Android(安卓)Launcher 如何去掉主菜单，所有应用摆在桌面，类似小米桌面

前言
         欢迎大家我分享和推荐好用的代码段~~
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正文

Launcher3/src/com/android/launcher3/ 1. AppsCustomizePagedView.java    public static boolean DISABLE_ALL_APPS = true; //mtk modify 2. AppsCustomizePagedView.java
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        int width = MeasureSpec.getSize(widthMeasureSpec);
        int height = MeasureSpec.getSize(heightMeasureSpec);
        LauncherLog.d(TAG, "onMeasure mIsInEditMode = " + mIsInEditMode + widthMeasureSpec + " " + heightMeasureSpec
                + " " + width + " " + height);
        if (!isDataReady()) {
            LauncherLog.d(TAG, "onMeasure DISABLE_ALL_APPS is " + DISABLE_ALL_APPS
                    + " !mApps.isEmpty() is " + !mApps.isEmpty()
                    + " !mWidgets.isEmpty()" + !mWidgets.isEmpty());
            if ((DISABLE_ALL_APPS || (!mApps.isEmpty() && mAppsHasSet)) && !mWidgets.isEmpty()) { //mtk modify
                setDataIsReady();
                setMeasuredDimension(width, height);
                onDataReady(width, height);
            }
        }         super.onMeasure(widthMeasureSpec, heightMeasureSpec);
    } 3.Launcher.java     private void showAppsCustomizeHelper(final boolean animated, final boolean springLoaded,
                                         final AppsCustomizePagedView.ContentType contentType) {
    ......
        // Shrink workspaces away if going to AppsCustomize from workspace
        Animator workspaceAnim =
                mWorkspace.getChangeStateAnimation(Workspace.State.SMALL, animated);
        //if (!AppsCustomizePagedView.DISABLE_ALL_APPS) { //mtk modify
            // Set the content type for the all apps space
            mAppsCustomizeTabHost.setContentTypeImmediate(contentType);
        //} //mtk modify
    ......
    }
4. default_workspace.xml文件(这个文件很多路径有，请确保修改到正确的文件，例如)mediatek/operator/有) 这个文件会配置hotseat的图标，默认不会配置screen为2的位置，这是原来的allapp button，做了此客制化后就需要配置screen2，而不能配置screen 4，因此，请对应修改原来4个hotseat图标的screen id，从0到3.

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