android中动态布局.doc

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. 27. finalListViewlv=newListView(this);28. ListMapdata=newArrayListMap();29. Mapmap=newHashMap();30. map.put(title,jayqean);31. map.put(imgsrc,R.drawable.icon);32. data.add(map);33. ListAdapteradapter=newImageAndTextAdapter(Main.this,data,R.layout.chats_view_item,newStringtitle,imgsrc,newint34. R.id.chats_view_name,35. R.id.chats_view_item_image);36. lv.setAdapter(adapter);37. finalTextViewtv1=newTextView(this);38. tv1.setText(常用联系人);39. tv1.setId(1);40. finalRelativeLayout.LayoutParamslp1=newRelativeLayout.LayoutParams(LayoutParams.FILL_PARENT,LayoutParams.WRAP_CONTENT);41. lp1.addRule(RelativeLayout.BELOW,R.id.groups);42. tv1.setLayoutParams(lp1);43. tv1.setBackgroundColor(R.color.group_view_background);44. tv1.setOnClickListener(newOnClickListener()45. booleanflag=false;46. Override47. publicvoidonClick(Viewv)48. /TODOAuto-generatedmethodstub49. Log.d(tag,tv1.getText().toString();50. if(!flag)51. linearLayout.addView(lv,linearLayout.indexOfChild(tv1)+1);52. /lp1.addRule(RelativeLayout.BELOW,1);53. /linearLayout.addView(lv,lp1);54. flag=true;55. else56. linearLayout.removeView(lv);57. flag=false;58. 59. 60. 61. );62. linearLayout.addView(tv1,lp1);/线性布局通过参数index控制加入的控件的位置63. /-64. /加入分割线65. finalTextViewline=newTextView(this);66. line.setLayoutParams(newLayoutParams(LayoutParams.FILL_PARENT,1);67. line.setBackgroundColor(Color.WHITE);68. linearLayout.addView(line,1);69. /-70. finalListViewlv2=newListView(this);71. ListMapdata2=newArrayListMap();72. Mapmap2=newHashMap();73. map2.put(title,xiaobei);74. map2.put(imgsrc,R.drawable.icon);75. data2.add(map2);76. ListAdapteradapter2=newImageAndTextAdapter(Main.this,data2,R.layout.chats_view_item,newStringtitle,imgsrc,newint77. R.id.chats_view_name,78. R.id.chats_view_item_image);79. lv2.setAdapter(adapter2);80. 81. finalTextViewtv2=newTextView(this);82. tv2.setText(离线好友);83. tv2.setLayoutParams(newLayoutParams(LayoutParams.FILL_PARENT,LayoutParams.WRAP_CONTENT);84. tv2.setBackgroundColor(R.color.group_view_background);85. tv2.setOnClickListener(newOnClickListener()86. booleanflag=false;87. Override88. publicvoidonClick(Viewv)89. /TODOAuto-generatedmethodstub90. Log.d(tag,tv2.getText().toString();91. if(!flag)92. linearLayout.addView(lv2,linearLayout.indexOfChild(tv2)+1);93. flag=true;94. else95. linearLayout.removeView(lv2);96. flag=false;97. 98. 99. 100. );101. linearLayout.addView(tv2,2);102. 103. 104. 105. 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. 22. privateList?extendsMapmData;23. privateintmResource;24. privateLayoutInflatermInflater;25. publicImageAndTextAdapter(Contextcontext,26. List?extendsMapdata,intresource,Stringfrom,27. intto)28. super(context,data,resource,from,to);29. mcontext=context;30. mData=data;31. mResource=resource;32. mFrom=from;33. mTo=to;34. mInflater=(LayoutInflater)context35. .getSystemService(Context.LAYOUT_INFLATER_SERVICE);36. /mInflater=LayoutInflater.from(mcontext);37. 38. /*39. *seeandroid.widget.Adapter#getView(int,View,ViewGroup)40. */41. publicViewgetView(intposition,ViewconvertView,ViewGroupparent)42. returncreateViewFromResource(position,convertView,parent,mResource);43. 44. privateViewcreateViewFromResource(intposition,ViewconvertView,45. ViewGroupparent,intresource)46. Viewv;47. if(convertView=null)48. v=mInflater.inflate(resource,parent,false);49. finalintto=mTo;50. finalintcount=to.length;51. finalViewholder=newViewcount;52. for(inti=0;icount;i+)53. holderi=v.findViewById(toi);54. 55. v.setTag(holder);56. else57. v=convertView;58. 59. 60. bindView(position,v);61. 62. /finalintindex=position;63. /v.setOnClickListener(newOnClickListener()64. /65. /publicvoidonClick(Viewv)66. /TODOAuto-generatedmethodstub67. /Log.d(item,index+);68. /69. /);70. returnv;71. 72. 73. privatevoidbindView(intposition,Viewview)74. 75. finalMapdataSet=mData.get(position);76. if(dataSet=null)77. return;78. 79. finalViewBinderbinder=mViewBinder;80. finalViewholder=(View)view.getTag();81. finalStringfrom=mFrom;82. finalintto=mTo;83. finalintcount=to.length;84. for(inti=0;icount;i+)85. finalViewv=holderi;86. if(v!=null)87. finalObjectdata=dataSet.get(fromi);88. Stringtext=data=null?:data.toString();89. if(text=null)90. text=;91. 92. booleanbound=false;93. if(binder!=null)94. bound=binder.setViewValue(v,data,text);95. 96. if(!bound)97. if(vinstanceofCheckable)98. if(datainstanceofBoolean)99. (Checkable)v).setChecked(Boolean)data);100. else101. thrownewIllegalStateException(v.getClass()102. .getName()103. +shouldbeboundtoaBoolean,nota104. +data.getClass();105. 106. elseif(vinstanceofTextView)107. setViewText(TextView)v,text);108. elseif(vinstanceofImageView)109. if(datainstanceofInteger)110. setViewImage(ImageView)v,(Integer)data);111. else112. setViewImage(ImageView)v,text);113. 114. else115. thrownewIllegalStateException(116. v.getClass().getName()117. +isnota118. +viewthatcanbeboundsbythisSimpleAdapter);119. 120. 121. 122. 123. 124. /*125. *CalledbybindView()tosettheimageforanImageViewbutonlyifthere126. *isnoexistingViewBinderoriftheexistingViewBindercannothandle127. *bindingtoanImageView.128. *129. *Thismethodiscalledinsteadoflink#setViewImage(ImageView,String)130. *ifthesupplieddataisanintorInteger.131. *132. *paramv133. *ImageViewtoreceiveanimage134. *paramvalue135. *thevalueretrievedfromthedataset136. *137. *see#setViewImage(ImageView,String)138. */139. publicvoidsetViewImage(ImageViewv,intvalue)140. v.setImageResource(value);141. 142. /*143. *CalledbybindView()tosetthei