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在小米 三星 索尼 手机 ：图标上显示数字（未读消息数）：这部分代码，是从qq5.0.apk中找的。
小米已经测试通过了，
三星和索尼的，由于没有相应的手机，没有测试，有的，可能修改一下代码（判断是什么手机的代码），
测试一下，可以在回复一下测试结果，谢谢
1.原生系统（原生的launcher ）,只能修改快捷方式，增加和删除都会有toast提示
2.小米 三星 索尼 手机: 自定义的launcher: 发送显示未读消息数的action已经不同了。具体可以去看代码。。。
判断手机的代码：
我要评论
/***
* 在应用图标的快捷方式上加数字
* @param clazz 启动的activity
* @param isshownum 是否显示数字
* @param num 显示的数字：整型
* @param isstroke 是否加上边框
*
*/
public static void addnumshortcut(context context,class<?> clazz,boolean isshownum, string num, boolean isstroke)
{
log.e(tag, "manufacturer="+build.manufacturer);
if (build.manufacturer.equalsignorecase("xiaomi")){
//小米
xiaomishortcut(context, clazz, num);
}else if(build.manufacturer.equalsignorecase("samsung")){
//三星
samsungshortcut(context, num);
}else {//其他原生系统手机
installrawshortcut(context, mainactivity.class, isshownum, num, isstroke);
}
}
下面写好的工具类，上面的方法也在其中。
/***
* 应用的快捷方式工具类
*
* @author yang
*
*/
public class appshortcututil {
private static final string tag = "appshortcututil";
//默认圆角半径
private static final int default_corner_radius_dip = 8;
//默认边框宽度
private static final int default_stroke_width_dip = 2;
//边框的颜色
private static final int default_stroke_color = color.white;
//中间数字的颜色
private static final int default_num_color = color.parsecolor("#ccff0000");
/***
*
* 生成有数字的图片(没有边框)
* @param context
* @param icon 图片
* @param isshownum 是否要绘制数字
* @param num 数字字符串：整型数字 超过99，显示为"99+"
* @return
*/
public static bitmap generatornumicon(context context, bitmap icon, boolean isshownum, string num) {
displaymetrics dm = context.getresources().getdisplaymetrics();
//基准屏幕密度
float basedensity = 1.5f;//240dpi
float factor = dm.density/basedensity;
log.e(tag, "density:"+dm.density);
log.e(tag, "dpi:"+dm.densitydpi);
log.e(tag, "factor:"+factor);
// 初始化画布
int iconsize = (int) context.getresources().getdimension(android.r.dimen.app_icon_size);
bitmap numicon = bitmap.createbitmap(iconsize, iconsize, config.argb_8888);
canvas canvas = new canvas(numicon);
// 拷贝图片
paint iconpaint = new paint();
iconpaint.setdither(true);// 防抖动
iconpaint.setfilterbitmap(true);// 用来对bitmap进行滤波处理，这样，当你选择drawable时，会有抗锯齿的效果
rect src = new rect(0, 0, icon.getwidth(), icon.getheight());
rect dst = new rect(0, 0, iconsize, iconsize);
canvas.drawbitmap(icon, src, dst, iconpaint);
if(isshownum){
if(textutils.isempty(num)){
num = "0";
}
if(!textutils.isdigitsonly(num)){
//非数字
log.e(tag, "the num is not digit :"+ num);
num = "0";
}
int numint = integer.valueof(num);
if(numint > 99){//超过99
num = "99+";
// 启用抗锯齿和使用设备的文本字体大小
paint numpaint = new paint(paint.anti_alias_flag | paint.dev_kern_text_flag);
numpaint.setcolor(color.white);
numpaint.settextsize(20f*factor);
numpaint.settypeface(typeface.default_bold);
int textwidth=(int)numpaint.measuretext(num, 0, num.length());
log.e(tag, "text width:"+textwidth);
int circlecenter = (int) (15*factor);//中心坐标
int circleradius = (int) (13*factor);//圆的半径
//绘制左边的圆形
paint leftcirpaint = new paint(paint.anti_alias_flag);
leftcirpaint.setcolor(color.red);
canvas.drawcircle(iconsize-circleradius-textwidth+(10*factor), circlecenter, circleradius, leftcirpaint);
//绘制右边的圆形
