通过设置别名的方式修改app的icon

蔚落 2024-04-17 19:16 39阅读 0赞

> 主要用到的就是 activity-alias别名 (我的理解：跟pc的快捷方式类似)

**1、要在清单文件中给你的启动页设置别名**

<activity
                android:name=".SplashActivity"
                android:configChanges="orientation|keyboardHidden|screenSize"
                android:screenOrientation="portrait">
            </activity>
            
              
            <activity-alias
                android:name=".default"
                android:enabled="true"
                android:icon="@drawable/app_icon"
                android:label="@string/app_name"
                android:targetActivity=".SplashActivity">
                <intent-filter>
                    <action android:name="android.intent.action.MAIN" />
                    <category android:name="android.intent.category.LAUNCHER" />
                </intent-filter>
            </activity-alias> 
           
            
            <activity-alias
                android:name=".icon_tag_1111"
                android:enabled="false"
                android:icon="@drawable/app_icon_1111"
                android:label="@string/app_name"
                android:targetActivity=".SplashActivity">
                <intent-filter>
                    <action android:name="android.intent.action.MAIN" />
                    <category android:name="android.intent.category.LAUNCHER" />
                </intent-filter>
            </activity-alias> 
            
    		
            <activity-alias
                android:name=".icon_tag_1212"
                android:enabled="false"
                android:icon="@drawable/app_icon_1212"
                android:label="@string/app_name"
                android:targetActivity=".SplashActivity">
                <intent-filter>
                    <action android:name="android.intent.action.MAIN" />
                    <category android:name="android.intent.category.LAUNCHER" />
                </intent-filter>
            </activity-alias>

**2、通过PackageManager 来切换**

/**
         * 切换app的图标
         * @param context
         * @param type
         */
        public static void changeAppIcon(Context context, String type) {
            if(TextUtils.isEmpty(type)){
                return;
            }
    
            try {
                /**
                 * 别名
                 * 要跟manifest的中activity-alias保持一致
                 */
                String icon_default = "com.cyzone.news.default";
                String icon_1111 = "com.cyzone.news.icon_tag_1111";
                String icon_1212 = "com.cyzone.news.icon_tag_1212";
    
                PackageManager pm = context.getPackageManager();
                ComponentName default_cn = new ComponentName(context, icon_default);
                ComponentName double_11_cn = new ComponentName(context,icon_1111);
                ComponentName double_12_cn = new ComponentName(context, icon_1212);
    
                pm.setComponentEnabledSetting(default_cn, PackageManager.COMPONENT_ENABLED_STATE_DISABLED, PackageManager.DONT_KILL_APP);
                pm.setComponentEnabledSetting(double_11_cn,PackageManager.COMPONENT_ENABLED_STATE_DISABLED,PackageManager.DONT_KILL_APP);
                pm.setComponentEnabledSetting(double_12_cn, PackageManager.COMPONENT_ENABLED_STATE_DISABLED, PackageManager.DONT_KILL_APP);
    
                switch (type) {
                    case Constant.DEFAULT_ICON:
                        pm.setComponentEnabledSetting(default_cn, PackageManager.COMPONENT_ENABLED_STATE_ENABLED, PackageManager.DONT_KILL_APP);
                        break;
                    case Constant.DOUBLE_11_ICON:
                        pm.setComponentEnabledSetting(double_11_cn, PackageManager.COMPONENT_ENABLED_STATE_ENABLED, PackageManager.DONT_KILL_APP);
                        break;
                    case Constant.DOUBLE_12_ICON:
                        pm.setComponentEnabledSetting(double_12_cn, PackageManager.COMPONENT_ENABLED_STATE_ENABLED, PackageManager.DONT_KILL_APP);
                        break;
                    default:
                        pm.setComponentEnabledSetting(default_cn, PackageManager.COMPONENT_ENABLED_STATE_ENABLED, PackageManager.DONT_KILL_APP);
                        break;
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
        }

**最后，有一个点要注意一下：清单文件中要用一个默认的别名来代原来的页面入口，并且启用它 android:enabled="true"**