直播app源码开源，Android 滚动的公告栏

public class MarqueeTextView extends LinearLayout {<br> <br>    private Context mContext;<br>    private ViewFlipper viewFlipper;<br>    private View marqueeTextView;<br>    private String[] textArrays;<br>    private MarqueeTextViewClickListener marqueeTextViewClickListener;<br> <br>    public MarqueeTextView(Context context) {<br>        super(context);<br>        mContext = context;<br>        initBasicView();<br>    }<br> <br> <br>    public MarqueeTextView(Context context, AttributeSet attrs) {<br>        super(context, attrs);<br>        mContext = context;<br>        initBasicView();<br>    }<br> <br>    public void setTextArraysAndClickListener(String[] textArrays, MarqueeTextViewClickListener marqueeTextViewClickListener) {//1.设置数据源；2.设置监听回调（将textView点击事件传递到目标界面进行操作）<br>        this.textArrays = textArrays;<br>        this.marqueeTextViewClickListener = marqueeTextViewClickListener;<br>        initMarqueeTextView(textArrays, marqueeTextViewClickListener);<br>    }<br> <br>    public void initBasicView() {//加载布局，初始化ViewFlipper组件及效果<br>        marqueeTextView = LayoutInflater.from(mContext).inflate(R.layout.marquee_textview_layout, null);<br>        LayoutParams layoutParams = new LinearLayout.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);<br>        addView(marqueeTextView, layoutParams);<br>        viewFlipper = (ViewFlipper) marqueeTextView.findViewById(R.id.viewFlipper);<br>        viewFlipper.setInAnimation(AnimationUtils.loadAnimation(mContext, R.anim.slide_in_bottom));//设置上下的动画效果（自定义动画，所以改左右也很简单）<br>        viewFlipper.setOutAnimation(AnimationUtils.loadAnimation(mContext, R.anim.slide_out_top));<br>        viewFlipper.startFlipping();<br>    }<br> <br>    public void initMarqueeTextView(String[] textArrays, MarqueeTextViewClickListener marqueeTextViewClickListener) {<br>        if (textArrays.length == 0) {<br>            return;<br>        }<br> <br>        int i = 0;<br>        viewFlipper.removeAllViews();<br>        while (i < textArrays.length) {<br>            TextView textView = new TextView(mContext);<br>            textView.setText(textArrays[i]);<br>            textView.setOnClickListener(marqueeTextViewClickListener);<br>            LayoutParams lp = new LinearLayout.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);<br>            viewFlipper.addView(textView, lp);<br>            i++;<br>        }<br>    }<br> <br>    public void releaseResources() {<br>        if (marqueeTextView != null) {<br>            if (viewFlipper != null) {<br>                viewFlipper.stopFlipping();<br>                viewFlipper.removeAllViews();<br>                viewFlipper = null;<br>            }<br>            marqueeTextView = null;<br>        }<br>    }<br> <br>}

然后，主Activity异常简单（还是封装得好）：

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