paint rightcirpaint = new paint(paint.anti_alias_flag);
rightcirpaint.setcolor(color.red);
canvas.drawcircle(iconsize-circleradius, circlecenter, circleradius, rightcirpaint);
//绘制中间的距形
paint rectpaint = new paint(paint.anti_alias_flag);
rectpaint.setcolor(color.red);
rectf oval = new rectf(iconsize-circleradius-textwidth+(10*factor), 2*factor, iconsize-circleradius, circleradius*2+2*factor);
canvas.drawrect(oval, rectpaint);
//绘制数字
canvas.drawtext(num, (float)(iconsize-textwidth/2-(24*factor)), 23*factor, numpaint);
}else{//<=99
// 启用抗锯齿和使用设备的文本字体大小
paint numpaint = new paint(paint.anti_alias_flag | paint.dev_kern_text_flag);
numpaint.setcolor(color.white);
numpaint.settextsize(20f*factor);
numpaint.settypeface(typeface.default_bold);
int textwidth=(int)numpaint.measuretext(num, 0, num.length());
log.e(tag, "text width:"+textwidth);
//绘制外面的圆形
//paint outcirpaint = new paint(paint.anti_alias_flag);
//outcirpaint.setcolor(color.white);
//canvas.drawcircle(iconsize - 15, 15, 15, outcirpaint);
//绘制内部的圆形
paint incirpaint = new paint(paint.anti_alias_flag);
incirpaint.setcolor(color.red);
canvas.drawcircle(iconsize-15*factor, 15*factor, 15*factor, incirpaint);
//绘制数字
canvas.drawtext(num, (float)(iconsize-textwidth/2-15*factor), 22*factor, numpaint);
}
}
return numicon;
}
/***
*
* 生成有数字的图片(没有边框)
* @param context
* @param icon 图片
* @param isshownum 是否要绘制数字
* @param num 数字字符串：整型数字 超过99，显示为"99+"
* @return
*/
public static bitmap generatornumicon2(context context, bitmap icon, boolean isshownum, string num) {
displaymetrics dm = context.getresources().getdisplaymetrics();
//基准屏幕密度
float basedensity = 1.5f;//240dpi
float factor = dm.density/basedensity;
log.e(tag, "density:"+dm.density);
log.e(tag, "dpi:"+dm.densitydpi);
log.e(tag, "factor:"+factor);
// 初始化画布
int iconsize = (int) context.getresources().getdimension(android.r.dimen.app_icon_size);
bitmap numicon = bitmap.createbitmap(iconsize, iconsize, config.argb_8888);
canvas canvas = new canvas(numicon);
// 拷贝图片
paint iconpaint = new paint();
iconpaint.setdither(true);// 防抖动
iconpaint.setfilterbitmap(true);// 用来对bitmap进行滤波处理，这样，当你选择drawable时，会有抗锯齿的效果
rect src = new rect(0, 0, icon.getwidth(), icon.getheight());
rect dst = new rect(0, 0, iconsize, iconsize);
canvas.drawbitmap(icon, src, dst, iconpaint);
if(isshownum){
if(textutils.isempty(num)){
num = "0";
}
if(!textutils.isdigitsonly(num)){
//非数字
log.e(tag, "the num is not digit :"+ num);
num = "0";
}
int numint = integer.valueof(num);
if(numint > 99){//超过99
num = "99+";
}
//启用抗锯齿和使用设备的文本字体大小
//测量文本占用的宽度
paint numpaint = new paint(paint.anti_alias_flag | paint.dev_kern_text_flag);
numpaint.setcolor(color.white);
numpaint.settextsize(20f*factor);
numpaint.settypeface(typeface.default_bold);
int textwidth=(int)numpaint.measuretext(num, 0, num.length());
log.e(tag, "text width:"+textwidth);
/**----------------------------------*
* todo 绘制圆角矩形背景 start
*------------------------------------*/
//圆角矩形背景的宽度
int backgroundheight = (int) (2*15*factor);
int backgroundwidth = textwidth>backgroundheight ? (int)(textwidth+10*factor) : backgroundheight;
canvas.save();//保存状态
shapedrawable drawable = getdefaultbackground(context);
