private void initDeleteIcons() {
int deleteIconViews[] = {
R.id.deleteIcon1,
R.id.deleteIcon2,
R.id.deleteIcon3,
R.id.deleteIcon4,
R.id.deleteIcon5,
R.id.deleteIcon6,
R.id.deleteIcon7,
R.id.deleteIcon8,
R.id.deleteIcon9,
R.id.deleteIcon10
};
RelativeLayout.LayoutParams deleteIconParams =
new RelativeLayout.LayoutParams(screenHeight / 20, screenHeight / 20);
deleteIconParams.alignWithParent = true;
deleteIconParams.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM);
deleteIconParams.addRule(RelativeLayout.ALIGN_PARENT_RIGHT);
deleteIconParams.bottomMargin = 3;
deleteIconParams.rightMargin = 3;
for (int i = 0; i < deleteIconViews.length; i++) {
ImageView deleteIcon = (ImageView) findViewById(deleteIconViews[i]);
deleteIcon.setLayoutParams(deleteIconParams);
deleteIcon.setOnClickListener(deleteIconClickListener);
deleteIcon.setVisibility(View.GONE);
deleteIcons.add(deleteIcon);
}
}
/**
* 初始化
*
* @param imgResId 子按鈕嘅圖片drawalbe嘅id[]
* @param showhideButtonId 主按鈕嘅圖片drawable嘅id
* @param crossId 主按鈕上面嗰個轉動十字嘅圖片drawable嘅id
* @param pCode 位置代碼，例如“右上角”係ALIGN_PARENT_BOTTOM|ALIGN_PARENT_RIGHT
* @param radius 半徑
* @param durationMillis 動畫耗時
*/
public void init(
int[] imgResId,
int showhideButtonId,
int crossId,
byte pCode,
int radius,
final int durationMillis) {
// 處理pcode，將自定義嘅位置值改成align值
int align1 = 12, align2 = 14;
if (pCode == RIGHTBOTTOM) { // 右下角
align1 = ALIGN_PARENT_RIGHT;
align2 = ALIGN_PARENT_BOTTOM;
} else if (pCode == CENTERBOTTOM) { // 中下
align1 = CENTER_HORIZONTAL;
align2 = ALIGN_PARENT_BOTTOM;
} else if (pCode == LEFTBOTTOM) { // 左下角
align1 = ALIGN_PARENT_LEFT;
align2 = ALIGN_PARENT_BOTTOM;
} else if (pCode == LEFTCENTER) { // 左中
align1 = ALIGN_PARENT_LEFT;
align2 = CENTER_VERTICAL;
} else if (pCode == LEFTTOP) { // 左上角
align1 = ALIGN_PARENT_LEFT;
align2 = ALIGN_PARENT_TOP;
} else if (pCode == CENTERTOP) { // 中上
align1 = CENTER_HORIZONTAL;
align2 = ALIGN_PARENT_TOP;
} else if (pCode == RIGHTTOP) { // 右上角
align1 = ALIGN_PARENT_RIGHT;
align2 = ALIGN_PARENT_TOP;
} else if (pCode == RIGHTCENTER) { // 右中
align1 = ALIGN_PARENT_RIGHT;
align2 = CENTER_VERTICAL;
}
// 如果細過半徑就整大佢
RelativeLayout.LayoutParams thislps = (LayoutParams) this.getLayoutParams();
Bitmap mBottom = BitmapFactory.decodeResource(mycontext.getResources(), imgResId[0]);
if (pCode == CENTERBOTTOM || pCode == CENTERTOP) {
if (thislps.width != -1
&& thislps.width != -2
&& thislps.width < (radius + mBottom.getWidth() + radius * 0.1) * 2) {
thislps.width = (int) ((radius * 1.1 + mBottom.getWidth()) * 2);
}
} else {
if (thislps.width != -1
&& thislps.width != -2
&& thislps.width
< radius + mBottom.getWidth() + radius * 0.1) { // -1係FILL_PARENT，-2係WRAP_CONTENT
// 因為animation嘅setInterpolator設咗OvershootInterpolator，即系喐到目標之後仍然行多一段（超過目標位置）~然後再縮返到目標位置，所以父layout就要再放大少少。而因為呢個OvershootInterpolator接納嘅係一個彈力（浮點）值，佢經過一定算法計算出個時間……如果要根據呢個彈力轉換做距離數值，就比較麻煩，所以我只系求其加咗1/10個半徑。想追求完美嘅~可以自行研究下OvershootInterpolator類同Animation類，http://www.oschina.net可以揾倒android sdk嘅源碼。
thislps.width = (int) (radius * 1.1 + mBottom.getWidth());
}
}
if (pCode == LEFTCENTER || pCode == RIGHTCENTER) {
if (thislps.height != -1
&& thislps.height != -2
&& thislps.height < (radius + mBottom.getHeight() + radius * 0.1) * 2) {
thislps.width = (int) ((radius * 1.1 + mBottom.getHeight()) * 2);
}
} else {
if (thislps.height != -1
&& thislps.height != -2
&& thislps.height < radius + mBottom.getHeight() + radius * 0.1) {
thislps.height = (int) (radius * 1.1 + mBottom.getHeight());
}
}
this.setLayoutParams(thislps);
// 兩個主要層
RelativeLayout rl1 = new RelativeLayout(mycontext); // 包含若干子按鈕嘅層
rlButton = new RelativeLayout(mycontext); // 主按扭
llayouts = new LinearLayout[imgResId.length];
// N個子按鈕
for (int i = 0; i < imgResId.length; i++) {
ImageView img = new ImageView(mycontext); // 子按扭圖片
img.setImageResource(imgResId[i]);
