Android桌面壁纸
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继承ViewGroup的MyWorkspace类
public class MyWorkSpace extends ViewGroup{ private static final String TAG = "MyWorkSpace"; private Scroller mScroller; private VelocityTracker mVelocityTracker; private int mCurScreen; private int mDefaultScreen = 0; private static final int TOUCH_STATE_REST = 0; private static final int TOUCH_STATE_SCROLLING = 1; private static final int SNAP_VELOCITY = 600; private int mTouchState = TOUCH_STATE_REST; private int mTouchSlop; private float mLastMotionX; private float mLastMotionY; public Handler myHandler = new Handler() { public void handleMessage(Message msg) { int param1 = 0; int width = MainActivity.tvCursor.getWidth(); if (msg.what == 0x123) { param1 = msg.arg1; } TranslateAnimation ta = new TranslateAnimation( (param1 - 1) * width, param1 * width, 0, 0); ta.setDuration(100); ta.setFillEnabled(true); ta.setFillAfter(true); MainActivity.tvCursor.setAnimation(ta); } }; public MyWorkSpace(Context context, AttributeSet attrs) { this(context, attrs, 0); // TODO Auto-generated constructor stub } public MyWorkSpace(Context context) { super(context); // TODO Auto-generated constructor stub } public MyWorkSpace(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); // TODO Auto-generated constructor stub mScroller = new Scroller(context); mCurScreen = mDefaultScreen; mTouchSlop = ViewConfiguration.get(getContext()).getScaledTouchSlop(); } @Override protected void onLayout(boolean changed, int l, int t, int r, int b) { // TODO Auto-generated method stub if (changed) { int childLeft = 0; final int childCount = getChildCount(); for (int i = 0; i < childCount; i++) { final View childView = getChildAt(i); if (childView.getVisibility() != View.GONE) { final int childWidth = childView.getMeasuredWidth(); childView.layout(childLeft, 0, childLeft + childWidth, childView.getMeasuredHeight()); childLeft += childWidth; } } } } @Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { Log.e(TAG, "onMeasure"); super.onMeasure(widthMeasureSpec, heightMeasureSpec); final int width = MeasureSpec.getSize(widthMeasureSpec); final int widthMode = MeasureSpec.getMode(widthMeasureSpec); if (widthMode != MeasureSpec.EXACTLY) { throw new IllegalStateException( "ScrollLayout only canmCurScreen run at EXACTLY mode!"); } final int heightMode = MeasureSpec.getMode(heightMeasureSpec); if (heightMode != MeasureSpec.EXACTLY) { throw new IllegalStateException( "ScrollLayout only can run at EXACTLY mode!"); } // The children are given the same width and height as the scrollLayout final int count = getChildCount(); for (int i = 0; i < count; i++) { getChildAt(i).measure(widthMeasureSpec, heightMeasureSpec); } // Log.e(TAG, "moving to screen "+mCurScreen); scrollTo(mCurScreen * width, 0); } /** * According to the position of current layout scroll to the destination * page. */ public void snapToDestination() { final int screenWidth = getWidth(); final int destScreen = (getScrollX() + screenWidth / 2) / screenWidth; snapToScreen(destScreen); } public void snapToScreen(int whichScreen) { Log.e("", "snapToScreen============>" + whichScreen); if (whichScreen < MainActivity.totalPageNum) { Message msg = new Message(); msg.what = 0x123; msg.arg1 = whichScreen; myHandler.sendMessage(msg); } // get the valid layout page whichScreen = Math.max(0, Math.min(whichScreen, getChildCount() - 1)); if (getScrollX() != (whichScreen * getWidth())) { final int delta = whichScreen * getWidth() - getScrollX(); mScroller.startScroll(getScrollX(), 0, delta, 0, Math.abs(delta) * 2); mCurScreen = whichScreen; invalidate(); // Redraw the layout } } public void