage(ImageView,String)125. *ifthesupplieddataisanintorInteger.126. *127. *paramv128. *ImageViewtoreceiveanimage129. *paramvalue130. *thevalueretrievedfromthedataset131. *132. *see#setViewImage(ImageView,String)133. */134. publicvoidsetViewImage(ImageViewv,intvalue)135. v.setImageResource(value);136. 137. /*138. *CalledbybindView()tosettheimagefora