Android - SDK开发必备Dialog封装（支持HMI操作）

电子月 · 发表于 2019-2-27 16:11:35

[td]

主要步骤

1.BaseKeyDialog类主要是监听按键移动操作，抽象出对应的方法

2.BaseSmallDialog类对Dialog方法进行覆写封装

3.集合存储对话框按键位置以及HMI位置

4.案例操作SDK封装的Dialog

主要思路

1.HMI操作：按键向下向上移动，以及按键确定和长按操作.。
2.在项目开发中，创建Dialog是必备。如果在每个对应类中去创建对应的Dialog，这样就会显得很累赘。这是我们需要在自己SDK里面创建自己需要的统一风格Dialog.
以便客户端直接覆写里面对应的方法和实现对应的接口。
3.HMI选择操作：用户可以通过方控旋转按钮来操作对应的页面（主要在车机和智能家居行业）。

1.BaseKeyDialog类监听按键移动操作，抽象出对应的方法dispatchkeyEvent方法：监听HMI按键向下向上移动，以及按键确定和长按操作。

public class BaseKeyDialog extends Dialog{
/**HMI长按*/
private static final int LONG_PRESS_KEY = 0x142;
public BaseKeyDialog(Context context) {
super(context);
}
public BaseKeyDialog(Context context, int style) {
super(context, style);
}
public boolean dispatchkeyEvent(android.view.KeyEvent event) {
int keyCode = event.getKeyCode();
if(keyCode == KeyEvent.KEYCODE_DPAD_LEFT
|| keyCode == KeyEvent.KEYCODE_DPAD_RIGHT
|| keyCode == KeyEvent.KEYCODE_DPAD_CENTER
|| keyCode == KeyEvent.KEYCODE_ENTER
|| keyCode == LONG_PRESS_KEY) {
if(event.getAction() == KeyEvent.ACTION_UP) { //按键放开时
if(keyCode == KeyEvent.KEYCODE_DPAD_LEFT) {
moveToUp(); //HMI向上操作
} else if (keyCode == KeyEvent.KEYCODE_DPAD_RIGHT) {
moveToDown(); //HMI向下操作
} else if (keyCode == KeyEvent.KEYCODE_DPAD_CENTER
|| keyCode == KeyEvent.KEYCODE_ENTER) {
centerSure();
} else if (keyCode == LONG_PRESS_KEY) {
longCenterSure();
}
}
return true;
}
return super.dispatchKeyEvent(event);
}
/**
* HMI向上操作
*/
protected void moveToUp() {
}
/**
* HMI向下操作
*/
protected void moveToDown() {
}
/**
* HMI确定操作
*/
protected void centerSure() {
}
/**
* 长按操作
*/
protected void longCenterSure() {
}

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2.BaseSmallDialog类对Dialog方法进行覆写封装