setToScreen(int whichScreen) { whichScreen = Math.max(0, Math.min(whichScreen, getChildCount() - 1)); mCurScreen = whichScreen; scrollTo(whichScreen * getWidth(), 0); } public int getCurScreen() { return mCurScreen; } @Override public void computeScroll() { // TODO Auto-generated method stub if (mScroller.computeScrollOffset()) { scrollTo(mScroller.getCurrX(), mScroller.getCurrY()); postInvalidate(); } } @Override public boolean onTouchEvent(MotionEvent event) { // TODO Auto-generated method stub if (mVelocityTracker == null) { mVelocityTracker = VelocityTracker.obtain(); } mVelocityTracker.addMovement(event); final int action = event.getAction(); final float x = event.getX(); final float y = event.getY(); switch (action) { case MotionEvent.ACTION_DOWN: Log.e(TAG, "event down!"); if (!mScroller.isFinished()) { mScroller.abortAnimation(); } mLastMotionX = x; Log.e("", "============>x=" + x + ",y=" + y); break; case MotionEvent.ACTION_MOVE: int deltaX = (int)(mLastMotionX - x); mLastMotionX = x; scrollBy(deltaX, 0); break; case MotionEvent.ACTION_UP: Log.e(TAG, "event : up"); // if (mTouchState == TOUCH_STATE_SCROLLING) { final VelocityTracker velocityTracker = mVelocityTracker; velocityTracker.computeCurrentVelocity(1000); int velocityX = (int)velocityTracker.getXVelocity(); Log.e(TAG, "velocityX:" + velocityX); if (velocityX > SNAP_VELOCITY && mCurScreen > 0) { // Fling enough to move left Log.e(TAG, "snap left"); snapToScreen(mCurScreen - 1); } else if (velocityX < -SNAP_VELOCITY && mCurScreen < getChildCount() - 1) { // Fling enough to move right Log.e(TAG, "snap right"); snapToScreen(mCurScreen + 1); } else { snapToDestination(); } if (mVelocityTracker != null) { mVelocityTracker.recycle(); mVelocityTracker = null; } // } mTouchState = TOUCH_STATE_REST; break; case MotionEvent.ACTION_CANCEL: mTouchState = TOUCH_STATE_REST; break; } return true; } @Override public boolean onInterceptTouchEvent(MotionEvent ev) { // TODO Auto-generated method stub Log.e(TAG, "onInterceptTouchEvent-slop:" + mTouchSlop); final int action = ev.getAction(); if ((action == MotionEvent.ACTION_MOVE) && (mTouchState != TOUCH_STATE_REST)) { return true; } final float x = ev.getX(); final float y = ev.getY(); switch (action) { case MotionEvent.ACTION_MOVE: final int xDiff = (int)Math.abs(mLastMotionX - x); if (xDiff > mTouchSlop) { mTouchState = TOUCH_STATE_SCROLLING; } break; case MotionEvent.ACTION_DOWN: mLastMotionX = x; mLastMotionY = y; mTouchState = mScroller.isFinished() ? TOUCH_STATE_REST : TOUCH_STATE_SCROLLING; break; case MotionEvent.ACTION_CANCEL: case MotionEvent.ACTION_UP: mTouchState = TOUCH_STATE_REST; break; } return mTouchState != TOUCH_STATE_REST; } }
MainActivity入口类
public class MainActivity extends Activity implements OnClickListener{ private LinearLayout mainlayout; private RelativeLayout rl_main; private ImageView btnCall = null; private ImageView btnSms = null; private ImageView btnContact = null; private ImageView btnWebView = null; private GridView gvApp1; private GridView gvApp2; private GridView gvApp3; private GridView gvApp4; private GridView gvApp5; private com.huawei.ccs.MyWorkSpace myWorkSpace; private List<AppInfo> data1 = new ArrayList<AppInfo>(); private List<AppInfo> data2 = new ArrayList<AppInfo>(); private List<AppInfo> data3 = new ArrayList<AppInfo>(); private List<AppInfo> data4 = new ArrayList<AppInfo>(); private List<AppInfo> data5 = new ArrayList<AppInfo>(); public static TextView tvCursor; public LinearLayout ll_cursor; private LinearLayout webViewLayout; //webView布局 private LinearLayout controllLayout; //底部控制条布局 private WebView currentWebView; static int totalPageNum; private