UI之高仿iphone短信发送气泡效果

package com.android; import java.util.List; import android.app.AlertDialog; import android.content.Context; import android.database.DataSetObserver; import android.view.LayoutInflater; import android.view.MotionEvent; import android.view.View; import android.view.View.OnClickListener; import android.view.View.OnLongClickListener; import android.view.View.OnTouchListener; import android.view.ViewGroup; import android.widget.LinearLayout; import android.widget.ListAdapter; import android.widget.TextView; import android.widget.Toast; /** * 适配器 * * @author Administrator * */ public class DetailAdapter implements ListAdapter { private List<DetailEntity> coll; private Context ctx; // 消息 DetailEntity entity; LinearLayout layout; // 加载布局 LayoutInflater vi; // ------------------------------ // 背景 LinearLayout layout_bj; TextView tvName; TextView tvDate; TextView tvText; public DetailAdapter(Context context, List<DetailEntity> coll) { ctx = context; this.coll = coll; } public boolean areAllItemsEnabled() { return true; } /** * 为true监听Item */ public boolean isEnabled(int arg0) { return true; } public int getCount() { return coll.size(); } public Object getItem(int position) { return coll.get(position); } public long getItemId(int position) { return position; } public int getItemViewType(int position) { return position; } public View getView(int position, View convertView, ViewGroup parent) { entity = coll.get(position); int itemLayout = entity.getLayoutID(); layout = new LinearLayout(ctx); vi = (LayoutInflater) ctx .getSystemService(Context.LAYOUT_INFLATER_SERVICE); vi.inflate(itemLayout, layout, true); layout.setBackgroundColor(0xffB4B4B4); // 图片背景 layout_bj = (LinearLayout) layout.findViewById(R.id.layout_bj); tvName = (TextView) layout.findViewById(R.id.messagedetail_row_name); tvName.setText(entity.getName()); tvDate = (TextView) layout.findViewById(R.id.messagedetail_row_date); tvDate.setText(entity.getDate()); tvText = (TextView) layout.findViewById(R.id.messagedetail_row_text); tvText.setText(entity.getText()); addListener(tvName, tvDate, tvText, layout_bj); return layout; } public int getViewTypeCount() { return coll.size(); } public boolean hasStableIds() { return true; } public boolean isEmpty() { return true; } @Override public void registerDataSetObserver(DataSetObserver observer) { // TODO Auto-generated method stub } @Override public void unregisterDataSetObserver(DataSetObserver observer) { // TODO Auto-generated method stub } /** * 监听 * * @param convertView */ public void addListener(final TextView tvName, final TextView tvDate, final TextView tvText, LinearLayout layout_bj) { layout_bj.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { } }); layout_bj.setOnLongClickListener(new OnLongClickListener() { @Override public boolean onLongClick(View v) { tvName.setTextColor(0xffffffff); tvDate.setTextColor(0xffffffff); tvText.setTextColor(0xffffffff); new AlertDialog.Builder(ctx).setTitle("当前是长按操作") .setMessage("准备写个菜单").create().show(); return true; } }); layout_bj.setOnTouchListener(new OnTouchListener() { @Override public boolean onTouch(View v, MotionEvent event) { switch (event.getAction()) { case MotionEvent.ACTION_DOWN: case MotionEvent.ACTION_MOVE: tvName.setTextColor(0xffffffff); tvDate.setTextColor(0xffffffff); tvText.setTextColor(0xffffffff); break; default: tvName.setTextColor(0xff000000); tvDate.setTextColor(0xff000000); tvText.setTextColor(0xff0000ff); break; } return false; } }); } }