public class MarqueeTextView extends LinearLayout {   private Context mContext;  private ViewFlipper viewFlipper;  private View marqueeTextView;  private String[] textArrays;  private MarqueeTextViewClickListener marqueeTextViewClickListener;   public MarqueeTextView(Context context) {  super(context);  mContext = context;  initBasicView();  }    public MarqueeTextView(Context context, AttributeSet attrs) {  super(context, attrs);  mContext = context;  initBasicView();  }   public void setTextArraysAndClickListener(String[] textArrays, MarqueeTextViewClickListener marqueeTextViewClickListener) {//1.設置數據源；2.設置監聽回調（將textView點擊事件傳遞到目標界面進行操作）  this.textArrays = textArrays;  this.marqueeTextViewClickListener = marqueeTextViewClickListener;  initMarqueeTextView(textArrays, marqueeTextViewClickListener);  }   public void initBasicView() {//加載布局，初始化ViewFlipper組件及效果  marqueeTextView = LayoutInflater.from(mContext).inflate(R.layout.marquee_textview_layout, null);  LayoutParams layoutParams = new LinearLayout.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);  addView(marqueeTextView, layoutParams);  viewFlipper = (ViewFlipper) marqueeTextView.findViewById(R.id.viewFlipper);  viewFlipper.setInAnimation(AnimationUtils.loadAnimation(mContext, R.anim.slide_in_bottom));//設置上下的動畫效果（自定義動畫，所以改左右也很簡單）  viewFlipper.setOutAnimation(AnimationUtils.loadAnimation(mContext, R.anim.slide_out_top));  viewFlipper.startFlipping();  }   public void initMarqueeTextView(String[] textArrays, MarqueeTextViewClickListener marqueeTextViewClickListener) {  if (textArrays.length == 0) {   return;  }   int i = 0;  viewFlipper.removeAllViews();  while (i < textArrays.length) {   TextView textView = new TextView(mContext);   textView.setText(textArrays[i]);   textView.setOnClickListener(marqueeTextViewClickListener);   LayoutParams lp = new LinearLayout.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);   viewFlipper.addView(textView, lp);   i++;  }  }   public void releaseResources() {  if (marqueeTextView != null) {   if (viewFlipper != null) {   viewFlipper.stopFlipping();   viewFlipper.removeAllViews();   viewFlipper = null;   }   marqueeTextView = null;  }  }  } 

public class MainActivity extends AppCompatActivity {  private MarqueeTextView marqueeTv;  private String [] textArrays = new String[]{"this is content No.1","this is content No.2","this is content No.3"};   @Override  protected void onCreate(Bundle savedInstanceState) {  super.onCreate(savedInstanceState);  setContentView(R.layout.activity_main);  marqueeTv = (MarqueeTextView) findViewById(R.id.marqueeTv);   marqueeTv.setTextArraysAndClickListener(textArrays, new MarqueeTextViewClickListener() {   @Override   public void onClick(View view) {   startActivity(new Intent(MainActivity.this,AnotherActivity.class));   }  });  }   @Override  protected void onDestroy() {  marqueeTv.releaseResources();  super.onDestroy();  } }