static Map<Integer, LinearLayout> WebView_Map = new HashMap<Integer, LinearLayout>(); //存放WebView Map private static int WebView_Index = 0; //WebView_Map key private static final int BUTTON_BACK = 0; private static final int BUTTON_FORWARD = 1; private static final int BUTTON_REFRESH = 2; private static final int BUTTON_HOME = 3; private static final int BUTTON_OTHER = 4; private static final int WEBVIEW_ID = 888; private int[] icons = new int[] {R.drawable.a, R.drawable.b, R.drawable.c, R.drawable.d, R.drawable.e, R.drawable.f, R.drawable.g, R.drawable.d, R.drawable.e, R.drawable.f, R.drawable.a, R.drawable.b, R.drawable.c, R.drawable.a, R.drawable.b, R.drawable.c, R.drawable.a, R.drawable.b, R.drawable.c, R.drawable.d, R.drawable.e, R.drawable.f, R.drawable.g, R.drawable.h, R.drawable.i, R.drawable.j, R.drawable.k, R.drawable.h, R.drawable.i, R.drawable.j, R.drawable.k, R.drawable.d, R.drawable.e, R.drawable.f, R.drawable.g, R.drawable.l, R.drawable.m, R.drawable.n, R.drawable.o, R.drawable.h, R.drawable.i, R.drawable.j, R.drawable.k, R.drawable.d, R.drawable.e, R.drawable.f, R.drawable.g, R.drawable.l, R.drawable.m, R.drawable.n, R.drawable.o, R.drawable.h, R.drawable.i, R.drawable.j, R.drawable.k, R.drawable.d, R.drawable.e, R.drawable.f, R.drawable.g, R.drawable.l, R.drawable.m, R.drawable.n, R.drawable.o, R.drawable.h, R.drawable.i, R.drawable.j, R.drawable.k}; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); mainlayout = (LinearLayout)this.findViewById(R.id.MainLayout); ll_cursor = (LinearLayout)findViewById(R.id.ll_cursor); btnCall = (ImageView)findViewById(R.id.call_btn); btnSms = (ImageView)findViewById(R.id.sms_btn); btnContact = (ImageView)findViewById(R.id.contact_btn); btnWebView = (ImageView)findViewById(R.id.menu_btn); myWorkSpace = (com.huawei.ccs.MyWorkSpace)findViewById(R.id.workspace); rl_main = (RelativeLayout)findViewById(R.id.rl_main); gvApp1 = (GridView)findViewById(R.id.gv_app); loadApps(); gvApp1.setAdapter(new AppAdapter(this, data1)); totalPageNum = 1; if (icons.length > 12) { View view2 = LayoutInflater.from(this) .inflate(R.layout.app_gridview, null); gvApp2 = (GridView)view2.findViewById(R.id.gv_app); gvApp2.setAdapter(new AppAdapter(this, data2)); myWorkSpace.addView(view2); totalPageNum++; } if (icons.length > 24) { View view3 = LayoutInflater.from(this) .inflate(R.layout.app_gridview, null); gvApp3 = (GridView)view3.findViewById(R.id.gv_app); gvApp3.setAdapter(new AppAdapter(this, data3)); myWorkSpace.addView(view3); totalPageNum++; } if (icons.length > 36) { View view4 = LayoutInflater.from(this) .inflate(R.layout.app_gridview, null); gvApp4 = (GridView)view4.findViewById(R.id.gv_app); gvApp4.setAdapter(new AppAdapter(this, data4)); myWorkSpace.addView(view4); totalPageNum++; } if (icons.length > 48) { View view5 = LayoutInflater.from(this) .inflate(R.layout.app_gridview, null); gvApp5 = (GridView)view5.findViewById(R.id.gv_app); gvApp5.setAdapter(new AppAdapter(this, data5)); myWorkSpace.addView(view5); totalPageNum++; } int cursorWidth = 480 / totalPageNum; tvCursor = new TextView(this); tvCursor.setLayoutParams(new LayoutParams(cursorWidth, 2)); tvCursor.setBackgroundColor(Color.WHITE); ll_cursor.removeAllViews(); ll_cursor.addView(tvCursor); btnCall.setOnClickListener(this); btnSms.setOnClickListener(this); btnContact.setOnClickListener(this); btnWebView.setOnClickListener(this); } public void loadApps() { AppInfo appInfo = null; for (int i = 0; i < icons.length; i++) { appInfo = new AppInfo(); appInfo.setAppLabel("App" + (i + 1)); appInfo.setAppIcon(icons[i]); if (i < 12) { data1.add(appInfo); } else if (i < 24) { data2.add(appInfo); } else