1 XML布局 2             <RelativeLayout 3                 android:id="@+id/rlay_meeting_contact_context" 4                 android:layout_width="match_parent" 5                 android:layout_height="44dp" 6                 android:clickable="false" 7                 android:focusable="false" > 8  9                 <TextView10                     android:id="@+id/tv_test"11                     style="@style/B4_Font_white"12                     android:layout_width="match_parent"13                     android:layout_height="match_parent"14                     android:layout_alignParentTop="true"15                     android:layout_toRightOf="@+id/TextView07"16                     android:duplicateParentState="true"17                     android:gravity="left|center"18                     android:singleLine="true"19                     android:text="@string/accept_invite_this_troop" />20 21             </RelativeLayout>

private RelativeLayout mrlayMeetingContactContext;mrlayMeetingContactContext = (RelativeLayout) findViewById(R.id.rlay_meeting_contact_context);

1 private TextView  mtvTest;2 3 mtvTest= (TextView) findViewById(R.id.tv_test);

 1     TimerTask task = new TimerTask() { 2         public void run() { 3             Message message = new Message(); 4             message.what = 1; 5             handler.sendMessage(message); 6         } 7     }; 8  9     final Handler handler = new Handler() {10         public void handleMessage(Message msg) {11             switch (msg.what) {12             case 1:13                 android.util.Log.e("Timer", "Timer");14                  update();15                 break;16             }17             super.handleMessage(msg);18         }19 20     };21 22     private void update() {23         int linecount = mtvTest.getLineCount();24 25         Log.i("tv.getLineCount()", mtvTest.getHeight() + "");26         if ((!mLookContextflag) || (linecount < 2)) {27 28             mLookContextflag = true;29             mtvTest.setEllipsize(null); // 展开30             mtvTest.setSingleLine(false);31         } else if ((mLookContextflag) || (linecount > 1)) {32             mLookContextflag = false;33             if (mtvTestt.getLineCount() > 1) {34                 int iHeght = mtvTest.getLineCount()35                         * mtvTest.getLineHeight();36 37                 if (iHeght > mContextHeght) {38                     android.view.ViewGroup.LayoutParams pp = mrlayMeetingContactContext39                             .getLayoutParams();40                     pp.height = iHeght;41                     mrlayMeetingContactContext.setLayoutParams(pp);42                     mMeetingContactContext.setHeight(iHeght);43                     //timer用完结束掉44                     if (mTimer != null) {45                         mTimer.cancel();46                         mTimer = null;47                     }48                 }49 50             }51 52         }

 1     @Override 2     public void onClick(View v) { 3         // TODO Auto-generated method stub 4         switch (v.getId()) { 5         case R.id.meeting_contact_context: 6             if (mContextHeght == 0) { 7                 mContextHeght = mrlayMeetingContactContext.getHeight(); 8                 if (mTimer == null) { 9                     mTimer = new Timer(false);10                     mTimer.schedule(task, 10, 100);11                 }12             }13 }