问题描述
- ViewFlipper做图片滑动程序闪退
-
在网上找了一个代码 测试的时候只是五张图片没问题 当我多加几张的时候问题出来了 部署到手机上的时候程序一打开就自动关闭了代码:
srccom.example.demo
MainActivity.javapackage com.example.demo;
import com.example.demo.R.drawable;
import android.app.Activity;
import android.os.Bundle;
import android.view.GestureDetector;
import android.view.GestureDetector.OnGestureListener;
import android.view.MotionEvent;
import android.view.ViewGroup.LayoutParams;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.ImageView;
import android.widget.ViewFlipper;public class MainActivity extends Activity implements OnGestureListener {
private int[] imgs = { R.drawable.img1, R.drawable.img2, R.drawable.img3, R.drawable.img4, R.drawable.img5, R.drawable.img6 , R.drawable.img7, }; //这里再加一张图片的话程序就会闪退了 我在模拟器上真机上都试了 求大神帮忙解答 小弟感激不尽 private GestureDetector gestureDetector; private ViewFlipper viewFlipper; private Activity mActivity; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mActivity = this; viewFlipper = (ViewFlipper) findViewById(R.id.viewflipper); gestureDetector = new GestureDetector(this); for (int i = 0; i < imgs.length; i++) { // 添加图片源 ImageView iv = new ImageView(this); iv.setImageResource(imgs[i]); iv.setScaleType(ImageView.ScaleType.FIT_XY); viewFlipper.addView(iv, new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT)); } viewFlipper.setAutoStart(false); // 设置自动播放功能(点击事件,前自动播放) viewFlipper.setFlipInterval(3000); if (viewFlipper.isAutoStart() && !viewFlipper.isFlipping()) { viewFlipper.startFlipping(); } } @Override public boolean onTouchEvent(MotionEvent event) { // TODO Auto-generated method stub viewFlipper.stopFlipping(); // 点击事件后,停止自动播放 viewFlipper.setAutoStart(true);//设置是否自动播放 return gestureDetector.onTouchEvent(event); // 注册手势事件 } @Override public boolean onDown(MotionEvent arg0) { // TODO Auto-generated method stub return false; } @Override public boolean onFling(MotionEvent e1, MotionEvent e2, float arg2, float arg3) { if (e2.getX() - e1.getX() > 120) { // 从左向右滑动(左进右出) Animation rInAnim = AnimationUtils.loadAnimation(mActivity, R.anim.push_right_in); // 向右滑动左侧进入的渐变效果(alpha 0.1 -> 1.0) Animation rOutAnim = AnimationUtils.loadAnimation(mActivity, R.anim.push_right_out); // 向右滑动右侧滑出的渐变效果(alpha 1.0 -> 0.1) viewFlipper.setInAnimation(rInAnim); viewFlipper.setOutAnimation(rOutAnim); viewFlipper.showPrevious(); return true; } else if (e2.getX() - e1.getX() < -120) { // 从右向左滑动(右进左出) Animation lInAnim = AnimationUtils.loadAnimation(mActivity, R.anim.push_left_in); // 向左滑动左侧进入的渐变效果(alpha 0.1 -> 1.0) Animation lOutAnim = AnimationUtils.loadAnimation(mActivity, R.anim.push_left_out); // 向左滑动右侧滑出的渐变效果(alpha 1.0 -> 0.1) viewFlipper.setInAnimation(lInAnim); viewFlipper.setOutAnimation(lOutAnim); viewFlipper.showNext(); return true; } return true; } @Override public void onLongPress(MotionEvent arg0) { // TODO Auto-generated method stub } @Override public boolean onScroll(MotionEvent arg0, MotionEvent arg1, float arg2, float arg3) { // TODO Auto-generated method stub return false; } @Override public void onShowPress(MotionEvent arg0) { // TODO Auto-generated method stub } @Override public boolean onSingleTapUp(MotionEvent arg0) { // TODO Auto-generated method stub return false; }
}
解决方案
楼主解决了吗?同问啊
时间: 2024-09-12 02:01:22