if (i < 36) { data3.add(appInfo); } else if (i < 48) { data4.add(appInfo); } else if (i < 60) { data5.add(appInfo); } } } @Override public void onClick(View v) { switch (v.getId()) { //phone call case R.id.call_btn: Intent intent = new Intent(Intent.ACTION_DIAL); startActivity(intent); break; //send sms case R.id.sms_btn: Uri smsToUri = Uri.parse("smsto:"); Intent mIntent = new Intent( android.content.Intent.ACTION_SENDTO, smsToUri); startActivity(mIntent); break; //goto contact case R.id.contact_btn: Intent contactIntent = new Intent(); contactIntent.setAction(Intent.ACTION_VIEW); contactIntent.setData(ContactsContract.Contacts.CONTENT_URI); startActivity(contactIntent); break; //go cube case R.id.menu_btn: // Intent intent1 = new Intent(MainActivity.this, // MyWebViewControll.class); // startActivity(intent1); //生成WebView主布局 rl_main.setVisibility(View.GONE); mainlayout.setVisibility(View.VISIBLE); webViewLayout = new LinearLayout(this); webViewLayout.setOrientation(LinearLayout.VERTICAL); LayoutParams lp = new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT); webViewLayout.setLayoutParams(lp); //生成WebView布局中的WebView currentWebView = new WebView(this); currentWebView.setId(WEBVIEW_ID); LayoutParams lp1 = new LayoutParams(LayoutParams.FILL_PARENT, 700); currentWebView.setLayoutParams(lp1); currentWebView.loadUrl("www.baidu.com"); //WebView主布局加载WebView webViewLayout.addView(currentWebView); //界面主布局加载ebView主布局 mainlayout.addView(webViewLayout); //WebView主布局加载底部控制条 initControllView(); break; case BUTTON_BACK: if (currentWebView.canGoBack()) currentWebView.goBack(); else Toast.makeText(MainActivity.this, "已经是最后一页了！！！", Toast.LENGTH_SHORT).show(); break; case BUTTON_FORWARD: if (currentWebView.canGoForward()) currentWebView.goForward(); else Toast.makeText(MainActivity.this, "已经是第一页了！！！", Toast.LENGTH_SHORT).show(); break; case BUTTON_REFRESH: currentWebView.reload(); break; case BUTTON_HOME: toHome(); break; case BUTTON_OTHER: WebView_Map.put(WebView_Index, webViewLayout); toWebViewById(WebView_Index); break; default: break; } } //初始化控制条 private void initControllView() { controllLayout = new LinearLayout(this); controllLayout.setOrientation(LinearLayout.HORIZONTAL); LayoutParams lp = new LayoutParams(LayoutParams.FILL_PARENT, 100); controllLayout.setLayoutParams(lp); controllLayout.setPadding(15, 15, 0, 0); createButton("QianJin", BUTTON_BACK); createButton("HouTui", BUTTON_FORWARD); createButton("ShuaXin", BUTTON_REFRESH); createButton("ZhuYe", BUTTON_HOME); createButton("DuoChuangKou", BUTTON_OTHER); webViewLayout.addView(controllLayout); } private void createButton(String name, int bid) { Button btn = new Button(this); btn.setText(name); LayoutParams lp = new LayoutParams(90, 50); btn.setLayoutParams(lp); btn.setId(bid); btn.setOnClickListener(this); controllLayout.addView(btn); } //返回主页 private void toHome() { rl_main.setVisibility(View.VISIBLE); mainlayout.setVisibility(View.GONE); // webViewLayout.setVisibility(View.GONE); WebView_Index++; } //根据ID跳转WebView public void toWebViewById(int index) { rl_main.setVisibility(View.GONE); mainlayout.setVisibility(View.VISIBLE); webViewLayout = WebView_Map.get(index); currentWebView = (WebView)webViewLayout.findViewById(WEBVIEW_ID); webViewLayout.setVisibility(View.VISIBLE); } }AppAdapter.java