LinearLayout.LayoutParams llps =
new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT);
img.setLayoutParams(llps);
llayouts[i] = new LinearLayout(mycontext); // 子按鈕層
llayouts[i].setId(100 + i); // 隨便設個id，方便onclick嘅時候識別返出嚟。呢個id值係求其設嘅，如果發現同其他控件沖突就自行改一下。
llayouts[i].addView(img);
llayouts[i].setVisibility(View.GONE);
RelativeLayout.LayoutParams rlps =
new RelativeLayout.LayoutParams(
RelativeLayout.LayoutParams.WRAP_CONTENT, RelativeLayout.LayoutParams.WRAP_CONTENT);
rlps.alignWithParent = true;
rlps.addRule(align1, RelativeLayout.TRUE);
rlps.addRule(align2, RelativeLayout.TRUE);
llayouts[i].setLayoutParams(rlps);
rl1.addView(llayouts[i]);
}
RelativeLayout.LayoutParams rlps1 =
new RelativeLayout.LayoutParams(
RelativeLayout.LayoutParams.FILL_PARENT, RelativeLayout.LayoutParams.FILL_PARENT);
rlps1.alignWithParent = true;
rlps1.addRule(align1, RelativeLayout.TRUE);
rlps1.addRule(align2, RelativeLayout.TRUE);
rl1.setLayoutParams(rlps1);
RelativeLayout.LayoutParams buttonlps =
new RelativeLayout.LayoutParams(
RelativeLayout.LayoutParams.WRAP_CONTENT, RelativeLayout.LayoutParams.WRAP_CONTENT);
buttonlps.alignWithParent = true;
buttonlps.addRule(align1, RelativeLayout.TRUE);
buttonlps.addRule(align2, RelativeLayout.TRUE);
rlButton.setLayoutParams(buttonlps);
rlButton.setBackgroundResource(showhideButtonId);
cross = new ImageView(mycontext);
cross.setImageResource(crossId);
RelativeLayout.LayoutParams crosslps =
new RelativeLayout.LayoutParams(
RelativeLayout.LayoutParams.WRAP_CONTENT, RelativeLayout.LayoutParams.WRAP_CONTENT);
crosslps.alignWithParent = true;
crosslps.addRule(CENTER_IN_PARENT, RelativeLayout.TRUE);
cross.setLayoutParams(crosslps);
rlButton.addView(cross);
myani = new myAnimations(rl1, pCode, radius);
rlButton.setOnClickListener(
new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
if (areButtonsShowing) {
myani.startAnimationsOut(durationMillis);
cross.startAnimation(myAnimations.getRotateAnimation(-270, 0, 300));
} else {
myani.startAnimationsIn(durationMillis);
cross.startAnimation(myAnimations.getRotateAnimation(0, -270, 300));
}
areButtonsShowing = !areButtonsShowing;
}
});
cross.startAnimation(myAnimations.getRotateAnimation(0, 360, 200));
this.addView(rl1);
this.addView(rlButton);
hasInit = true;
}
private void init() {
mCurrentDirectory = Environment.getExternalStorageDirectory();
mInitialDirectory = Environment.getExternalStorageDirectory();
this.setBackgroundResource(R.drawable.bg_pathbar);
this.setInAnimation(getContext(), R.anim.fade_in);
this.setOutAnimation(getContext(), R.anim.fade_out);
// RelativeLayout1
RelativeLayout standardModeLayout = new RelativeLayout(getContext());
{ // I use a block here so that layoutParams can be used as a variable name further down.
android.widget.ViewFlipper.LayoutParams layoutParams =
new android.widget.ViewFlipper.LayoutParams(
LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
standardModeLayout.setLayoutParams(layoutParams);
this.addView(standardModeLayout);
}
// ImageButton -- GONE. Kept this code in case we need to use an right-aligned button in the
// future.
mSwitchToManualModeButton = new ImageButton(getContext());
{
android.widget.RelativeLayout.LayoutParams layoutParams =
new android.widget.RelativeLayout.LayoutParams(
LayoutParams.WRAP_CONTENT, LayoutParams.MATCH_PARENT);
layoutParams.addRule(RelativeLayout.ALIGN_PARENT_RIGHT);
mSwitchToManualModeButton.setLayoutParams(layoutParams);
mSwitchToManualModeButton.setId(10);
mSwitchToManualModeButton.setImageResource(R.drawable.ic_navbar_edit);
mSwitchToManualModeButton.setBackgroundResource(R.drawable.bg_navbar_btn);
mSwitchToManualModeButton.setVisibility(View.GONE);
standardModeLayout.addView(mSwitchToManualModeButton);
}
// ImageButton -- GONE. Kept this code in case we need to use an left-aligned button in the
// future.
