㈠ 如何從屏幕底部向上滑出一個view-android開發問答
從屏幕底部向上滑出一個view的方式,主要是使用TranslateAnimation,這個類,可以綁定一個控制項,在y軸方向,滑出一段高度,如下代碼:
java">packagecom.txlong;
importandroid.app.Activity;
importandroid.os.Bundle;
importandroid.view.View;
importandroid.view.animation.Animation;
importandroid.view.animation.AnimationUtils;
importandroid.view.animation.TranslateAnimation;
importandroid.widget.Button;
importandroid.widget.TextView;
{
privateAnimationmyAnimation_Translate;
@Override
publicvoidonCreate(BundlesavedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
finalTextViewtv=(TextView)findViewById(R.id.tv);
Buttonbtn=(Button)findViewById(R.id.btn);
btn.setOnClickListener(newView.OnClickListener(){
@Override
publicvoidonClick(Viewv){
tv.setVisibility(View.VISIBLE);
myAnimation_Translate=newTranslateAnimation(
Animation.RELATIVE_TO_PARENT,-1,
Animation.RELATIVE_TO_PARENT,0,
Animation.RELATIVE_TO_PARENT,0,
Animation.RELATIVE_TO_PARENT,0);
myAnimation_Translate.setDuration(1000);
myAnimation_Translate.setInterpolator(AnimationUtils
.loadInterpolator(AndroidAnimationActivity.this,
android.R.anim.accelerate_decelerate_interpolator));
tv.startAnimation(myAnimation_Translate);
}
});
}
}
㈡ android中的imageview怎麼設置上下左右的滑動事件
private float mPosX; private float mPosY; private float mCurrentPosX; private float mCurrentPosY; private ImageView imageview; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); imageview = (ImageView) findViewById(R.id.imageview); imageview.setOnTouchListener(new View.OnTouchListener() { @Override public boolean onTouch(View v, MotionEvent event) { switch (event.getAction()) { // 按下 case MotionEvent.ACTION_DOWN: mPosX = event.getX(); mPosY = event.getY(); break; // 移動 case MotionEvent.ACTION_MOVE: mCurrentPosX = event.getX(); mCurrentPosY = event.getY(); if (mCurrentPosX - mPosX > 0 && Math.abs(mCurrentPosY - mPosY) < 10) Log.e("", "向右"); else if (mCurrentPosX - mPosX < 0 && Math.abs(mCurrentPosY - mPosY) < 10) Log.e("", "向左"); else if (mCurrentPosY - mPosY > 0 && Math.abs(mCurrentPosX - mPosX) < 10) Log.e("", "向下"); else if (mCurrentPosY - mPosY < 0 && Math.abs(mCurrentPosX - mPosX) < 10) Log.e("", "向上"); break; // 拿起 case MotionEvent.ACTION_UP: break; default: break; } return true; } }); }
㈢ android viewpager怎麼樣實現屏幕上下切屏效果...求上下部分源碼
屏幕上下切換的效果,一般用Activity的切換來做
你去網路搜下「Activity屏幕切換動畫」就OK了
㈣ Android動畫上下兩個View,下邊的往上移動覆蓋後,上邊的設置GONE,下邊的向下移動,上邊的顯示VISIABLE
直接用平移動畫就可以實現了
你看附件吧,附件中收集了android中的各種動畫效果
㈤ 如何解決Android中WebView上下滑動事件啊
使用手勢吧