@Override
public void update() {
super.update();
LayoutParams lp = (LayoutParams) getLayoutParams();
lp.leftMargin = bounds.displayLeft;
lp.topMargin = bounds.displayTop;
setLayoutParams(lp);
Log.d("Chevron", "new size:" + this.getWidth() + "," + this.getHeight());
updatePath();
}
private void initUI() {
mWM = (WindowManager) getSystemService(Context.WINDOW_SERVICE);
mScreenWidth = mWM.getDefaultDisplay().getWidth();
mScreenHeight = mWM.getDefaultDisplay().getHeight();
// 1找控件
final ImageView iv_drag = (ImageView) findViewById(R.id.iv_drag);
final Button bt_notify_top = (Button) findViewById(R.id.bt_notify_top);
final Button bt_notify_bottom = (Button) findViewById(R.id.bt_notify_bottom);
// 2获取归属地提示框保存的位置
int locationX = SpUtil.getInt(this, ConstantValues.TOAST_ADDRESS_LOCATIONX, 0);
int locationY = SpUtil.getInt(this, ConstantValues.TOAST_ADDRESS_LOCATIONY, 0);
mLayoutParams =
new RelativeLayout.LayoutParams(
RelativeLayout.LayoutParams.WRAP_CONTENT, RelativeLayout.LayoutParams.WRAP_CONTENT);
mLayoutParams.leftMargin = locationX;
mLayoutParams.topMargin = locationY;
iv_drag.setLayoutParams(mLayoutParams);
if (locationY < mScreenHeight / 2) {
bt_notify_top.setVisibility(View.INVISIBLE);
bt_notify_bottom.setVisibility(View.VISIBLE);
} else {
bt_notify_top.setVisibility(View.VISIBLE);
bt_notify_bottom.setVisibility(View.INVISIBLE);
}
// 4设置触摸监听事件
iv_drag.setOnTouchListener(
new OnTouchListener() {
private int startX;
private int startY;
@Override
public boolean onTouch(View v, MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
// 获取按下时候的坐标，作为初始坐标
startX = (int) event.getRawX();
startY = (int) event.getRawY();
break;
case MotionEvent.ACTION_MOVE:
// 获取移动过程中的坐标
int moveX = (int) event.getRawX();
int moveY = (int) event.getRawY();
// 移动的距离
int disX = moveX - startX;
int disY = moveY - startY;
int left = iv_drag.getLeft() + disX;
int top = iv_drag.getTop() + disY;
int right = iv_drag.getRight() + disX;
int bottom = iv_drag.getBottom() + disY;
if (top < mScreenHeight / 2) {
bt_notify_top.setVisibility(View.INVISIBLE);
bt_notify_bottom.setVisibility(View.VISIBLE);
} else {
bt_notify_top.setVisibility(View.VISIBLE);
bt_notify_bottom.setVisibility(View.INVISIBLE);
}
// 1容错处理
if (left < 0 || top < 0 || right > mScreenWidth || bottom > mScreenHeight - 22) {
return true;
}
// 2将移动后的坐标展示
System.out.println(left + "----" + top + "----" + right + "----" + bottom);
iv_drag.layout(left, top, right, bottom);
// 3重置起始坐标
startX = (int) event.getRawX();
startY = (int) event.getRawY();
break;
case MotionEvent.ACTION_UP:
// 4保存吐司位置坐标
SpUtil.putInt(
getApplicationContext(),
ConstantValues.TOAST_ADDRESS_LOCATIONX,
iv_drag.getLeft());
SpUtil.putInt(
getApplicationContext(),
ConstantValues.TOAST_ADDRESS_LOCATIONY,
iv_drag.getTop());
break;
}
return false;
}
});
// 5设置双击监听事件
iv_drag.setOnClickListener(
new OnClickListener() {
@Override
public void onClick(View v) {
System.arraycopy(mHits, 1, mHits, 0, mHits.length - 1);
mHits[mHits.length - 1] = SystemClock.uptimeMillis();
if (mHits[mHits.length - 1] - mHits[0] < 500) {
// 满足双击事件后,调用代码
int left = mScreenWidth / 2 - iv_drag.getWidth() / 2;
int top = mScreenHeight / 2 - iv_drag.getHeight() / 2;
int right = mScreenWidth / 2 + iv_drag.getWidth() / 2;
int bottom = mScreenHeight / 2 + iv_drag.getHeight() / 2;
// 控件按以上规则显示
iv_drag.layout(left, top, right, bottom);
// 存储最终位置
SpUtil.putInt(
getApplicationContext(),
ConstantValues.TOAST_ADDRESS_LOCATIONX,
iv_drag.getLeft());
SpUtil.putInt(
getApplicationContext(),
ConstantValues.TOAST_ADDRESS_LOCATIONY,
iv_drag.getTop());
}
}
});
}