drawable.setintrinsicheight(backgroundheight);
drawable.setintrinsicwidth(backgroundwidth);
drawable.setbounds(0, 0, backgroundwidth, backgroundheight);
canvas.translate(iconsize-backgroundwidth, 0);
drawable.draw(canvas);
canvas.restore();//重置为之前保存的状态
/**----------------------------------*
* todo 绘制圆角矩形背景 end
*------------------------------------*/
//绘制数字
canvas.drawtext(num, (float)(iconsize-(backgroundwidth + textwidth)/2), 22*factor, numpaint);
}
return numicon;
}
/***
*
* 生成有数字的图片(有边框)
* @param context
* @param icon 图片
* @param isshownum 是否要绘制数字
* @param num 数字字符串：整型数字 超过99，显示为"99+"
* @return
*/
public static bitmap generatornumicon3(context context, bitmap icon, boolean isshownum, string num) {
displaymetrics dm = context.getresources().getdisplaymetrics();
//基准屏幕密度
float basedensity = 1.5f;//240dpi
float factor = dm.density/basedensity;
log.e(tag, "density:"+dm.density);
log.e(tag, "dpi:"+dm.densitydpi);
log.e(tag, "factor:"+factor);
// 初始化画布
int iconsize = (int) context.getresources().getdimension(android.r.dimen.app_icon_size);
bitmap numicon = bitmap.createbitmap(iconsize, iconsize, config.argb_8888);
canvas canvas = new canvas(numicon);
// 拷贝图片
paint iconpaint = new paint();
iconpaint.setdither(true);// 防抖动
iconpaint.setfilterbitmap(true);// 用来对bitmap进行滤波处理，这样，当你选择drawable时，会有抗锯齿的效果
rect src = new rect(0, 0, icon.getwidth(), icon.getheight());
rect dst = new rect(0, 0, iconsize, iconsize);
canvas.drawbitmap(icon, src, dst, iconpaint);
if(isshownum){
if(textutils.isempty(num)){
num = "0";
}
if(!textutils.isdigitsonly(num)){
//非数字
log.e(tag, "the num is not digit :"+ num);
num = "0";
}
int numint = integer.valueof(num);
if(numint > 99){//超过99
num = "99+";
}
//启用抗锯齿和使用设备的文本字体大小
//测量文本占用的宽度
paint numpaint = new paint(paint.anti_alias_flag | paint.dev_kern_text_flag);
numpaint.setcolor(color.white);
numpaint.settextsize(20f*factor);
numpaint.settypeface(typeface.default_bold);
int textwidth=(int)numpaint.measuretext(num, 0, num.length());
log.e(tag, "text width:"+textwidth);
/**----------------------------------*
* todo 绘制圆角矩形背景：先画边框，再画内部的圆角矩形 start
*------------------------------------*/
//圆角矩形背景的宽度
int backgroundheight = (int) (2*15*factor);
int backgroundwidth = textwidth>backgroundheight ? (int)(textwidth+10*factor) : backgroundheight;
//边框的宽度
int strokethickness = (int) (2*factor);
canvas.save();//保存状态
int strokeheight = backgroundheight + strokethickness*2;
int strokewidth = textwidth>strokeheight ? (int)(textwidth+ 10*factor + 2*strokethickness) : strokeheight;
shapedrawable outstroke = getdefaultstrokedrawable(context);
outstroke.setintrinsicheight(strokeheight);
outstroke.setintrinsicwidth(strokewidth);
outstroke.setbounds(0, 0, strokewidth, strokeheight);
canvas.translate(iconsize-strokewidth-strokethickness, strokethickness);
outstroke.draw(canvas);
canvas.restore();//重置为之前保存的状态
canvas.save();//保存状态
shapedrawable drawable = getdefaultbackground(context);
drawable.setintrinsicheight((int) (backgroundheight+2*factor));
drawable.setintrinsicwidth((int) (backgroundwidth+2*factor));
drawable.setbounds(0, 0, backgroundwidth, backgroundheight);
canvas.translate(iconsize-backgroundwidth-2*strokethickness, 2*strokethickness);