该类主要是覆写对话框里面的标题、布局、按钮、显示和隐藏等方法，以及使用ArrayList集合存储对应的对话框按键位置以及HMI位置。

public class BaseSmallDialog extends BaseKeyDialog{
private View rootView;
protected static final String TAG = BaseSmallDialog.class.getSimpleName();
public BaseSmallDialog(Context context) {
super(context);
init();
}
private void init() {
View view = View.inflate(getContext(), R.layout.dialog_small, null);
initView(view);
setContentView(view);
LayoutParams ls = getWindow().getAttributes();
ls.width = (int) getContext().getResources().getDimension(R.dimen.small_dialog_width);
ls.height = (int) getContext().getResources().getDimension(R.dimen.small_dialog_height);
}
private void initView(View view) {
rootView = view;
}
public void setMessage(String message) {
((TextView)rootView.findViewById(R.id.message)).setText(message);
rootView.findViewById(R.id.message).setVisibility(View.VISIBLE);
}
public void setMessage(int message) {
((TextView)rootView.findViewById(R.id.message)).setText(message);
rootView.findViewById(R.id.message).setVisibility(View.VISIBLE);
}
public void setTitle(String message) {
((TextView)rootView.findViewById(R.id.title)).setText(message);
rootView.findViewById(R.id.title).setVisibility(View.VISIBLE);
}
public void setTitle(int message) {
((TextView)rootView.findViewById(R.id.title)).setText(message);
rootView.findViewById(R.id.title).setVisibility(View.VISIBLE);
}
public void setLeftButton(int text, View.OnClickListener listener) {
rootView.findViewById(R.id.left_button_layout).setVisibility(View.VISIBLE);
setButton(R.id.left_button, text, listener);
}
public void setLeftButton(String text, View.OnClickListener listener) {
rootView.findViewById(R.id.left_button_layout).setVisibility(View.VISIBLE);
setButton(R.id.left_button, text, listener);
}
public void setMiddleButton(int text, View.OnClickListener listener) {
rootView.findViewById(R.id.middle_button_layout).setVisibility(View.VISIBLE);
setButton(R.id.middle_button, text, listener);
}
public void setMiddleButton(String text, View.OnClickListener listener) {
rootView.findViewById(R.id.middle_button_layout).setVisibility(View.VISIBLE);
setButton(R.id.middle_button, text, listener);
}
public void setRightButton(int text, View.OnClickListener listener) {
rootView.findViewById(R.id.right_button_layout).setVisibility(View.VISIBLE);
setButton(R.id.right_button, text, listener);
}
public void setRightButton(String text, View.OnClickListener listener) {
rootView.findViewById(R.id.right_button_layout).setVisibility(View.VISIBLE);
setButton(R.id.right_button, text, listener);
}
private void setButton(int buttonId, int text, View.OnClickListener listener) {
TextView button = (TextView) rootView.findViewById(buttonId);
if(button != null) {
rootView.findViewById(R.id.bottom_layout).setVisibility(View.VISIBLE);
button.setText(text);
if(listener == null) {
button.setOnClickListener(closeListener);
} else {
button.setOnClickListener(listener);
}
}
}
private void setButton(int buttonId, String text, View.OnClickListener listener) {
TextView button = (TextView) rootView.findViewById(buttonId);
if(button != null) {
rootView.findViewById(R.id.bottom_layout).setVisibility(View.VISIBLE);
button.setText(text);
if(listener == null) {
button.setOnClickListener(closeListener);
} else {
button.setOnClickListener(listener);
}
}
}
public void setContent(View view) {
if(view != null) {
ViewGroup content = (ViewGroup) rootView.findViewById(R.id.content);
content.setVisibility(View.VISIBLE);
content.addView(view);
}
}
public void setContext(int viewId) {
View view = View.inflate(getContext(), viewId, null);
setContent(view);
}
private View.OnClickListener closeListener = new View.OnClickListener() {
@Override
public void onClick(View v) {
dismiss();
}
};
/**
* HMI操作的小标
*/
private int mHMIIndex = 0;
/**
* 底部的按钮
*/
private List<View> mBottomButtons = new ArrayList<View>();
private int mBootomButtonSize;
public void show() {
super.show();
prepareShowForHmi();
}
/**
* 为了HMI的底部按钮响应做一下准工作
*/
private void prepareShowForHmi() {
mBottomButtons.clear();
mHMIIndex = 0;
if(findViewById(R.id.left_button_layout).getVisibility() == View.VISIBLE) {
mBottomButtons.add(findViewById(R.id.left_button));
}
if(findViewById(R.id.middle_button_layout).getVisibility() == View.VISIBLE) {
mBottomButtons.add(findViewById(R.id.middle_button));
}
if(findViewById(R.id.right_button_layout).getVisibility() == View.VISIBLE) {
mBottomButtons.add(findViewById(R.id.right_button));
}
mBootomButtonSize = mBottomButtons.size();
selectBootomButton();
}
/**
* 选择底部按钮
*/
private void selectBootomButton() {
if(canSelect()) {
if(mBottomButtons.get(mHMIIndex).isEnabled()) {
updateSelect();
} else {
nextSelect();
}
}
}
/**
* HMI向下操作
*/
private void nextSelect() {
if(canSelect()) {
mHMIIndex = (mHMIIndex + 1) % mBottomButtons.size();
selectBootomButton();
}
}
/**
* HMI向上操作
*/
private void prevSelect() {
if(canSelect()) {
mHMIIndex = (mHMIIndex - 1 + mBottomButtons.size()) % mBottomButtons.size();
selectBootomButton();
}
}
private void updateSelect() {
for(int i = 0; i < mBootomButtonSize; i++) {
mBottomButtons.get(i).setSelected(mHMIIndex == i);
}
}
private boolean canSelect() {
for(View view: mBottomButtons) {
if(view.isEnabled()) {
return true;
}
}
return false;
}
@Override
protected void moveToUp() {
prevSelect();
}
@Override
protected void moveToDown() {
nextSelect();
}
@Override
protected void centerSure() {
if(mHMIIndex >=0 && mHMIIndex < mBottomButtons.size() && mBottomButtons.get(mHMIIndex).isEnabled()) {
mBottomButtons.get(mHMIIndex).performClick();
}
}
@Override
protected void longCenterSure() {
super.longCenterSure();
}

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3.案例操作SDK封装的Dialog

private void showSysnContactsDialog(boolean isShow) {
if(!isShow) {
if(syncDialog != null && syncDialog.isShow()) {
syncDialog.dismiss();
}
return;
}
if(this == null) {
return;
}
if(syncDialog == null) {
syncDialog = new BtTipsDialog(this);
syncDialog.setTitle(R.string.action_settings);
syncDialog.setCanceledOnTouchOutside(false);
View v = View.inflate(this, R.layout.dialog_bt_searching, null);
TextView text = (TextView) v.findViewById(R.id.tvTextView);
text.setText(R.string.bt_contacts_update);
syncDialog.setContent(v);
}
syncDialog.show();
}

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作者：ZebraWei
来源：简书

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