自定义gradview

package com.yaomei.widget; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import android.content.Context; import android.content.Intent; import android.content.res.TypedArray; import android.util.AttributeSet; import android.view.Gravity; import android.view.MotionEvent; import android.view.View; import android.view.ViewGroup; import android.widget.LinearLayout; import android.widget.TextView; import com.yaomei.activity.adapter.AppsAdapter; import com.yaomei.activity.info.R; public  class gridViewExt extends LinearLayout { public List tableRowsList; private List app =  new ArrayList(); private AppsAdapter adapter; onItemClickListener onItemClickEvent; onLongPressExt onLongPress; int checkRowID = - 1;  //  选中行的下标 int checkColumnID = - 1;  //  选中列的下标 int lastRowCount = - 1;  //  最后一行的总数 private  int ColumnCount;  //  每列的总数 public  void setColumnCount( int count) { this.ColumnCount = count; } public  int getColumnCount() { return ColumnCount; } public  interface onItemClickListener { public boolean onItemClick( int position, MotionEvent  event, View view); } public  interface onLongPressExt { public boolean onLongPress(View view); } public gridViewExt(Context context) { this(context,  null); //  TODO Auto-generated constructor stub } public gridViewExt(Context context, AttributeSet attrs) { super(context, attrs); int resouceID = - 1; TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.GridViewExt); int N = typedArray.getIndexCount(); for ( int i =  0; i < N; i++) { int attr = typedArray.getIndex(i); switch (attr) { case R.styleable.GridViewExt_ColumnCount: resouceID = typedArray.getInt( R.styleable.GridViewExt_ColumnCount,  0); setColumnCount(resouceID); break; } } typedArray.recycle(); } public  void setOnItemClickListener(onItemClickListener click) { this.onItemClickEvent = click; } public  void setOnLongPressListener(onLongPressExt longPress) { this.onLongPress = longPress; } public  void NotifyDataChange() { removeAllViews(); } void bindView() { removeAllViews(); int count = adapter.getCount(); TableCell[] cell =  null; int j =  0; LinearLayout layout; tableRowsList =  new ArrayList(); for ( int i =  0; i < count; i++) { j++; final  int position = i; if (j > getColumnCount() || i ==  0) { cell =  new TableCell[getColumnCount()]; } final View view = adapter.getView(i,  null,  null); view.setOnTouchListener( new OnTouchListener() { @Override public boolean onTouch(View v, MotionEvent  event) { //  TODO Auto-generated method stub unCheckPressed(); checkRowID = - 1; checkColumnID = - 1; if (onItemClickEvent !=  null) { onItemClickEvent.onItemClick(position,  event, view); } return  false; } }); view.setOnLongClickListener( new OnLongClickListener() { @Override public boolean onLongClick(View v) { if (onLongPress !=  null) { onLongPress.onLongPress(v); } return  true; } }); cell[j -  1] =  new TableCell(view); if (j == getColumnCount()) { lastRowCount = j; j =  0; HashMap map =  new HashMap(); TableRow tr =  new TableRow(cell); map.put( " tableRow ", tr); tableRowsList.add(map); layout =  new LinearLayout(getContext()); addLayout(layout, cell, tr.getSize(), tr); }  else  if (i >= count -  1 && j >  0) { lastRowCount = j; HashMap map =  new HashMap(); TableRow tr =  new TableRow(cell); map.put( " tableRow ", tr); tableRowsList.add(map); layout =  new LinearLayout(getContext()); addLayout(layout, cell, j, tr); } } } private  void addLayout(LinearLayout layout, TableCell[] cell,  int size, TableRow tr) { LinearLayout.LayoutParams  params =  new LinearLayout.LayoutParams( 130, 110); layout.setGravity(Gravity.LEFT); layout.setOrientation(LinearLayout.HORIZONTAL); for ( int k =  0; k < size; k++) { View remoteView = (View) tr.getCellValue(k).getValue(); layout.addView(remoteView, k,  params); } LinearLayout.LayoutParams firstParams =  new LinearLayout.LayoutParams( LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT); firstParams.leftMargin =  60; addView(layout, firstParams); } public  void setAdapter(AppsAdapter appsAdapter) { this.adapter = appsAdapter; this.setOrientation(LinearLayout.VERTICAL); bindView(); } public  void checkPressed( int tableRowId,  int tableRowColumnId) { ViewGroup view = (ViewGroup)  this.getChildAt(tableRowId); checkColumnID = tableRowColumnId; checkRowID = tableRowId; changeImageState(view.getChildAt(tableRowColumnId), app); } public  void onClick( int tableRowId,  int tableRowColumnId, Context context) { LinearLayout view = (LinearLayout) ((ViewGroup)  this .getChildAt(tableRowId)).getChildAt(tableRowColumnId); TextView tv = (TextView) view.findViewById(R.id.folder); final String[] name = tv.getText().toString().split( " - "); Intent intent =  null; if (name[ 0].toString().equals( " com.android.contacts ")) { if (name[ 1].toString().equals( " com.android.contacts.DialtactsActivity ")) { intent =  new Intent(Intent.ACTION_DIAL); } if (name[ 1].toString().equals( " com.android.contacts.DialtactsContactsEntryActivity ")) { intent =  new Intent(Intent.ACTION_CALL_BUTTON); } }  else { intent = getContext().getPackageManager() .getLaunchIntentForPackage(name[ 0].toString()); } context.startActivity(intent); } /* * * 改变图片状态 *  * @param v * @param list */ private  void changeImageState(View v, List list) { int size = list.size(); for ( int i =  0; i < size; i++) { View view = (View) list. get(i). get( " touch "); view.setPressed( false); list.remove(i); } v.setPressed( true); HashMap map =  new HashMap(); map.put( " touch ", v); list.add(map); } public  void unCheckPressed() { if (checkColumnID != - 1 && checkRowID != - 1) { ViewGroup view = (ViewGroup)  this.getChildAt(checkRowID); view.getChildAt(checkColumnID).setPressed( false); } } public  class TableRow { private TableCell[] cell; public TableRow(TableCell[] cell) { this.cell = cell; } public  int getSize() { return cell.length; } public TableCell getCellValue( int index) { if (index >= getSize()) { return  null; } return cell[index]; } public  int getCellCount() { return cell.length; } public  int getLastCellCount() { return lastRowCount; } } static  public  class TableCell { private Object value; public TableCell(Object value) { this.value = value; } public Object getValue() { return value; } } }