drawable.draw(canvas);
canvas.restore();//重置为之前保存的状态
/**----------------------------------*
* todo 绘制圆角矩形背景 end
*------------------------------------*/
//绘制数字
canvas.drawtext(num, (float)(iconsize-(backgroundwidth + textwidth+4*strokethickness)/2), (22)*factor+2*strokethickness, numpaint);
}
return numicon;
}
/***
*
* 生成有数字的图片(有边框的)
* @param context
* @param icon 图片
* @param isshownum 是否要绘制数字
* @param num 数字字符串：整型数字 超过99，显示为"99+"
* @return
*/
public static bitmap generatornumicon4(context context, bitmap icon, boolean isshownum, string num) {
displaymetrics dm = context.getresources().getdisplaymetrics();
//基准屏幕密度
float basedensity = 1.5f;//240dpi
float factor = dm.density/basedensity;
log.e(tag, "density:"+dm.density);
log.e(tag, "dpi:"+dm.densitydpi);
log.e(tag, "factor:"+factor);
// 初始化画布
int iconsize = (int) context.getresources().getdimension(android.r.dimen.app_icon_size);
bitmap numicon = bitmap.createbitmap(iconsize, iconsize, config.argb_8888);
canvas canvas = new canvas(numicon);
// 拷贝图片
paint iconpaint = new paint();
iconpaint.setdither(true);// 防抖处理
iconpaint.setfilterbitmap(true);// 用来对bitmap进行滤波处理，这样，当你选择drawable时，会有抗锯齿的效果
rect src = new rect(0, 0, icon.getwidth(), icon.getheight());
rect dst = new rect(0, 0, iconsize, iconsize);
canvas.drawbitmap(icon, src, dst, iconpaint);
if(isshownum){
if(textutils.isempty(num)){
num = "0";
}
if(!textutils.isdigitsonly(num)){
//非数字
log.e(tag, "the num is not digit :"+ num);
num = "0";
}
int numint = integer.valueof(num);
if(numint > 99){//超过99
num = "99+";
}
//启用抗锯齿和使用设备的文本字体
//测量文本占用的宽度
paint numpaint = new paint(paint.anti_alias_flag | paint.dev_kern_text_flag);
numpaint.setcolor(color.white);
numpaint.settextsize(25f*factor);
numpaint.settypeface(typeface.default_bold);
int textwidth=(int)numpaint.measuretext(num, 0, num.length());
log.e(tag, "text width:"+textwidth);
/**----------------------------------*
* todo 绘制圆角矩形背景 start
*------------------------------------*/
//边框的宽度
int strokethickness = (int) (default_stroke_width_dip*factor);
//圆角矩形背景的宽度
float radiuspx = 15*factor;
int backgroundheight = (int) (2*(radiuspx+strokethickness));//2*(半径+边框宽度)
int backgroundwidth = textwidth>backgroundheight ? (int)(textwidth + 10*factor + 2*strokethickness) : backgroundheight;
canvas.save();//保存状态
shapedrawable drawable = getdefaultbackground2(context);
drawable.setintrinsicheight(backgroundheight);
drawable.setintrinsicwidth(backgroundwidth);
drawable.setbounds(0, 0, backgroundwidth, backgroundheight);
canvas.translate(iconsize-backgroundwidth-strokethickness, 2*strokethickness);
drawable.draw(canvas);
canvas.restore();//重置为之前保存的状态
/**----------------------------------*
* todo 绘制圆角矩形背景 end
*------------------------------------*/
//绘制数字
canvas.drawtext(num, (float)(iconsize-(backgroundwidth + textwidth+2*strokethickness)/2), (float) (25*factor+2.5*strokethickness), numpaint);
}
return numicon;
}
/***
* 创建原生系统的快捷方式
* @param context
* @param clazz 启动的activity
* @param isshownum 是否显示数字
* @param num 显示的数字：整型
* @param isstroke 是否加上边框
*/
public static void installrawshortcut(context context, class<?> clazz, boolean isshownum, string num, boolean isstroke) {
