实现隐藏桌面图标（PackageManager.setComponentEnabledSetting()方法）

实例：如何隐藏桌面图标

方法setComponenetEnabledSetting()方法介绍

——————————隐藏桌面图标——————————

public void hideIcon(Context context, Class<?> cls) { PackageManager packageManager = context.getPackageManager();// 获取PackageManager ComponentName componentName = new ComponentName(this, cls);// 获取类名对于的组件名称 int componentState = packageManager .getComponentEnabledSetting(componentName);// 返回组件的启动状态 if (componentState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT || componentState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { packageManager.setComponentEnabledSetting(componentName, PackageManager.COMPONENT_ENABLED_STATE_DISABLED, PackageManager.DONT_KILL_APP); } else { packageManager.setComponentEnabledSetting(componentName, PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, PackageManager.DONT_KILL_APP); } }

—————————————–setComponentEnabledSetting()———————————–

/** * Set the enabled setting for a package component (activity, receiver, service, provider). * This setting will override any enabled state which may have been set by the component in its * manifest. * * @param componentName The component to enable * @param newState The new enabled state for the component. The legal values for this state * are: * {@link #**COMPONENT_ENABLED_STATE_ENABLED**},//可见的 * {@link #**COMPONENT_ENABLED_STATE_DISABLED**}//不可见 * and * {@link #**COMPONENT_ENABLED_STATE_DEFAULT**}//默认的，可见 * The last one removes the setting, thereby restoring the component's state to * whatever was set in it's manifest (or enabled, by default). * @param flags Optional behavior flags: {@link #DONT_KILL_APP} or 0. */ public abstract void setComponentEnabledSetting(ComponentName componentName, int newState, int flags);