Build获取系统SDK版本
Android中部分API的使用,需要在特定的SDK版本之后才能使用,因此在兼容老版本SDK的时候,经常需要判断API的版本。各种Android版本的对应关系参考《Android各版本对应的SDK版本》
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
//SDK 28及以上
} else {
//SDK 28以下
}
判断手机ROM
有时候需要判断手机系统的ROM,检测ROM是MIUI、EMUI还是Flyme,可以使用getprop命令,去系统build.prop文件(关于build.prop参考《Android build.prop系统属性信息》)查找是否有对应属性来判断是什么ROM。参考简书夏末m小伙伴写《Android判断手机ROM》
public class Rom {
private static final String TAG = "Rom";
public static final String ROM_MIUI = "MIUI";
public static final String ROM_EMUI = "EMUI";
public static final String ROM_FLYME = "FLYME";
public static final String ROM_OPPO = "OPPO";
public static final String ROM_SMARTISAN = "SMARTISAN";
public static final String ROM_VIVO = "VIVO";
public static final String ROM_QIKU = "QIKU";
private static final String KEY_VERSION_MIUI = "ro.miui.ui.version.name";
private static final String KEY_VERSION_EMUI = "ro.build.version.emui";
private static final String KEY_VERSION_OPPO = "ro.build.version.opporom";
private static final String KEY_VERSION_SMARTISAN = "ro.smartisan.version";
private static final String KEY_VERSION_VIVO = "ro.vivo.os.version";
private static String sName;
private static String sVersion;
public static boolean isEmui() {
return check(ROM_EMUI);
}
public static boolean isMiui() {
return check(ROM_MIUI);
}
public static boolean isVivo() {
return check(ROM_VIVO);
}
public static boolean isOppo() {
return check(ROM_OPPO);
}
public static boolean isFlyme() {
return check(ROM_FLYME);
}
public static boolean is360() {
return check(ROM_QIKU) || check("360");
}
public static boolean isSmartisan() {
return check(ROM_SMARTISAN);
}
public static String getName() {
if (sName == null) {
check("");
}
return sName;
}
public static String getVersion() {
if (sVersion == null) {
check("");
}
return sVersion;
}
public static boolean check(String rom) {
if (sName != null) {
return sName.equals(rom);
}
if (!TextUtils.isEmpty(sVersion = getProp(KEY_VERSION_MIUI))) {
sName = ROM_MIUI;
} else if (!TextUtils.isEmpty(sVersion = getProp(KEY_VERSION_EMUI))) {
sName = ROM_EMUI;
} else if (!TextUtils.isEmpty(sVersion = getProp(KEY_VERSION_OPPO))) {
sName = ROM_OPPO;
} else if (!TextUtils.isEmpty(sVersion = getProp(KEY_VERSION_VIVO))) {
sName = ROM_VIVO;
} else if (!TextUtils.isEmpty(sVersion = getProp(KEY_VERSION_SMARTISAN))) {
sName = ROM_SMARTISAN;
} else {
sVersion = Build.DISPLAY;
if (sVersion.toUpperCase().contains(ROM_FLYME)) {
sName = ROM_FLYME;
} else {
sVersion = Build.UNKNOWN;
sName = Build.MANUFACTURER.toUpperCase();
}
}
return sName.equals(rom);
}
public static String getProp(String name) {
String line = null;
BufferedReader input = null;
try {
Process p = Runtime.getRuntime().exec("getprop " + name);
input = new BufferedReader(new InputStreamReader(p.getInputStream()), 1024);
line = input.readLine();
input.close();
} catch (IOException ex) {
Log.e(TAG, "Unable to read prop " + name, ex);
return null;
} finally {
if (input != null) {
try {
input.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
return line;
}}
getprop查看IQOO手机中的build.prop中的信息,一些字段如下:
...
[ro.vivo.rom]: [rom_9.0]
[ro.vivo.rom.style]: [vigour]
[ro.vivo.rom.version]: [rom_9.0]
[ro.vivo.software.compat3app]: [1]
...
参考资料:
《Android获取操作系统名称》
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