log.e(tag, "installshortcut....");
intent shortcutintent = new intent( "com.android.launcher.action.install_shortcut");
//名称
shortcutintent.putextra(intent.extra_shortcut_name, context.getstring(r.string.app_name));
// 是否可以有多个快捷方式的副本，参数如果是true就可以生成多个快捷方式，如果是false就不会重复添加
shortcutintent.putextra("duplicate", false);
//点击快捷方式：打开activity
intent mainintent = new intent(intent.action_main);
mainintent.addcategory(intent.category_launcher);
mainintent.setclass(context, clazz);
shortcutintent.putextra(intent.extra_shortcut_intent, mainintent);
//快捷方式的图标
if(isstroke){
shortcutintent.putextra(intent.extra_shortcut_icon,
generatornumicon4(
context,
((bitmapdrawable)context.getresources().getdrawable(r.drawable.ic_launcher)).getbitmap(),
isshownum,
num));
}else{
shortcutintent.putextra(intent.extra_shortcut_icon,
generatornumicon2(
context,
((bitmapdrawable)context.getresources().getdrawable(r.drawable.ic_launcher)).getbitmap(),
isshownum,
num));
}
context.sendbroadcast(shortcutintent);
}
/***
* 是否已经创建了快捷方式
* @param context
* @return
*/
public static boolean isaddshortcut(context context) {
log.e(tag, "isaddshortcut....");
boolean isinstallshortcut = false;
final contentresolver cr = context.getcontentresolver();
//todo 注释的代码，在有的手机：修改了rom的系统，不能支持
/*int versionlevel = android.os.build.version.sdk_int;
string authority = "com.android.launcher2.settings";
//2.2以上的系统的文件文件名字是不一样的
if (versionlevel >= 8) {
authority = "com.android.launcher2.settings";
} else {
authority = "com.android.launcher.settings";
}*/
string authority = getauthorityfrompermission(context, "com.android.launcher.permission.read_settings");
log.e(tag, "authority : " +authority);
final uri content_uri = uri.parse("content://" + authority
+ "/favorites?notify=true");
cursor c = cr.query(content_uri,
new string[] { "title" }, "title=?",
new string[] { context.getstring(r.string.app_name) }, null);
if (c != null && c.getcount() > 0) {
isinstallshortcut = true;
}
if(c != null){
c.close();
}
log.e(tag, "isaddshortcut....isinstallshortcut="+isinstallshortcut);
return isinstallshortcut;
}
/**
* 删除快捷方式
* @param context
* @param clazz
*/
public static void deleteshortcut(context context, class<?> clazz){
log.e(tag, "delshortcut....");
if (build.manufacturer.equalsignorecase("xiaomi")){
//小米
//当为""时，不显示数字，相当于隐藏了)
xiaomishortcut(context, clazz, "");
}else if(build.manufacturer.equalsignorecase("samsung")){
//三星
samsungshortcut(context, "0");
}else {//其他原生系统手机
//删除显示数字的快捷方式
deleterawshortcut(context, clazz);
//安装不显示数字的快捷方式
//installrawshortcut(context, clazz, false, "0");
}
}
/***
* 删除原生系统的快捷方式
* @param context
* @param clazz 启动的activity
*/
public static void deleterawshortcut(context context, class<?> clazz) {
intent intent = new intent("com.android.launcher.action.uninstall_shortcut");
//快捷方式的名称
intent.putextra(intent.extra_shortcut_name, context.getstring(r.string.app_name));
intent intent2 = new intent();
intent2.setclass(context, clazz);
intent2.setaction(intent.action_main);
intent2.addcategory(intent.category_launcher);
intent.putextra(intent.extra_shortcut_intent,intent2);
context.sendbroadcast(intent);
}
/***
* 取得权限相应的认证uri
* @param context
