mt6735 Launcher3如何实现壁纸居中
时间:10-02
整理:3721RD
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[DESCRIPTION]
Launcher3如何实现壁纸居中?
[SOLUTION]
Launcher3的wallpaper显示是动态的,与Launcher预置桌面数目有关,让壁纸居中,只能确保第一次开机时壁纸居中,后面用户修改桌面数目后,就
无法达到了。如何要在默认桌面数目配置时居中,可以参考下面方法,以default一屏为例:
Launcher3的workspace.java文件替换下面的函数
private void updateOffset(boolean force) {
if (mWaitingForUpdate || force) {
mWaitingForUpdate = false;
LauncherLog.d(TAG, "updateOffset: mWallpaperOffset = " + mWallpaperOffset.getCurrX());
if (computeScrollOffset() && mWindowToken != null) {
try {
if (getChildCount() <= 1) {
LauncherLog.d(TAG, "wallpaperOffset 111");
mWallpaperManager.setWallpaperOffsets(mWindowToken,
/* mWallpaperOffset.getCurrX()*/0.5f, 0.5f);
}else{
LauncherLog.d(TAG, "wallpaperOffset 222");
mWallpaperManager.setWallpaperOffsets(mWindowToken,
mWallpaperOffset.getCurrX(), 0.5f);
}
setWallpaperOffsetSteps();
} catch (IllegalArgumentException e) {
Log.e(TAG, "Error updating wallpaper offset: " + e);
}
}
}
}
Launcher3如何实现壁纸居中?
[SOLUTION]
Launcher3的wallpaper显示是动态的,与Launcher预置桌面数目有关,让壁纸居中,只能确保第一次开机时壁纸居中,后面用户修改桌面数目后,就
无法达到了。如何要在默认桌面数目配置时居中,可以参考下面方法,以default一屏为例:
Launcher3的workspace.java文件替换下面的函数
private void updateOffset(boolean force) {
if (mWaitingForUpdate || force) {
mWaitingForUpdate = false;
LauncherLog.d(TAG, "updateOffset: mWallpaperOffset = " + mWallpaperOffset.getCurrX());
if (computeScrollOffset() && mWindowToken != null) {
try {
if (getChildCount() <= 1) {
LauncherLog.d(TAG, "wallpaperOffset 111");
mWallpaperManager.setWallpaperOffsets(mWindowToken,
/* mWallpaperOffset.getCurrX()*/0.5f, 0.5f);
}else{
LauncherLog.d(TAG, "wallpaperOffset 222");
mWallpaperManager.setWallpaperOffsets(mWindowToken,
mWallpaperOffset.getCurrX(), 0.5f);
}
setWallpaperOffsetSteps();
} catch (IllegalArgumentException e) {
Log.e(TAG, "Error updating wallpaper offset: " + e);
}
}
}
}