快捷键的生成、删除、判断 那些方法 原生的系统一般木有问题 第三方rom 就会存在 适配问题
一、权限:
1、manifest 文件中 添加权限
<uses-permission android:name="com.android.launcher.permission.INSTALL_SHORTCUT"/>
<uses-permission android:name="com.android.launcher.permission.UNINSTALL_SHORTCUT"/>
</pre>下面就是关于这个权限 <p></p><p></p><pre name="code" class="html">com.android.launcher.permission.READ_SETTINGS
不同版本 不同的机型 添加的不同
Build.VERSION.SDK_INT < 8 :
com.android.launcher.permission.READ_SETTINGS
Build.VERSION.SDK_INT < 19 :
com.android.launcher2.permission.READ_SETTINGS
Build.VERSION.SDK_INT >=19 :com.android.launcher3.permission.READ_SETTINGS
以华为为例 就需要 添加
uses-permission android:name="com.huawei.android.launcher.permission.READ_SETTINGS"/>
<uses-permission android:name="com.huawei.android.launcher.permission.WRITE_SETTINGS"/>
否则在下面的判断的方法里会报错出现
java.lang.SecurityException: Permission Denial:
opening provider com.huawei.android.launcher.LauncherProvider from ProcessRecord (pid=17220, uid=10150)
requires com.huawei.android.launcher.permission.READ_SETTINGS or com.huawei.android.launcher.permission.WRITE_SETTINGS
这里列出大部分的平牌机对应的相应权限
<uses-permission android:name="com.android.launcher.permission.INSTALL_SHORTCUT"/>
<uses-permission android:name="com.android.launcher.permission.UNINSTALL_SHORTCUT"/>
<uses-permission android:name="com.android.launcher2.permission.READ_SETTINGS"/>
<uses-permission android:name="com.android.launcher2.permission.WRITE_SETTINGS"/>
<uses-permission android:name="com.android.launcher3.permission.READ_SETTINGS"/>
<uses-permission android:name="com.android.launcher3.permission.WRITE_SETTINGS"/>
<uses-permission android:name="org.adw.launcher.permission.READ_SETTINGS"/>
<uses-permission android:name="org.adw.launcher.permission.WRITE_SETTINGS"/>
<uses-permission android:name="com.htc.launcher.permission.READ_SETTINGS"/>
<uses-permission android:name="com.htc.launcher.permission.WRITE_SETTINGS"/>
<uses-permission android:name="com.qihoo360.launcher.permission.READ_SETTINGS"/>
<uses-permission android:name="com.qihoo360.launcher.permission.WRITE_SETTINGS"/>
<uses-permission android:name="com.lge.launcher.permission.READ_SETTINGS"/>
<uses-permission android:name="com.lge.launcher.permission.WRITE_SETTINGS"/>
<uses-permission android:name="net.qihoo.launcher.permission.READ_SETTINGS"/>
<uses-permission android:name="net.qihoo.launcher.permission.WRITE_SETTINGS"/>
<uses-permission android:name="org.adwfreak.launcher.permission.READ_SETTINGS"/>
<uses-permission android:name="org.adwfreak.launcher.permission.WRITE_SETTINGS"/>
<uses-permission android:name="org.adw.launcher_donut.permission.READ_SETTINGS"/>
<uses-permission android:name="org.adw.launcher_donut.permission.WRITE_SETTINGS"/>
<uses-permission android:name="com.huawei.launcher3.permission.READ_SETTINGS"/>
<uses-permission android:name="com.huawei.launcher3.permission.WRITE_SETTINGS"/>
<uses-permission android:name="com.fede.launcher.permission.READ_SETTINGS"/>
<uses-permission android:name="com.fede.launcher.permission.WRITE_SETTINGS"/>
<uses-permission android:name="com.sec.android.app.twlauncher.settings.READ_SETTINGS"/>
<uses-permission android:name="com.sec.android.app.twlauncher.settings.WRITE_SETTINGS"/>
<uses-permission android:name="com.anddoes.launcher.permission.READ_SETTINGS"/>
<uses-permission android:name="com.anddoes.launcher.permission.WRITE_SETTINGS"/>
<uses-permission android:name="com.tencent.qqlauncher.permission.READ_SETTINGS"/>
<uses-permission android:name="com.tencent.qqlauncher.permission.WRITE_SETTINGS"/>
<uses-permission android:name="com.huawei.launcher2.permission.READ_SETTINGS"/>
<uses-permission android:name="com.huawei.launcher2.permission.WRITE_SETTINGS"/>
<uses-permission android:name="com.android.mylauncher.permission.READ_SETTINGS"/>
<uses-permission android:name="com.android.mylauncher.permission.WRITE_SETTINGS"/>
<uses-permission android:name="com.ebproductions.android.launcher.permission.READ_SETTINGS"/>
<uses-permission android:name="com.ebproductions.android.launcher.permission.WRITE_SETTINGS"/>
<uses-permission android:name="com.oppo.launcher.permission.READ_SETTINGS"/>
<uses-permission android:name="com.oppo.launcher.permission.WRITE_SETTINGS"/>
