import android.os.Environment; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.util.Collection; import java.util.Enumeration; import java.util.Map.Entry; import java.util.Properties; import java.util.Set; public class BuildProperties { private final Properties properties; private BuildProperties() throws IOException {
properties = new Properties();
properties.load(new FileInputStream(new File(Environment.getRootDirectory(), "build.prop")));
} public boolean containsKey(final Object key) { return properties.containsKey(key);
} public boolean containsValue(final Object value) { return properties.containsValue(value);
} public Set> entrySet() { return properties.entrySet();
} public String getProperty(final String name) { return properties.getProperty(name);
} public String getProperty(final String name, final String defaultValue) { return properties.getProperty(name, defaultValue);
} public boolean isEmpty() { return properties.isEmpty();
} public Enumerationkeys() { return properties.keys();
} public SetkeySet() { return properties.keySet();
} public int size() { return properties.size();
} public Collectionvalues() { return properties.values();
} public static BuildProperties newInstance() throws IOException { return new BuildProperties();
}
} import android.os.Build; import java.io.IOException; import java.lang.reflect.Method; /**
* 判断系统是否是miui，flyme，emui
*/ public class OSUtils { private static final String KEY_EMUI_VERSION_CODE = "ro.build.version.emui"; private static final String KEY_MIUI_VERSION_CODE = "ro.miui.ui.version.code"; private static final String KEY_MIUI_VERSION_NAME = "ro.miui.ui.version.name"; private static final String KEY_MIUI_INTERNAL_STORAGE = "ro.miui.internal.storage"; private static boolean isPropertiesExist(String... keys) { try {
BuildProperties prop = BuildProperties.newInstance(); for (String key : keys) {
String str = prop.getProperty(key); if (str == null) return false;
} return true;
} catch (IOException e) { return false;
}
} public static boolean isEMUI() { return isPropertiesExist(KEY_EMUI_VERSION_CODE);
} public static boolean isMIUI() { return isPropertiesExist(KEY_MIUI_VERSION_CODE, KEY_MIUI_VERSION_NAME, KEY_MIUI_INTERNAL_STORAGE);
} public static boolean isFlyme() { try { final Method method = Build.class.getMethod("hasSmartBar"); return method != null;
} catch (final Exception e) { return false;
}
}
}