public class AppAdapter extends BaseAdapter{ private Context myContext; private List<AppInfo> appInfo; public AppAdapter(Context myContext, List<AppInfo> appInfo) { super(); this.myContext = myContext; this.appInfo = appInfo; } public int getCount() { if (null != appInfo) { return appInfo.size(); } return 0; } public AppInfo getItem(int position) { return appInfo.get(position); } public long getItemId(int position) { return position; } public View getView(int position, View convertView, ViewGroup parent) { View view = convertView; MyHolder myholder = null; if (null == view) { view = LayoutInflater.from(myContext) .inflate(R.layout.grad_view_item, null); myholder = new MyHolder(); myholder.tv = (TextView)view.findViewById(R.id.widget_label); myholder.iv = (ImageView)view.findViewById(R.id.widget_icon); view.setTag(myholder); } else { myholder = (MyHolder)view.getTag(); } myholder.tv.setText(appInfo.get(position).getAppLabel()); myholder.iv.setImageResource(appInfo.get(position).getAppIcon()); return view; } private class MyHolder { ImageView iv; TextView tv; }}
AppInfo.java
public class AppInfo{ /** * widget名字 */ private String appLabel; /** * widget图标id */ private int appIcon; public String getAppLabel() { return appLabel; } public void setAppLabel(String appLabel) { this.appLabel = appLabel; } public int getAppIcon() { return appIcon; } public void setAppIcon(int appIcon) { this.appIcon = appIcon; } }
主要布局文件:main.xml
<?xml version="1.0" encoding="utf-8"?><AbsoluteLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" > <RelativeLayout android:id="@+id/rl_main" android:layout_width="fill_parent" android:layout_height="fill_parent" android:layout_x="0px" android:layout_y="0px" android:orientation="vertical" > <com.huawei.ccs.MyWorkSpace android:id="@+id/workspace" android:layout_width="fill_parent" android:layout_height="730px" android:background="#000" > <include android:id="@+id/cell1" layout="@layout/app_gridview" /> </com.huawei.ccs.MyWorkSpace> <include android:id="@+id/bottom_view" layout="@layout/bottom" /> <LinearLayout android:id="@+id/ll_cursor" android:layout_width="480px" android:layout_height="2px" android:layout_above="@id/bottom_view" android:background="#bbf" > </LinearLayout> </RelativeLayout> <LinearLayout android:id="@+id/MainLayout" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_x="0px" android:layout_y="0px" android:background="#000" android:orientation="vertical" android:visibility="gone" > </LinearLayout></AbsoluteLayout>
bottom.xml
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/bottom_layout" android:layout_width="match_parent" android:layout_height="85px" android:layout_alignParentBottom="true" android:background="#000" android:gravity="center" > <ImageView android:id="@+id/call_btn" android:layout_width="52px" android:layout_height="52px" android:layout_marginLeft="54px" android:layout_marginRight="54px" android:src="@drawable/call" /> <ImageView android:id="@+id/sms_btn" android:layout_width="52px" android:layout_height="52px" android:layout_marginRight="55px" android:src="@drawable/sms" /> <ImageView android:id="@+id/contact_btn" android:layout_width="52px" android:layout_height="52px" android:layout_marginRight="55px" android:src="@drawable/contact" /> <ImageView android:id="@+id/menu_btn" android:layout_width="59px" android:layout_height="59px" android:layout_marginRight="54px" android:src="@drawable/menu" /> </LinearLayout>
grad_view_item.xml
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <ImageView android:id="@+id/widget_icon" android:layout_width="90px" android:layout_height="90px" android:layout_marginBottom="5px" android:layout_marginLeft="15px" android:layout_marginRight="15px" android:src="@drawable/a" /> <TextView android:id="@+id/widget_label" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center" android:layout_marginBottom="15px" android:text="finder" android:textColor="#ffffff" android:textSize="20px" /></LinearLayout>
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