<uses-permission android:name="com.lenovo.launcher.permission.READ_SETTINGS"/>
<uses-permission android:name="com.lenovo.launcher.permission.WRITE_SETTINGS"/>
<uses-permission android:name="com.huawei.android.launcher.permission.READ_SETTINGS"/>
<uses-permission android:name="com.huawei.android.launcher.permission.WRITE_SETTINGS"/>
<uses-permission android:name="telecom.mdesk.permission.READ_SETTINGS"/>
<uses-permission android:name="telecom.mdesk.permission.WRITE_SETTINGS"/>
<uses-permission android:name="dianxin.permission.ACCESS_LAUNCHER_DATA"/>
二、provider.authority为null的问题
public boolean hasShortcut(Context context, String shortCutName)
{
boolean has = false;
final ContentResolver cr = context.getContentResolver();
String AUTHORITY = getAuthorityFromPermission(context,
"com.android.launcher.permission.READ_SETTINGS");
final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY
+ "/favorites?notify=true");
// 确认content Provider中是否有快捷键信息
Cursor c = cr.query(CONTENT_URI, new String[]
{ "title", "iconResource" }, "title=?", new String[]
{ shortCutName.trim() }, null);
if (c != null && c.getCount() > 0)
{
has = true;
if (c!=null&&!c.isClosed())
{
c.close();
}
}
return has;
}
private String getAuthorityFromPermission(Context context,
String permission)
{
if (permission == null)
return null;
List<PackageInfo> packs = context.getPackageManager()
.getInstalledPackages(PackageManager.GET_PROVIDERS);
if (packs != null)
{
for (PackageInfo pack : packs)
{
ProviderInfo[] providers = pack.providers;
if (providers != null)
{
for (ProviderInfo provider : providers)
{
if (permission.equals(provider.readPermission))
return provider.authority;
if (permission.equals(provider.writePermission))
return provider.authority;
}
}
}
}
return null;
}
通常写法 应该是这样 或者再加入这些代码:
if (TextUtils.isEmpty(AUTHORITY))
{
int sdkInt = Build.VERSION.SDK_INT;
if (sdkInt < 8)
{ // Android 2.1.x(API 7)以及以下的
AUTHORITY = "com.android.launcher.settings";
} else if (sdkInt < 19)
{// Android 4.4以下
AUTHORITY = "com.android.launcher2.settings";
} else
{// 4.4以及以上
AUTHORITY = "com.android.launcher3.settings";
}
}
但对第三方rom来说 好像还是行不通 权限值虽然取到了 这样得到的uri 对应的cursor 依然为空 看来权限并没有获取 正确 。通过对provideInfo的遍历 我发现后缀字符串为"launcher.permission.READ_SETTINGS" 日志过滤出的权限只有一个 并且正是我想要的。以下是我对获取权限方法的些许改动
private String getAuthorityFromPermission(Context context)
{
List<PackageInfo> packs = context.getPackageManager()
.getInstalledPackages(PackageManager.GET_PROVIDERS);
if (packs != null)
{
for (PackageInfo pack : packs)
{
ProviderInfo[] providers = pack.providers;
if (providers != null)
{
for (ProviderInfo provider : providers)
{
//"launcher.permission.READ_SETTINGS" 规律总结 不见得适配所有 需要测试
if (!TextUtils.isEmpty(provider.readPermission)&&provider.readPermission.contains("launcher.permission.READ_SETTINGS"))
{
return provider.authority;
}
}
}
}
}
return null;
}
三 、创建快捷方式 点击进入相应的程序或界面
public void addShortCut(Context mContext)
{
Intent shortcut = new Intent(
"com.android.launcher.action.INSTALL_SHORTCUT");
shortcut.putExtra("duplicate", false);
shortcut.putExtra(Intent.EXTRA_SHORTCUT_NAME, mContext.getResources()
.getString(R.string.str_shortCutName));
Parcelable shortcutIcon = Intent.ShortcutIconResource.fromContext(
mContext, R.drawable.icon_shortcut);
shortcut.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, shortcutIcon);
Intent intent = new Intent();
// ComponentName comp = new ComponentName(mContext.getPackageName(),
// mContext.getPackageName() + ".ui.xx."
// + IntentTargetClass.class.getSimpleName());
intent.setAction(Intent.ACTION_MAIN);
intent.addCategory(Intent.CATEGORY_LAUNCHER);
intent.setClass(mContext, IntentTargetClass.class);
// intent.setComponent(comp);
shortcut.putExtra(Intent.EXTRA_SHORTCUT_INTENT, intent);
mContext.sendBroadcast(shortcut);
}
通常都没有问题 但个别版本 个别第三方又会出现 虽然出现了创建xxx 快捷方式的提醒 但是 手机桌面并没有快捷图标的出现
这个时候 我把不重复创建的设置 置为true 是否已有创建 需要根据 快捷方式是否已经存在进行判断
shortcut.putExtra("duplicate", true);
另外 有的快捷方式虽已出现 但是点击快捷方式 并没有进入 我们想要进入的界面 activity
在该activity的声明里 加入 intent_filter
<intent-filter >
<action android:name="android.intent.action.CREATE_SHORTCUT"/>
</intent-filter>
大部分情况下都是ok了 但时仍有个别 快捷方式 图标显示正确 但是 名称并没有显示出我们赋予的 shortcutName 而是显示 app_name 例如 LG部分机型
这个问题没有解决 希望有大神 能帮助解答
本文 属于 只知其一不知其二 的尝试解决方式 很希望 那些看Launcher 模块源码的大神们 能分享指点一二
如有错误 欢迎指正