Android基于TextView不获取焦点实现跑马灯效果

packagecom.example.tt;

importandroid.content.Context;

importandroid.graphics.Rect;

importandroid.util.AttributeSet;

importandroid.widget.TextView;

publicclassScrollingTextViewextendsTextView {

publicScrollingTextView(Context context, AttributeSet attrs,intdefStyle) {

super(context, attrs, defStyle);

}

publicScrollingTextView(Context context, AttributeSet attrs) {

super(context, attrs);

}

publicScrollingTextView(Context context) {

super(context);

}

@Override

protectedvoidonFocusChanged(booleanfocused,intdirection, Rect previouslyFocusedRect) {

if(focused)

super.onFocusChanged(focused, direction, previouslyFocusedRect);

}

@Override

publicvoidonWindowFocusChanged(booleanfocused) {

if(focused)

super.onWindowFocusChanged(focused);

}

@Override

publicbooleanisFocused() {

returntrue;

}

}

<?xmlversion ="1.0"encoding="utf-8"?>

android:orientation="vertical"

android:layout_width="fill_parent"

android:layout_height="fill_parent"

>

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_marginLeft="80dip"

android:layout_marginBottom="25dip"

android:textSize="25sp"

android:singleLine="true"

android:textColor="@android:color/black"

android:ellipsize="marquee"

android:focusable="true"

android:marqueeRepeatLimit="marquee_forever"

android:focusableInTouchMode="true"

android:scrollHorizontally="true"

android:text="这才是真正的文字跑马灯效果,文字移动速度，文字移动方向，文字移动的样式，动画等等……"

android:background="#2FFFFFFF"/>

android:id="@+id/button1"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="Button"/>

packagecom.example.tt;

importandroid.os.Bundle;

importandroid.app.Activity;

importandroid.view.Menu;

publicclassMainActivityextendsActivity {

@Override

publicvoidonCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

}

}