* @param permission
* @return
*/
public static string getauthorityfrompermission(context context, string permission) {
if (textutils.isempty(permission)) {
return null;
}
list<packageinfo> packinfos = context.getpackagemanager().getinstalledpackages(packagemanager.get_providers);
if (packinfos == null) {
return null;
}
for (packageinfo info : packinfos) {
providerinfo[] providers = info.providers;
if (providers != null) {
for (providerinfo provider : providers) {
if (permission.equals(provider.readpermission)
|| permission.equals(provider.writepermission)) {
return provider.authority;
}
}
}
}
return null;
}
/***
* 在小米应用图标的快捷方式上加数字<br>
*
*
* @param context
* @param num 显示的数字：大于99，为"99"，当为""时，不显示数字，相当于隐藏了)<br><br>
*
* 注意点：
* context.getpackagename()+"/."+clazz.getsimplename() （这个是启动activity的路径）中的"/."不能缺少
*
*/
public static void xiaomishortcut(context context,class<?> clazz, string num)
{
log.e(tag, "xiaomishortcut....");
intent localintent = new intent("android.intent.action.application_message_update");
localintent.putextra("android.intent.extra.update_application_component_name", context.getpackagename()+"/."+clazz.getsimplename());
if(textutils.isempty(num)){
num = "";
}else{
int numint = integer.valueof(num);
if (numint > 0){
if (numint > 99){
num = "99";
}
}else{
num = "0";
}
}
localintent.putextra("android.intent.extra.update_application_message_text", num);
context.sendbroadcast(localintent);
}
/***
* 索尼手机：应用图标的快捷方式上加数字
* @param context
* @param num
*/
public static void sonyshortcut(context context, string num)
{
string activityname = getlaunchactivityname(context);
if (activityname == null){
return;
}
intent localintent = new intent();
int numint = integer.valueof(num);
boolean isshow = true;
if (numint < 1){
num = "";
isshow = false;
}else if (numint > 99){
num = "99";
}
localintent.putextra("com.sonyericsson.home.intent.extra.badge.show_message", isshow);
localintent.setaction("com.sonyericsson.home.action.update_badge");
localintent.putextra("com.sonyericsson.home.intent.extra.badge.activity_name", activityname);
localintent.putextra("com.sonyericsson.home.intent.extra.badge.message", num);
localintent.putextra("com.sonyericsson.home.intent.extra.badge.package_name", context.getpackagename());
context.sendbroadcast(localintent);
}
/***
* 三星手机：应用图标的快捷方式上加数字
* @param context
* @param num
*/
public static void samsungshortcut(context context, string num)
{
int numint = integer.valueof(num);
if (numint < 1)
{
num = "0";
}else if (numint > 99){
num = "99";
}
string activityname = getlaunchactivityname(context);
intent localintent = new intent("android.intent.action.badge_count_update");
localintent.putextra("badge_count", num);
localintent.putextra("badge_count_package_name", context.getpackagename());
localintent.putextra("badge_count_class_name", activityname);
context.sendbroadcast(localintent);
}
/***
* 在应用图标的快捷方式上加数字
* @param clazz 启动的activity
* @param isshownum 是否显示数字
* @param num 显示的数字：整型
* @param isstroke 是否加上边框
*
*/
public static void addnumshortcut(context context,class<?> clazz,boolean isshownum, string num, boolean isstroke)
{
log.e(tag, "manufacturer="+build.manufacturer);
