version:1.0

fix:
update:更换包名

app/src/main/java/com/uiui/zyos/iconpostition/IconPositionDBHelper.java

@@ -0,0 +1,36 @@
+package com.uiui.zyos.iconpostition;
+
+import android.content.Context;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteOpenHelper;
+import android.os.Environment;
+
+import java.io.File;
+
+public class IconPositionDBHelper extends SQLiteOpenHelper {
+    public static final String DATABASE_NAME = "requestlog.db";
+    private static final String DATABASE_FILE_NAME = Environment.getExternalStorageDirectory().getPath() + File.separator + DATABASE_NAME;
+    private static final int DATABASE_VERSION = 1;
+
+    public IconPositionDBHelper(Context context) {
+//            super(context, DATABASE_NAME, null, DATABASE_VERSION);
+        super(context, DATABASE_FILE_NAME, null, DATABASE_VERSION);
+    }
+
+    @Override
+    public void onCreate(SQLiteDatabase sqLiteDatabase) {
+        sqLiteDatabase.execSQL("CREATE TABLE IF NOT EXISTS DesktopIcon (" +
+                "id integer primary key autoincrement," +
+                "name text," +
+                "package text not null," +
+                "icon blob," +
+                "position integer UNIQUE" +
+                ")"
+        );
+    }
+
+    @Override
+    public void onUpgrade(SQLiteDatabase sqLiteDatabase, int i, int i1) {
+
+    }
+}

app/src/main/java/com/uiui/zyos/iconpostition/IconPositionManager.java

@@ -0,0 +1,111 @@
+package com.uiui.zyos.iconpostition;
+
+import android.annotation.SuppressLint;
+import android.content.ContentValues;
+import android.content.Context;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+
+import com.uiui.zyos.bean.NetDesktopIcon;
+import com.uiui.zyos.utils.ApkUtils;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+
+public class IconPositionManager {
+    @SuppressLint("StaticFieldLeak")
+    private static IconPositionManager sInstance;
+    private Context mContext;
+    private IconPositionDBHelper mDBHelper;
+
+    private static final String TABLE_NAME = "DesktopIcon";
+    private static String TAG = IconPositionManager.class.getSimpleName();
+
+    private IconPositionManager(Context context) {
+        if (context == null) {
+            throw new RuntimeException("Context is NULL");
+        }
+        mContext = context;
+        mDBHelper = new IconPositionDBHelper(context);
+    }
+
+    public static void init(Context context) {
+        if (sInstance == null) {
+            sInstance = new IconPositionManager(context);
+        }
+    }
+
+    public static IconPositionManager getInstance() {
+        if (sInstance == null) {
+            throw new IllegalStateException("You must be init IconPositionManager first");
+        }
+        return sInstance;
+    }
+
+    public IconPositionDBHelper getDBHelper() {
+        if (mDBHelper == null) {
+            mDBHelper = new IconPositionDBHelper(mContext);
+        }
+        return mDBHelper;
+    }
+
+    public void setOnlinePosition(List<NetDesktopIcon> desktopIconList) {
+        HashMap hashMap = new HashMap();
+
+        List<NetDesktopIcon> dbList = getLogList();
+        for (int i = 0; i < dbList.size(); i++) {
+            NetDesktopIcon icon = dbList.get(i);
+            if (!ApkUtils.isAvailable(mContext, icon.getPackages())) {
+                dbList.remove(i);
+                deleteIcon(icon.getPackages());
+            }
+        }
+    }
+
+    public List<NetDesktopIcon> getLogList() {
+        List<NetDesktopIcon> logBeanList = new ArrayList<>();
+        SQLiteDatabase db = mDBHelper.getReadableDatabase();
+        String sql = "select * from " + TABLE_NAME;
+        Cursor cursor = null;
+        try {
+            cursor = db.rawQuery(sql, null);
+            while (cursor.moveToNext()) {
+                NetDesktopIcon desktopIcon = new NetDesktopIcon();
+                desktopIcon.setId(cursor.getInt(cursor.getColumnIndex("id")));
+                desktopIcon.setName(cursor.getString(cursor.getColumnIndex("name")));
+                desktopIcon.setPackages(cursor.getString(cursor.getColumnIndex("package")));
+                desktopIcon.setNum(cursor.getInt(cursor.getColumnIndex("position")));
+                desktopIcon.setIcon(IconUtils.Bytes2Bimap(cursor.getBlob(cursor.getColumnIndex("icon"))));
+                logBeanList.add(desktopIcon);
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        } finally {
+            if (cursor != null) {
+                cursor.close();
+            }
+            db.close();
+        }
+        return logBeanList;
+    }
+
+    public void updateIcon(NetDesktopIcon netDesktopIcon) {
+        SQLiteDatabase db = mDBHelper.getWritableDatabase();
+        ContentValues values = new ContentValues();
+        values.put("name", netDesktopIcon.getName());
+        values.put("package", netDesktopIcon.getPackages());
+        values.put("position", netDesktopIcon.getNum());
+        values.put("icon", IconUtils.getPackageIcon(mContext, netDesktopIcon.getPackages()));
+        db.update(TABLE_NAME, values, "package=?", new String[]{netDesktopIcon.getPackages()});
+    }
+
+    public void deleteIcon(String pkg) {
+        SQLiteDatabase db = mDBHelper.getWritableDatabase();
+        db.delete(TABLE_NAME, "package=?", new String[]{pkg});
+    }
+
+
+
+
+}

app/src/main/java/com/uiui/zyos/iconpostition/IconUtils.java

@@ -0,0 +1,42 @@
+package com.uiui.zyos.iconpostition;
+
+import android.content.Context;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageManager;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.drawable.Drawable;
+
+import java.io.ByteArrayOutputStream;
+
+public class IconUtils {
+    public static byte[] getPackageIcon(Context context, String pkg) {
+        PackageManager pm = context.getPackageManager();
+        ApplicationInfo applicationInfo = null;
+        try {
+            applicationInfo = pm.getApplicationInfo(pkg, PackageManager.GET_META_DATA);
+        } catch (PackageManager.NameNotFoundException e) {
+            e.printStackTrace();
+        }
+        if (applicationInfo != null) {
+            Drawable icon = applicationInfo.loadIcon(pm);
+            Bitmap bitmap = ((BitmapDrawable) icon).getBitmap();
+            ByteArrayOutputStream stream = new ByteArrayOutputStream();
+            bitmap.compress(Bitmap.CompressFormat.JPEG, 100, stream);
+            byte[] bitmapdata = stream.toByteArray();
+            return bitmapdata;
+        } else {
+            return null;
+        }
+    }
+
+
+    public static Bitmap Bytes2Bimap(byte[] b) {
+        if (b.length != 0) {
+            return BitmapFactory.decodeByteArray(b, 0, b.length);
+        } else {
+            return null;
+        }
+    }
+}