ImageButton cdToRootButton = new ImageButton(getContext());
{
android.widget.RelativeLayout.LayoutParams layoutParams =
new android.widget.RelativeLayout.LayoutParams(
LayoutParams.WRAP_CONTENT, LayoutParams.MATCH_PARENT);
layoutParams.addRule(RelativeLayout.ALIGN_PARENT_LEFT);
cdToRootButton.setLayoutParams(layoutParams);
cdToRootButton.setId(11);
cdToRootButton.setBackgroundResource(R.drawable.bg_navbar_btn);
cdToRootButton.setImageResource(R.drawable.ic_navbar_home);
cdToRootButton.setScaleType(ScaleType.CENTER_INSIDE);
cdToRootButton.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View v) {
cd("/");
}
});
cdToRootButton.setVisibility(View.GONE);
standardModeLayout.addView(cdToRootButton);
}
// Horizontal ScrollView container
mPathButtonsContainer = new HorizontalScrollView(getContext());
{
android.widget.RelativeLayout.LayoutParams layoutParams =
new android.widget.RelativeLayout.LayoutParams(
LayoutParams.WRAP_CONTENT, LayoutParams.MATCH_PARENT);
layoutParams.addRule(RelativeLayout.LEFT_OF, mSwitchToManualModeButton.getId());
layoutParams.addRule(RelativeLayout.RIGHT_OF, cdToRootButton.getId());
layoutParams.alignWithParent = true;
mPathButtonsContainer.setLayoutParams(layoutParams);
mPathButtonsContainer.setHorizontalScrollBarEnabled(false);
mPathButtonsContainer.setHorizontalFadingEdgeEnabled(true);
standardModeLayout.addView(mPathButtonsContainer);
}
// PathButtonLayout
mPathButtons = new PathButtonLayout(getContext());
{
android.widget.LinearLayout.LayoutParams layoutParams =
new android.widget.LinearLayout.LayoutParams(
LayoutParams.WRAP_CONTENT, LayoutParams.MATCH_PARENT);
mPathButtons.setLayoutParams(layoutParams);
mPathButtons.setNavigationBar(this);
mPathButtonsContainer.addView(mPathButtons);
}
// RelativeLayout2
RelativeLayout manualModeLayout = new RelativeLayout(getContext());
{
android.widget.ViewFlipper.LayoutParams layoutParams =
new android.widget.ViewFlipper.LayoutParams(
LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
manualModeLayout.setLayoutParams(layoutParams);
this.addView(manualModeLayout);
}
// ImageButton
mGoButton = new ImageButton(getContext());
{
android.widget.RelativeLayout.LayoutParams layoutParams =
new android.widget.RelativeLayout.LayoutParams(
LayoutParams.WRAP_CONTENT, LayoutParams.MATCH_PARENT);
layoutParams.addRule(RelativeLayout.ALIGN_PARENT_RIGHT);
mGoButton.setLayoutParams(layoutParams);
mGoButton.setId(20);
mGoButton.setBackgroundResource(R.drawable.bg_navbar_btn);
mGoButton.setImageResource(R.drawable.ic_navbar_accept);
mGoButton.setScaleType(ScaleType.CENTER_INSIDE);
mGoButton.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View v) {
manualInputCd(mPathEditText.getText().toString());
}
});
manualModeLayout.addView(mGoButton);
}
// EditText
mPathEditText = new EditText(getContext());
{
android.widget.RelativeLayout.LayoutParams layoutParams =
new android.widget.RelativeLayout.LayoutParams(
LayoutParams.WRAP_CONTENT, LayoutParams.MATCH_PARENT);
layoutParams.addRule(RelativeLayout.ALIGN_PARENT_LEFT);
layoutParams.alignWithParent = true;
layoutParams.addRule(RelativeLayout.LEFT_OF, mGoButton.getId());
mPathEditText.setLayoutParams(layoutParams);
mPathEditText.setBackgroundResource(R.drawable.bg_navbar_textfield);
mPathEditText.setTextColor(Color.BLACK);
mPathEditText.setInputType(InputType.TYPE_TEXT_VARIATION_URI);
mPathEditText.setImeOptions(EditorInfo.IME_ACTION_GO);
mPathEditText.setOnEditorActionListener(
new TextView.OnEditorActionListener() {
@Override
public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
if (actionId == EditorInfo.IME_ACTION_GO
|| (event.getAction() == KeyEvent.ACTION_DOWN
&& (event.getKeyCode() == KeyEvent.KEYCODE_DPAD_CENTER
|| event.getKeyCode() == KeyEvent.KEYCODE_ENTER))) {
if (manualInputCd(v.getText().toString()))
// Since we have successfully navigated.
return true;
}
return false;
}
});
manualModeLayout.addView(mPathEditText);
}
}