if (build.manufacturer.equalsignorecase("xiaomi")){
//小米
xiaomishortcut(context, clazz, num);
}else if(build.manufacturer.equalsignorecase("samsung")){
//三星
samsungshortcut(context, num);
}else {//其他原生系统手机
installrawshortcut(context, mainactivity.class, isshownum, num, isstroke);
}
}
/***
* 取得当前应用的启动activity的名称：
* mainfest.xml中配置的 android:name:"
* @param context
* @return
*/
public static string getlaunchactivityname(context context)
{
packagemanager localpackagemanager = context.getpackagemanager();
intent localintent = new intent("android.intent.action.main");
localintent.addcategory("android.intent.category.launcher");
try
{
iterator<resolveinfo> localiterator = localpackagemanager.queryintentactivities(localintent, 0).iterator();
while (localiterator.hasnext())
{
resolveinfo localresolveinfo = localiterator.next();
if (!localresolveinfo.activityinfo.applicationinfo.packagename.equalsignorecase(context.getpackagename()))
continue;
string str = localresolveinfo.activityinfo.name;
return str;
}
}
catch (exception localexception)
{
return null;
}
return null;
}
/***
* 得到一个默认的背景：圆角矩形<br><br>
* 使用代码来生成一个背景：相当于用<shape>的xml的背景
*
* @return
*/
private static shapedrawable getdefaultbackground(context context) {
//这个是为了应对不同分辨率的手机，屏幕兼容性
int r = diptopixels(context,default_corner_radius_dip);
float[] outerr = new float[] {r, r, r, r, r, r, r, r};
//圆角矩形
roundrectshape rr = new roundrectshape(outerr, null, null);
shapedrawable drawable = new shapedrawable(rr);
drawable.getpaint().setcolor(default_num_color);//设置颜色
return drawable;
}
/***
* 得到一个默认的背景：圆角矩形<br><br>
* 使用代码来生成一个背景：相当于用<shape>的xml的背景
*
* @return
*/
private static shapedrawable getdefaultbackground2(context context) {
//这个是为了应对不同分辨率的手机，屏幕兼容性
int r = diptopixels(context,default_corner_radius_dip);
float[] outerr = new float[] {r, r, r, r, r, r, r, r};
int distance = diptopixels(context,default_stroke_width_dip);
//圆角矩形
roundrectshape rr = new roundrectshape(outerr, null, null);
customborderdrawable drawable = new customborderdrawable(context,rr);
drawable.getfillpaint().setcolor(default_num_color);//设置填充颜色
drawable.getstrokepaint().setcolor(default_stroke_color);//设置边框颜色
drawable.getstrokepaint().setstrokewidth(distance);//设置边框宽度
return drawable;
}
/***
* 得到一个默认的背景：圆角矩形<br><br>
* 使用代码来生成一个背景：相当于用<shape>的xml的背景
*
* @return
*/
private static shapedrawable getdefaultstrokedrawable(context context) {
//这个是为了应对不同分辨率的手机，屏幕兼容性
int r = diptopixels(context, default_corner_radius_dip);
int distance = diptopixels(context, default_stroke_width_dip);
float[] outerr = new float[] {r, r, r, r, r, r, r, r};
//圆角矩形
roundrectshape rr = new roundrectshape(outerr, null, null);
shapedrawable drawable = new shapedrawable(rr);
drawable.getpaint().setstrokewidth(distance);
drawable.getpaint().setstyle(paint.style.fill);
drawable.getpaint().setcolor(default_stroke_color);//设置颜色
return drawable;
}
/***
* dp to px
* @param dip
* @return
*/
public static int diptopixels(context context, int dip) {
resources r = context.getresources();
float px = typedvalue.applydimension(typedvalue.complex_unit_dip, dip, r.getdisplaymetrics());
return (int) px;
}
}
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